Add related links to Release GraphQL endpoint

This commit adds related links to the Release portion of our GraphQL
endpoint.

app/graphql/types/release_links_type.rb

+# frozen_string_literal: true
+
+module Types
+  class ReleaseLinksType < BaseObject
+    graphql_name 'ReleaseLinks'
+
+    authorize :download_code
+
+    alias_method :release, :object
+
+    present_using ReleasePresenter
+
+    field :self_url, GraphQL::STRING_TYPE, null: true,
+          description: 'HTTP URL of the release'
+    field :merge_requests_url, GraphQL::STRING_TYPE, null: true,
+          description: 'HTTP URL of the merge request page filtered by this release'
+    field :issues_url, GraphQL::STRING_TYPE, null: true,
+          description: 'HTTP URL of the issues page filtered by this release'
+    field :edit_url, GraphQL::STRING_TYPE, null: true,
+          description: "HTTP URL of the release's edit page",
+          authorize: :update_release
+  end
+end

app/graphql/types/release_type.rb

@@ -28,6 +28,8 @@ module Types
           description: 'Timestamp of when the release was released'
     field :assets, Types::ReleaseAssetsType, null: true, method: :itself,
           description: 'Assets of the release'
+    field :links, Types::ReleaseLinksType, null: true, method: :itself,
+          description: 'Links of the release'
     field :milestones, Types::MilestoneType.connection_type, null: true,
           description: 'Milestones associated to the release'
     field :evidences, Types::EvidenceType.connection_type, null: true,

doc/api/graphql/reference/gitlab_schema.graphql

@@ -10161,6 +10161,11 @@ type Release {
     last: Int
   ): ReleaseEvidenceConnection
 
+  """
+  Links of the release
+  """
+  links: ReleaseLinks
+
   """
   Milestones associated to the release
   """
@@ -10452,6 +10457,28 @@ type ReleaseEvidenceEdge {
   node: ReleaseEvidence
 }
 
+type ReleaseLinks {
+  """
+  HTTP URL of the release's edit page
+  """
+  editUrl: String
+
+  """
+  HTTP URL of the issues page filtered by this release
+  """
+  issuesUrl: String
+
+  """
+  HTTP URL of the merge request page filtered by this release
+  """
+  mergeRequestsUrl: String
+
+  """
+  HTTP URL of the release
+  """
+  selfUrl: String
+}
+
 """
 Represents the source code attached to a release in a particular format
 """

doc/api/graphql/reference/gitlab_schema.json

@@ -29727,6 +29727,20 @@
               "isDeprecated": false,
               "deprecationReason": null
             },
+            {
+              "name": "links",
+              "description": "Links of the release",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "OBJECT",
+                "name": "ReleaseLinks",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
             {
               "name": "milestones",
               "description": "Milestones associated to the release",
@@ -30508,6 +30522,75 @@
           "enumValues": null,
           "possibleTypes": null
         },
+        {
+          "kind": "OBJECT",
+          "name": "ReleaseLinks",
+          "description": null,
+          "fields": [
+            {
+              "name": "editUrl",
+              "description": "HTTP URL of the release's edit page",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "issuesUrl",
+              "description": "HTTP URL of the issues page filtered by this release",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "mergeRequestsUrl",
+              "description": "HTTP URL of the merge request page filtered by this release",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            },
+            {
+              "name": "selfUrl",
+              "description": "HTTP URL of the release",
+              "args": [
+
+              ],
+              "type": {
+                "kind": "SCALAR",
+                "name": "String",
+                "ofType": null
+              },
+              "isDeprecated": false,
+              "deprecationReason": null
+            }
+          ],
+          "inputFields": null,
+          "interfaces": [
+
+          ],
+          "enumValues": null,
+          "possibleTypes": null
+        },
         {
           "kind": "OBJECT",
           "name": "ReleaseSource",

doc/api/graphql/reference/index.md

@@ -1410,6 +1410,7 @@ Represents a release
 | `createdAt` | Time | Timestamp of when the release was created |
 | `description` | String | Description (also known as "release notes") of the release |
 | `descriptionHtml` | String | The GitLab Flavored Markdown rendering of `description` |
+| `links` | ReleaseLinks | Links of the release |
 | `name` | String | Name of the release |
 | `releasedAt` | Time | Timestamp of when the release was released |
 | `tagName` | String | Name of the tag associated with the release |
@@ -1446,6 +1447,15 @@ Evidence for a release
 | `id` | ID! | ID of the evidence |
 | `sha` | String | SHA1 ID of the evidence hash |
 
+## ReleaseLinks
+
+| Name  | Type  | Description |
+| ---   |  ---- | ----------  |
+| `editUrl` | String | HTTP URL of the release's edit page |
+| `issuesUrl` | String | HTTP URL of the issues page filtered by this release |
+| `mergeRequestsUrl` | String | HTTP URL of the merge request page filtered by this release |
+| `selfUrl` | String | HTTP URL of the release |
+
 ## ReleaseSource
 
 Represents the source code attached to a release in a particular format

spec/graphql/types/release_links_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe GitlabSchema.types['ReleaseLinks'] do
+  it { expect(described_class).to require_graphql_authorizations(:download_code) }
+
+  it 'has the expected fields' do
+    expected_fields = %w[
+      selfUrl
+      mergeRequestsUrl
+      issuesUrl
+      editUrl
+    ]
+
+    expect(described_class).to include_graphql_fields(*expected_fields)
+  end
+end

spec/graphql/types/release_type_spec.rb

@@ -9,7 +9,8 @@ describe GitlabSchema.types['Release'] do
     expected_fields = %w[
       tag_name tag_path
       description description_html
-      name assets milestones evidences author commit
+      name milestones evidences author commit
+      assets links
       created_at released_at
     ]
 
@@ -22,6 +23,12 @@ describe GitlabSchema.types['Release'] do
     it { is_expected.to have_graphql_type(Types::ReleaseAssetsType) }
   end
 
+  describe 'links field' do
+    subject { described_class.fields['links'] }
+
+    it { is_expected.to have_graphql_type(Types::ReleaseLinksType) }
+  end
+
   describe 'milestones field' do
     subject { described_class.fields['milestones'] }
 

spec/requests/api/graphql/project/release_spec.rb

 # frozen_string_literal: true
 
 require 'spec_helper'
-require 'pp'
 
 describe 'Query.project(fullPath).release(tagName)' do
   include GraphqlHelpers
@@ -12,15 +11,19 @@ describe 'Query.project(fullPath).release(tagName)' do
   let_it_be(:reporter) { create(:user) }
   let_it_be(:stranger) { create(:user) }
 
+  let(:params_for_issues_and_mrs) { { scope: 'all', state: 'opened', release_tag: release.tag } }
+  let(:post_query) { post_graphql(query, current_user: current_user) }
+  let(:path_prefix) { %w[project release] }
+  let(:data) { graphql_data.dig(*path) }
+
   def query(rq = release_fields)
     graphql_query_for(:project, { fullPath: project.full_path },
       query_graphql_field(:release, { tagName: release.tag }, rq))
   end
 
-  let(:post_query) { post_graphql(query, current_user: current_user) }
-  let(:path_prefix) { %w[project release] }
-
-  let(:data) { graphql_data.dig(*path) }
+  before do
+    stub_default_url_options(host: 'www.example.com')
+  end
 
   shared_examples 'full access to the release field' do
     describe 'scalar fields' do
@@ -83,10 +86,10 @@ describe 'Query.project(fullPath).release(tagName)' do
       it 'finds the author of the release' do
         post_query
 
-        expect(data).to eq({
+        expect(data).to eq(
           'id' => global_id_of(release.author),
           'username' => release.author.username
-        })
+        )
       end
     end
 
@@ -100,7 +103,7 @@ describe 'Query.project(fullPath).release(tagName)' do
       it 'finds the commit associated with the release' do
         post_query
 
-        expect(data).to eq({ 'sha' => release.commit.sha })
+        expect(data).to eq('sha' => release.commit.sha)
       end
     end
 
@@ -115,7 +118,7 @@ describe 'Query.project(fullPath).release(tagName)' do
         it 'returns the number of assets associated to the release' do
           post_query
 
-          expect(data).to eq({ 'count' => release.sources.size + release.links.size })
+          expect(data).to eq('count' => release.sources.size + release.links.size)
         end
       end
 
@@ -166,6 +169,28 @@ describe 'Query.project(fullPath).release(tagName)' do
       end
     end
 
+    describe 'links' do
+      let(:path) { path_prefix + %w[links] }
+
+      let(:release_fields) do
+        query_graphql_field(:links, nil, %{
+          selfUrl
+          mergeRequestsUrl
+          issuesUrl
+        })
+      end
+
+      it 'finds all release links' do
+        post_query
+
+        expect(data).to eq(
+          'selfUrl' => project_release_url(project, release),
+          'mergeRequestsUrl' => project_merge_requests_url(project, params_for_issues_and_mrs),
+          'issuesUrl' => project_issues_url(project, params_for_issues_and_mrs)
+        )
+      end
+    end
+
     describe 'evidences' do
       let(:path) { path_prefix + %w[evidences] }
 
@@ -177,14 +202,13 @@ describe 'Query.project(fullPath).release(tagName)' do
         post_query
 
         evidence = release.evidences.first.present
-        expected = {
+
+        expect(data["nodes"].first).to eq(
           'id' => global_id_of(evidence),
           'sha' => evidence.sha,
           'filepath' => evidence.filepath,
           'collectedAt' => evidence.collected_at.utc.iso8601
-        }
-
-        expect(data["nodes"].first).to eq(expected)
+        )
       end
     end
   end
@@ -207,6 +231,38 @@ describe 'Query.project(fullPath).release(tagName)' do
     end
   end
 
+  shared_examples 'access to editUrl' do
+    let(:path) { path_prefix + %w[links] }
+
+    let(:release_fields) do
+      query_graphql_field(:links, nil, 'editUrl')
+    end
+
+    before do
+      post_query
+    end
+
+    it 'returns editUrl' do
+      expect(data).to eq('editUrl' => edit_project_release_url(project, release))
+    end
+  end
+
+  shared_examples 'no access to editUrl' do
+    let(:path) { path_prefix + %w[links] }
+
+    let(:release_fields) do
+      query_graphql_field(:links, nil, 'editUrl')
+    end
+
+    before do
+      post_query
+    end
+
+    it 'does not return editUrl' do
+      expect(data).to eq('editUrl' => nil)
+    end
+  end
+
   describe "ensures that the correct data is returned based on the project's visibility and the user's access level" do
     context 'when the project is private' do
       let_it_be(:project) { create(:project, :repository, :private) }
@@ -238,12 +294,14 @@ describe 'Query.project(fullPath).release(tagName)' do
         let(:current_user) { reporter }
 
         it_behaves_like 'full access to the release field'
+        it_behaves_like 'no access to editUrl'
       end
 
       context 'when the user has Developer permissions' do
         let(:current_user) { developer }
 
         it_behaves_like 'full access to the release field'
+        it_behaves_like 'access to editUrl'
       end
     end
 
@@ -265,12 +323,21 @@ describe 'Query.project(fullPath).release(tagName)' do
         let(:current_user) { stranger }
 
         it_behaves_like 'full access to the release field'
+        it_behaves_like 'no access to editUrl'
       end
 
       context 'when the user has Guest permissions' do
         let(:current_user) { guest }
 
         it_behaves_like 'full access to the release field'
+        it_behaves_like 'no access to editUrl'
+      end
+
+      context 'when the user has Reporter permissions' do
+        let(:current_user) { reporter }
+
+        it_behaves_like 'full access to the release field'
+        it_behaves_like 'no access to editUrl'
       end
 
       context 'when the user has Reporter permissions' do
@@ -283,6 +350,7 @@ describe 'Query.project(fullPath).release(tagName)' do
         let(:current_user) { developer }
 
         it_behaves_like 'full access to the release field'
+        it_behaves_like 'access to editUrl'
       end
     end
   end

spec/requests/api/graphql/project/releases_spec.rb

@@ -5,9 +5,10 @@ require 'spec_helper'
 describe 'Query.project(fullPath).releases()' do
   include GraphqlHelpers
 
+  let_it_be(:stranger) { create(:user) }
   let_it_be(:guest) { create(:user) }
   let_it_be(:reporter) { create(:user) }
-  let_it_be(:stranger) { create(:user) }
+  let_it_be(:developer) { create(:user) }
 
   let(:query) do
     graphql_query_for(:project, { fullPath: project.full_path },
@@ -33,15 +34,25 @@ describe 'Query.project(fullPath).releases()' do
               sha
             }
           }
+          links {
+            selfUrl
+            mergeRequestsUrl
+            issuesUrl
+          }
         }
       }
     })
   end
 
+  let(:params_for_issues_and_mrs) { { scope: 'all', state: 'opened', release_tag: release.tag } }
   let(:post_query) { post_graphql(query, current_user: current_user) }
 
   let(:data) { graphql_data.dig('project', 'releases', 'nodes', 0) }
 
+  before do
+    stub_default_url_options(host: 'www.example.com')
+  end
+
   shared_examples 'full access to all repository-related fields' do
     describe 'repository-related fields' do
       before do
@@ -57,7 +68,7 @@ describe 'Query.project(fullPath).releases()' do
           { 'sha' => e.sha }
         end
 
-        expect(data).to eq({
+        expect(data).to eq(
           'tagName' => release.tag,
           'tagPath' => project_tag_path(project, release.tag),
           'name' => release.name,
@@ -72,8 +83,13 @@ describe 'Query.project(fullPath).releases()' do
           },
           'evidences' => {
             'nodes' => expected_evidences
+          },
+          'links' => {
+            'selfUrl' => project_release_url(project, release),
+            'mergeRequestsUrl' => project_merge_requests_url(project, params_for_issues_and_mrs),
+            'issuesUrl' => project_issues_url(project, params_for_issues_and_mrs)
           }
-        })
+        )
       end
     end
   end
@@ -85,7 +101,7 @@ describe 'Query.project(fullPath).releases()' do
       end
 
       it 'does not return data for fields that expose repository information' do
-        expect(data).to eq({
+        expect(data).to eq(
           'tagName' => nil,
           'tagPath' => nil,
           'name' => "Release-#{release.id}",
@@ -98,9 +114,76 @@ describe 'Query.project(fullPath).releases()' do
           },
           'evidences' => {
             'nodes' => []
+          },
+          'links' => nil
+        )
+      end
+    end
+  end
+
+  # editUrl is tested separately becuase its permissions
+  # are slightly different than other release fields
+  shared_examples 'access to editUrl' do
+    let(:query) do
+      graphql_query_for(:project, { fullPath: project.full_path },
+        %{
+          releases {
+            nodes {
+              links {
+                editUrl
+              }
+            }
           }
         })
     end
+
+    before do
+      post_query
+    end
+
+    it 'returns editUrl' do
+      expect(data).to eq(
+        'links' => {
+          'editUrl' => edit_project_release_url(project, release)
+        }
+      )
+    end
+  end
+
+  shared_examples 'no access to editUrl' do
+    let(:query) do
+      graphql_query_for(:project, { fullPath: project.full_path },
+        %{
+          releases {
+            nodes {
+              links {
+                editUrl
+              }
+            }
+          }
+        })
+    end
+
+    before do
+      post_query
+    end
+
+    it 'does not return editUrl' do
+      expect(data).to eq(
+        'links' => {
+          'editUrl' => nil
+        }
+      )
+    end
+  end
+
+  shared_examples 'no access to any release data' do
+    before do
+      post_query
+    end
+
+    it 'returns nil' do
+      expect(data).to eq(nil)
     end
   end
 
@@ -112,6 +195,13 @@ describe 'Query.project(fullPath).releases()' do
       before_all do
         project.add_guest(guest)
         project.add_reporter(reporter)
+        project.add_developer(developer)
+      end
+
+      context 'when the user is not logged in' do
+        let(:current_user) { stranger }
+
+        it_behaves_like 'no access to any release data'
       end
 
       context 'when the user has Guest permissions' do
@@ -124,6 +214,14 @@ describe 'Query.project(fullPath).releases()' do
         let(:current_user) { reporter }
 
         it_behaves_like 'full access to all repository-related fields'
+        it_behaves_like 'no access to editUrl'
+      end
+
+      context 'when the user has Developer permissions' do
+        let(:current_user) { developer }
+
+        it_behaves_like 'full access to all repository-related fields'
+        it_behaves_like 'access to editUrl'
       end
     end
 
@@ -134,18 +232,35 @@ describe 'Query.project(fullPath).releases()' do
       before_all do
         project.add_guest(guest)
         project.add_reporter(reporter)
+        project.add_developer(developer)
       end
 
       context 'when the user is not logged in' do
         let(:current_user) { stranger }
 
         it_behaves_like 'full access to all repository-related fields'
+        it_behaves_like 'no access to editUrl'
       end
 
       context 'when the user has Guest permissions' do
         let(:current_user) { guest }
 
         it_behaves_like 'full access to all repository-related fields'
+        it_behaves_like 'no access to editUrl'
+      end
+
+      context 'when the user has Reporter permissions' do
+        let(:current_user) { reporter }
+
+        it_behaves_like 'full access to all repository-related fields'
+        it_behaves_like 'no access to editUrl'
+      end
+
+      context 'when the user has Developer permissions' do
+        let(:current_user) { developer }
+
+        it_behaves_like 'full access to all repository-related fields'
+        it_behaves_like 'access to editUrl'
       end
     end
   end