Add representation formats to project API

docs/api/apiv3/components/schemas/list_projects_model.yml

@@ -5,6 +5,15 @@ example:
   _links:
     self:
       href: "/api/v3/projects"
+    representations:
+      - href: "/projects.csv?filters=%5B%7B%22nameAndIdentifier%22%3A%7B%22operator%22%3A%22%3D%22%2C%22values%22%3A%5B%22open%22%5D%7D%7D%5D&offset=1&pageSize=50",
+        identifier: "csv",
+        type: "text/csv",
+        title: "CSV"
+      - href: "/projects.xls?filters=%5B%7B%22nameAndIdentifier%22%3A%7B%22operator%22%3A%22%3D%22%2C%22values%22%3A%5B%22open%22%5D%7D%7D%5D&offset=1&pageSize=50",
+        identifier: "xls",
+        type: "application/vnd.ms-excel",
+        title: "XLS"
   _type: Collection
   total: 2
   count: 2

lib/api/v3/projects/project_collection_representer.rb

@@ -36,11 +36,11 @@ require 'roar/json/hal'
 module API
   module V3
     module Projects
-      class ProjectCollectionRepresenter <  ::API::Decorators::OffsetPaginatedCollection
+      class ProjectCollectionRepresenter < ::API::Decorators::OffsetPaginatedCollection
         self.to_eager_load = ::API::V3::Projects::ProjectRepresenter.to_eager_load
         self.checked_permissions = ::API::V3::Projects::ProjectRepresenter.checked_permissions
 
-        def initialize(models, **options)
+        def initialize(represented, self_link:, current_user:, query: {}, page: nil, per_page: nil, groups: nil)
           super
 
           @represented = ::API::V3::Projects::ProjectEagerLoadingWrapper.wrap(represented)

modules/backlogs/spec/models/work_package_export_spec.rb

@@ -28,7 +28,7 @@
 
 require File.expand_path(File.dirname(__FILE__) + '/../spec_helper')
 
-describe WorkPackage::Exporter::PDF, type: :model do
+describe WorkPackage::PDFExport::WorkPackageToPdf, type: :model do
   let(:project) { FactoryBot.create :project }
   let(:query) { Query.new_default(name: '_', project: project) }
   subject { described_class.new query }
@@ -39,7 +39,7 @@ describe WorkPackage::Exporter::PDF, type: :model do
 
   describe 'backlogs column' do
     it 'should contain the story_points column in valid export column names' do
-      backlog_column = subject.valid_export_columns.detect { |c| c.name == :story_points }
+      backlog_column = subject.columns.detect { |c| c.name == :story_points }
       expect(backlog_column).to be_present
     end
   end

spec/lib/api/v3/projects/project_collection_representer_spec.rb

@@ -29,17 +29,49 @@
 require 'spec_helper'
 
 describe ::API::V3::Projects::ProjectCollectionRepresenter do
-  let(:self_link) { '/api/v3/versions/1/projects' }
-  let(:projects) { FactoryBot.build_list(:project, 3) }
+  shared_let(:projects) { FactoryBot.create_list(:project, 3) }
+
+  let(:self_base_link) { '/api/v3/projects' }
   let(:current_user) { FactoryBot.build(:user) }
   let(:representer) do
-    described_class.new(projects, self_link: self_link, current_user: current_user)
+    described_class.new Project.all,
+                        self_link: self_base_link,
+                        current_user: current_user
   end
+  let(:total) { 3 }
+  let(:page) { 1 }
+  let(:page_size) { 30 }
+  let(:actual_count) { 3 }
+  let(:collection_inner_type) { 'Project' }
+
+  subject { representer.to_json }
 
   context 'generation' do
     subject(:collection) { representer.to_json }
 
-    it_behaves_like 'unpaginated APIv3 collection', 3, 'versions/1/projects', 'Project'
+    it_behaves_like 'offset-paginated APIv3 collection', 3, 'projects', 'Project'
+  end
+
+  describe 'representation formats' do
+    it_behaves_like 'has a link collection' do
+      let(:link) { 'representations' }
+      let(:hrefs) do
+        [
+          {
+            'href' => '/projects.csv?offset=1&pageSize=30',
+            'identifier' => 'csv',
+            'type' => 'text/csv',
+            'title' => 'CSV'
+          },
+          {
+            'href' => '/projects.xls?offset=1&pageSize=30',
+            'identifier' => 'xls',
+            'type' => 'application/vnd.ms-excel',
+            'title' => 'XLS'
+          }
+        ]
+      end
+    end
   end
 
   describe '.checked_permissions' do