graphql: merge defaultRepository and repository for simplified webUI code

Author: MichaelMure

graphql/graph/gen_graph.go

@@ -25,7 +25,7 @@ func TestQueries(t *testing.T) {
 
 	query := `
      query {
-        defaultRepository {
+        repository {
           allBugs(first: 2) {
             pageInfo {
               endCursor
@@ -162,7 +162,7 @@ func TestQueries(t *testing.T) {
 	}
 
 	var resp struct {
-		DefaultRepository struct {
+		Repository struct {
 			AllBugs struct {
 				PageInfo models.PageInfo
 				Nodes    []struct {

graphql/graphql_test.go

@@ -27,8 +27,15 @@ func (r rootQueryResolver) DefaultRepository(_ context.Context) (*models.Reposit
 	}, nil
 }
 
-func (r rootQueryResolver) Repository(_ context.Context, ref string) (*models.Repository, error) {
-	repo, err := r.cache.ResolveRepo(ref)
+func (r rootQueryResolver) Repository(_ context.Context, ref *string) (*models.Repository, error) {
+	var repo *cache.RepoCache
+	var err error
+
+	if ref == nil {
+		repo, err = r.cache.DefaultRepo()
+	} else {
+		repo, err = r.cache.ResolveRepo(*ref)
+	}
 
 	if err != nil {
 		return nil, err

graphql/resolvers/query.go

@@ -1,10 +1,6 @@
 type Query {
-    """The default unnamend repository."""
-    defaultRepository: Repository
-    """Access a repository by reference/name."""
-    repository(ref: String!): Repository
-
-    #TODO: connection for all repositories
+    """Access a repository by reference/name. If no ref is given, the default repository is returned if any."""
+    repository(ref: String): Repository
 }
 
 type Mutation {