Added dump to yml and load from yml abilities for roles.

app/controllers/roles_controller.rb

@@ -51,7 +51,37 @@ class RolesController < ApplicationController
     flash[:notice] = t("flash.role.destroyed")
     redirect_to roles_path
   end
-  
+
+  def get_dump
+    file = Role.save_dump
+    send_file file, :type => 'text/plain'
+  end
+
+  def load_from_dump
+    flag = true
+    puts params.inspect
+    puts File.extname(params[:file].original_filename)
+    unless ['.yml', '.yaml'].include? File.extname(params[:file].original_filename)
+      flash[:error] = t("layout.roles.wrong_file_type")
+      flag = false
+    end
+    if flag
+      t = YAML.load params[:file].tempfile
+      unless t.is_a? Hash and t[:Roles]
+        flash[:error] = t("layout.roles.wrong_file_format")
+        flag = false
+      else
+        begin
+          Role.all_from_dump! t
+          flash[:notice] = t("layout.roles.successful_load")
+        rescue
+          flash[:error] = t("layout.roles.seeding_fail")
+        end
+      end
+    end
+    redirect_to :back
+  end
+
   protected
     def find_role
       @role = Role.find(params[:id])

app/models/role.rb

@@ -6,4 +6,67 @@ class Role < ActiveRecord::Base
   serialize :can_see, Hash
 
   validate :name, :presence => true
+
+  def to_dump
+    tmp = attributes.reject {|k,v| ['created_at', 'updated_at'].include? k}
+    tmp['rights'] = rights.inject({}) do |h, right|
+      h[right.controller] ||= []
+      h[right.controller] << right.action
+      h[right.controller].uniq!
+      h
+    end
+    return tmp
+  end
+
+  class << self
+
+    def save_dump filename = 'config/roles.yml'
+      fn = File.expand_path filename
+      File.open (fn, 'w'){|f| f.puts dump_roles}
+      return filename
+    end
+
+    def dump_roles
+      roles = Role.find(:all, :include => :rights)
+      roles = roles.map(&:to_dump)
+      return {:Roles => roles}.to_yaml
+    end
+
+
+    def all_from_dump! dump_hash
+      arr = []
+      dump_hash[:Roles].each do |role|
+        arr << from_dump!(role)
+      end
+      arr
+    end
+
+    def all_from_dump dump_hash
+      arr = []
+      dump_hash[:Roles].each do |role|
+        arr << from_dump(role)
+      end
+      arr
+    end
+
+    def from_dump! fields
+      from_dump(fields).save
+    end
+
+    def from_dump fields
+      rights = fields.delete('rights')
+      a = find(fields['id']) || new
+      a.rights = []
+      a.attributes = fields
+      rights.each do |con, acts|
+        acts.each do |act|
+          unless r = Right.where(:controller => con, :action => act)
+            r = Right.create(:controller => con, :action => act)
+          end
+          a.rights << r
+        end
+      end
+      return a
+    end
+  end
 end

app/views/roles/index.html.haml

@@ -7,24 +7,32 @@
     %h2.title
       = t("layout.roles.list_header")
     .inner
-    -unless @roles.empty?
-      %table.table
-        %tr
-          %th.first ID
-          %th= t("activerecord.attributes.role.name")
-          %th.last  
-        - @roles.each do |role|
-          %tr{:class => cycle("odd", "even")}
-            %td
-              = role.id
-            %td
-              = link_to role.name, role_path(role)
-            %td.last
-              #{link_to t("layout.show"), role_path(role)} | #{link_to t("layout.edit"), edit_role_path(role)} | #{link_to t("layout.delete"), role_path(role), :method => :delete, :confirm => t("layout.roles.confirm_delete")}
-      .actions-bar.wat-cf
-        .actions
-    -else
-      .inner
-        %label.label Роли отсутствуют, 
-        = link_to "создать новую роль", new_role_path
+      .group
+        = button_to t("layout.roles.get_dump"), {:controller => :roles, :action => :get_dump},
+          {:style => 'float: left; margin-right: 30px'}
+        = form_tag url_for(:controller => :roles, :action => :load_from_dump), :multipart => true do
+          = label_tag :file, t("layout.roles.from_file") + ':'
+          = file_field_tag :file
+          = submit_tag t("layout.upload")
+        %br
+      -unless @roles.empty?
+        %table.table
+          %tr
+            %th.first ID
+            %th= t("activerecord.attributes.role.name")
+            %th.last  
+          - @roles.each do |role|
+            %tr{:class => cycle("odd", "even")}
+              %td
+                = role.id
+              %td
+                = link_to role.name, role_path(role)
+              %td.last
+                #{link_to t("layout.show"), role_path(role)} | #{link_to t("layout.edit"), edit_role_path(role)} | #{link_to t("layout.delete"), role_path(role), :method => :delete, :confirm => t("layout.roles.confirm_delete")}
+        .actions-bar.wat-cf
+          .actions
+      -else
+        .inner
+          %label.label Роли отсутствуют, 
+          = link_to "создать новую роль", new_role_path
 - content_for :sidebar, render(:partial => 'sidebar')

config/locales/ru.yml

@@ -21,6 +21,7 @@ ru:
     false_: Нет
     publish: Опубликовать
     add: Добавить
+    upload: Загрузить
 
     downloads:
       title: Статистика закачек пакетов
@@ -95,6 +96,15 @@ ru:
 
     roles:
       confirm_delete: Вы уверены, что хотите удалить эту роль?
+      list_header: Роли
+      list: Список
+      new: Создать
+      get_dump: Скачать в YML
+      from_file: Загрузить из файлa
+      wrong_file_type: Неверный тип файла
+      wrong_file_format: Неверный формат файла
+      successful_load: Все роли успешно загружены
+      seeding_fail: Ошибка при записи в базу
 
     event_logs:
       list: Список

config/routes.rb

@@ -9,7 +9,13 @@ Rosa::Application.routes.draw do
   
   resources :users
   
-  resources :roles
+  resources :roles do
+    collection do
+      get 'get_dump'
+      post 'get_dump'
+      post 'load_from_dump'
+    end
+  end
 
   resources :event_logs, :only => :index