feat: replace an existing policy

- ReplacePolicy will take an id of the existing policy
and replace it with the provided policy body.
- raystack/proton#318

Signed-off-by: Kush Sharma <[email protected]>

Author: kushsharma

Makefile

@@ -4,7 +4,7 @@ TAG := $(shell git rev-list --tags --max-count=1)
 VERSION := $(shell git describe --tags ${TAG})
 .PHONY: build check fmt lint test test-race vet test-cover-html help install proto ui
 .DEFAULT_GOAL := build
-PROTON_COMMIT := "eb24a09e48f7f746b07006daae47f9434ef70ec4"
+PROTON_COMMIT := "4c0454a0e55cd15750d3e007d5cc06ca6e186b6e"
 
 ui:
 	@echo " > generating ui build"

core/audit/audit.go

@@ -67,6 +67,7 @@ const (
 
 	PolicyCreatedEvent EventName = "app.policy.created"
 	PolicyDeletedEvent EventName = "app.policy.deleted"
+	PolicyReplaceEvent EventName = "app.policy.replaced"
 
 	OrgCreatedEvent       EventName = "app.organization.created"
 	OrgUpdatedEvent       EventName = "app.organization.updated"

core/policy/service.go

@@ -2,6 +2,7 @@ package policy
 
 import (
 	"context"
+	"errors"
 
 	"github.com/raystack/frontier/pkg/utils"
 
@@ -74,6 +75,14 @@ func (s Service) Delete(ctx context.Context, id string) error {
 	return s.repository.Delete(ctx, id)
 }
 
+func (s Service) Replace(ctx context.Context, existingID string, pol Policy) (Policy, error) {
+	if err := s.Delete(ctx, existingID); err != nil && !errors.Is(err, ErrNotExist) {
+		return Policy{}, err
+	}
+	pol.ID = existingID
+	return s.Create(ctx, pol)
+}
+
 // AssignRole Note: ideally this should be in a single transaction
 // read more about how user defined roles work in spicedb https://authzed.com/blog/user-defined-roles
 func (s Service) AssignRole(ctx context.Context, pol Policy) error {