class Message < ActiveRecord::Base belongs_to :sender, :class_name => "User", :foreign_key => "sender_id" serialize :recipients_ids, Array attr_accessor :sent_to_all, :group_id, :recipient_tokens, :reply_to scope :pending, where(:email_state => 0) scope :sent, where(:email_state => 1) scope :public, where(:private => false) # Values for the email_state attribute: :none, :pending, :sent, :failed EMAIL_STATE = { :pending => 0, :sent => 1, :failed => 2 } validates_presence_of :recipients_ids, :subject, :body validates_length_of :subject, :in => 1..255 validates_inclusion_of :email_state, :in => EMAIL_STATE.values before_validation :clean_up_recipient_ids, :on => :create def self.deliver(message_id) find(message_id).deliver end def clean_up_recipient_ids self.recipients_ids = recipients_ids.uniq.reject { |id| id.blank? } unless recipients_ids.nil? self.recipients_ids = User.all.collect(&:id) if sent_to_all == "1" end def add_recipients(users) self.recipients_ids = [] if recipients_ids.blank? self.recipients_ids += users.collect(&:id) unless users.blank? end def group_id=(group_id) @group_id = group_id add_recipients Group.find(group_id).users unless group_id.blank? end def recipient_tokens=(ids) @recipient_tokens = ids add_recipients ids.split(",").collect { |id| User.find(id) } end def reply_to=(message_id) @reply_to = Message.find(message_id) add_recipients([@reply_to.sender]) self.subject = "Re: #{@reply_to.subject}" self.body = "#{@reply_to.sender.nick} schrieb am #{I18n.l(@reply_to.created_at, :format => :short)}:\n" @reply_to.body.each_line{ |l| self.body += "> #{l}" } end def mail_to=(user_id) user = User.find(user_id) add_recipients([user]) end # Returns true if this message is a system message, i.e. was sent automatically by the FoodSoft itself. def system_message? self.sender_id.nil? end def sender_name system_message? ? 'Foodsoft' : sender.nick rescue "??" end def recipients User.find(recipients_ids) end def deliver for user in recipients if user.receive_email? begin Mailer.foodsoft_message(self, user).deliver rescue Rails.logger.warn "Deliver failed for #{user.nick}: #{user.email}" end end end update_attribute(:email_state, 1) end def is_readable_for?(user) !private || sender == user || recipients_ids.include?(user.id) end end