Adds project_id and project_path to group api

Adds fields to group package api

ee/changelogs/unreleased/35527-add-group-package-api-fields.yml

+---
+title: Adds project_id and project_path to package group api
+merge_request: 22089
+author:
+type: added

ee/lib/api/group_packages.rb

@@ -29,7 +29,7 @@ module API
           exclude_subgroups: params[:exclude_subgroups]
         ).execute
 
-        present paginate(packages), with: EE::API::Entities::Package
+        present paginate(packages), with: EE::API::Entities::Package, user: current_user, group: true
       end
     end
   end

ee/lib/ee/api/entities.rb

@@ -885,6 +885,14 @@ module EE
         end
 
         expose :created_at
+        expose :project_id, if: ->(_, opts) { opts[:group] }
+        expose :project_path, if: ->(_, opts) { opts[:group] }
+
+        private
+
+        def project_path
+          object.project.root_namespace.path
+        end
       end
 
       class PackageFile < Grape::Entity

ee/spec/fixtures/api/schemas/public_api/v4/packages/group_package.json

+{
+  "type": "object",
+  "required": ["name", "version", "package_type", "_links", "project_id", "project_path"],
+  "properties": {
+    "name": {
+      "type": "string"
+    },
+    "version": {
+      "type": "string"
+    },
+    "package_type": {
+      "type": "string"
+    },
+    "_links": {
+      "type": "object",
+      "required": ["web_path"],
+      "properties": {
+        "details": {
+          "type": "string"
+        }
+      }
+    },
+    "created_at": {
+      "type": "string"
+    },
+    "project_id": {
+      "type": "integer"
+    },
+    "project_path": {
+      "type": "string"
+    }
+  }
+}

ee/spec/fixtures/api/schemas/public_api/v4/packages/group_packages.json

+{
+  "type": "array",
+  "items": { "$ref": "./group_package.json" }
+}

ee/spec/requests/api/group_packages_spec.rb

@@ -13,6 +13,7 @@ describe API::GroupPackages do
 
   describe 'GET /groups/:id/packages' do
     let(:url) { "/groups/#{group.id}/packages" }
+    let(:package_schema) { 'public_api/v4/packages/group_packages' }
 
     context 'with packages feature enabled' do
       before do

ee/spec/requests/api/project_packages_spec.rb

@@ -14,6 +14,7 @@ describe API::ProjectPackages do
 
   describe 'GET /projects/:id/packages' do
     let(:url) { "/projects/#{project.id}/packages" }
+    let(:package_schema) { 'public_api/v4/packages/packages' }
 
     subject { get api(url) }
 

ee/spec/support/shared_examples/packages_shared_examples.rb

@@ -27,7 +27,7 @@ shared_examples 'returns packages' do |container_type, user_type|
     it 'returns a valid response schema' do
       subject
 
-      expect(response).to match_response_schema('public_api/v4/packages/packages', dir: 'ee')
+      expect(response).to match_response_schema(package_schema, dir: 'ee')
     end
 
     it 'returns two packages' do
@@ -54,7 +54,7 @@ shared_examples 'returns packages with subgroups' do |container_type, user_type|
     it 'returns a valid response schema' do
       subject
 
-      expect(response).to match_response_schema('public_api/v4/packages/packages', dir: 'ee')
+      expect(response).to match_response_schema(package_schema, dir: 'ee')
     end
 
     it 'returns three packages' do