summaryrefslogtreecommitdiff
path: root/app/models/call_forward.rb
blob: 0df2a353872b4ae4e7f56667401adaf5baf99d1a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
class CallForward < ActiveRecord::Base

  attr_accessor :to_voicemail, :hunt_group_id

  attr_accessible :call_forward_case_id, :timeout, 
                  :destination, :source, :depth, :active, :to_voicemail,
                  :hunt_group_id,
                  :call_forwardable_type, :call_forwardable_id,
                  :call_forwarding_destination, :position, :uuid,
                  :destinationable_type, :destinationable_id, 
                  :destination_phone_number, :destination_greeting 
  
  belongs_to :call_forwardable, :polymorphic => true
  belongs_to :destinationable, :polymorphic => true
  has_many :softkeys, :as => :softkeyable
  
  acts_as_list :scope => [ :call_forwardable_id, :call_forwardable_type, :call_forward_case_id ]

  validates_presence_of :call_forward_case_id
  validates_presence_of :destination, :if => Proc.new { |cf| cf.destinationable_type.to_s.downcase == 'phonenumber' || cf.destinationable_type.blank?  }

  validates_inclusion_of :destination,
    :in => [ nil, '' ],
    :if => Proc.new { |cf| cf.to_voicemail == true }
  
  belongs_to :call_forward_case

  validates_numericality_of  :depth,
    :allow_nil => true,
    :only_integer => true,
    :greater_than_or_equal_to  =>   1,
    :less_than_or_equal_to     =>  (GsParameter.get('MAX_CALL_FORWARD_DEPTH').nil? ? 0 : GsParameter.get('MAX_CALL_FORWARD_DEPTH'))
  
  before_validation {
    self.timeout = nil if self.call_forward_case_id != 3
  }

  validates_numericality_of :timeout,
    :if => Proc.new { |cf| cf.call_forward_case_id == 3 },
    :only_integer => true,
    :greater_than_or_equal_to  =>   1,
    :less_than_or_equal_to     => 120
  
  validates_inclusion_of :timeout,
    :in => [ nil ],
    :if => Proc.new { |cf| cf.call_forward_case_id != 3 }

  validate :validate_empty_hunt_group, :if => Proc.new { |cf| cf.active == true && cf.destinationable_type == 'HuntGroup' && cf.call_forward_case.value == 'assistant' }
  
  validates_presence_of :uuid
  validates_uniqueness_of :uuid

  # Make sure the call forward's parent can't be changed:
  before_validation { |cfwd|
    if cfwd.id && (cfwd.call_forwardable_id != cfwd.call_forwardable_id_was || cfwd.call_forwardable_type != cfwd.call_forwardable_type_was)
      errors.add( :call_forwardable_id, "cannot be changed." )
    end
  }

  before_validation :resolve_prerouting

  after_save :set_presence
  after_save :deactivate_concurring_entries, :if => Proc.new { |cf| cf.active == true }
  before_destroy :deactivate_connected_softkeys

  def case_string
    return self.call_forward_case ? self.call_forward_case.value : nil
  end

  def to_s
    if self.destinationable_type.blank?
      self.destinationable_type = ''
    else
      destinationable_type = " #{self.destinationable_type}"
    end
    if Module.constants.include?(destinationable_type.to_sym) && self.destinationable
      destination = "#{self.destinationable}#{destinationable_type}"
    else
      destination = "#{self.destination}#{destinationable_type}"
    end
    "#{self.call_forwardable} (#{I18n.t("call_forward_cases.#{self.call_forward_case}")}) -> #{destination}"
  end

  def call_forwarding_destination
    "#{self.destinationable_id}:#{self.destinationable_type}"
  end

  def call_forwarding_destination=(destination_record)
    self.destinationable_id, delimeter, self.destinationable_type = destination_record.to_s.partition(':')
  end

  def destination_phone_number
    if self.destinationable_type.to_s.downcase == 'phonenumber'
      return self.destination
    end
  end

  def destination_phone_number=(destination_number)
    if self.destinationable_type.to_s.downcase == 'phonenumber'
      self.destination = destination_number
    end
  end

  def destination_greeting
    if self.destinationable_type.to_s.downcase == 'voicemailaccount'
      return self.destination
    end
  end

  def destination_greeting=(destination_file)
    if self.destinationable_type.to_s.downcase == 'voicemailaccount'
      self.destination = destination_file
    end
  end

  def toggle
    self.active = ! self.active
    return self.save
  end

  def deactivate_connected_softkeys
    softkey_function_deactivated = SoftkeyFunction.find_by_name('deactivated')
    self.softkeys.each do |softkey|
      if softkey.softkey_function_id != softkey_function_deactivated.id
        softkey.update_attributes(:softkeyable_id => nil, :softkeyable_type => nil, :softkey_function_id => softkey_function_deactivated.id)
      end
    end
  end

  private
  def set_presence
    state = 'terminated'

    if self.active
      if self.destinationable_type and self.destinationable_type.downcase() == 'voicemail'
        state = 'early'
      else
        state = 'confirmed'
      end
    end

    return send_presence_event(state)

    #if self.call_forward_case_id_changed?
    #  call_forwarding_service = CallForwardCase.where(:id => self.call_forward_case_id_was).first
    #  if call_forwarding_service
    #    send_presence_event(call_forwarding_service.value, state)
    #  end
    #end

    #return send_presence_event(self.call_forward_case.value, state)
  end

  def set_destinationable
    if @hunt_group_id && HuntGroup.where(:id => @hunt_group_id.to_i).count > 0
      self.destinationable = HuntGroup.where(:id => @hunt_group_id.to_i).first
    end

    if @to_voicemail && @to_voicemail.first.downcase == 'true'
      self.destinationable_type = 'Voicemail'
      self.destinationable_id = nil
    end 
  end

  def resolve_prerouting
    if self.destinationable_type == 'PhoneNumber' && GsParameter.get('CALLFORWARD_DESTINATION_RESOLVE') != false
      if self.call_forwardable.class == PhoneNumber
        prerouting = PhoneNumber.resolve_prerouting(self.destination, self.call_forwardable.phone_numberable)
      else
        prerouting = PhoneNumber.resolve_prerouting(self.destination, self.call_forwardable)
      end
      if prerouting && !prerouting['destination_number'].blank? && prerouting['type'] == 'phonenumber'
        self.destination = prerouting['destination_number']
      end
    end
  end

  def send_presence_event(state, call_forwarding_service = nil)
    dialplan_function = "cftg-#{self.id}"
    unique_id = "call_forwarding_#{self.id}"

    if call_forwarding_service == 'always'
      dialplan_function = "cfutg-#{self.call_forwardable.id}"
      unique_id = "call_forwarding_number_#{self.call_forwardable.id}"
    elsif call_forwarding_service == 'assistant'
      dialplan_function = "cfatg-#{self.call_forwardable.id}"
      unique_id = "call_forwarding_number_#{self.call_forwardable.id}"
    end

    if dialplan_function
      require 'freeswitch_event'
      event = FreeswitchEvent.new("PRESENCE_IN")
      event.add_header("proto", "sip")
      event.add_header("from", "f-#{dialplan_function}@#{SipDomain.first.host}")
      event.add_header("event_type", "presence")
      event.add_header("alt_event_type", "dialog")
      event.add_header("presence-call-direction", "outbound")
      event.add_header("answer-state",  state)
      event.add_header("unique-id", unique_id)
      return event.fire()
    end   
  end

  def deactivate_concurring_entries
    CallForward.where(:call_forwardable_id => self.call_forwardable_id, :call_forwardable_type => self.call_forwardable_type, :call_forward_case_id => self.call_forward_case_id, :source => self.source, :active => true).each do |call_forwarding_entry|
      if call_forwarding_entry.id != self.id
        call_forwarding_entry.update_attributes(:active => false)
      end
    end
  end

  def validate_empty_hunt_group
    hunt_group = self.destinationable
    if hunt_group && hunt_group.hunt_group_members.where(:active => true).count == 0
      errors.add(:call_forwarding_destination, 'HuntGroup has no active members')
    end
  end
  
end