[issue #565] Added feedback form.

*  Added web pages to send request
*  Added mailer to send feedback message.

app/assets/stylesheets/design/custom.scss

@@ -1172,3 +1172,141 @@ table.tablesorter tr td.no_results {
     text-align: center;
 }
 /* end */
+
+article div.all {
+    width: 860px;
+}
+
+div.inner-columns {
+    width: 100%;
+    height: auto;
+    display: block;
+}
+
+div.inner-columns:after {
+    clear: both;
+    content: ".";
+    display: block;
+    height: 0;
+    visibility: hidden;
+}
+
+div.inner-columns.equal section {
+    width: 430px;
+    float: left;
+}
+
+section.first div {
+    width: 415px;
+}
+
+form.inline_errors span.error {
+    display: inline-block;
+    color: #FF5050;
+}
+
+div.form-actions {
+    text-align: right;
+    padding-bottom: 5px;
+}
+
+div.form-actions .button {
+    margin-right: 50px;
+}
+
+dl.form, div.form-actions {
+    margin: 15px 0;
+}
+
+dl.form > dt {
+    margin: 0 0 6px;
+}
+
+dl.form > dt label {
+    color: #333333;
+    font-size: 14px;
+    font-weight: bold;
+    position: relative;
+}
+
+dl.form > dd {
+    margin: 0;
+    padding: 0;
+    border: 0, none;
+}
+
+dl.form > dd > input[type="text"],
+dl.form > dd > input[type="password"],
+dl.form > dd > textarea {
+  width: 350px;
+  border: 1px solid #A0A0A0;
+  border-radius: 4px;
+  padding: 5px;
+  font-family: Tahoma, Geneva, Helvetica, sans-serif;
+  font-size: 12px;
+}
+
+dl.form > dd > input.error[type="text"],
+dl.form > dd > input.error[type="password"],
+dl.form > dd > textarea.error {
+    border-color: #FF8080;
+}
+
+dl.form > dd > input[type="text"],
+dl.form > dd > input[type="password"] {
+  height: 16px;
+}
+
+dl.form > dd > textarea {
+  height: 110px;
+}
+
+ul.checklist {
+    font-size: 12px;
+    font-weight: bold;
+    margin: 20px 0;
+    padding: 0;
+}
+
+ul.checklist li {
+    background: image-url("check.png") no-repeat scroll 0 2px transparent;
+    list-style-type: none;
+    margin: 15px 0;
+    padding-left: 25px;
+}
+
+div.all.feedback_sended {
+    background: image-url("feedback.png") no-repeat scroll 49% 0 transparent;
+    height: 500px;
+    text-align: center;
+}
+
+article div.all.feedback_sended h1 {
+    font-size: 48px;
+    font-weight: normal;
+    margin: 165px 0 0;
+    padding: 0;
+}
+
+article div.all.feedback_sended h2 {
+    font-size: 18px;
+    font-weight: normal;
+    margin: 5px 0 0;
+    padding: 0;
+}
+article div.all.feedback_sended p.pages {
+    margin-top: 70px;
+    width: 280px;
+}
+
+article div.all.feedback_sended p.search {
+    margin-top: 80px;
+    width: 230px;
+}
+
+article div.all.feedback_sended p {
+    font-size: 14px;
+    margin: 0 auto;
+    padding: 0;
+    text-align: center;
+}

app/controllers/contacts_controller.rb

@@ -0,0 +1,22 @@
+# -*- encoding : utf-8 -*-
+class ContactsController < ApplicationController
+
+  def new
+    @form = Feedback.new(current_user)
+  end
+
+  def create
+    @form = Feedback.new(params[:feedback])
+    if @form.perform_send
+      flash[:notice] = I18n.t("flash.contact.success")
+      redirect_to sended_contact_path
+    else
+      flash[:error] = I18n.t("flash.contact.error")
+      render :new and return
+    end
+  end
+
+  def sended
+  end
+
+end

app/controllers/pages_controller.rb

@@ -24,4 +24,5 @@ class PagesController < ApplicationController
 
   def tos
   end
+
 end

app/helpers/application_helper.rb

@@ -14,6 +14,8 @@ module ApplicationHelper
       'right bigpadding'
     when controller_name == 'platforms' && action_name == 'clone'
       'right middlepadding'
+    when controller_name == 'contacts' && action_name == 'sended'
+      'all feedback_sended'
     else
       content_for?(:sidebar) ? 'right' : 'all'
     end

app/mailers/feedback_mailer.rb

@@ -0,0 +1,38 @@
+class FeedbackMailer < ActionMailer::Base
+  FBM_CONFIG = APP_CONFIG['feedback']
+
+  default :to  => FBM_CONFIG['email'],
+          :cc  => FBM_CONFIG['cc'],
+          :bcc => FBM_CONFIG['bcc']
+
+  include Resque::Mailer # send email async
+
+  def feedback_form_send(form_data)
+    @data = Feedback.new(form_data)
+
+    from = "#{@data.name} <#{@data.email}>"
+    subj = prepare_subject(@data.subject)
+
+    mail :from => from, :subject => subj
+  end
+
+  protected
+
+  def prepare_subject(subject)
+    res = ''
+    res << affix(FBM_CONFIG['subject_prefixes'])
+    res << subject
+    res << affix(FBM_CONFIG['subject_postfixes'])
+    # WOODOO magic. Change all space sequences to one space than remove trailing spaces.
+    res.gsub(/\s+/, ' ').gsub(/^\s|\s$/, '')
+    res
+  end
+
+  def affix(affixes)
+    res = ' '
+    res << Array(affixes).map{|e| "[#{e}]"}.join
+    res << ' '
+    res
+  end
+
+end

app/models/feedback.rb

@@ -0,0 +1,108 @@
+# This class is based on
+# https://github.com/rails/rails/blob/4da6e1cce2833474034fda0cbb67b2cc35e828da/activerecord/lib/active_record/validations.rb
+
+class Feedback
+  include ActiveModel::Conversion
+  include ActiveModel::Validations
+  include ActiveModel::Serializers::JSON
+  include ActiveModel::MassAssignmentSecurity
+  extend  ActiveModel::Naming
+
+  attr_accessor :name, :email, :subject, :message
+
+  attr_accessible :name, :email, :subject, :message
+
+  validates :name,    :presence => true
+  validates :email,   :presence => true,
+                      :format => { :with => /\A[^@]+@([^@\.]+\.)+[^@\.]+\z/, :allow_blank => false }
+  validates :subject, :presence => true
+  validates :message, :presence => true
+
+  def initialize(args = {}, options = {})
+    return args.dup if args.is_a? Feedback
+    if args.respond_to? :name and args.respond_to? :email
+      self.name, self.email = args.name, args.email
+    elsif args.respond_to? :each_pair
+      sanitize_for_mass_assignment(args, options[:as]).each_pair do |k, v|
+        send("#{k}=", v)
+      end
+    else
+      return false
+    end
+  end
+
+  # FIXME: Maybe rename to `save`?
+  def perform_send(options = {})
+    perform_validations(options) ? real_send : false
+  end
+
+  def perform_send!(options={})
+    perform_validations(options) ? real_send : raise(ActiveRecord::RecordInvalid.new(self))
+  end
+
+  def new_record?
+    true
+  end
+
+  def persisted?
+    false
+  end
+
+  def message_with_links
+    message.to_s.dup.auto_link
+  end
+
+  def attributes
+    %w{ name email subject message }.inject({}) do |h, e|
+      h.merge(e => send(e))
+    end
+  end
+
+  def to_s
+    str = "#<#{self.class} "
+    str += %w{ name email subject message }.inject('') do |s, e|
+      s << "#{e}: #{ send(e).inspect }, "; s
+    end
+    str[-2] = '>'
+    str[0..-1]
+  end
+
+  class << self
+
+    def create(attributes = nil, options = {}, &block)
+      if attributes.is_a?(Array)
+        attributes.collect { |attr| create!(attr, options, &block) }
+      else
+        object = new(attributes, options)
+        yield(object) if block_given?
+        object.perform_send
+        object
+      end
+    end
+
+    def create!(attributes = nil, options = {}, &block)
+      if attributes.is_a?(Array)
+        attributes.collect { |attr| create!(attr, options, &block) }
+      else
+        object = new(attributes, options)
+        yield(object) if block_given?
+        object.perform_send!
+        object
+      end
+    end
+
+  end
+
+  protected
+
+  def real_send
+    FeedbackMailer.feedback_form_send(self).deliver
+  end
+
+  def perform_validations(options={})
+    perform_validation = options[:validate] != false
+    perform_validation ? valid?(options[:context]) : true
+  end
+
+end
+Feedback.include_root_in_json = false

app/views/contacts/new.html.haml

@@ -0,0 +1,44 @@
+%h1= t("layout.contact.header")
+%p= t("layout.contact.subheader")
+
+%hr
+
+.inner-columns.equal
+  %section.first
+    %div
+      = form_for @form, :url => contact_path, :html => {:class => 'inline_errors'} do |f|
+
+        %dl.form
+          %dt= f.label :name, t("activerecord.attributes.user.name")
+          %dd
+            = f.text_field :name, :placeholder => t("layout.contact.placeholders.name"),
+                           :class => @form.errors.messages[:name].present? ? 'error' : ''
+
+        %dl.form
+          %dt= f.label :email, t("activerecord.attributes.user.email")
+          %dd
+            = f.text_field :email, :placeholder => t("layout.contact.placeholders.email"),
+                           :class => @form.errors.messages[:email].present? ? 'error' : ''
+
+        %dl.form
+          %dt= f.label :subject, t("layout.contact.subject")
+          %dd
+            = f.text_field :subject, :placeholder => t("layout.contact.placeholders.subject"),
+                           :class => @form.errors.messages[:subject].present? ? 'error' : ''
+
+        %dl.form
+          %dt= f.label :message, t("layout.contact.message")
+          %dd
+            = f.text_area  :message, :placeholder => t("layout.contact.placeholders.message"),
+                           :class => @form.errors.messages[:message].present? ? 'error' : ''
+
+        .form-actions
+          = f.submit t("layout.contact.send_request"), :class => 'button'
+
+  %section.last
+    %div
+      %h3= t("layout.contact.info.header")
+
+      %ul.checklist
+        - t("layout.contact.info.items").try(:each) do |item|
+          %li= item

app/views/contacts/sended.html.haml

@@ -0,0 +1,8 @@
+%h1= t("layout.contact.thanks")
+%h2= t("layout.contact.thanks_2")
+
+%p.pages
+  = t("layout.contact.open_pages")
+%p.search
+  = t("layout.contact.use_search")
+.both

app/views/feedback_mailer/feedback_form_send.html.haml

@@ -0,0 +1 @@
+= simple_format @data.message_with_links

app/views/feedback_mailer/feedback_form_send.text.erb

@@ -0,0 +1 @@
+<%= @data.message.chomp %>

config/locales/models/contact.en.yml

@@ -0,0 +1,32 @@
+en:
+  layout:
+    contact:
+      header: Contact us
+      subheader: We’re here to help with any questions or comments.
+      send_request: Send Request
+
+      thanks: Thanks for feedback!
+      thanks_2: Your request in progress.
+
+      open_pages: Please, continue your work
+      use_search: Try to find something cool?
+
+      placeholders:
+        name: Your name
+        email: user@example.com
+        subject: I want to say about ...
+        message: Problem description
+
+      subject: Subject
+      message: Message
+
+      info:
+        header: What's in a great support request?
+        items:
+          - "Be succinct, we'll ask if we need more info"
+          - "The name of the user, repository, build list etc you’re having troubles with"
+
+  flash:
+    contact:
+      success: Request successfully sended
+      error: Sending request failed

config/locales/models/contact.ru.yml

@@ -0,0 +1,32 @@
+ru:
+  layout:
+    contact:
+      header: Свяжитесь с нами
+      subheader: Мы готовы помочь вам с любыми вопросами и комментариями.
+      send_request: Отправить запрос
+
+      thanks: Спасибо за сообщение!
+      thanks_2: Мы уже начали работу.
+
+      open_pages: Продолжайте работу с системой
+      use_search: Воспользуйтесь поиском
+
+      placeholders:
+        name: Ваше имя
+        email: user@example.com
+        subject: Я хочу сказать о...
+        message: Описание проблемы
+
+      subject: Тема сообщения
+      message: Сообщение
+
+      info:
+        header: Каким должен быть хороший запрос?
+        items:
+          - "Будьте кратки. Если нам понадобится дополнительная информация, мы ее запросим."
+          - "Укажите, с чем у вас возникла проблема: имя пользователя, репозиторий, сборочный лист и т.д."
+
+  flash:
+    contact:
+      success: Запрос успешно отправлен
+      error: Не удалось отправить запрос

config/routes.rb

@@ -1,5 +1,10 @@
 # -*- encoding : utf-8 -*-
 Rosa::Application.routes.draw do
+  resource :contact, :only => [:new, :create, :sended] do
+    get '/' => 'contacts#new'
+    get :sended
+  end
+
   devise_scope :users do
     get '/users/auth/:provider' => 'users/omniauth_callbacks#passthru'
   end