Add IssueMove mutation

Allow to move issue between projects with GraphQL

app/graphql/mutations/issues/move.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Issues
+    class Move < Base
+      graphql_name 'IssueMove'
+
+      argument :target_project_path,
+               GraphQL::ID_TYPE,
+               required: true,
+               description: 'The project to move the issue to.'
+
+      def resolve(project_path:, iid:, target_project_path:)
+        Gitlab::QueryLimiting.whitelist('https://gitlab.com/gitlab-org/gitlab/-/issues/267762')
+
+        issue = authorized_find!(project_path: project_path, iid: iid)
+        source_project = issue.project
+        target_project = resolve_project(full_path: target_project_path).sync
+
+        begin
+          moved_issue = ::Issues::MoveService.new(source_project, current_user).execute(issue, target_project)
+        rescue ::Issues::MoveService::MoveError => error
+          errors = error.message
+        end
+
+        {
+          issue: moved_issue,
+          errors: Array.wrap(errors)
+        }
+      end
+    end
+  end
+end

app/graphql/types/mutation_type.rb

@@ -31,6 +31,7 @@ module Types
     mount_mutation Mutations::Issues::SetSeverity
     mount_mutation Mutations::Issues::SetSubscription
     mount_mutation Mutations::Issues::Update
+    mount_mutation Mutations::Issues::Move
     mount_mutation Mutations::MergeRequests::Create
     mount_mutation Mutations::MergeRequests::Update
     mount_mutation Mutations::MergeRequests::SetLabels

changelogs/unreleased/issue-233479-Allow_move_issues_on_graphql.yml

+---
+title: Allow to move issues between projects on GraphQL
+merge_request: 44491
+author:
+type: added

doc/api/graphql/reference/gitlab_schema.graphql

@@ -9187,6 +9187,31 @@ Identifier of Issue
 """
 scalar IssueID
 
+"""
+Autogenerated input type of IssueMove
+"""
+input IssueMoveInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  The IID of the issue to mutate
+  """
+  iid: String!
+
+  """
+  The project the issue to mutate is in
+  """
+  projectPath: ID!
+
+  """
+  The project to move the issue to.
+  """
+  targetProjectPath: ID!
+}
+
 """
 Autogenerated input type of IssueMoveList
 """
@@ -9257,6 +9282,26 @@ type IssueMoveListPayload {
   issue: Issue
 }
 
+"""
+Autogenerated return type of IssueMove
+"""
+type IssueMovePayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]!
+
+  """
+  The issue after mutation
+  """
+  issue: Issue
+}
+
 """
 Check permissions for the current user on a issue
 """
@@ -12109,6 +12154,7 @@ type Mutation {
   epicAddIssue(input: EpicAddIssueInput!): EpicAddIssuePayload
   epicSetSubscription(input: EpicSetSubscriptionInput!): EpicSetSubscriptionPayload
   epicTreeReorder(input: EpicTreeReorderInput!): EpicTreeReorderPayload
+  issueMove(input: IssueMoveInput!): IssueMovePayload
   issueMoveList(input: IssueMoveListInput!): IssueMoveListPayload
   issueSetAssignees(input: IssueSetAssigneesInput!): IssueSetAssigneesPayload
   issueSetConfidential(input: IssueSetConfidentialInput!): IssueSetConfidentialPayload

doc/api/graphql/reference/gitlab_schema.json

@@ -25043,6 +25043,69 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "INPUT_OBJECT",
+          "name": "IssueMoveInput",
+          "description": "Autogenerated input type of IssueMove",
+          "fields": null,
+          "inputFields": [
+            {
+              "name": "projectPath",
+              "description": "The project the issue to mutate is in",
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "ID",
+                  "ofType": null
+                }
+              },
+              "defaultValue": null
+            },
+            {
+              "name": "iid",
+              "description": "The IID of the issue to mutate",
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "String",
+                  "ofType": null
+                }
+              },
+              "defaultValue": null
+            },
+            {
+              "name": "targetProjectPath",
+              "description": "The project to move the issue to.",
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "SCALAR",
+                  "name": "ID",
+                  "ofType": null
+                }
+              },
+              "defaultValue": null
+            },
+            {
+              "name": "clientMutationId",
+              "description": "A unique identifier for the client performing the mutation.",
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "defaultValue": null
+            }
+          ],
+          "interfaces": null,
+          "enumValues": null,
+          "possibleTypes": null
+        },
         {
           "kind": "INPUT_OBJECT",
           "name": "IssueMoveListInput",
@@ -25223,6 +25286,73 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "OBJECT",
+          "name": "IssueMovePayload",
+          "description": "Autogenerated return type of IssueMove",
+          "fields": [
+            {
+              "name": "clientMutationId",
+              "description": "A unique identifier for the client performing the mutation.",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "errors",
+              "description": "Errors encountered during execution of the mutation.",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "NON_NULL",
+                "name": null,
+                "ofType": {
+                  "kind": "LIST",
+                  "name": null,
+                  "ofType": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "SCALAR",
+                      "name": "String",
+                      "ofType": null
+                    }
+                  }
+                }
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "issue",
+              "description": "The issue after mutation",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "OBJECT",
+                "name": "Issue",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "inputFields": null,
+          "interfaces": [
+
+          ],
+          "enumValues": null,
+          "possibleTypes": null
+        },
         {
           "kind": "OBJECT",
           "name": "IssuePermissions",
@@ -34412,6 +34542,33 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "issueMove",
+              "description": null,
+              "args": [
+                {
+                  "name": "input",
+                  "description": null,
+                  "type": {
+                    "kind": "NON_NULL",
+                    "name": null,
+                    "ofType": {
+                      "kind": "INPUT_OBJECT",
+                      "name": "IssueMoveInput",
+                      "ofType": null
+                    }
+                  },
+                  "defaultValue": null
+                }
+              ],
+              "type": {
+                "kind": "OBJECT",
+                "name": "IssueMovePayload",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "issueMoveList",
               "description": null,

doc/api/graphql/reference/index.md

@@ -1296,6 +1296,16 @@ Autogenerated return type of IssueMoveList.
 | `errors` | String! => Array | Errors encountered during execution of the mutation. |
 | `issue` | Issue | The issue after mutation |
 
+### IssueMovePayload
+
+Autogenerated return type of IssueMove.
+
+| Field | Type | Description |
+| ----- | ---- | ----------- |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Errors encountered during execution of the mutation. |
+| `issue` | Issue | The issue after mutation |
+
 ### IssuePermissions
 
 Check permissions for the current user on a issue.

rubocop/cop/graphql/id_type.rb

@@ -6,7 +6,7 @@ module RuboCop
       class IDType < RuboCop::Cop::Cop
         MSG = 'Do not use GraphQL::ID_TYPE, use a specific GlobalIDType instead'
 
-        WHITELISTED_ARGUMENTS = %i[iid full_path project_path group_path].freeze
+        WHITELISTED_ARGUMENTS = %i[iid full_path project_path group_path target_project_path].freeze
 
         def_node_search :graphql_id_type?, <<~PATTERN
           (send nil? :argument (_ #does_not_match?) (const (const nil? :GraphQL) :ID_TYPE) ...)

spec/graphql/mutations/issues/move_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Mutations::Issues::Move do
+  let_it_be(:issue) { create(:issue) }
+  let_it_be(:user) { create(:user) }
+  let_it_be(:target_project) { create(:project) }
+
+  subject(:mutation) { described_class.new(object: nil, context: { current_user: user }, field: nil) }
+
+  describe '#resolve' do
+    subject(:resolve) { mutation.resolve(project_path: issue.project.full_path, iid: issue.iid, target_project_path: target_project.full_path) }
+
+    it 'raises an error if the resource is not accessible to the user' do
+      expect { resolve }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+    end
+
+    context 'when user does not have permissions' do
+      before do
+        issue.project.add_developer(user)
+      end
+
+      it 'returns error message' do
+        expect(resolve[:issue]).to eq(nil)
+        expect(resolve[:errors].first).to eq('Cannot move issue due to insufficient permissions!')
+      end
+    end
+
+    context 'when user has sufficient permissions' do
+      before do
+        issue.project.add_developer(user)
+        target_project.add_developer(user)
+      end
+
+      it 'moves issue' do
+        expect(resolve[:issue].project).to eq(target_project)
+      end
+    end
+  end
+end

spec/requests/api/graphql/mutations/issues/move_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Moving an issue' do
+  include GraphqlHelpers
+
+  let_it_be(:user) { create(:user) }
+  let_it_be(:issue) { create(:issue) }
+  let_it_be(:target_project) { create(:project) }
+
+  let(:mutation) do
+    variables = {
+      project_path: issue.project.full_path,
+      target_project_path: target_project.full_path,
+      iid: issue.iid.to_s
+    }
+
+    graphql_mutation(:issue_move, variables,
+                     <<-QL.strip_heredoc
+                       clientMutationId
+                       errors
+                       issue {
+                         title
+                       }
+                     QL
+    )
+  end
+
+  def mutation_response
+    graphql_mutation_response(:issue_move)
+  end
+
+  context 'when the user is not allowed to read source project' do
+    it 'returns an error' do
+      error = "The resource that you are attempting to access does not exist or you don't have permission to perform this action"
+      post_graphql_mutation(mutation, current_user: user)
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(graphql_errors).to include(a_hash_including('message' => error))
+    end
+  end
+
+  context 'when the user is not allowed to move issue to target project' do
+    before do
+      issue.project.add_developer(user)
+    end
+
+    it 'returns an error' do
+      error = "Cannot move issue due to insufficient permissions!"
+      post_graphql_mutation(mutation, current_user: user)
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(mutation_response['errors'][0]).to eq(error)
+    end
+  end
+
+  context 'when the user is allowed to move issue' do
+    before do
+      issue.project.add_developer(user)
+      target_project.add_developer(user)
+    end
+
+    it 'moves the issue' do
+      post_graphql_mutation(mutation, current_user: user)
+
+      expect(response).to have_gitlab_http_status(:success)
+      expect(mutation_response.dig('issue', 'title')).to eq(issue.title)
+      expect(issue.reload.state).to eq('closed')
+      expect(target_project.issues.find_by_title(issue.title)).to be_present
+    end
+  end
+end