From 925b9d985e8f614d5a4de5f20218a7fca59f51ac Mon Sep 17 00:00:00 2001
From: Nabin Hait <nabinhait@gmail.com>
Date: Mon, 27 Jun 2022 21:58:19 +0530
Subject: [PATCH] fix: open lead and opportunities based on today's event

---
 erpnext/crm/utils.py | 24 +++++++++++++++++++++++-
 erpnext/hooks.py     |  1 +
 2 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/erpnext/crm/utils.py b/erpnext/crm/utils.py
index 33441b166d..a2528c3703 100644
--- a/erpnext/crm/utils.py
+++ b/erpnext/crm/utils.py
@@ -1,6 +1,7 @@
 import frappe
 from frappe.model.document import Document
-from frappe.utils import cstr, now
+from frappe.utils import cstr, now, today
+from pypika import functions
 
 
 def update_lead_phone_numbers(contact, method):
@@ -177,6 +178,27 @@ def get_open_events(ref_doctype, ref_docname):
 	return data
 
 
+def open_leads_opportunities_based_on_todays_event():
+	event = frappe.qb.DocType("Event")
+	event_link = frappe.qb.DocType("Event Participants")
+
+	query = (
+		frappe.qb.from_(event)
+		.join(event_link)
+		.on(event_link.parent == event.name)
+		.select(event_link.reference_doctype, event_link.reference_docname)
+		.where(
+			(event_link.reference_doctype.isin(["Lead", "Opportunity"]))
+			& (event.status == "Open")
+			& (functions.Date(event.starts_on) == today())
+		)
+	)
+	data = query.run(as_dict=True)
+
+	for d in data:
+		frappe.db.set_value(d.reference_doctype, d.reference_docname, "status", "Open")
+
+
 class CRMNote(Document):
 	@frappe.whitelist()
 	def add_note(self, note):
diff --git a/erpnext/hooks.py b/erpnext/hooks.py
index b3c35cfe0b..8abf65f4b5 100644
--- a/erpnext/hooks.py
+++ b/erpnext/hooks.py
@@ -457,6 +457,7 @@ scheduler_events = {
 		"erpnext.hr.utils.allocate_earned_leaves",
 		"erpnext.loan_management.doctype.process_loan_security_shortfall.process_loan_security_shortfall.create_process_loan_security_shortfall",
 		"erpnext.loan_management.doctype.process_loan_interest_accrual.process_loan_interest_accrual.process_loan_interest_accrual_for_term_loans",
+		"erpnext.crm.utils.open_leads_opportunities_based_on_todays_event",
 	],
 	"weekly": ["erpnext.hr.doctype.employee.employee_reminders.send_reminders_in_advance_weekly"],
 	"monthly": ["erpnext.hr.doctype.employee.employee_reminders.send_reminders_in_advance_monthly"],