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