System hooks execution moved to System hook service

app/services/system_hooks_service.rb

@@ -0,0 +1,55 @@
+class SystemHooksService
+  def self.execute_hooks_for(model, event)
+    execute_hooks(build_event_data(model, event))
+  end
+
+  private
+
+  def self.execute_hooks(data)
+    SystemHook.all.each do |sh|
+      sh.async_execute data
+    end
+  end
+
+  def self.build_event_data(model, event)
+    data = {
+      event_name: build_event_name(model, event),
+      created_at: model.created_at
+    }
+
+    case model
+    when Project
+      data.merge!({
+        name: model.name,
+        path: model.path,
+        project_id: model.id,
+        owner_name: model.owner.name,
+        owner_email: model.owner.email
+      })
+    when User
+      data.merge!({
+        name: model.name,
+        email: model.email
+      })
+    when UsersProject
+      data.merge!({
+        project_name: model.project.name,
+        project_path: model.project.path,
+        project_id: model.project_id,
+        user_name: model.user.name,
+        user_email: model.user.email,
+        project_access: model.repo_access_human
+      })
+    end
+  end
+
+  def self.build_event_name(model, event)
+    case model
+    when UsersProject
+      return "user_add_to_team"      if event == :create
+      return "user_remove_from_team" if event == :destroy
+    else
+      "#{model.class.name.downcase}_#{event.to_s}"
+    end
+  end
+end