Service model callbacks

app/services/application_service.rb

@@ -4,6 +4,38 @@ class ApplicationService
   include ActiveModel::Model
   include ActiveModel::Attributes
 
+  define_model_callbacks :perform
+  define_model_callbacks :success, only: [:after]
+  define_model_callbacks :failure, only: [:after]
+
+  @prepend_methods = Module.new do
+    def perform(...)
+      status = run_callbacks :perform do
+        super(...)
+      end
+
+      if status
+        run_callbacks :success
+      else
+        run_callbacks :failure
+      end
+
+      status
+    end
+  end
+
+  def self.inherited(subclass)
+    super
+    subclass.prepend @prepend_methods
+  end
+
+  before_perform do
+    if invalid?
+      logger.debug 'Validation failed'
+      throw :abort
+    end
+  end
+
   def perform
     # Override this
   end
@@ -13,4 +45,8 @@ class ApplicationService
   def save(model)
     model.save.tap { @errors = model.errors }
   end
+
+  def logger
+    @logger ||= ActiveSupport::TaggedLogging.new(Rails.logger).tagged(self.class.name)
+  end
 end

app/services/tasks/create.rb

@@ -7,7 +7,7 @@ module Tasks
     attribute :description, :string
     attribute :status_id, :integer
 
-    validates :project_id, :title, presence: true
+    validates :project_id, :title, :status_id, presence: true
 
     delegate :model_name, to: Task