Rename CustomFilter into ModelFilter and add email filter

Author: tb

app/concerns/custom_filter.rb renamed to app/concerns/model_filter.rb

@@ -1,14 +1,14 @@
 # see https://github.com/cerebris/jsonapi-resources/issues/460
-module CustomFilter
-  def custom_filter(name, opts = {})
+module ModelFilter
+  def model_filter(name, opts = {})
     opts[:apply] = ->(records, value, _options) do
       records.public_send(name, value)
     end
 
     filter name, opts
   end
 
-  def custom_filters(*names)
-    names.each { |name| custom_filter(name, names.extract_options!) }
+  def model_filters(*names)
+    names.each { |name| model_filter(name, names.extract_options!) }
   end
 end

app/models/user.rb

@@ -4,4 +4,6 @@ class User < ActiveRecord::Base
           :recoverable, :rememberable, :trackable, :validatable,
           :confirmable
   include DeviseTokenAuth::Concerns::User
+
+  scope :email_contains, -> (value) { where('email ILIKE ?', "%#{value.join}%") }
 end

app/resources/post_resource.rb

@@ -1,5 +1,5 @@
 class PostResource < JSONAPI::Resource
-  extend CustomFilter
+  extend ModelFilter
 
   attributes :title, :created_at, :parts
 
@@ -9,5 +9,5 @@ class PostResource < JSONAPI::Resource
   paginator :paged
 
   filters :category
-  custom_filter :title_contains
+  model_filters :title_contains
 end

app/resources/user_resource.rb

@@ -1,5 +1,7 @@
 class UserResource < JSONAPI::Resource
+  extend ModelFilter
   attributes :email, :confirmed_at
 
   paginator :paged
+  model_filters :email_contains
 end