fix: phone number handling in leadsquared (#11527)

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>
Co-authored-by: Muhsin Keloth <muhsinkeramam@gmail.com>

app/services/crm/leadsquared/lead_finder_service.rb

@@ -31,7 +31,11 @@ class Crm::Leadsquared::LeadFinderService
   def find_by_phone_number(contact)
     return if contact.phone_number.blank?
 
-    search_by_field(contact.phone_number)
+    lead_data = Crm::Leadsquared::Mappers::ContactMapper.map(contact)
+
+    return if lead_data.blank? || lead_data['Mobile'].nil?
+
+    search_by_field(lead_data['Mobile'])
   end
 
   def search_by_field(value)

app/services/crm/leadsquared/mappers/contact_mapper.rb

@@ -20,11 +20,29 @@ class Crm::Leadsquared::Mappers::ContactMapper
       'FirstName' => contact.name.presence,
       'LastName' => contact.last_name.presence,
       'EmailAddress' => contact.email.presence,
-      'Mobile' => contact.phone_number.presence,
+      'Mobile' => formatted_phone_number,
       'Source' => brand_name
     }.compact
   end
 
+  def formatted_phone_number
+    # it seems like leadsquared needs a different phone number format
+    # it's not documented anywhere, so don't bother trying to look up online
+    # After some trial and error, I figured out the format, its +<country_code>-<national_number>
+    return nil if contact.phone_number.blank?
+
+    parsed = TelephoneNumber.parse(contact.phone_number)
+    return contact.phone_number unless parsed.valid?
+
+    country_code = parsed.country.country_code
+    e164 = parsed.e164_number
+    e164 = e164.sub(/^\+/, '')
+
+    national_number = e164.sub(/^#{Regexp.escape(country_code)}/, '')
+
+    "+#{country_code}-#{national_number}"
+  end
+
   def brand_name
     ::GlobalConfig.get('BRAND_NAME')['BRAND_NAME'] || 'Chatwoot'
   end