From 013f01dd47bcddd4a0d6dbe12b712b05713407c5 Mon Sep 17 00:00:00 2001
From: Guillermo Iguaran <guilleiguaran@gmail.com>
Date: Sun, 11 Feb 2018 01:11:25 -0500
Subject: [PATCH] Add a generator for Rails

---
 lib/generators/serializer/USAGE                 |  8 ++++++++
 .../serializer/serializer_generator.rb          | 17 +++++++++++++++++
 .../serializer/templates/serializer.rb.tt       |  6 ++++++
 3 files changed, 31 insertions(+)
 create mode 100644 lib/generators/serializer/USAGE
 create mode 100644 lib/generators/serializer/serializer_generator.rb
 create mode 100644 lib/generators/serializer/templates/serializer.rb.tt

diff --git a/lib/generators/serializer/USAGE b/lib/generators/serializer/USAGE
new file mode 100644
index 0000000..88ea169
--- /dev/null
+++ b/lib/generators/serializer/USAGE
@@ -0,0 +1,8 @@
+Description:
+    Generates a serializer for the given model.
+
+Example:
+    rails generate serializer Movie
+
+    This will create:
+        app/serializers/movie_serializer.rb
diff --git a/lib/generators/serializer/serializer_generator.rb b/lib/generators/serializer/serializer_generator.rb
new file mode 100644
index 0000000..6c8cf60
--- /dev/null
+++ b/lib/generators/serializer/serializer_generator.rb
@@ -0,0 +1,17 @@
+require 'rails/generators/base'
+
+class SerializerGenerator < Rails::Generators::NamedBase
+  source_root File.expand_path('templates', __dir__)
+
+  argument :attributes, type: :array, default: [], banner: 'field field'
+
+  def create_serializer_file
+    template 'serializer.rb.tt', File.join('app', 'serializers', class_path, "#{file_name}_serializer.rb")
+  end
+
+  private
+
+    def attributes_names
+      attributes.map { |a| a.name.to_sym.inspect }
+    end
+end
diff --git a/lib/generators/serializer/templates/serializer.rb.tt b/lib/generators/serializer/templates/serializer.rb.tt
new file mode 100644
index 0000000..90da6d6
--- /dev/null
+++ b/lib/generators/serializer/templates/serializer.rb.tt
@@ -0,0 +1,6 @@
+<% module_namespacing do -%>
+class <%= class_name %>Serializer
+  include FastJsonapi::ObjectSerializer
+  attributes <%= attributes_names.join(", ") %>
+end
+<% end -%>