feat: Add bulk imports API for contacts (#1724)

app/models/contact_inbox.rb

@@ -27,6 +27,7 @@ class ContactInbox < ApplicationRecord
   validates :inbox_id, presence: true
   validates :contact_id, presence: true
   validates :source_id, presence: true
+  validate :valid_source_id_format?
 
   belongs_to :contact
   belongs_to :inbox
@@ -47,4 +48,24 @@ class ContactInbox < ApplicationRecord
   def current_conversation
     conversations.last
   end
+
+  private
+
+  def validate_twilio_source_id
+    # https://www.twilio.com/docs/glossary/what-e164#regex-matching-for-e164
+    if inbox.channel.medium == 'sms' && !/^\+[1-9]\d{1,14}$/.match?(source_id)
+      errors.add(:source_id, 'invalid source id for twilio sms inbox. valid Regex /^\+[1-9]\d{1,14}$/')
+    elsif inbox.channel.medium == 'whatsapp' && !/^whatsapp:\+[1-9]\d{1,14}$/.match?(source_id)
+      errors.add(:source_id, 'invalid source id for twilio whatsapp inbox. valid Regex /^whatsapp:\+[1-9]\d{1,14}$/')
+    end
+  end
+
+  def validate_email_source_id
+    errors.add(:source_id, "invalid source id for Email inbox. valid Regex #{Device.email_regexp}") unless Devise.email_regexp.match?(source_id)
+  end
+
+  def valid_source_id_format?
+    validate_twilio_source_id if inbox.channel_type == 'Channel::TwilioSms'
+    validate_email_source_id if inbox.channel_type == 'Channel::Email'
+  end
 end