Add Bcf Topic DeleteService and DeleteEndpoint

app/services/base_services/base_contracted.rb

@@ -88,5 +88,9 @@ module BaseServices
     def default_contract_class
       raise NotImplementedError
     end
+
+    def namespace
+      self.class.name.deconstantize.pluralize
+    end
   end
 end

app/services/base_services/delete.rb

@@ -49,7 +49,7 @@ module BaseServices
     protected
 
     def default_contract_class
-      "#{model.class.name.demodulize.pluralize}::DeleteContract".constantize
+      "#{namespace}::DeleteContract".constantize
     end
   end
 end

app/services/base_services/write.rb

@@ -73,10 +73,6 @@ module BaseServices
       raise NotImplementedError
     end
 
-    def namespace
-      self.class.name.deconstantize
-    end
-
     def instance_class
       namespace.singularize.constantize
     end

lib/api/utilities/endpoints/delete.rb

@@ -38,10 +38,12 @@ module API
 
         def initialize(model:,
                        instance_generator: default_instance_generator(model),
-                       process_service: nil)
+                       process_service: nil,
+                       api_name: model.name.demodulize)
           self.model = model
           self.instance_generator = instance_generator
           self.process_service = process_service || deduce_process_service
+          self.api_name = api_name
         end
 
         def mount
@@ -67,6 +69,7 @@ module API
         def render(call)
           if success?(call)
             yield
+            present_success(call)
           else
             present_error(call)
           end
@@ -78,7 +81,8 @@ module API
 
         attr_accessor :model,
                       :instance_generator,
-                      :process_service
+                      :process_service,
+                      :api_name
 
         private
 
@@ -86,21 +90,29 @@ module API
           fail ::API::Errors::ErrorBase.create_and_merge_errors(call.errors)
         end
 
+        def present_success(call)
+          # Handle success cases by subclasses
+        end
+
         def success?(call)
           call.success?
         end
 
         def deduce_process_service
-          "::#{deduce_namespace}::DeleteService".constantize
+          "::#{deduce_backend_namespace}::DeleteService".constantize
         end
 
-        def deduce_namespace
+        def deduce_backend_namespace
           demodulized_name.pluralize
         end
 
         def demodulized_name
           model.name.demodulize
         end
+
+        def deduce_api_namespace
+          api_name.pluralize
+        end
       end
     end
   end

modules/bcf/app/contracts/bcf/issues/delete_contract.rb

@@ -0,0 +1,34 @@
+#-- copyright
+# OpenProject is a project management system.
+# Copyright (C) 2012-2017 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2017 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+module Bcf::Issues
+  class DeleteContract < ::DeleteContract
+    delete_permission :manage_bcf
+
+  end
+end

modules/bcf/app/controllers/bcf/api/v2_1/endpoints/delete.rb

@@ -0,0 +1,54 @@
+#-- encoding: UTF-8
+
+#-- copyright
+# OpenProject is a project management system.
+# Copyright (C) 2012-2018 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2017 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See docs/COPYRIGHT.rdoc for more details.
+#++
+
+module Bcf::API::V2_1::Endpoints
+  class Delete < API::Utilities::Endpoints::Delete
+    include ModifyMixin
+
+    def render_success(call)
+      render_representer
+        .new(call.result)
+    end
+
+    def success_status
+      200
+    end
+
+    private
+
+    def render_representer
+      "::Bcf::API::V2_1::#{deduce_api_namespace}::SingleRepresenter".constantize
+    end
+
+    def deduce_process_service
+      "::Bcf::#{deduce_backend_namespace}::DeleteService".constantize
+    end
+  end
+end

modules/bcf/app/controllers/bcf/api/v2_1/topics_api.rb

@@ -75,6 +75,11 @@ module Bcf::API::V2_1
               .new(model: Bcf::Issue,
                    api_name: 'Topics')
               .mount
+
+        delete &::Bcf::API::V2_1::Endpoints::Delete
+              .new(model: Bcf::Issue,
+                   api_name: 'Topics')
+              .mount
       end
     end
   end

modules/bcf/app/services/bcf/issues/delete_service.rb

@@ -0,0 +1,49 @@
+#-- encoding: UTF-8
+
+#-- copyright
+# OpenProject is a project management system.
+# Copyright (C) 2012-2019 the OpenProject Foundation (OPF)
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
+# Copyright (C) 2006-2017 Jean-Philippe Lang
+# Copyright (C) 2010-2013 the ChiliProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+module Bcf::Issues
+  class DeleteService < ::BaseServices::Delete
+    private
+
+    def before_perform(params)
+      associated_wp = WorkPackage.find(model.work_package_id)
+      wp_call = WorkPackages::DeleteService
+                  .new(user: user,
+                       model: associated_wp.reload)
+                  .call(params)
+
+      if wp_call.success?
+        super(params)
+      else
+        wp_call
+      end
+    end
+  end
+end

modules/bcf/lib/open_project/bcf/engine.rb

@@ -48,7 +48,7 @@ module OpenProject::Bcf
                    dependencies: %i[view_work_packages]
         permission :manage_bcf,
                    { 'bcf/issues': %i[index upload prepare_import configure_import perform_import] },
-                   dependencies: %i[view_linked_issues view_work_packages add_work_packages edit_work_packages]
+                   dependencies: %i[view_linked_issues view_work_packages add_work_packages edit_work_packages delete_work_packages]
       end
 
       OpenProject::AccessControl.permission(:view_work_packages).actions << 'bcf/issues/redirect_to_bcf_issues_list'

modules/bcf/spec/requests/api/bcf/v2_1/topics_api_spec.rb

@@ -48,7 +48,12 @@ describe 'BCF 2.1 topics resource', type: :request, content_type: :json, with_ma
   let(:edit_member_user) do
     FactoryBot.create(:user,
                       member_in_project: project,
-                      member_with_permissions: %i[manage_bcf add_work_packages view_linked_issues])
+                      member_with_permissions: %i[manage_bcf add_work_packages view_linked_issues delete_work_packages])
+  end
+  let(:edit_work_package_member_user) do
+    FactoryBot.create(:user,
+                      member_in_project: project,
+                      member_with_permissions: %i[add_work_packages delete_work_packages])
   end
   let(:non_member_user) do
     FactoryBot.create(:user)
@@ -172,6 +177,59 @@ describe 'BCF 2.1 topics resource', type: :request, content_type: :json, with_ma
     end
   end
 
+  describe 'DELETE /api/bcf/2.1/projects/:project_id/topics/:uuid' do
+    let(:path) { "/api/bcf/2.1/projects/#{project.id}/topics/#{bcf_issue.uuid}" }
+    let(:current_user) { edit_member_user }
+
+    before do
+      login_as(current_user)
+      bcf_issue
+      work_package
+      delete path
+    end
+
+    it_behaves_like 'bcf api successful response' do
+      let(:expected_body) do
+        {
+          "assigned_to": assignee.mail,
+          "creation_author": work_package.author.mail,
+          "creation_date": work_package.created_at.iso8601,
+          "description": work_package.description,
+          "due_date": nil,
+          "guid": bcf_issue.uuid,
+          "index": bcf_issue.index,
+          "labels": bcf_issue.labels,
+          "priority": work_package.priority.name,
+          "modified_author": current_user.mail,
+          "modified_date": work_package.updated_at.iso8601,
+          "reference_links": [
+            api_v3_paths.work_package(work_package.id)
+          ],
+          "stage": bcf_issue.stage,
+          "title": work_package.subject,
+          "topic_status": work_package.status.name,
+          "topic_type": work_package.type.name
+        }
+      end
+    end
+
+    it 'deletes the Bcf Issue as well as the belonging Work Package' do
+      expect(WorkPackage.where(id: work_package.id)).to match_array []
+      expect(Bcf::Issue.where(id: bcf_issue.id)).to match_array []
+    end
+
+    context 'lacking permission to manage bcf' do
+      let(:current_user) { edit_work_package_member_user }
+
+      it_behaves_like 'bcf api not allowed response'
+
+      it 'deletes neither the Work Package nor the Bcf Issue' do
+        expect(WorkPackage.where(id: work_package.id)).to match_array [work_package]
+        expect(Bcf::Issue.where(id: bcf_issue.id)).to match_array [bcf_issue]
+      end
+    end
+  end
+
   describe 'POST /api/bcf/2.1/projects/:project_id/topics' do
     let(:path) { "/api/bcf/2.1/projects/#{project.id}/topics" }
     let(:current_user) { edit_member_user }