foodsoft/app/models/message.rb

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# == Schema Information
#
# Table name: messages
#
# id :integer not null, primary key
# sender_id :integer
# recipients_ids :text
# subject :string(255) not null
# body :text
# email_state :integer default(0), not null
# private :boolean
# created_at :datetime
#
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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, :recipients_nicks
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named_scope :pending, :conditions => { :email_state => 0 }
named_scope :sent, :conditions => { :email_state => 1 }
named_scope :public, :conditions => {:private => false}
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# Values for the email_state attribute: :none, :pending, :sent, :failed
EMAIL_STATE = {
:pending => 0,
:sent => 1,
:failed => 2
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}
validates_presence_of :recipients_ids, :subject, :body
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validates_length_of :subject, :in => 1..255
validates_inclusion_of :email_state, :in => EMAIL_STATE.values
# clean up the recipients_ids
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def before_validation_on_create
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?
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end
def recipients_nicks=(nicks)
@recipients_nicks = nicks
add_recipients nicks.split(",").collect { |nick| User.find_by_nick(nick) }
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end
def recipient=(user)
@recipients_nicks = user.nick
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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
end
def recipients
User.find(recipients_ids)
end
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# Sends all pending messages that are to be send as emails.
def self.send_emails
messages = Message.pending
for message in messages
for recipient in message.recipients
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if recipient.settings['messages.sendAsEmail'] == "1" && !recipient.email.blank?
begin
Mailer.deliver_message(message, recipient)
rescue
logger.warn "Deliver failed for #{recipient.nick}: #{recipient.email}"
end
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end
end
message.update_attribute(:email_state, 1)
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end
end
end