chore: Set phone_number through Website SDK (#2803)

Fixes: #2599

app/actions/contact_identify_action.rb

@@ -3,8 +3,9 @@ class ContactIdentifyAction
 
   def perform
     ActiveRecord::Base.transaction do
-      @contact = merge_contact(existing_identified_contact, @contact) if merge_contacts?(existing_identified_contact, @contact)
-      @contact = merge_contact(existing_email_contact, @contact) if merge_contacts?(existing_email_contact, @contact)
+      merge_if_existing_identified_contact
+      merge_if_existing_email_contact
+      merge_if_existing_phone_number_contact
       update_contact
     end
     @contact
@@ -16,6 +17,18 @@ class ContactIdentifyAction
     @account ||= @contact.account
   end
 
+  def merge_if_existing_identified_contact
+    @contact = merge_contact(existing_identified_contact, @contact) if merge_contacts?(existing_identified_contact, @contact)
+  end
+
+  def merge_if_existing_email_contact
+    @contact = merge_contact(existing_email_contact, @contact) if merge_contacts?(existing_email_contact, @contact)
+  end
+
+  def merge_if_existing_phone_number_contact
+    @contact = merge_contact(existing_phone_number_contact, @contact) if merge_contacts?(existing_phone_number_contact, @contact)
+  end
+
   def existing_identified_contact
     return if params[:identifier].blank?
 
@@ -28,6 +41,12 @@ class ContactIdentifyAction
     @existing_email_contact ||= Contact.where(account_id: account.id).find_by(email: params[:email])
   end
 
+  def existing_phone_number_contact
+    return if params[:phone_number].blank?
+
+    @existing_phone_number_contact ||= Contact.where(account_id: account.id).find_by(phone_number: params[:phone_number])
+  end
+
   def merge_contacts?(existing_contact, _contact)
     existing_contact && existing_contact.id != @contact.id
   end
@@ -36,7 +55,9 @@ class ContactIdentifyAction
     custom_attributes = params[:custom_attributes] ? @contact.custom_attributes.merge(params[:custom_attributes]) : @contact.custom_attributes
     # blank identifier or email will throw unique index error
     # TODO: replace reject { |_k, v| v.blank? } with compact_blank when rails is upgraded
-    @contact.update!(params.slice(:name, :email, :identifier).reject { |_k, v| v.blank? }.merge({ custom_attributes: custom_attributes }))
+    @contact.update!(params.slice(:name, :email, :identifier, :phone_number).reject do |_k, v|
+                       v.blank?
+                     end.merge({ custom_attributes: custom_attributes }))
     ContactAvatarJob.perform_later(@contact, params[:avatar_url]) if params[:avatar_url].present?
   end