foodsoft/plugins/messages/app/models/message.rb

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require "base32"
class Message < ApplicationRecord
belongs_to :sender, class_name: 'User', foreign_key: 'sender_id'
belongs_to :group, optional: true, class_name: 'Group', foreign_key: 'group_id'
belongs_to :reply_to_message, optional: true, class_name: 'Message', foreign_key: 'reply_to'
has_many :message_recipients, dependent: :destroy
has_many :recipients, through: :message_recipients, source: :user
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attr_accessor :send_method, :recipient_tokens, :order_id
scope :threads, -> { where(:reply_to => nil) }
scope :thread, ->(id) { where("id = ? OR reply_to = ?", id, id) }
scope :readable_for, ->(user) {
user_id = user.try(&:id)
joins(:message_recipients)
.where('private = ? OR sender_id = ? OR message_recipients.user_id = ?', false, user_id, user_id)
.distinct
}
validates_presence_of :message_recipients, :subject, :body
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validates_length_of :subject, :in => 1..255
has_rich_text :body
after_initialize do
@recipients_ids ||= []
@send_method ||= 'recipients'
end
before_create :create_salt
before_validation :create_message_recipients, on: :create
def create_message_recipients
user_ids = @recipients_ids
user_ids += User.undeleted.pluck(:id) if send_method == 'all'
user_ids += Group.find(group_id).users.pluck(:id) unless group_id.blank?
user_ids += Order.find(order_id).users_ordered.pluck(:id) if send_method == 'order'
user_ids.uniq.each do |user_id|
recipient = MessageRecipient.new message: self, user_id: user_id
message_recipients << recipient
end
end
def add_recipients(users)
@recipients_ids += users
end
def group_id=(group_id)
group = Group.find(group_id) unless group_id.blank?
if group
@send_method = 'workgroup' if group.type == 'Workgroup'
@send_method = 'ordergroup' if group.type == 'Ordergroup'
@send_method = 'messagegroup' if group.type == 'Messagegroup'
end
super
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end
def workgroup_id
group_id if send_method == 'workgroup'
end
def ordergroup_id
group_id if send_method == 'ordergroup'
end
def messagegroup_id
group_id if send_method == 'messagegroup'
end
def workgroup_id=(workgroup_id)
self.group_id = workgroup_id if send_method == 'workgroup'
end
def ordergroup_id=(ordergroup_id)
self.group_id = ordergroup_id if send_method == 'ordergroup'
end
def messagegroup_id=(messagegroup_id)
self.group_id = messagegroup_id if send_method == 'messagegroup'
end
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def order_id=(order_id)
@order_id = order_id
@send_method ||= 'order'
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end
def recipient_tokens=(ids)
@recipient_tokens = ids
@recipients_ids = ids.split(',').map(&:to_i)
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end
def mail_to=(user_id)
@recipients_ids = [user_id]
end
def mail_hash_for_user(user)
digest = Digest::SHA1.new
digest.update self.id.to_s
digest.update ":"
digest.update salt
digest.update ":"
digest.update user.id.to_s
Base32.encode digest.digest
end
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# Returns true if this message is a system message, i.e. was sent automatically by Foodsoft itself.
def system_message?
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self.sender_id.nil?
end
def sender_name
system_message? ? I18n.t('layouts.foodsoft') : sender.display rescue "?"
end
def recipients_ids
@recipients_ids
end
def last_reply
Message.where(reply_to: self.id).order(:created_at).last
end
def is_readable_for?(user)
!private || sender == user || message_recipients.where(user: user).any?
end
def can_toggle_private?(user)
return true if sender == user
return false if private?
user.role_admin?
end
private
def create_salt
self.salt = [Array.new(6) { rand(256).chr }.join].pack("m").chomp
end
end