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path: root/help/app/models/ticket.rb
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class Ticket < CouchRest::Model::Base
  #include ActiveModel::Validations

  use_database "tickets"
  require 'securerandom'
=begin
    title
    created_at
    updated_at
    email_address
    user
    user_verified?
    admins (list of admins who have commented on the ticket)
    code (secret url)
=end

  #belongs_to :user #from leap_web_users. doesn't necessarily belong to a user though
  property :created_by, String, :protected => true #Integer #nil unless user was authenticated for ticket creation, #THIS should not be changed after being set
  #property :regarding_user, String#Integer # form cannot be submitted if they type in a username w/out corresponding ID. this field can be nil. for authenticated ticket creation by non-admins, should this just automatically be set to be same as created_by?  or maybe we don't use this field unless created_by is nil?
  #also, both created_by and regarding_user could be nil---say user forgets username, or has general question
  property :title, String
  property :email, String #verify

  #property :user_verified, TrueClass, :default => false #will be true exactly when user is set
  #admins
  #property :code, String, :protected => true # only should be set if created_by is nil #instead we will just use couchdb ID
  property :is_open, TrueClass, :default => true
  property :comments, [TicketComment]

  timestamps!

  #before_validation :set_created_by, :set_code, :set_email, :on => :create
  before_validation :set_email, :on => :create


  #named_scope :open, :conditions => {:is_open => true} #??

  design do
    #TODO--clean this all up
    view :by_is_open
    view :by_created_by

    view :by_updated_at #

    view :by_title, #test
      :map =>
      "function(doc) {
        emit(doc._id, doc);
       }"
    view :by_is_open_and_created_by
    view :by_updated_at_and_is_open,
      :map =>
      "function(doc) {
        if (doc['type'] == 'Ticket' && doc.is_open == true) {
          emit(doc.updated_at, doc);
        }
       }"
    view :by_updated_at_and_is_closed,
      :map =>
      "function(doc) {
        if (doc['type'] == 'Ticket' && doc.is_open == false) {
          emit(doc.updated_at, doc);
        }
       }"

  end

  validates :title, :presence => true
  #validates :comments, :presence => true #do we want it like this?


  # html5 has built-in validation which isn't ideal, as it says 'please enter an email address' for invalid email addresses, which implies an email address is required, and it is not.
  validates :email, :format => /\A([^@\s]+)@((?:[-a-z0-9]+\.)+[a-z]{2,})\Z/, :if => :email #email address is optional

  #TODO:
  #def set_created_by
  #  self.created_by = User.current if User.current
  #end

  def self.for_user(user, options)
    if options[:open_status] == 'open'
      Ticket.by_is_open_and_created_by.key([true, user.id])
    elsif options[:open_status] == 'closed'
      Ticket.by_is_open_and_created_by.key([false, user.id])
    else
      Ticket.by_created_by(:key => user.id)
    end
      #TODO---if, when logged in, user accessed unauthenticated ticket, then seems okay to list it in their list of tickets. Thus, include all tickets that the user has posted to, not just those that they created.
    # todo. presumably quite inefficent. sorts by updated_at increasing. would also make it an array, so pagination wouldn't work
    # @tickets = @tickets.sort{|x,y| x.updated_at <=> y.updated_at}
  end

  def self.for_admin(user, options)
    if options[:admin_status] == 'mine'
      self.tickets_by_admin(user.id) #returns Array so pagination does not work
    elsif options[:open_status] == 'open'
      Ticket.by_updated_at_and_is_open
      # Ticket.by_is_open.key(true) #returns CouchRest::Model::Designs::View
    elsif options[:open_status] == 'closed'
      Ticket.by_updated_at_and_is_closed
      # Ticket.by_is_open.key(false)   #returns CouchRest::Model::Designs::View
    else
      # Ticket.all  #returns CouchRest::Model::Designs::View
      Ticket.by_updated_at
    end
  end

  #returns Array which doesn't work for pagination, as it is now.
  def self.tickets_by_admin(id)
    admin_tickets = []
    tickets = Ticket.all
    tickets.each do |ticket|
      ticket.comments.each do |comment|
        if comment.posted_by == id and (params[:open_status] != 'open' or ticket.is_open) and (params[:open_status] != 'closed' or !ticket.is_open) #limit based on whether the ticket is open if open_status is set to open or closed
          admin_tickets << ticket
          break
        end
      end
    end
    # TODO. is this inefficent?:
    # this sorts by updated at increasing:
    admin_tickets.sort{|x,y| x.updated_at <=> y.updated_at}
  end

  def is_creator_validated?
    !!created_by
  end

=begin
  def set_code #let's not use this---can use same show url
    # ruby 1.9 provides url-safe option---this is not necessarily url-safe
    self.code = SecureRandom.hex(8) if !is_creator_validated?
  end
=end


  def set_email
    self.email = nil if self.email == ""
    # in controller set to be current users email if that exists
  end

  #not saving with close and reopen, as we will save in update when they are called.
  def close
    self.is_open = false
    #save
  end

  def reopen
    self.is_open = true
    #save
  end

  def commenters
    commenters = []
    self.comments.each do |comment|
      if comment.posted_by
        if user = User.find(comment.posted_by)
          commenters << user.login if user and !commenters.include?(user.login)
        else
          commenters << 'unknown user' if !commenters.include?('unknown user') #todo don't hardcode string 'unknown user'
        end
      else
        commenters << 'unauthenticated user' if !commenters.include?('unauthenticated user') #todo don't hardcode string 'unauthenticated user'
      end
    end
    commenters.join(', ')
  end

  def comments_attributes=(attributes)
    if attributes # could be empty as we will empty if nothing was typed in
      comment = TicketComment.new(attributes.values.first) #TicketComment.new(attributes)
      #comment.posted_by = User.current.id if User.current #we want to avoid User.current, and current_user won't work here. instead will set in tickets_controller
      # what about: comment.posted_by = self.updated_by  (will need to add ticket.updated_by)
      comment.posted_at = Time.now
      comments << comment
    end
  end

=begin
  def validate
    if email_address and not email_address.strip =~ RFC822::EmailAddress
      errors.add 'email', 'contains an invalid address'
    end
  end
=end
end