Return 204 for delete endpoints

Gemfile

@@ -68,7 +68,7 @@ gem 'gollum-rugged_adapter', '~> 0.4.2', require: false
 gem 'github-linguist', '~> 4.7.0', require: 'linguist'
 # API
-gem 'grape',        '~> 0.18.0'
+gem 'grape',        '~> 0.19.0'
 gem 'grape-entity', '~> 0.6.0'
 gem 'rack-cors',    '~> 0.4.0', require: 'rack/cors'

Gemfile.lock

@@ -304,7 +304,7 @@ GEM
       multi_json (~> 1.11)
       os (~> 0.9)
       signet (~> 0.7)
-    grape (0.18.0)
+    grape (0.19.1)
       activesupport
       builder
       hashie (>= 2.1.0)
@@ -353,8 +353,8 @@ GEM
       json (~> 1.8)
       multi_xml (>= 0.5.2)
     httpclient (2.8.2)
-    i18n (0.8.0)
-    ice_nine (0.11.1)
+    i18n (0.8.1)
+    ice_nine (0.11.2)
     influxdb (0.2.3)
       cause
       json
@@ -417,7 +417,7 @@ GEM
     minitest (5.7.0)
     mousetrap-rails (1.4.6)
     multi_json (1.12.1)
-    multi_xml (0.5.5)
+    multi_xml (0.6.0)
     multipart-post (2.0.0)
     mustermann (0.4.0)
       tool (~> 0.2)
@@ -758,7 +758,7 @@ GEM
       eventmachine (~> 1.0, >= 1.0.4)
       rack (>= 1, < 3)
     thor (0.19.4)
-    thread_safe (0.3.5)
+    thread_safe (0.3.6)
     tilt (2.0.6)
     timecop (0.8.1)
     timfel-krb5-auth (0.8.3)
@@ -886,7 +886,7 @@ DEPENDENCIES
   gollum-rugged_adapter (~> 0.4.2)
   gon (~> 6.1.0)
   google-api-client (~> 0.8.6)
-  grape (~> 0.18.0)
+  grape (~> 0.19.0)
   grape-entity (~> 0.6.0)
   haml_lint (~> 0.21.0)
   hamlit (~> 2.6.1)
@@ -1011,4 +1011,4 @@ DEPENDENCIES
   wikicloth (= 0.8.1)
 BUNDLED WITH
-   1.14.3
+   1.14.4

lib/api/award_emoji.rb

@@ -83,7 +83,6 @@ module API
             unauthorized! unless award.user == current_user || current_user.admin?
             award.destroy
-            present award, with: Entities::AwardEmoji
           end
         end
       end

lib/api/boards.rb

@@ -127,9 +127,7 @@ module API
           service = ::Boards::Lists::DestroyService.new(user_project, current_user)
-          if service.execute(list)
-            present list, with: Entities::List
-          else
+          unless service.execute(list)
             render_api_error!({ error: 'List could not be deleted!' }, 400)
           end
         end

lib/api/branches.rb

@@ -124,11 +124,7 @@ module API
         result = DeleteBranchService.new(user_project, current_user).
                  execute(params[:branch])
-        if result[:status] == :success
-          {
-            branch: params[:branch]
-          }
-        else
+        if result[:status] != :success
           render_api_error!(result[:message], result[:return_code])
         end
       end

lib/api/broadcast_messages.rb

@@ -91,7 +91,7 @@ module API
       delete ':id' do
         message = find_message
-        present message.destroy, with: Entities::BroadcastMessage
+        message.destroy
       end
     end
   end

lib/api/environments.rb

@@ -79,7 +79,7 @@ module API
         environment = user_project.environments.find(params[:environment_id])
-        present environment.destroy, with: Entities::Environment
+        environment.destroy
       end
     end
   end

lib/api/files.rb

@@ -118,10 +118,7 @@ module API
         file_params = declared_params(include_missing: false)
         result = ::Files::DestroyService.new(user_project, current_user, commit_params(file_params)).execute
-        if result[:status] == :success
-          status(200)
-          commit_response(file_params)
-        else
+        if result[:status] != :success
           render_api_error!(result[:message], 400)
         end
       end

lib/api/labels.rb

 module API
   class Labels < Grape::API
     include PaginationParams
-    
+
     before { authenticate! }
     params do
@@ -56,7 +56,7 @@ module API
         label = user_project.labels.find_by(title: params[:name])
         not_found!('Label') unless label
-        present label.destroy, with: Entities::Label, current_user: current_user, project: user_project
+        label.destroy
       end
       desc 'Update an existing label. At least one optional parameter is required.' do

lib/api/members.rb

@@ -93,24 +93,10 @@ module API
         end
         delete ":id/members/:user_id" do
           source = find_source(source_type, params[:id])
-          # This is to ensure back-compatibility but find_by! should be used
-          # in that casse in 9.0!
-          member = source.members.find_by(user_id: params[:user_id])
-
-          # This is to ensure back-compatibility but this should be removed in
-          # favor of find_by! in 9.0!
-          not_found!("Member: user_id:#{params[:user_id]}") if source_type == 'group' && member.nil?
-
-          # This is to ensure back-compatibility but 204 behavior should be used
-          # for all DELETE endpoints in 9.0!
-          if member.nil?
-            { message: "Access revoked", id: params[:user_id].to_i }
-          else
-            ::Members::DestroyService.new(source, current_user, declared_params).execute
-
-            present member.user, with: Entities::Member, member: member
-          end
+          # Ensure that memeber exists
+          source.members.find_by!(user_id: params[:user_id])
+          ::Members::DestroyService.new(source, current_user, declared_params).execute
         end
       end
     end

lib/api/notes.rb

@@ -132,8 +132,6 @@ module API
           authorize! :admin_note, note
           ::Notes::DestroyService.new(user_project, current_user).execute(note)
-
-          present note, with: Entities::Note
         end
       end
     end

lib/api/project_hooks.rb

@@ -90,12 +90,9 @@ module API
         requires :hook_id, type: Integer, desc: 'The ID of the hook to delete'
       end
       delete ":id/hooks/:hook_id" do
-        begin
-          present user_project.hooks.destroy(params[:hook_id]), with: Entities::ProjectHook
-        rescue
-          # ProjectHook can raise Error if hook_id not found
-          not_found!("Error deleting hook #{params[:hook_id]}")
-        end
+        hook = user_project.hooks.find(params.delete(:hook_id))
+
+        hook.destroy
       end
     end
   end

lib/api/projects.rb

@@ -353,7 +353,6 @@ module API
         not_found!('Group Link') unless link
         link.destroy
-        no_content!
       end
       desc 'Upload a file'

lib/api/runners.rb

@@ -78,9 +78,8 @@ module API
       delete ':id' do
         runner = get_runner(params[:id])
         authenticate_delete_runner!(runner)
-        runner.destroy!
-        present runner, with: Entities::Runner
+        runner.destroy!
       end
     end
@@ -136,8 +135,6 @@ module API
         forbidden!("Only one project associated with the runner. Please remove the runner instead") if runner.projects.count == 1
         runner_project.destroy
-
-        present runner, with: Entities::Runner
       end
     end

lib/api/services.rb

@@ -654,9 +654,7 @@ module API
           hash.merge!(key => nil)
         end
-        if service.update_attributes(attrs.merge(active: false))
-          true
-        else
+        unless service.update_attributes(attrs.merge(active: false))
           render_api_error!('400 Bad Request', 400)
         end
       end

lib/api/snippets.rb

@@ -118,9 +118,10 @@ module API
       delete ':id' do
         snippet = snippets_for_current_user.find_by(id: params.delete(:id))
         return not_found!('Snippet') unless snippet
+
         authorize! :destroy_personal_snippet, snippet
+
         snippet.destroy
-        no_content!
       end
       desc 'Get a raw snippet' do

lib/api/system_hooks.rb

@@ -66,7 +66,7 @@ module API
         hook = SystemHook.find_by(id: params[:id])
         not_found!('System hook') unless hook
-        present hook.destroy, with: Entities::Hook
+        hook.destroy
       end
     end
   end

lib/api/tags.rb

@@ -66,11 +66,7 @@ module API
         result = ::Tags::DestroyService.new(user_project, current_user).
           execute(params[:tag_name])
-        if result[:status] == :success
-          {
-            tag_name: params[:tag_name]
-          }
-        else
+        if result[:status] != :success
           render_api_error!(result[:message], result[:return_code])
         end
       end

lib/api/triggers.rb

@@ -93,8 +93,6 @@ module API
         return not_found!('Trigger') unless trigger
         trigger.destroy
-
-        present trigger, with: Entities::Trigger
       end
     end
   end

lib/api/users.rb

@@ -236,7 +236,7 @@ module API
         key = user.keys.find_by(id: params[:key_id])
         not_found!('Key') unless key
-        present key.destroy, with: Entities::SSHKey
+        key.destroy
       end
       desc 'Add an email address to a specified user. Available only for admins.' do
@@ -422,7 +422,7 @@ module API
         key = current_user.keys.find_by(id: params[:key_id])
         not_found!('Key') unless key
-        present key.destroy, with: Entities::SSHKey
+        key.destroy
       end
       desc "Get the currently authenticated user's email addresses" do