fix: added hooks to validate contact before save

crm/api/contact.py

@@ -1,6 +1,27 @@
 import frappe
 
 
+def validate(doc, method):
+	set_primary_email(doc)
+	set_primary_mobile_no(doc)
+	doc.set_primary_email()
+	doc.set_primary("mobile_no")
+
+
+def set_primary_email(doc):
+	if not doc.email_ids:
+		return
+
+	if len(doc.email_ids) == 1:
+		doc.email_ids[0].is_primary = 1
+
+def set_primary_mobile_no(doc):
+	if not doc.phone_nos:
+		return
+
+	if len(doc.phone_nos) == 1:
+		doc.phone_nos[0].is_primary_mobile_no = 1
+
 @frappe.whitelist()
 def create_new(contact, field, value):
 	"""Create new email or phone for a contact"""

crm/hooks.py

@@ -125,13 +125,11 @@ website_route_rules = [
 # ---------------
 # Hook on document methods and events
 
-# doc_events = {
+doc_events = {
-#	"*": {
+	"Contact": {
-#		"on_update": "method",
+		"validate": ["crm.api.contact.validate"],
-#		"on_cancel": "method",
+	},
-#		"on_trash": "method"
+}
-#	}
-# }
 
 # Scheduled Tasks
 # ---------------