From 1a8eea901b727011c0e8fce4872c18727297c480 Mon Sep 17 00:00:00 2001
From: Erik Van Kelst <4levels@gmail.com>
Date: Thu, 15 Mar 2018 13:03:49 +0100
Subject: [PATCH 1/2] Added Relay features from obsolete "feature/relay" branch
as suggested in issue #284
---
.../GraphQL/Relay/ConnectionEdgeType.php | 26 +++
.../Relay/Console/ConnectionMakeCommand.php | 82 ++++++++
.../Relay/Console/InputMakeCommand.php | 82 ++++++++
.../Relay/Console/MutationMakeCommand.php | 82 ++++++++
.../GraphQL/Relay/Console/NodeMakeCommand.php | 82 ++++++++
.../Relay/Console/PayloadMakeCommand.php | 82 ++++++++
.../Relay/Console/stubs/connection.stub | 20 ++
.../GraphQL/Relay/Console/stubs/input.stub | 22 +++
.../GraphQL/Relay/Console/stubs/mutation.stub | 30 +++
.../GraphQL/Relay/Console/stubs/node.stub | 29 +++
.../GraphQL/Relay/Console/stubs/payload.stub | 22 +++
src/Folklore/GraphQL/Relay/EdgeObjectType.php | 29 +++
.../GraphQL/Relay/EdgesCollection.php | 64 ++++++
.../GraphQL/Relay/Exception/NodeInvalid.php | 7 +
.../Relay/Exception/NodeRootInvalid.php | 7 +
.../GraphQL/Relay/MutationResponse.php | 35 ++++
src/Folklore/GraphQL/Relay/NodeIdField.php | 49 +++++
src/Folklore/GraphQL/Relay/NodeInterface.php | 32 +++
src/Folklore/GraphQL/Relay/NodeQuery.php | 61 ++++++
src/Folklore/GraphQL/Relay/NodeResponse.php | 33 ++++
src/Folklore/GraphQL/Relay/PageInfoType.php | 33 ++++
src/Folklore/GraphQL/Relay/Relay.php | 74 +++++++
.../Relay/Relay/ConnectionEdgeType.php | 26 +++
.../Relay/Console/ConnectionMakeCommand.php | 82 ++++++++
.../Relay/Relay/Console/InputMakeCommand.php | 82 ++++++++
.../Relay/Console/MutationMakeCommand.php | 82 ++++++++
.../Relay/Relay/Console/NodeMakeCommand.php | 82 ++++++++
.../Relay/Console/PayloadMakeCommand.php | 82 ++++++++
.../Relay/Relay/Console/stubs/connection.stub | 20 ++
.../Relay/Relay/Console/stubs/input.stub | 22 +++
.../Relay/Relay/Console/stubs/mutation.stub | 30 +++
.../Relay/Relay/Console/stubs/node.stub | 29 +++
.../Relay/Relay/Console/stubs/payload.stub | 22 +++
.../GraphQL/Relay/Relay/EdgeObjectType.php | 29 +++
.../GraphQL/Relay/Relay/EdgesCollection.php | 64 ++++++
.../Relay/Relay/Exception/NodeInvalid.php | 7 +
.../Relay/Relay/Exception/NodeRootInvalid.php | 7 +
.../GraphQL/Relay/Relay/MutationResponse.php | 35 ++++
.../GraphQL/Relay/Relay/NodeIdField.php | 49 +++++
.../GraphQL/Relay/Relay/NodeInterface.php | 32 +++
.../GraphQL/Relay/Relay/NodeQuery.php | 61 ++++++
.../GraphQL/Relay/Relay/NodeResponse.php | 33 ++++
.../GraphQL/Relay/Relay/PageInfoType.php | 33 ++++
src/Folklore/GraphQL/Relay/Relay/Relay.php | 74 +++++++
.../GraphQL/Relay/Relay/ServiceProvider.php | 187 ++++++++++++++++++
.../Relay/Relay/Support/ConnectionField.php | 13 ++
.../Relay/Relay/Support/ConnectionType.php | 165 ++++++++++++++++
.../Relay/Relay/Support/Facades/Relay.php | 16 ++
.../GraphQL/Relay/Relay/Support/InputType.php | 13 ++
.../GraphQL/Relay/Relay/Support/Mutation.php | 64 ++++++
.../Relay/Relay/Support/NodeContract.php | 8 +
.../GraphQL/Relay/Relay/Support/NodeType.php | 11 ++
.../Relay/Relay/Support/PayloadType.php | 11 ++
.../Support/Traits/FieldIsConnection.php | 39 ++++
.../Traits/HasClientMutationIdField.php | 21 ++
.../Traits/ResolvesFromQueryBuilder.php | 151 ++++++++++++++
.../Relay/Relay/Support/Traits/TypeIsNode.php | 59 ++++++
.../GraphQL/Relay/ServiceProvider.php | 187 ++++++++++++++++++
.../GraphQL/Relay/Support/ConnectionField.php | 13 ++
.../GraphQL/Relay/Support/ConnectionType.php | 165 ++++++++++++++++
.../GraphQL/Relay/Support/Facades/Relay.php | 16 ++
.../GraphQL/Relay/Support/InputType.php | 13 ++
.../GraphQL/Relay/Support/Mutation.php | 64 ++++++
.../GraphQL/Relay/Support/NodeContract.php | 8 +
.../GraphQL/Relay/Support/NodeType.php | 11 ++
.../GraphQL/Relay/Support/PayloadType.php | 11 ++
.../Support/Traits/FieldIsConnection.php | 39 ++++
.../Traits/HasClientMutationIdField.php | 21 ++
.../Traits/ResolvesFromQueryBuilder.php | 160 +++++++++++++++
.../Relay/Support/Traits/TypeIsNode.php | 59 ++++++
70 files changed, 3491 insertions(+)
create mode 100644 src/Folklore/GraphQL/Relay/ConnectionEdgeType.php
create mode 100644 src/Folklore/GraphQL/Relay/Console/ConnectionMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Console/InputMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Console/MutationMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Console/NodeMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Console/PayloadMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Console/stubs/connection.stub
create mode 100644 src/Folklore/GraphQL/Relay/Console/stubs/input.stub
create mode 100644 src/Folklore/GraphQL/Relay/Console/stubs/mutation.stub
create mode 100644 src/Folklore/GraphQL/Relay/Console/stubs/node.stub
create mode 100644 src/Folklore/GraphQL/Relay/Console/stubs/payload.stub
create mode 100644 src/Folklore/GraphQL/Relay/EdgeObjectType.php
create mode 100644 src/Folklore/GraphQL/Relay/EdgesCollection.php
create mode 100644 src/Folklore/GraphQL/Relay/Exception/NodeInvalid.php
create mode 100644 src/Folklore/GraphQL/Relay/Exception/NodeRootInvalid.php
create mode 100644 src/Folklore/GraphQL/Relay/MutationResponse.php
create mode 100644 src/Folklore/GraphQL/Relay/NodeIdField.php
create mode 100644 src/Folklore/GraphQL/Relay/NodeInterface.php
create mode 100644 src/Folklore/GraphQL/Relay/NodeQuery.php
create mode 100644 src/Folklore/GraphQL/Relay/NodeResponse.php
create mode 100644 src/Folklore/GraphQL/Relay/PageInfoType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/ConnectionEdgeType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/ConnectionMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/InputMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/MutationMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/NodeMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/PayloadMakeCommand.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/stubs/connection.stub
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/stubs/input.stub
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/stubs/mutation.stub
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/stubs/node.stub
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Console/stubs/payload.stub
create mode 100644 src/Folklore/GraphQL/Relay/Relay/EdgeObjectType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/EdgesCollection.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Exception/NodeInvalid.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Exception/NodeRootInvalid.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/MutationResponse.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/NodeIdField.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/NodeInterface.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/NodeQuery.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/NodeResponse.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/PageInfoType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Relay.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/ServiceProvider.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/ConnectionField.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/ConnectionType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/Facades/Relay.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/InputType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/Mutation.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/NodeContract.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/NodeType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/PayloadType.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/Traits/FieldIsConnection.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/Traits/HasClientMutationIdField.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/Traits/ResolvesFromQueryBuilder.php
create mode 100644 src/Folklore/GraphQL/Relay/Relay/Support/Traits/TypeIsNode.php
create mode 100644 src/Folklore/GraphQL/Relay/ServiceProvider.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/ConnectionField.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/ConnectionType.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/Facades/Relay.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/InputType.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/Mutation.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/NodeContract.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/NodeType.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/PayloadType.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/Traits/FieldIsConnection.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/Traits/HasClientMutationIdField.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php
create mode 100644 src/Folklore/GraphQL/Relay/Support/Traits/TypeIsNode.php
diff --git a/src/Folklore/GraphQL/Relay/ConnectionEdgeType.php b/src/Folklore/GraphQL/Relay/ConnectionEdgeType.php
new file mode 100644
index 00000000..70eb0bc3
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/ConnectionEdgeType.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\Type as BaseType;
+
+class ConnectionEdgeType extends BaseType
+{
+ public function fields()
+ {
+ return [
+ 'cursor' => [
+ 'type' => Type::nonNull(Type::id())
+ ],
+ 'node' => [
+ 'type' => app('graphql')->type('Node')
+ ]
+ ];
+ }
+
+ public function toType()
+ {
+ return new EdgeObjectType($this->toArray());
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/ConnectionMakeCommand.php b/src/Folklore/GraphQL/Relay/Console/ConnectionMakeCommand.php
new file mode 100644
index 00000000..eacb844b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/ConnectionMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class ConnectionMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:connection {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay connection';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'ConnectionType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/connection.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyConnection',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/InputMakeCommand.php b/src/Folklore/GraphQL/Relay/Console/InputMakeCommand.php
new file mode 100644
index 00000000..00ac452b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/InputMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class InputMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:input {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay mutation input class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'InputType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/input.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyInput',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/MutationMakeCommand.php b/src/Folklore/GraphQL/Relay/Console/MutationMakeCommand.php
new file mode 100644
index 00000000..8d55d822
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/MutationMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class MutationMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:mutation {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay mutation class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'Mutation';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/mutation.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Mutation';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyMutation',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/NodeMakeCommand.php b/src/Folklore/GraphQL/Relay/Console/NodeMakeCommand.php
new file mode 100644
index 00000000..98b14a9b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/NodeMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class NodeMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:node {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay node class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'NodeType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/node.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyType',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/PayloadMakeCommand.php b/src/Folklore/GraphQL/Relay/Console/PayloadMakeCommand.php
new file mode 100644
index 00000000..52f8fc94
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/PayloadMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class PayloadMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:payload {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay mutation payload class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'PayloadType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/payload.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyPayload',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/stubs/connection.stub b/src/Folklore/GraphQL/Relay/Console/stubs/connection.stub
new file mode 100644
index 00000000..30664441
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/stubs/connection.stub
@@ -0,0 +1,20 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\ConnectionType as BaseConnectionType;
+use GraphQL;
+
+class DummyClass extends BaseConnectionType
+{
+ protected $attributes = [
+ 'name' => 'DummyConnection',
+ 'description' => 'A relay connection type'
+ ];
+
+ public function edgeType()
+ {
+ return null;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/stubs/input.stub b/src/Folklore/GraphQL/Relay/Console/stubs/input.stub
new file mode 100644
index 00000000..0de8b90f
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/stubs/input.stub
@@ -0,0 +1,22 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\InputType as BaseInputType;
+use GraphQL;
+
+class DummyClass extends BaseInputType
+{
+ protected $attributes = [
+ 'name' => 'DummyInput',
+ 'description' => 'A relay mutation input type'
+ ];
+
+ public function fields()
+ {
+ return [
+
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/stubs/mutation.stub b/src/Folklore/GraphQL/Relay/Console/stubs/mutation.stub
new file mode 100644
index 00000000..a0276078
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/stubs/mutation.stub
@@ -0,0 +1,30 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\Mutation as BaseMutation;
+use GraphQL;
+
+class DummyClass extends BaseMutation
+{
+ protected $attributes = [
+ 'name' => 'DummyMutation',
+ 'description' => 'A relay mutation'
+ ];
+
+ protected function inputType()
+ {
+ return null;
+ }
+
+ public function type()
+ {
+ return null;
+ }
+
+ public function resolve($root, $args, $context, ResolveInfo $info)
+ {
+
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/stubs/node.stub b/src/Folklore/GraphQL/Relay/Console/stubs/node.stub
new file mode 100644
index 00000000..1dfce5c7
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/stubs/node.stub
@@ -0,0 +1,29 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\NodeType as BaseNodeType;
+use GraphQL;
+
+class DummyClass extends BaseNodeType
+{
+ protected $attributes = [
+ 'name' => 'DummyType',
+ 'description' => 'A relay node type'
+ ];
+
+ public function fields()
+ {
+ return [
+ 'id' => [
+ 'type' => Type::nonNull(Type::id())
+ ]
+ ];
+ }
+
+ public function resolveById($id)
+ {
+ // Get a node from an id
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Console/stubs/payload.stub b/src/Folklore/GraphQL/Relay/Console/stubs/payload.stub
new file mode 100644
index 00000000..d98d7dc2
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Console/stubs/payload.stub
@@ -0,0 +1,22 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\PayloadType as BasePayloadType;
+use GraphQL;
+
+class DummyClass extends BasePayloadType
+{
+ protected $attributes = [
+ 'name' => 'DummyPayload',
+ 'description' => 'A relay mutation payload type'
+ ];
+
+ public function fields()
+ {
+ return [
+
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/EdgeObjectType.php b/src/Folklore/GraphQL/Relay/EdgeObjectType.php
new file mode 100644
index 00000000..a09a079a
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/EdgeObjectType.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\ObjectType;
+use Folklore\GraphQL\Support\Type as BaseType;
+use Closure;
+
+class EdgeObjectType extends ObjectType
+{
+ public function setEdgeType($type)
+ {
+ $this->_fields = null;
+ $currentFields = array_get($this->config, 'fields');
+ $fieldsResolver = function () use ($currentFields, $type) {
+ $fields = $currentFields instanceof Closure ? $currentFields():$currentFields;
+ array_set($fields, 'node.type', $type);
+ return $fields;
+ };
+ array_set($this->config, 'fields', $fieldsResolver);
+
+ return $this;
+ }
+
+ public function getEdgeType()
+ {
+ return array_get($this->getField('node')->config, 'type');
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/EdgesCollection.php b/src/Folklore/GraphQL/Relay/EdgesCollection.php
new file mode 100644
index 00000000..ad4282b5
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/EdgesCollection.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Illuminate\Database\Eloquent\Collection;
+
+class EdgesCollection extends Collection
+{
+ protected $total = 0;
+ protected $startCursor = null;
+ protected $endCursor = null;
+ protected $hasNextPage = false;
+ protected $hasPreviousPage = false;
+
+ public function setTotal($total)
+ {
+ $this->total = $total;
+ }
+
+ public function getTotal()
+ {
+ return $this->total;
+ }
+
+ public function setHasNextPage($hasNextPage)
+ {
+ $this->hasNextPage = $hasNextPage;
+ }
+
+ public function getHasNextPage()
+ {
+ return $this->hasNextPage;
+ }
+
+ public function setHasPreviousPage($hasPreviousPage)
+ {
+ $this->hasPreviousPage = $hasPreviousPage;
+ }
+
+ public function getHasPreviousPage()
+ {
+ return $this->hasPreviousPage;
+ }
+
+ public function setStartCursor($startCursor)
+ {
+ $this->startCursor = $startCursor;
+ }
+
+ public function getStartCursor()
+ {
+ return $this->startCursor;
+ }
+
+ public function setEndCursor($endCursor)
+ {
+ $this->endCursor = $endCursor;
+ }
+
+ public function getEndCursor()
+ {
+ return $this->endCursor;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Exception/NodeInvalid.php b/src/Folklore/GraphQL/Relay/Exception/NodeInvalid.php
new file mode 100644
index 00000000..ed6b41fa
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Exception/NodeInvalid.php
@@ -0,0 +1,7 @@
+<?php namespace Folklore\GraphQL\Relay\Exception;
+
+use Exception;
+
+class NodeInvalid extends Exception
+{
+}
diff --git a/src/Folklore/GraphQL/Relay/Exception/NodeRootInvalid.php b/src/Folklore/GraphQL/Relay/Exception/NodeRootInvalid.php
new file mode 100644
index 00000000..1f02c3c2
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Exception/NodeRootInvalid.php
@@ -0,0 +1,7 @@
+<?php namespace Folklore\GraphQL\Relay\Exception;
+
+use Exception;
+
+class NodeRootInvalid extends Exception
+{
+}
diff --git a/src/Folklore/GraphQL/Relay/MutationResponse.php b/src/Folklore/GraphQL/Relay/MutationResponse.php
new file mode 100644
index 00000000..8e2c3771
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/MutationResponse.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Illuminate\Support\Fluent;
+use Illuminate\Contracts\Support\Arrayable;
+
+class MutationResponse extends Fluent
+{
+ protected $clientMutationId;
+ protected $originalNode;
+
+ public function getOriginalNode()
+ {
+ return $this->originalNode;
+ }
+
+ public function setNode($node)
+ {
+ $this->originalNode = $node;
+ $this->attributes = $node instanceof Arrayable ? $node->toArray():(array)$node;
+ return $this;
+ }
+
+ public function setClientMutationId($clientMutationId)
+ {
+ $this->clientMutationId = $clientMutationId;
+ return $this;
+ }
+
+ public function getClientMutationId()
+ {
+ return $this->clientMutationId;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/NodeIdField.php b/src/Folklore/GraphQL/Relay/NodeIdField.php
new file mode 100644
index 00000000..aeda542b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/NodeIdField.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\Field as BaseField;
+
+class NodeIdField extends BaseField
+{
+ protected $idResolver;
+ protected $idType;
+
+ protected $attributes = [
+ 'description' => 'A relay node id field'
+ ];
+
+ public function type()
+ {
+ return Type::nonNull(Type::id());
+ }
+
+ public function setIdResolver($idResolver)
+ {
+ $this->idResolver = $idResolver;
+ return $this;
+ }
+
+ public function getIdResolver()
+ {
+ return $this->idResolver;
+ }
+
+ public function setIdType($idType)
+ {
+ $this->idType = $idType;
+ return $this;
+ }
+
+ public function getIdType()
+ {
+ return $this->idType;
+ }
+
+ public function resolve()
+ {
+ $id = call_user_func_array($this->idResolver, func_get_args());
+ return app('graphql.relay')->toGlobalId($this->idType, $id);
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/NodeInterface.php b/src/Folklore/GraphQL/Relay/NodeInterface.php
new file mode 100644
index 00000000..f602ee16
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/NodeInterface.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\InterfaceType as BaseInterfaceType;
+use Folklore\GraphQL\Relay\Exception\NodeRootInvalid;
+
+class NodeInterface extends BaseInterfaceType
+{
+ protected $attributes = [
+ 'name' => 'Node',
+ 'description' => 'The relay node interface'
+ ];
+
+ public function fields()
+ {
+ return [
+ 'id' => [
+ 'type' => Type::nonNull(Type::id())
+ ]
+ ];
+ }
+
+ protected function resolveType($root)
+ {
+ if (!$root instanceof NodeResponse) {
+ throw new NodeRootInvalid('$root is not a NodeResponse');
+ }
+ return $root->getType();
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/NodeQuery.php b/src/Folklore/GraphQL/Relay/NodeQuery.php
new file mode 100644
index 00000000..cc769e04
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/NodeQuery.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Folklore\GraphQL\Support\Query;
+use GraphQL\Type\Definition\ResolveInfo;
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Exception\TypeNotFound;
+use Folklore\GraphQL\Relay\Exception\NodeInvalid;
+
+use Folklore\GraphQL\Relay\Support\NodeContract;
+
+class NodeQuery extends Query
+{
+ protected $attributes = [
+ 'name' => 'NodeQuery',
+ 'description' => 'A query'
+ ];
+
+ public function type()
+ {
+ return app('graphql')->type('Node');
+ }
+
+ public function args()
+ {
+ return [
+ 'id' => [
+ 'name' => 'id',
+ 'type' => Type::nonNull(Type::id())
+ ]
+ ];
+ }
+
+ public function resolve($root, $args, $context, ResolveInfo $info)
+ {
+ $globalId = app('graphql.relay')->fromGlobalId($args['id']);
+ $typeName = $globalId['type'];
+ $id = $globalId['id'];
+ $types = app('graphql')->getTypes();
+ $typeClass = array_get($types, $typeName);
+
+ if (!$typeClass) {
+ throw new TypeNotFound('Type "'.$typeName.'" not found.');
+ }
+
+ $type = app($typeClass);
+
+ if (!$type instanceof NodeContract) {
+ throw new NodeInvalid('Type "'.$typeName.'" doesn\'t implement the NodeContract interface.');
+ }
+
+ $node = $type->resolveById($id);
+
+ $response = new NodeResponse();
+ $response->setNode($node);
+ $response->setType(app('graphql')->type($typeName));
+
+ return $response;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/NodeResponse.php b/src/Folklore/GraphQL/Relay/NodeResponse.php
new file mode 100644
index 00000000..9b1147b3
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/NodeResponse.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Illuminate\Support\Fluent;
+use Illuminate\Contracts\Support\Arrayable;
+
+class NodeResponse extends Fluent
+{
+ protected $type;
+ protected $originalNode;
+
+ public function getOriginalNode()
+ {
+ return $this->originalNode;
+ }
+
+ public function setNode($node)
+ {
+ $this->originalNode = $node;
+ $this->attributes = $node instanceof Arrayable ? $node->toArray():(array)$node;
+ }
+
+ public function setType($type)
+ {
+ $this->type = $type;
+ }
+
+ public function getType()
+ {
+ return $this->type;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/PageInfoType.php b/src/Folklore/GraphQL/Relay/PageInfoType.php
new file mode 100644
index 00000000..9f490ed4
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/PageInfoType.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\Type as BaseType;
+use GraphQL;
+
+class PageInfoType extends BaseType
+{
+ protected $attributes = [
+ 'name' => 'PageInfo',
+ 'description' => 'The relay pageInfo type used by connections'
+ ];
+
+ public function fields()
+ {
+ return [
+ 'hasNextPage' => [
+ 'type' => Type::nonNull(Type::boolean())
+ ],
+ 'hasPreviousPage' => [
+ 'type' => Type::nonNull(Type::boolean())
+ ],
+ 'startCursor' => [
+ 'type' => Type::string()
+ ],
+ 'endCursor' => [
+ 'type' => Type::string()
+ ]
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay.php b/src/Folklore/GraphQL/Relay/Relay.php
new file mode 100644
index 00000000..d720334e
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Folklore\GraphQL\Relay\Support\ConnectionField;
+use Folklore\GraphQL\Relay\Support\ConnectionType;
+
+class Relay
+{
+ protected $app;
+ protected $graphql;
+
+ public function __construct($app)
+ {
+ $this->app = $app;
+ $this->graphql = $app['graphql'];
+ }
+
+ public function connectionField($config = [])
+ {
+ $field = new ConnectionField($config);
+ return $field;
+ }
+
+ public function connectionFieldFromEdgeType($edgeType, $config = [])
+ {
+ $typeName = array_get($edgeType->config, 'name');
+ $connectionName = array_get($config, 'connectionTypeName', str_plural($typeName).'Connection');
+
+ $connectionType = new ConnectionType([
+ 'name' => $connectionName
+ ]);
+ $connectionType->setEdgeType($edgeType);
+ $this->graphql->addType($connectionType, $connectionName);
+
+ $fieldConfig = array_except($config, ['connectionTypeName']);
+ $field = new ConnectionField($fieldConfig);
+ $field->setType($this->graphql->type($connectionName));
+ return $field;
+ }
+
+ public function connectionFieldFromEdgeTypeAndQueryBuilder($edgeType, $queryBuilderResolver, $config = [])
+ {
+ $field = $this->connectionFieldFromEdgeType($edgeType, $config);
+ $field->setQueryBuilderResolver($queryBuilderResolver);
+ return $field;
+ }
+
+ public function toGlobalId($type, $id)
+ {
+ return base64_encode($type.':'.$id);
+ }
+
+ public function fromGlobalId($globalId)
+ {
+ $id = explode(':', base64_decode($globalId), 2);
+ return sizeof($id) === 2 ? [
+ 'type' => $id[0],
+ 'id' => $id[1]
+ ]:null;
+ }
+
+ public function getIdFromGlobalId($globalId)
+ {
+ $id = $this->fromGlobalId($globalId);
+ return $id ? $id['id']:null;
+ }
+
+ public function getTypeFromGlobalId($globalId)
+ {
+ $id = $this->fromGlobalId($globalId);
+ return $id ? $id['type']:null;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/ConnectionEdgeType.php b/src/Folklore/GraphQL/Relay/Relay/ConnectionEdgeType.php
new file mode 100644
index 00000000..70eb0bc3
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/ConnectionEdgeType.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\Type as BaseType;
+
+class ConnectionEdgeType extends BaseType
+{
+ public function fields()
+ {
+ return [
+ 'cursor' => [
+ 'type' => Type::nonNull(Type::id())
+ ],
+ 'node' => [
+ 'type' => app('graphql')->type('Node')
+ ]
+ ];
+ }
+
+ public function toType()
+ {
+ return new EdgeObjectType($this->toArray());
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/ConnectionMakeCommand.php b/src/Folklore/GraphQL/Relay/Relay/Console/ConnectionMakeCommand.php
new file mode 100644
index 00000000..eacb844b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/ConnectionMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class ConnectionMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:connection {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay connection';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'ConnectionType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/connection.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyConnection',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/InputMakeCommand.php b/src/Folklore/GraphQL/Relay/Relay/Console/InputMakeCommand.php
new file mode 100644
index 00000000..00ac452b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/InputMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class InputMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:input {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay mutation input class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'InputType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/input.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyInput',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/MutationMakeCommand.php b/src/Folklore/GraphQL/Relay/Relay/Console/MutationMakeCommand.php
new file mode 100644
index 00000000..8d55d822
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/MutationMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class MutationMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:mutation {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay mutation class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'Mutation';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/mutation.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Mutation';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyMutation',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/NodeMakeCommand.php b/src/Folklore/GraphQL/Relay/Relay/Console/NodeMakeCommand.php
new file mode 100644
index 00000000..98b14a9b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/NodeMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class NodeMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:node {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay node class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'NodeType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/node.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyType',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/PayloadMakeCommand.php b/src/Folklore/GraphQL/Relay/Relay/Console/PayloadMakeCommand.php
new file mode 100644
index 00000000..52f8fc94
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/PayloadMakeCommand.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Console;
+
+use Illuminate\Console\GeneratorCommand;
+
+class PayloadMakeCommand extends GeneratorCommand
+{
+ /**
+ * The name and signature of the console command.
+ *
+ * @var string
+ */
+ protected $signature = 'make:relay:payload {name}';
+
+ /**
+ * The console command description.
+ *
+ * @var string
+ */
+ protected $description = 'Create a new GraphQL Relay mutation payload class';
+
+ /**
+ * The type of class being generated.
+ *
+ * @var string
+ */
+ protected $type = 'PayloadType';
+
+ /**
+ * Get the stub file for the generator.
+ *
+ * @return string
+ */
+ protected function getStub()
+ {
+ return __DIR__.'/stubs/payload.stub';
+ }
+
+ /**
+ * Get the default namespace for the class.
+ *
+ * @param string $rootNamespace
+ * @return string
+ */
+ protected function getDefaultNamespace($rootNamespace)
+ {
+ return $rootNamespace.'\GraphQL\Type';
+ }
+
+ /**
+ * Build the class with the given name.
+ *
+ * @param string $name
+ * @return string
+ */
+ protected function buildClass($name)
+ {
+ $stub = parent::buildClass($name);
+
+ return $this->replaceType($stub, $name);
+ }
+
+ /**
+ * Replace the namespace for the given stub.
+ *
+ * @param string $stub
+ * @param string $name
+ * @return $this
+ */
+ protected function replaceType($stub, $name)
+ {
+ preg_match('/([^\\\]+)$/', $name, $matches);
+ $stub = str_replace(
+ 'DummyPayload',
+ $matches[1],
+ $stub
+ );
+
+ return $stub;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/stubs/connection.stub b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/connection.stub
new file mode 100644
index 00000000..67c261da
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/connection.stub
@@ -0,0 +1,20 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\ConnectionType as BaseConnectionType;
+use GraphQL;
+
+class DummyClass extends BaseConnectionType
+{
+ protected $attributes = [
+ 'name' => 'DummyConnection',
+ 'description' => 'A relay connection type'
+ ];
+
+ protected function edgeType()
+ {
+ return null;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/stubs/input.stub b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/input.stub
new file mode 100644
index 00000000..0de8b90f
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/input.stub
@@ -0,0 +1,22 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\InputType as BaseInputType;
+use GraphQL;
+
+class DummyClass extends BaseInputType
+{
+ protected $attributes = [
+ 'name' => 'DummyInput',
+ 'description' => 'A relay mutation input type'
+ ];
+
+ public function fields()
+ {
+ return [
+
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/stubs/mutation.stub b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/mutation.stub
new file mode 100644
index 00000000..a0276078
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/mutation.stub
@@ -0,0 +1,30 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\Mutation as BaseMutation;
+use GraphQL;
+
+class DummyClass extends BaseMutation
+{
+ protected $attributes = [
+ 'name' => 'DummyMutation',
+ 'description' => 'A relay mutation'
+ ];
+
+ protected function inputType()
+ {
+ return null;
+ }
+
+ public function type()
+ {
+ return null;
+ }
+
+ public function resolve($root, $args, $context, ResolveInfo $info)
+ {
+
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/stubs/node.stub b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/node.stub
new file mode 100644
index 00000000..1dfce5c7
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/node.stub
@@ -0,0 +1,29 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\NodeType as BaseNodeType;
+use GraphQL;
+
+class DummyClass extends BaseNodeType
+{
+ protected $attributes = [
+ 'name' => 'DummyType',
+ 'description' => 'A relay node type'
+ ];
+
+ public function fields()
+ {
+ return [
+ 'id' => [
+ 'type' => Type::nonNull(Type::id())
+ ]
+ ];
+ }
+
+ public function resolveById($id)
+ {
+ // Get a node from an id
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Console/stubs/payload.stub b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/payload.stub
new file mode 100644
index 00000000..d98d7dc2
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Console/stubs/payload.stub
@@ -0,0 +1,22 @@
+<?php
+
+namespace DummyNamespace;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Relay\Support\PayloadType as BasePayloadType;
+use GraphQL;
+
+class DummyClass extends BasePayloadType
+{
+ protected $attributes = [
+ 'name' => 'DummyPayload',
+ 'description' => 'A relay mutation payload type'
+ ];
+
+ public function fields()
+ {
+ return [
+
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/EdgeObjectType.php b/src/Folklore/GraphQL/Relay/Relay/EdgeObjectType.php
new file mode 100644
index 00000000..a09a079a
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/EdgeObjectType.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\ObjectType;
+use Folklore\GraphQL\Support\Type as BaseType;
+use Closure;
+
+class EdgeObjectType extends ObjectType
+{
+ public function setEdgeType($type)
+ {
+ $this->_fields = null;
+ $currentFields = array_get($this->config, 'fields');
+ $fieldsResolver = function () use ($currentFields, $type) {
+ $fields = $currentFields instanceof Closure ? $currentFields():$currentFields;
+ array_set($fields, 'node.type', $type);
+ return $fields;
+ };
+ array_set($this->config, 'fields', $fieldsResolver);
+
+ return $this;
+ }
+
+ public function getEdgeType()
+ {
+ return array_get($this->getField('node')->config, 'type');
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/EdgesCollection.php b/src/Folklore/GraphQL/Relay/Relay/EdgesCollection.php
new file mode 100644
index 00000000..ad4282b5
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/EdgesCollection.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Illuminate\Database\Eloquent\Collection;
+
+class EdgesCollection extends Collection
+{
+ protected $total = 0;
+ protected $startCursor = null;
+ protected $endCursor = null;
+ protected $hasNextPage = false;
+ protected $hasPreviousPage = false;
+
+ public function setTotal($total)
+ {
+ $this->total = $total;
+ }
+
+ public function getTotal()
+ {
+ return $this->total;
+ }
+
+ public function setHasNextPage($hasNextPage)
+ {
+ $this->hasNextPage = $hasNextPage;
+ }
+
+ public function getHasNextPage()
+ {
+ return $this->hasNextPage;
+ }
+
+ public function setHasPreviousPage($hasPreviousPage)
+ {
+ $this->hasPreviousPage = $hasPreviousPage;
+ }
+
+ public function getHasPreviousPage()
+ {
+ return $this->hasPreviousPage;
+ }
+
+ public function setStartCursor($startCursor)
+ {
+ $this->startCursor = $startCursor;
+ }
+
+ public function getStartCursor()
+ {
+ return $this->startCursor;
+ }
+
+ public function setEndCursor($endCursor)
+ {
+ $this->endCursor = $endCursor;
+ }
+
+ public function getEndCursor()
+ {
+ return $this->endCursor;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Exception/NodeInvalid.php b/src/Folklore/GraphQL/Relay/Relay/Exception/NodeInvalid.php
new file mode 100644
index 00000000..ed6b41fa
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Exception/NodeInvalid.php
@@ -0,0 +1,7 @@
+<?php namespace Folklore\GraphQL\Relay\Exception;
+
+use Exception;
+
+class NodeInvalid extends Exception
+{
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Exception/NodeRootInvalid.php b/src/Folklore/GraphQL/Relay/Relay/Exception/NodeRootInvalid.php
new file mode 100644
index 00000000..1f02c3c2
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Exception/NodeRootInvalid.php
@@ -0,0 +1,7 @@
+<?php namespace Folklore\GraphQL\Relay\Exception;
+
+use Exception;
+
+class NodeRootInvalid extends Exception
+{
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/MutationResponse.php b/src/Folklore/GraphQL/Relay/Relay/MutationResponse.php
new file mode 100644
index 00000000..8e2c3771
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/MutationResponse.php
@@ -0,0 +1,35 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Illuminate\Support\Fluent;
+use Illuminate\Contracts\Support\Arrayable;
+
+class MutationResponse extends Fluent
+{
+ protected $clientMutationId;
+ protected $originalNode;
+
+ public function getOriginalNode()
+ {
+ return $this->originalNode;
+ }
+
+ public function setNode($node)
+ {
+ $this->originalNode = $node;
+ $this->attributes = $node instanceof Arrayable ? $node->toArray():(array)$node;
+ return $this;
+ }
+
+ public function setClientMutationId($clientMutationId)
+ {
+ $this->clientMutationId = $clientMutationId;
+ return $this;
+ }
+
+ public function getClientMutationId()
+ {
+ return $this->clientMutationId;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/NodeIdField.php b/src/Folklore/GraphQL/Relay/Relay/NodeIdField.php
new file mode 100644
index 00000000..aeda542b
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/NodeIdField.php
@@ -0,0 +1,49 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\Field as BaseField;
+
+class NodeIdField extends BaseField
+{
+ protected $idResolver;
+ protected $idType;
+
+ protected $attributes = [
+ 'description' => 'A relay node id field'
+ ];
+
+ public function type()
+ {
+ return Type::nonNull(Type::id());
+ }
+
+ public function setIdResolver($idResolver)
+ {
+ $this->idResolver = $idResolver;
+ return $this;
+ }
+
+ public function getIdResolver()
+ {
+ return $this->idResolver;
+ }
+
+ public function setIdType($idType)
+ {
+ $this->idType = $idType;
+ return $this;
+ }
+
+ public function getIdType()
+ {
+ return $this->idType;
+ }
+
+ public function resolve()
+ {
+ $id = call_user_func_array($this->idResolver, func_get_args());
+ return app('graphql.relay')->toGlobalId($this->idType, $id);
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/NodeInterface.php b/src/Folklore/GraphQL/Relay/Relay/NodeInterface.php
new file mode 100644
index 00000000..f602ee16
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/NodeInterface.php
@@ -0,0 +1,32 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\InterfaceType as BaseInterfaceType;
+use Folklore\GraphQL\Relay\Exception\NodeRootInvalid;
+
+class NodeInterface extends BaseInterfaceType
+{
+ protected $attributes = [
+ 'name' => 'Node',
+ 'description' => 'The relay node interface'
+ ];
+
+ public function fields()
+ {
+ return [
+ 'id' => [
+ 'type' => Type::nonNull(Type::id())
+ ]
+ ];
+ }
+
+ protected function resolveType($root)
+ {
+ if (!$root instanceof NodeResponse) {
+ throw new NodeRootInvalid('$root is not a NodeResponse');
+ }
+ return $root->getType();
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/NodeQuery.php b/src/Folklore/GraphQL/Relay/Relay/NodeQuery.php
new file mode 100644
index 00000000..cc769e04
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/NodeQuery.php
@@ -0,0 +1,61 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Folklore\GraphQL\Support\Query;
+use GraphQL\Type\Definition\ResolveInfo;
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Exception\TypeNotFound;
+use Folklore\GraphQL\Relay\Exception\NodeInvalid;
+
+use Folklore\GraphQL\Relay\Support\NodeContract;
+
+class NodeQuery extends Query
+{
+ protected $attributes = [
+ 'name' => 'NodeQuery',
+ 'description' => 'A query'
+ ];
+
+ public function type()
+ {
+ return app('graphql')->type('Node');
+ }
+
+ public function args()
+ {
+ return [
+ 'id' => [
+ 'name' => 'id',
+ 'type' => Type::nonNull(Type::id())
+ ]
+ ];
+ }
+
+ public function resolve($root, $args, $context, ResolveInfo $info)
+ {
+ $globalId = app('graphql.relay')->fromGlobalId($args['id']);
+ $typeName = $globalId['type'];
+ $id = $globalId['id'];
+ $types = app('graphql')->getTypes();
+ $typeClass = array_get($types, $typeName);
+
+ if (!$typeClass) {
+ throw new TypeNotFound('Type "'.$typeName.'" not found.');
+ }
+
+ $type = app($typeClass);
+
+ if (!$type instanceof NodeContract) {
+ throw new NodeInvalid('Type "'.$typeName.'" doesn\'t implement the NodeContract interface.');
+ }
+
+ $node = $type->resolveById($id);
+
+ $response = new NodeResponse();
+ $response->setNode($node);
+ $response->setType(app('graphql')->type($typeName));
+
+ return $response;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/NodeResponse.php b/src/Folklore/GraphQL/Relay/Relay/NodeResponse.php
new file mode 100644
index 00000000..9b1147b3
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/NodeResponse.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Illuminate\Support\Fluent;
+use Illuminate\Contracts\Support\Arrayable;
+
+class NodeResponse extends Fluent
+{
+ protected $type;
+ protected $originalNode;
+
+ public function getOriginalNode()
+ {
+ return $this->originalNode;
+ }
+
+ public function setNode($node)
+ {
+ $this->originalNode = $node;
+ $this->attributes = $node instanceof Arrayable ? $node->toArray():(array)$node;
+ }
+
+ public function setType($type)
+ {
+ $this->type = $type;
+ }
+
+ public function getType()
+ {
+ return $this->type;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/PageInfoType.php b/src/Folklore/GraphQL/Relay/Relay/PageInfoType.php
new file mode 100644
index 00000000..9f490ed4
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/PageInfoType.php
@@ -0,0 +1,33 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Type\Definition\Type;
+use Folklore\GraphQL\Support\Type as BaseType;
+use GraphQL;
+
+class PageInfoType extends BaseType
+{
+ protected $attributes = [
+ 'name' => 'PageInfo',
+ 'description' => 'The relay pageInfo type used by connections'
+ ];
+
+ public function fields()
+ {
+ return [
+ 'hasNextPage' => [
+ 'type' => Type::nonNull(Type::boolean())
+ ],
+ 'hasPreviousPage' => [
+ 'type' => Type::nonNull(Type::boolean())
+ ],
+ 'startCursor' => [
+ 'type' => Type::string()
+ ],
+ 'endCursor' => [
+ 'type' => Type::string()
+ ]
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Relay.php b/src/Folklore/GraphQL/Relay/Relay/Relay.php
new file mode 100644
index 00000000..d720334e
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Relay.php
@@ -0,0 +1,74 @@
+<?php
+
+namespace Folklore\GraphQL\Relay;
+
+use Folklore\GraphQL\Relay\Support\ConnectionField;
+use Folklore\GraphQL\Relay\Support\ConnectionType;
+
+class Relay
+{
+ protected $app;
+ protected $graphql;
+
+ public function __construct($app)
+ {
+ $this->app = $app;
+ $this->graphql = $app['graphql'];
+ }
+
+ public function connectionField($config = [])
+ {
+ $field = new ConnectionField($config);
+ return $field;
+ }
+
+ public function connectionFieldFromEdgeType($edgeType, $config = [])
+ {
+ $typeName = array_get($edgeType->config, 'name');
+ $connectionName = array_get($config, 'connectionTypeName', str_plural($typeName).'Connection');
+
+ $connectionType = new ConnectionType([
+ 'name' => $connectionName
+ ]);
+ $connectionType->setEdgeType($edgeType);
+ $this->graphql->addType($connectionType, $connectionName);
+
+ $fieldConfig = array_except($config, ['connectionTypeName']);
+ $field = new ConnectionField($fieldConfig);
+ $field->setType($this->graphql->type($connectionName));
+ return $field;
+ }
+
+ public function connectionFieldFromEdgeTypeAndQueryBuilder($edgeType, $queryBuilderResolver, $config = [])
+ {
+ $field = $this->connectionFieldFromEdgeType($edgeType, $config);
+ $field->setQueryBuilderResolver($queryBuilderResolver);
+ return $field;
+ }
+
+ public function toGlobalId($type, $id)
+ {
+ return base64_encode($type.':'.$id);
+ }
+
+ public function fromGlobalId($globalId)
+ {
+ $id = explode(':', base64_decode($globalId), 2);
+ return sizeof($id) === 2 ? [
+ 'type' => $id[0],
+ 'id' => $id[1]
+ ]:null;
+ }
+
+ public function getIdFromGlobalId($globalId)
+ {
+ $id = $this->fromGlobalId($globalId);
+ return $id ? $id['id']:null;
+ }
+
+ public function getTypeFromGlobalId($globalId)
+ {
+ $id = $this->fromGlobalId($globalId);
+ return $id ? $id['type']:null;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/ServiceProvider.php b/src/Folklore/GraphQL/Relay/Relay/ServiceProvider.php
new file mode 100644
index 00000000..718314aa
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/ServiceProvider.php
@@ -0,0 +1,187 @@
+<?php namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Validator\DocumentValidator;
+use Illuminate\Support\ServiceProvider as BaseServiceProvider;
+
+class ServiceProvider extends BaseServiceProvider
+{
+ /**
+ * Bootstrap any application services.
+ *
+ * @return void
+ */
+ public function boot()
+ {
+ $this->bootTypes();
+
+ $this->bootSchemas();
+ }
+
+ /**
+ * Add schemas from config
+ *
+ * @return void
+ */
+ protected function bootSchemas()
+ {
+ $query = config('graphql.relay.query', []);
+ $schemas = config('graphql.relay.schemas');
+ if ($schemas === null) {
+ return null;
+ } elseif ($schemas === '*') {
+ $schemas = array_keys(config('graphql.schemas', []));
+ } else {
+ $schemas = (array)$schemas;
+ }
+
+ $allSchemas = $this->app['graphql']->getSchemas();
+ foreach ($allSchemas as $name => $schema) {
+ if (!in_array($name, $schemas)) {
+ continue;
+ }
+ $schema['query'] = array_merge($schema['query'], $query);
+ $this->app['graphql']->addSchema($name, $schema);
+ }
+ }
+
+ /**
+ * Add types from config
+ *
+ * @return void
+ */
+ protected function bootTypes()
+ {
+ $types = config('graphql.relay.types');
+ if (is_array($types)) {
+ $this->app['graphql']->addTypes($types);
+ }
+ }
+
+ /**
+ * Register any application services.
+ *
+ * @return void
+ */
+ public function register()
+ {
+ $this->registerRelay();
+
+ $this->registerCommands();
+ }
+
+ /**
+ * Register Relay facade
+ *
+ * @return void
+ */
+ public function registerRelay()
+ {
+ $this->app->singleton('graphql.relay', function ($app) {
+ $relay = new Relay($app);
+ return $relay;
+ });
+ }
+
+ /**
+ * Register console commands
+ *
+ * @return void
+ */
+ public function registerCommands()
+ {
+ $commands = [
+ 'MakeNode', 'MakeMutation', 'MakeInput', 'MakePayload', 'MakeConnection'
+ ];
+
+ // We'll simply spin through the list of commands that are migration related
+ // and register each one of them with an application container. They will
+ // be resolved in the Artisan start file and registered on the console.
+ foreach ($commands as $command) {
+ $this->{'register'.$command.'Command'}();
+ }
+
+ $this->commands(
+ 'command.relay.make.node',
+ 'command.relay.make.mutation',
+ 'command.relay.make.input',
+ 'command.relay.make.payload',
+ 'command.relay.make.connection'
+ );
+ }
+
+ /**
+ * Register the "make:graphql:node" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeNodeCommand()
+ {
+ $this->app->singleton('command.relay.make.node', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\NodeMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:mutation" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeMutationCommand()
+ {
+ $this->app->singleton('command.relay.make.mutation', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\MutationMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:input" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeInputCommand()
+ {
+ $this->app->singleton('command.relay.make.input', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\InputMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:payload" migration command.
+ *
+ * @return void
+ */
+ public function registerMakePayloadCommand()
+ {
+ $this->app->singleton('command.relay.make.payload', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\PayloadMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:payload" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeConnectionCommand()
+ {
+ $this->app->singleton('command.relay.make.connection', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\ConnectionMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Get the services provided by the provider.
+ *
+ * @return array
+ */
+ public function provides()
+ {
+ return [
+ 'graphql.relay',
+ 'command.relay.make.node',
+ 'command.relay.make.input',
+ 'command.relay.make.payload',
+ 'command.relay.make.connection'
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/ConnectionField.php b/src/Folklore/GraphQL/Relay/Relay/Support/ConnectionField.php
new file mode 100644
index 00000000..9e911179
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/ConnectionField.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Field as BaseField;
+use Folklore\GraphQL\Relay\Support\Traits\FieldIsConnection;
+use Folklore\GraphQL\Relay\Support\Traits\ResolvesFromQueryBuilder;
+use GraphQL;
+
+class ConnectionField extends BaseField
+{
+ use FieldIsConnection, ResolvesFromQueryBuilder;
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/ConnectionType.php b/src/Folklore/GraphQL/Relay/Relay/Support/ConnectionType.php
new file mode 100644
index 00000000..e4362aa2
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/ConnectionType.php
@@ -0,0 +1,165 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use GraphQL\Type\Definition\Type;
+use GraphQL\Type\Definition\InterfaceType;
+use Folklore\GraphQL\Support\Type as BaseType;
+
+use Folklore\GraphQL\Relay\EdgesCollection;
+use Illuminate\Pagination\AbstractPaginator;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+class ConnectionType extends BaseType
+{
+ protected $edgeType;
+
+ protected function edgeType()
+ {
+ return null;
+ }
+
+ public function fields()
+ {
+ return [
+ 'total' => [
+ 'type' => Type::int(),
+ 'resolve' => function ($root) {
+ return $this->getTotalFromRoot($root);
+ }
+ ],
+ 'edges' => [
+ 'type' => Type::listOf($this->getEdgeObjectType()),
+ 'resolve' => function ($root) {
+ return $this->getEdgesFromRoot($root);
+ }
+ ],
+ 'pageInfo' => [
+ 'type' => app('graphql')->type('PageInfo'),
+ 'resolve' => function ($root) {
+ return $this->getPageInfoFromRoot($root);
+ }
+ ]
+ ];
+ }
+
+ public function getEdgeType()
+ {
+ $edgeType = $this->edgeType();
+ return $edgeType ? $edgeType:$this->edgeType;
+ }
+
+ public function setEdgeType($edgeType)
+ {
+ $this->edgeType = $edgeType;
+ return $this;
+ }
+
+ protected function getEdgeObjectType()
+ {
+ $edgeType = $this->getEdgeType();
+ $name = $edgeType->config['name'].'Edge';
+ app('graphql')->addType(\Folklore\GraphQL\Relay\ConnectionEdgeType::class, $name);
+ $type = app('graphql')->type($name);
+ $type->setEdgeType($edgeType);
+ return $type;
+ }
+
+ protected function getCursorFromNode($edge)
+ {
+ $edgeType = $this->getEdgeType();
+ if ($edgeType instanceof InterfaceType) {
+ $edgeType = $edgeType->config['resolveType']($edge);
+ }
+ $resolveId = $edgeType->getField('id')->resolveFn;
+ return $resolveId($edge);
+ }
+
+ protected function getTotalFromRoot($root)
+ {
+ $total = 0;
+ if ($root instanceof EdgesCollection) {
+ $total = $root->getTotal();
+ }
+ return $total;
+ }
+
+
+ protected function getEdgesFromRoot($root)
+ {
+ $cursor = $this->getStartCursorFromRoot($root);
+ $edges = [];
+ foreach ($root as $item) {
+ $edges[] = [
+ 'cursor' => $cursor !== null ? $cursor:$this->getCursorFromNode($item),
+ 'node' => $item
+ ];
+ if ($cursor !== null) {
+ $cursor++;
+ }
+ }
+ return $edges;
+ }
+
+ protected function getHasPreviousPageFromRoot($root)
+ {
+ $hasPreviousPage = false;
+ if ($root instanceof LengthAwarePaginator) {
+ $hasPreviousPage = !$root->onFirstPage();
+ } elseif ($root instanceof AbstractPaginator) {
+ $hasPreviousPage = !$root->onFirstPage();
+ } elseif ($root instanceof EdgesCollection) {
+ $hasPreviousPage = $root->getHasPreviousPage();
+ }
+
+ return $hasPreviousPage;
+ }
+
+ protected function getHasNextPageFromRoot($root)
+ {
+ $hasNextPage = false;
+ if ($root instanceof LengthAwarePaginator) {
+ $hasNextPage = $root->hasMorePages();
+ } elseif ($root instanceof EdgesCollection) {
+ $hasNextPage = $root->getHasNextPage();
+ }
+
+ return $hasNextPage;
+ }
+
+ protected function getStartCursorFromRoot($root)
+ {
+ $startCursor = null;
+ if ($root instanceof EdgesCollection) {
+ $startCursor = $root->getStartCursor();
+ }
+
+ return $startCursor;
+ }
+
+ protected function getEndCursorFromRoot($root)
+ {
+ $endCursor = null;
+ if ($root instanceof EdgesCollection) {
+ $endCursor = $root->getEndCursor();
+ }
+
+ return $endCursor;
+ }
+
+ protected function getPageInfoFromRoot($root)
+ {
+ $hasPreviousPage = $this->getHasPreviousPageFromRoot($root);
+ $hasNextPage = $this->getHasNextPageFromRoot($root);
+ $startCursor = $this->getStartCursorFromRoot($root);
+ $endCursor = $this->getEndCursorFromRoot($root);
+ $edges = $startCursor === null || $endCursor === null ? $this->getEdgesFromRoot($root):null;
+
+ return [
+ 'hasPreviousPage' => $hasPreviousPage,
+ 'hasNextPage' => $hasNextPage,
+ 'startCursor' => $startCursor !== null ? $startCursor:array_get($edges, '0.cursor'),
+ 'endCursor' => $endCursor !== null ? $endCursor:array_get($edges, (sizeof($edges)-1).'.cursor')
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/Facades/Relay.php b/src/Folklore/GraphQL/Relay/Relay/Support/Facades/Relay.php
new file mode 100644
index 00000000..fbfdbf6a
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/Facades/Relay.php
@@ -0,0 +1,16 @@
+<?php namespace Folklore\GraphQL\Relay\Support\Facades;
+
+use Illuminate\Support\Facades\Facade;
+
+class Relay extends Facade
+{
+ /**
+ * Get the registered name of the component.
+ *
+ * @return string
+ */
+ protected static function getFacadeAccessor()
+ {
+ return 'graphql.relay';
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/InputType.php b/src/Folklore/GraphQL/Relay/Relay/Support/InputType.php
new file mode 100644
index 00000000..171af7dd
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/InputType.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use GraphQL\Type\Definition\Type;
+
+use Folklore\GraphQL\Support\InputType as BaseInputType;
+use Folklore\GraphQL\Relay\Support\Traits\HasClientMutationIdField;
+
+class InputType extends BaseInputType
+{
+ use HasClientMutationIdField;
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/Mutation.php b/src/Folklore/GraphQL/Relay/Relay/Support/Mutation.php
new file mode 100644
index 00000000..2619ec81
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/Mutation.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Mutation as BaseMutation;
+use Folklore\GraphQL\Relay\MutationResponse;
+
+class Mutation extends BaseMutation
+{
+ protected $inputType;
+
+ protected function inputType()
+ {
+ return null;
+ }
+
+ public function getInputType()
+ {
+ $inputType = $this->inputType();
+ return $inputType ? $inputType:$this->inputType;
+ }
+
+ public function setInputType($inputType)
+ {
+ $this->inputType = $inputType;
+ }
+
+ public function args()
+ {
+ return [
+ 'input' => [
+ 'name' => 'input',
+ 'type' => $this->getInputType()
+ ]
+ ];
+ }
+
+ protected function getMutationResponse($response, $clientMutationId)
+ {
+ $mutationResponse = new MutationResponse();
+ $mutationResponse->setNode($response);
+ $mutationResponse->setClientMutationId($clientMutationId);
+
+ return $mutationResponse;
+ }
+
+ protected function resolveClientMutationId($root, $args)
+ {
+ return array_get($args, 'input.clientMutationId');
+ }
+
+ public function getResolver()
+ {
+ $resolver = parent::getResolver();
+
+ return function () use ($resolver) {
+ $args = func_get_args();
+ $response = call_user_func_array($resolver, $args);
+ $clientMutationId = call_user_func_array([$this, 'resolveClientMutationId'], $args);
+ $response = $this->getMutationResponse($response, $clientMutationId);
+ return $response;
+ };
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/NodeContract.php b/src/Folklore/GraphQL/Relay/Relay/Support/NodeContract.php
new file mode 100644
index 00000000..580fcd4c
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/NodeContract.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+interface NodeContract
+{
+ public function resolveById($id);
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/NodeType.php b/src/Folklore/GraphQL/Relay/Relay/Support/NodeType.php
new file mode 100644
index 00000000..fe213894
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/NodeType.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Type as BaseType;
+use Folklore\GraphQL\Relay\Support\Traits\TypeIsNode;
+
+abstract class NodeType extends BaseType implements NodeContract
+{
+ use TypeIsNode;
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/PayloadType.php b/src/Folklore/GraphQL/Relay/Relay/Support/PayloadType.php
new file mode 100644
index 00000000..925b364f
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/PayloadType.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Type as BaseType;
+use Folklore\GraphQL\Relay\Support\Traits\HasClientMutationIdField;
+
+class PayloadType extends BaseType
+{
+ use HasClientMutationIdField;
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/Traits/FieldIsConnection.php b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/FieldIsConnection.php
new file mode 100644
index 00000000..6866113e
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/FieldIsConnection.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use GraphQL\Type\Definition\Type;
+
+trait FieldIsConnection
+{
+ protected function connectionArgs()
+ {
+ return [
+ 'first' => [
+ 'name' => 'first',
+ 'type' => Type::int()
+ ],
+ 'last' => [
+ 'name' => 'last',
+ 'type' => Type::int()
+ ],
+ 'after' => [
+ 'name' => 'after',
+ 'type' => Type::string()
+ ],
+ 'before' => [
+ 'name' => 'before',
+ 'type' => Type::string()
+ ]
+ ];
+ }
+
+ public function getArgs()
+ {
+ $args = parent::getArgs();
+
+ $connectionArgs = $this->connectionArgs();
+
+ return array_merge($connectionArgs, $args);
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/Traits/HasClientMutationIdField.php b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/HasClientMutationIdField.php
new file mode 100644
index 00000000..1df513b9
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/HasClientMutationIdField.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use GraphQL;
+use Folklore\GraphQL\Relay\NodeIdField;
+use GraphQL\Type\Definition\Type;
+
+trait HasClientMutationIdField
+{
+ public function getFields()
+ {
+ $fields = parent::getFields();
+
+ $fields['clientMutationId'] = [
+ 'type' => Type::nonNull(Type::string())
+ ];
+
+ return $fields;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/Traits/ResolvesFromQueryBuilder.php b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/ResolvesFromQueryBuilder.php
new file mode 100644
index 00000000..2b61b5b8
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/ResolvesFromQueryBuilder.php
@@ -0,0 +1,151 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use GraphQL;
+use Relay;
+use Folklore\GraphQL\Relay\EdgesCollection;
+
+trait ResolvesFromQueryBuilder
+{
+ protected $queryBuilderResolver;
+
+ public function getQueryBuilderResolver()
+ {
+ return $this->queryBuilderResolver;
+ }
+
+ public function setQueryBuilderResolver($queryBuilderResolver)
+ {
+ $this->queryBuilderResolver = $queryBuilderResolver;
+ return $queryBuilderResolver;
+ }
+
+ protected function scopeAfter($query, $id)
+ {
+ $query->where('id', '>=', $id);
+ }
+
+ protected function scopeBefore($query, $id)
+ {
+ $query->where('id', '<=', $id);
+ }
+
+ protected function scopeFirst($query, $value)
+ {
+ $query->orderBy('id', 'ASC');
+ $query->take($value);
+ }
+
+ protected function scopeLast($query, $value)
+ {
+ $query->orderBy('id', 'DESC');
+ $query->take($value);
+ }
+
+ protected function getCountFromQuery($query)
+ {
+ $countQuery = clone $query;
+ if ($countQuery instanceof \Illuminate\Database\Eloquent\Relations\Relation) {
+ $countQuery->getBaseQuery()->orders = null;
+ } else if ($countQuery instanceof \Illuminate\Database\Eloquent\Builder) {
+ $countQuery->getQuery()->orders = null;
+ } else if( $countQuery instanceof \Illuminate\Database\Query\Builder) {
+ $countQuery->orders = null;
+ }
+ return $countQuery->count();
+ }
+
+ protected function resolveQueryBuilderFromRoot($root, $args)
+ {
+ if (method_exists($this, 'resolveQueryBuilder')) {
+ $queryBuilderResolver = [$this, 'resolveQueryBuilder'];
+ } else {
+ $queryBuilderResolver = $this->getQueryBuilderResolver();
+ }
+
+ if (!$queryBuilderResolver) {
+ return null;
+ }
+
+ $args = func_get_args();
+ return call_user_func_array($queryBuilderResolver, $args);
+ }
+
+ protected function resolveItemsFromQueryBuilder($query)
+ {
+ return $query->get();
+ }
+
+ protected function getCollectionFromItems($items, $offset, $limit, $total, $hasPreviousPage, $hasNextPage)
+ {
+ $collection = new EdgesCollection($items);
+ $collection->setTotal($total);
+ $collection->setStartCursor($offset);
+ $collection->setEndCursor($offset + $limit - 1);
+ $collection->setHasNextPage($hasNextPage);
+ $collection->setHasPreviousPage($hasPreviousPage);
+ return $collection;
+ }
+
+ public function resolve($root, $args)
+ {
+ // Get the query builder
+ $arguments = func_get_args();
+ $query = call_user_func_array([$this, 'resolveQueryBuilderFromRoot'], $arguments);
+
+ // If there is no query builder returned, try to use the parent resolve method.
+ if (!$query) {
+ if (method_exists('parent', 'resolve')) {
+ return call_user_func_array(['parent', 'resolve'], $arguments);
+ } else {
+ return null;
+ }
+ }
+
+ $after = array_get($args, 'after');
+ $before = array_get($args, 'before');
+ $first = array_get($args, 'first');
+ $last = array_get($args, 'last');
+
+ $count = $this->getCountFromQuery($query);
+ $offset = 0;
+ $limit = 0;
+
+ if ($first !== null) {
+ $limit = $first;
+ $offset = 0;
+ if ($after !== null) {
+ $offset = $after + 1;
+ }
+ if ($before !== null) {
+ $limit = min(max(0, $before - $offset), $limit);
+ }
+ } else if ($last !== null) {
+ $limit = $last;
+ $offset = $count - $limit;
+ if ($before !== null) {
+ $offset = max(0, $before - $limit);
+ $limit = min($before - $offset, $limit);
+ }
+ if ($after !== null) {
+ $d = max(0, $after + 1 - $offset);
+ $limit -= $d;
+ $offset += $d;
+ }
+ }
+ $offset = max(0, $offset);
+ $limit = min($count - $offset, $limit);
+
+ $query->skip($offset)->take($limit);
+
+ $hasNextPage = ($offset + $limit) < $count;
+ $hasPreviousPage = $offset > 0;
+
+ $resolveItemsArguments = array_merge([$query], $arguments);
+ $items = call_user_func_array([$this, 'resolveItemsFromQueryBuilder'], $resolveItemsArguments);
+ $collection = $this->getCollectionFromItems($items, $offset, $limit, $count, $hasPreviousPage, $hasNextPage);
+
+ return $collection;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Relay/Support/Traits/TypeIsNode.php b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/TypeIsNode.php
new file mode 100644
index 00000000..ce839e8a
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Relay/Support/Traits/TypeIsNode.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use Folklore\GraphQL\Relay\NodeIdField;
+
+trait TypeIsNode
+{
+ public function getFieldsForObjectType()
+ {
+ $currentFields = parent::getFieldsForObjectType();
+
+ $idResolver = $this->getIdResolverFromFields($currentFields);
+ $nodeIdField = $this->getNodeIdField();
+ $nodeIdField->setIdResolver($idResolver);
+ $currentFields['id'] = $nodeIdField->toArray();
+
+ return $currentFields;
+ }
+
+ protected function getNodeIdField()
+ {
+ $nodeIdField = new NodeIdField();
+ $nodeIdField->setIdType($this->name);
+ return $nodeIdField;
+ }
+
+ protected function getIdResolverFromFields($fields)
+ {
+ $idResolver = null;
+ $originalResolver = array_get($fields, 'id.resolve');
+ if ($originalResolver) {
+ $idResolver = function () use ($originalResolver) {
+ $id = call_user_func_array($originalResolver, func_get_args());
+ return $id;
+ };
+ } else {
+ $idResolver = function ($root) {
+ return array_get($root, 'id');
+ };
+ }
+
+ return $idResolver;
+ }
+
+ protected function relayInterfaces()
+ {
+ return [
+ app('graphql')->type('Node')
+ ];
+ }
+
+ public function getInterfaces()
+ {
+ $interfaces = parent::getInterfaces();
+ $relayInterfaces = $this->relayInterfaces();
+ return array_merge($interfaces, $relayInterfaces);
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/ServiceProvider.php b/src/Folklore/GraphQL/Relay/ServiceProvider.php
new file mode 100644
index 00000000..718314aa
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/ServiceProvider.php
@@ -0,0 +1,187 @@
+<?php namespace Folklore\GraphQL\Relay;
+
+use GraphQL\Validator\DocumentValidator;
+use Illuminate\Support\ServiceProvider as BaseServiceProvider;
+
+class ServiceProvider extends BaseServiceProvider
+{
+ /**
+ * Bootstrap any application services.
+ *
+ * @return void
+ */
+ public function boot()
+ {
+ $this->bootTypes();
+
+ $this->bootSchemas();
+ }
+
+ /**
+ * Add schemas from config
+ *
+ * @return void
+ */
+ protected function bootSchemas()
+ {
+ $query = config('graphql.relay.query', []);
+ $schemas = config('graphql.relay.schemas');
+ if ($schemas === null) {
+ return null;
+ } elseif ($schemas === '*') {
+ $schemas = array_keys(config('graphql.schemas', []));
+ } else {
+ $schemas = (array)$schemas;
+ }
+
+ $allSchemas = $this->app['graphql']->getSchemas();
+ foreach ($allSchemas as $name => $schema) {
+ if (!in_array($name, $schemas)) {
+ continue;
+ }
+ $schema['query'] = array_merge($schema['query'], $query);
+ $this->app['graphql']->addSchema($name, $schema);
+ }
+ }
+
+ /**
+ * Add types from config
+ *
+ * @return void
+ */
+ protected function bootTypes()
+ {
+ $types = config('graphql.relay.types');
+ if (is_array($types)) {
+ $this->app['graphql']->addTypes($types);
+ }
+ }
+
+ /**
+ * Register any application services.
+ *
+ * @return void
+ */
+ public function register()
+ {
+ $this->registerRelay();
+
+ $this->registerCommands();
+ }
+
+ /**
+ * Register Relay facade
+ *
+ * @return void
+ */
+ public function registerRelay()
+ {
+ $this->app->singleton('graphql.relay', function ($app) {
+ $relay = new Relay($app);
+ return $relay;
+ });
+ }
+
+ /**
+ * Register console commands
+ *
+ * @return void
+ */
+ public function registerCommands()
+ {
+ $commands = [
+ 'MakeNode', 'MakeMutation', 'MakeInput', 'MakePayload', 'MakeConnection'
+ ];
+
+ // We'll simply spin through the list of commands that are migration related
+ // and register each one of them with an application container. They will
+ // be resolved in the Artisan start file and registered on the console.
+ foreach ($commands as $command) {
+ $this->{'register'.$command.'Command'}();
+ }
+
+ $this->commands(
+ 'command.relay.make.node',
+ 'command.relay.make.mutation',
+ 'command.relay.make.input',
+ 'command.relay.make.payload',
+ 'command.relay.make.connection'
+ );
+ }
+
+ /**
+ * Register the "make:graphql:node" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeNodeCommand()
+ {
+ $this->app->singleton('command.relay.make.node', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\NodeMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:mutation" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeMutationCommand()
+ {
+ $this->app->singleton('command.relay.make.mutation', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\MutationMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:input" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeInputCommand()
+ {
+ $this->app->singleton('command.relay.make.input', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\InputMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:payload" migration command.
+ *
+ * @return void
+ */
+ public function registerMakePayloadCommand()
+ {
+ $this->app->singleton('command.relay.make.payload', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\PayloadMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Register the "make:graphql:payload" migration command.
+ *
+ * @return void
+ */
+ public function registerMakeConnectionCommand()
+ {
+ $this->app->singleton('command.relay.make.connection', function ($app) {
+ return new \Folklore\GraphQL\Relay\Console\ConnectionMakeCommand($app['files']);
+ });
+ }
+
+ /**
+ * Get the services provided by the provider.
+ *
+ * @return array
+ */
+ public function provides()
+ {
+ return [
+ 'graphql.relay',
+ 'command.relay.make.node',
+ 'command.relay.make.input',
+ 'command.relay.make.payload',
+ 'command.relay.make.connection'
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/ConnectionField.php b/src/Folklore/GraphQL/Relay/Support/ConnectionField.php
new file mode 100644
index 00000000..9e911179
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/ConnectionField.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Field as BaseField;
+use Folklore\GraphQL\Relay\Support\Traits\FieldIsConnection;
+use Folklore\GraphQL\Relay\Support\Traits\ResolvesFromQueryBuilder;
+use GraphQL;
+
+class ConnectionField extends BaseField
+{
+ use FieldIsConnection, ResolvesFromQueryBuilder;
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/ConnectionType.php b/src/Folklore/GraphQL/Relay/Support/ConnectionType.php
new file mode 100644
index 00000000..e4362aa2
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/ConnectionType.php
@@ -0,0 +1,165 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use GraphQL\Type\Definition\Type;
+use GraphQL\Type\Definition\InterfaceType;
+use Folklore\GraphQL\Support\Type as BaseType;
+
+use Folklore\GraphQL\Relay\EdgesCollection;
+use Illuminate\Pagination\AbstractPaginator;
+use Illuminate\Pagination\LengthAwarePaginator;
+
+class ConnectionType extends BaseType
+{
+ protected $edgeType;
+
+ protected function edgeType()
+ {
+ return null;
+ }
+
+ public function fields()
+ {
+ return [
+ 'total' => [
+ 'type' => Type::int(),
+ 'resolve' => function ($root) {
+ return $this->getTotalFromRoot($root);
+ }
+ ],
+ 'edges' => [
+ 'type' => Type::listOf($this->getEdgeObjectType()),
+ 'resolve' => function ($root) {
+ return $this->getEdgesFromRoot($root);
+ }
+ ],
+ 'pageInfo' => [
+ 'type' => app('graphql')->type('PageInfo'),
+ 'resolve' => function ($root) {
+ return $this->getPageInfoFromRoot($root);
+ }
+ ]
+ ];
+ }
+
+ public function getEdgeType()
+ {
+ $edgeType = $this->edgeType();
+ return $edgeType ? $edgeType:$this->edgeType;
+ }
+
+ public function setEdgeType($edgeType)
+ {
+ $this->edgeType = $edgeType;
+ return $this;
+ }
+
+ protected function getEdgeObjectType()
+ {
+ $edgeType = $this->getEdgeType();
+ $name = $edgeType->config['name'].'Edge';
+ app('graphql')->addType(\Folklore\GraphQL\Relay\ConnectionEdgeType::class, $name);
+ $type = app('graphql')->type($name);
+ $type->setEdgeType($edgeType);
+ return $type;
+ }
+
+ protected function getCursorFromNode($edge)
+ {
+ $edgeType = $this->getEdgeType();
+ if ($edgeType instanceof InterfaceType) {
+ $edgeType = $edgeType->config['resolveType']($edge);
+ }
+ $resolveId = $edgeType->getField('id')->resolveFn;
+ return $resolveId($edge);
+ }
+
+ protected function getTotalFromRoot($root)
+ {
+ $total = 0;
+ if ($root instanceof EdgesCollection) {
+ $total = $root->getTotal();
+ }
+ return $total;
+ }
+
+
+ protected function getEdgesFromRoot($root)
+ {
+ $cursor = $this->getStartCursorFromRoot($root);
+ $edges = [];
+ foreach ($root as $item) {
+ $edges[] = [
+ 'cursor' => $cursor !== null ? $cursor:$this->getCursorFromNode($item),
+ 'node' => $item
+ ];
+ if ($cursor !== null) {
+ $cursor++;
+ }
+ }
+ return $edges;
+ }
+
+ protected function getHasPreviousPageFromRoot($root)
+ {
+ $hasPreviousPage = false;
+ if ($root instanceof LengthAwarePaginator) {
+ $hasPreviousPage = !$root->onFirstPage();
+ } elseif ($root instanceof AbstractPaginator) {
+ $hasPreviousPage = !$root->onFirstPage();
+ } elseif ($root instanceof EdgesCollection) {
+ $hasPreviousPage = $root->getHasPreviousPage();
+ }
+
+ return $hasPreviousPage;
+ }
+
+ protected function getHasNextPageFromRoot($root)
+ {
+ $hasNextPage = false;
+ if ($root instanceof LengthAwarePaginator) {
+ $hasNextPage = $root->hasMorePages();
+ } elseif ($root instanceof EdgesCollection) {
+ $hasNextPage = $root->getHasNextPage();
+ }
+
+ return $hasNextPage;
+ }
+
+ protected function getStartCursorFromRoot($root)
+ {
+ $startCursor = null;
+ if ($root instanceof EdgesCollection) {
+ $startCursor = $root->getStartCursor();
+ }
+
+ return $startCursor;
+ }
+
+ protected function getEndCursorFromRoot($root)
+ {
+ $endCursor = null;
+ if ($root instanceof EdgesCollection) {
+ $endCursor = $root->getEndCursor();
+ }
+
+ return $endCursor;
+ }
+
+ protected function getPageInfoFromRoot($root)
+ {
+ $hasPreviousPage = $this->getHasPreviousPageFromRoot($root);
+ $hasNextPage = $this->getHasNextPageFromRoot($root);
+ $startCursor = $this->getStartCursorFromRoot($root);
+ $endCursor = $this->getEndCursorFromRoot($root);
+ $edges = $startCursor === null || $endCursor === null ? $this->getEdgesFromRoot($root):null;
+
+ return [
+ 'hasPreviousPage' => $hasPreviousPage,
+ 'hasNextPage' => $hasNextPage,
+ 'startCursor' => $startCursor !== null ? $startCursor:array_get($edges, '0.cursor'),
+ 'endCursor' => $endCursor !== null ? $endCursor:array_get($edges, (sizeof($edges)-1).'.cursor')
+ ];
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/Facades/Relay.php b/src/Folklore/GraphQL/Relay/Support/Facades/Relay.php
new file mode 100644
index 00000000..fbfdbf6a
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/Facades/Relay.php
@@ -0,0 +1,16 @@
+<?php namespace Folklore\GraphQL\Relay\Support\Facades;
+
+use Illuminate\Support\Facades\Facade;
+
+class Relay extends Facade
+{
+ /**
+ * Get the registered name of the component.
+ *
+ * @return string
+ */
+ protected static function getFacadeAccessor()
+ {
+ return 'graphql.relay';
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/InputType.php b/src/Folklore/GraphQL/Relay/Support/InputType.php
new file mode 100644
index 00000000..171af7dd
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/InputType.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use GraphQL\Type\Definition\Type;
+
+use Folklore\GraphQL\Support\InputType as BaseInputType;
+use Folklore\GraphQL\Relay\Support\Traits\HasClientMutationIdField;
+
+class InputType extends BaseInputType
+{
+ use HasClientMutationIdField;
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/Mutation.php b/src/Folklore/GraphQL/Relay/Support/Mutation.php
new file mode 100644
index 00000000..2619ec81
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/Mutation.php
@@ -0,0 +1,64 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Mutation as BaseMutation;
+use Folklore\GraphQL\Relay\MutationResponse;
+
+class Mutation extends BaseMutation
+{
+ protected $inputType;
+
+ protected function inputType()
+ {
+ return null;
+ }
+
+ public function getInputType()
+ {
+ $inputType = $this->inputType();
+ return $inputType ? $inputType:$this->inputType;
+ }
+
+ public function setInputType($inputType)
+ {
+ $this->inputType = $inputType;
+ }
+
+ public function args()
+ {
+ return [
+ 'input' => [
+ 'name' => 'input',
+ 'type' => $this->getInputType()
+ ]
+ ];
+ }
+
+ protected function getMutationResponse($response, $clientMutationId)
+ {
+ $mutationResponse = new MutationResponse();
+ $mutationResponse->setNode($response);
+ $mutationResponse->setClientMutationId($clientMutationId);
+
+ return $mutationResponse;
+ }
+
+ protected function resolveClientMutationId($root, $args)
+ {
+ return array_get($args, 'input.clientMutationId');
+ }
+
+ public function getResolver()
+ {
+ $resolver = parent::getResolver();
+
+ return function () use ($resolver) {
+ $args = func_get_args();
+ $response = call_user_func_array($resolver, $args);
+ $clientMutationId = call_user_func_array([$this, 'resolveClientMutationId'], $args);
+ $response = $this->getMutationResponse($response, $clientMutationId);
+ return $response;
+ };
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/NodeContract.php b/src/Folklore/GraphQL/Relay/Support/NodeContract.php
new file mode 100644
index 00000000..580fcd4c
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/NodeContract.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+interface NodeContract
+{
+ public function resolveById($id);
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/NodeType.php b/src/Folklore/GraphQL/Relay/Support/NodeType.php
new file mode 100644
index 00000000..fe213894
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/NodeType.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Type as BaseType;
+use Folklore\GraphQL\Relay\Support\Traits\TypeIsNode;
+
+abstract class NodeType extends BaseType implements NodeContract
+{
+ use TypeIsNode;
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/PayloadType.php b/src/Folklore/GraphQL/Relay/Support/PayloadType.php
new file mode 100644
index 00000000..925b364f
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/PayloadType.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support;
+
+use Folklore\GraphQL\Support\Type as BaseType;
+use Folklore\GraphQL\Relay\Support\Traits\HasClientMutationIdField;
+
+class PayloadType extends BaseType
+{
+ use HasClientMutationIdField;
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/Traits/FieldIsConnection.php b/src/Folklore/GraphQL/Relay/Support/Traits/FieldIsConnection.php
new file mode 100644
index 00000000..6866113e
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/Traits/FieldIsConnection.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use GraphQL\Type\Definition\Type;
+
+trait FieldIsConnection
+{
+ protected function connectionArgs()
+ {
+ return [
+ 'first' => [
+ 'name' => 'first',
+ 'type' => Type::int()
+ ],
+ 'last' => [
+ 'name' => 'last',
+ 'type' => Type::int()
+ ],
+ 'after' => [
+ 'name' => 'after',
+ 'type' => Type::string()
+ ],
+ 'before' => [
+ 'name' => 'before',
+ 'type' => Type::string()
+ ]
+ ];
+ }
+
+ public function getArgs()
+ {
+ $args = parent::getArgs();
+
+ $connectionArgs = $this->connectionArgs();
+
+ return array_merge($connectionArgs, $args);
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/Traits/HasClientMutationIdField.php b/src/Folklore/GraphQL/Relay/Support/Traits/HasClientMutationIdField.php
new file mode 100644
index 00000000..1df513b9
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/Traits/HasClientMutationIdField.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use GraphQL;
+use Folklore\GraphQL\Relay\NodeIdField;
+use GraphQL\Type\Definition\Type;
+
+trait HasClientMutationIdField
+{
+ public function getFields()
+ {
+ $fields = parent::getFields();
+
+ $fields['clientMutationId'] = [
+ 'type' => Type::nonNull(Type::string())
+ ];
+
+ return $fields;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php b/src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php
new file mode 100644
index 00000000..78d7046c
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php
@@ -0,0 +1,160 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use GraphQL;
+use Relay;
+use Folklore\GraphQL\Relay\EdgesCollection;
+
+trait ResolvesFromQueryBuilder
+{
+ protected $queryBuilderResolver;
+
+ public function getQueryBuilderResolver()
+ {
+ return $this->queryBuilderResolver;
+ }
+
+ public function setQueryBuilderResolver($queryBuilderResolver)
+ {
+ $this->queryBuilderResolver = $queryBuilderResolver;
+ return $queryBuilderResolver;
+ }
+
+ protected function scopeAfter($query, $id)
+ {
+ $query->where('id', '>=', $id);
+ }
+
+ protected function scopeBefore($query, $id)
+ {
+ $query->where('id', '<=', $id);
+ }
+
+ protected function scopeFirst($query, $value)
+ {
+ $query->orderBy('id', 'ASC');
+ $query->take($value);
+ }
+
+ protected function scopeLast($query, $value)
+ {
+ $query->orderBy('id', 'DESC');
+ $query->take($value);
+ }
+
+ protected function getCountFromQuery($query)
+ {
+ $countQuery = clone $query;
+ if ($countQuery instanceof \Illuminate\Database\Eloquent\Relations\Relation) {
+ $countQuery->getBaseQuery()->orders = null;
+ } else if ($countQuery instanceof \Illuminate\Database\Eloquent\Builder) {
+ $countQuery->getQuery()->orders = null;
+ } else if( $countQuery instanceof \Illuminate\Database\Query\Builder) {
+ $countQuery->orders = null;
+ }
+ return $countQuery->count();
+ }
+
+ protected function resolveQueryBuilderFromRoot($root, $args)
+ {
+ if (method_exists($this, 'resolveQueryBuilder')) {
+ $queryBuilderResolver = [$this, 'resolveQueryBuilder'];
+ } else {
+ $queryBuilderResolver = $this->getQueryBuilderResolver();
+ }
+
+ if (!$queryBuilderResolver) {
+ return null;
+ }
+
+ $args = func_get_args();
+ return call_user_func_array($queryBuilderResolver, $args);
+ }
+
+ protected function resolveItemsFromQueryBuilder($query)
+ {
+ /* @var $query \Illuminate\Database\Eloquent\Builder */
+// throw new \Exception("Query class is " . $query->toSql());
+
+ return $query->get();
+ }
+
+ protected function getCollectionFromItems($items, $offset, $limit, $total, $hasPreviousPage, $hasNextPage)
+ {
+ $collection = new EdgesCollection($items);
+ $collection->setTotal($total);
+ $collection->setStartCursor($offset);
+ $collection->setEndCursor($offset + $limit - 1);
+ $collection->setHasNextPage($hasNextPage);
+ $collection->setHasPreviousPage($hasPreviousPage);
+ return $collection;
+ }
+
+ public function resolve($root, $args)
+ {
+ // Get the query builder
+ $arguments = func_get_args();
+ $query = call_user_func_array([$this, 'resolveQueryBuilderFromRoot'], $arguments);
+
+ // If there is no query builder returned, try to use the parent resolve method.
+ if (!$query) {
+ if (method_exists('parent', 'resolve')) {
+ return call_user_func_array(['parent', 'resolve'], $arguments);
+ } else {
+ return null;
+ }
+ }
+
+ $after = array_get($args, 'after');
+ $before = array_get($args, 'before');
+ $first = array_get($args, 'first');
+ $last = array_get($args, 'last');
+
+ $count = $this->getCountFromQuery($query);
+ $offset = 0;
+ $limit = 0;
+
+ if ($first !== null) {
+ $limit = $first;
+ $offset = 0;
+ if ($after !== null) {
+ $offset = $after + 1;
+ }
+ if ($before !== null) {
+ $limit = min(max(0, $before - $offset), $limit);
+ }
+ } else if ($last !== null) {
+ $limit = $last;
+ $offset = $count - $limit;
+ if ($before !== null) {
+ $offset = max(0, $before - $limit);
+ $limit = min($before - $offset, $limit);
+ }
+ if ($after !== null) {
+ $d = max(0, $after + 1 - $offset);
+ $limit -= $d;
+ $offset += $d;
+ }
+ }
+ $offset = max(0, $offset);
+ $limit = min($count - $offset, $limit);
+
+ if ($offset) {
+ $query->skip($offset);
+ }
+ if ($limit) {
+ $query->take($limit);
+ }
+// $query->skip($offset)->take($limit);
+
+ $hasNextPage = ($offset + $limit) < $count;
+ $hasPreviousPage = $offset > 0;
+
+ $resolveItemsArguments = array_merge([$query], $arguments);
+ $items = call_user_func_array([$this, 'resolveItemsFromQueryBuilder'], $resolveItemsArguments);
+ $collection = $this->getCollectionFromItems($items, $offset, $limit, $count, $hasPreviousPage, $hasNextPage);
+
+ return $collection;
+ }
+}
diff --git a/src/Folklore/GraphQL/Relay/Support/Traits/TypeIsNode.php b/src/Folklore/GraphQL/Relay/Support/Traits/TypeIsNode.php
new file mode 100644
index 00000000..ce839e8a
--- /dev/null
+++ b/src/Folklore/GraphQL/Relay/Support/Traits/TypeIsNode.php
@@ -0,0 +1,59 @@
+<?php
+
+namespace Folklore\GraphQL\Relay\Support\Traits;
+
+use Folklore\GraphQL\Relay\NodeIdField;
+
+trait TypeIsNode
+{
+ public function getFieldsForObjectType()
+ {
+ $currentFields = parent::getFieldsForObjectType();
+
+ $idResolver = $this->getIdResolverFromFields($currentFields);
+ $nodeIdField = $this->getNodeIdField();
+ $nodeIdField->setIdResolver($idResolver);
+ $currentFields['id'] = $nodeIdField->toArray();
+
+ return $currentFields;
+ }
+
+ protected function getNodeIdField()
+ {
+ $nodeIdField = new NodeIdField();
+ $nodeIdField->setIdType($this->name);
+ return $nodeIdField;
+ }
+
+ protected function getIdResolverFromFields($fields)
+ {
+ $idResolver = null;
+ $originalResolver = array_get($fields, 'id.resolve');
+ if ($originalResolver) {
+ $idResolver = function () use ($originalResolver) {
+ $id = call_user_func_array($originalResolver, func_get_args());
+ return $id;
+ };
+ } else {
+ $idResolver = function ($root) {
+ return array_get($root, 'id');
+ };
+ }
+
+ return $idResolver;
+ }
+
+ protected function relayInterfaces()
+ {
+ return [
+ app('graphql')->type('Node')
+ ];
+ }
+
+ public function getInterfaces()
+ {
+ $interfaces = parent::getInterfaces();
+ $relayInterfaces = $this->relayInterfaces();
+ return array_merge($interfaces, $relayInterfaces);
+ }
+}
From 21ee2cfd64b17f5046cb05c4fbb26e0d761c447a Mon Sep 17 00:00:00 2001
From: Erik Van Kelst <4levels@gmail.com>
Date: Thu, 15 Mar 2018 13:22:02 +0100
Subject: [PATCH 2/2] Minor cleanup
---
.../GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php | 1 -
1 file changed, 1 deletion(-)
diff --git a/src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php b/src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php
index 78d7046c..159d011c 100644
--- a/src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php
+++ b/src/Folklore/GraphQL/Relay/Support/Traits/ResolvesFromQueryBuilder.php
@@ -146,7 +146,6 @@ public function resolve($root, $args)
if ($limit) {
$query->take($limit);
}
-// $query->skip($offset)->take($limit);
$hasNextPage = ($offset + $limit) < $count;
$hasPreviousPage = $offset > 0;