fix: generate lead_name and some other validations

crm/crm/doctype/crm_lead/crm_lead.py

@@ -1,9 +1,46 @@
 # Copyright (c) 2023, Frappe Technologies Pvt. Ltd. and contributors
 # For license information, please see license.txt
 
-# import frappe
+import frappe
+from frappe import _
 from frappe.model.document import Document
 
+from frappe.utils import has_gravatar, validate_email_address
+
 
 class CRMLead(Document):
-	pass
+	def validate(self):
+		self.set_full_name()
+		self.set_lead_name()
+		self.set_title()
+		self.validate_email()
+	
+	def set_full_name(self):
+		if self.first_name:
+			self.lead_name = " ".join(
+				filter(None, [self.salutation, self.first_name, self.middle_name, self.last_name])
+			)
+
+	def set_lead_name(self):
+		if not self.lead_name:
+			# Check for leads being created through data import
+			if not self.organization_name and not self.email and not self.flags.ignore_mandatory:
+				frappe.throw(_("A Lead requires either a person's name or an organization's name"))
+			elif self.organization_name:
+				self.lead_name = self.organization_name
+			else:
+				self.lead_name = self.email.split("@")[0]
+
+	def set_title(self):
+		self.title = self.organization_name or self.lead_name
+	
+	def validate_email(self):
+		if self.email:
+			if not self.flags.ignore_email_validation:
+				validate_email_address(self.email, throw=True)
+
+			if self.email == self.lead_owner:
+				frappe.throw(_("Lead Owner cannot be same as the Lead Email Address"))
+
+			if self.is_new() or not self.image:
+				self.image = has_gravatar(self.email)