lib/permission_settings/patcher.rb in permission_settings-1.0.2 vs lib/permission_settings/patcher.rb in permission_settings-1.0.4

@@ -1,8 +1,10 @@
 # frozen_string_literal: true
 
 # require 'byebug'
+require 'active_record'
+require 'rails-settings'
 require_relative 'verify_instance'
 
 module PermissionSettings
   # Class that defines core functionality
   class Patcher
@@ -15,16 +17,29 @@
     def self.call(klass)
       new(klass).call
     end
 
     def call
+      check_permissions_dir
       setup_settings_interface
       setup_instance_verification
+      setup_permissions_method
     end
 
     private
 
+    def check_permissions_dir
+      path = PermissionSettings.configuration.permissions_dir_path
+      return if Dir.exist?(path)
+
+      raise PermissionSettings::Configuration::PermissionsDirNotFound, dir_missing_message(path)
+    end
+
+    def dir_missing_message(path)
+      "Permissions config directory not found. Please create a directory at #{path} and add permission files there."
+    end
+
     def setup_settings_interface
       klass.class_eval do
         has_settings do |s|
           s.key PermissionSettings.configuration.scope_name(self),
                 defaults: PermissionSettings.configuration.load_permissions_file(self)
@@ -39,9 +54,22 @@
         define_method(:can?) do |*keys, resource: nil, &block|
           PermissionSettings::VerifyInstance.call(keys,
                                                   role: send(role_method),
                                                   resource: resource,
                                                   &block)
+        end
+      end
+    end
+
+    def setup_permissions_method
+      klass.class_eval do
+        define_method(:permissions) do
+          scope = PermissionSettings.configuration.scope_name(self.class)
+          settings(scope).then do |permissions|
+            return ActiveSupport::HashWithIndifferentAccess.new(permissions.value) if permissions.value.present?
+
+            ActiveSupport::HashWithIndifferentAccess.new(default_settings[scope])
+          end
         end
       end
     end
   end
 end