Refactor release code a bit

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/projects/releases_controller.rb

@@ -10,9 +10,7 @@ class Projects::ReleasesController < Projects::ApplicationController
   end
 
   def update
-    description = params[:release][:description]
-    release.update_attributes(description: description)
-    release.save
+    release.update_attributes(release_params)
 
     redirect_to namespace_project_tag_path(@project.namespace, @project, @tag.name)
   end
@@ -26,4 +24,8 @@ class Projects::ReleasesController < Projects::ApplicationController
   def release
     @release ||= @project.releases.find_or_initialize_by(tag: @tag.name)
   end
+
+  def release_params
+    params.require(:release).permit(:description)
+  end
 end

app/controllers/projects/tags_controller.rb

@@ -24,12 +24,6 @@ class Projects::TagsController < Projects::ApplicationController
     if result[:status] == :success
       @tag = result[:tag]
 
-      if params[:release_description]
-        release = @project.releases.find_or_initialize_by(tag: @tag.name)
-        release.update_attributes(description: params[:release_description])
-        release.save
-      end
-
       redirect_to namespace_project_tag_path(@project.namespace, @project, @tag.name)
     else
       @error = result[:message]
@@ -39,8 +33,6 @@ class Projects::TagsController < Projects::ApplicationController
 
   def destroy
     DeleteTagService.new(project, current_user).execute(params[:id])
-    release = project.releases.find_by(tag: params[:id])
-    release.destroy if release
 
     redirect_to namespace_project_tags_path(@project.namespace, @project)
   end

app/models/release.rb

 class Release < ActiveRecord::Base
   belongs_to :project
 
-  validates :description, :project, presence: true
+  validates :description, :project, :tag, presence: true
 end

app/services/create_tag_service.rb

 require_relative 'base_service'
 
 class CreateTagService < BaseService
-  def execute(tag_name, ref, message)
+  def execute(tag_name, ref, message, release_description = nil)
     valid_tag = Gitlab::GitRefValidator.validate(tag_name)
     if valid_tag == false
       return error('Tag name invalid')
@@ -19,8 +19,12 @@ class CreateTagService < BaseService
     new_tag = repository.find_tag(tag_name)
 
     if new_tag
-      push_data = create_push_data(project, current_user, new_tag)
+      if release_description
+        release = project.releases.find_or_initialize_by(tag: tag_name)
+        release.update_attributes(description: release_description)
+      end
 
+      push_data = create_push_data(project, current_user, new_tag)
       EventCreateService.new.push(project, current_user, push_data)
       project.execute_hooks(push_data.dup, :tag_push_hooks)
       project.execute_services(push_data.dup, :tag_push_hooks)

app/services/delete_tag_service.rb

@@ -11,8 +11,10 @@ class DeleteTagService < BaseService
     end
 
     if repository.rm_tag(tag_name)
-      push_data = build_push_data(tag)
+      release = project.releases.find_by(tag: tag_name)
+      release.destroy if release
 
+      push_data = build_push_data(tag)
       EventCreateService.new.push(project, current_user, push_data)
       project.execute_hooks(push_data.dup, :tag_push_hooks)
       project.execute_services(push_data.dup, :tag_push_hooks)