feat: holiday list calendar event

erpnext/hr/custom/event.json

@@ -0,0 +1,85 @@
+{
+ "custom_fields": [
+  {
+   "_assign": null,
+   "_comments": null,
+   "_liked_by": null,
+   "_user_tags": null,
+   "allow_in_quick_entry": 0,
+   "allow_on_submit": 0,
+   "bold": 0,
+   "collapsible": 0,
+   "collapsible_depends_on": null,
+   "columns": 0,
+   "creation": "2021-07-12 04:03:31.815370",
+   "default": null,
+   "depends_on": null,
+   "description": null,
+   "docstatus": 0,
+   "dt": "Event",
+   "fetch_from": null,
+   "fetch_if_empty": 0,
+   "fieldname": "holiday_list",
+   "fieldtype": "Link",
+   "hidden": 0,
+   "idx": 4,
+   "ignore_user_permissions": 0,
+   "ignore_xss_filter": 0,
+   "in_global_search": 0,
+   "in_list_view": 0,
+   "in_standard_filter": 0,
+   "insert_after": "event_category",
+   "label": "Holiday List",
+   "length": 0,
+   "modified": "2021-07-12 04:03:31.815370",
+   "modified_by": "Administrator",
+   "name": "Event-holiday_list",
+   "no_copy": 0,
+   "options": "Holiday List",
+   "owner": "Administrator",
+   "parent": null,
+   "parentfield": null,
+   "parenttype": null,
+   "permlevel": 0,
+   "precision": "",
+   "print_hide": 0,
+   "print_hide_if_no_value": 0,
+   "print_width": null,
+   "read_only": 0,
+   "report_hide": 0,
+   "reqd": 0,
+   "search_index": 0,
+   "translatable": 0,
+   "unique": 0,
+   "width": null
+  }
+ ],
+ "custom_perms": [],
+ "doctype": "Event",
+ "property_setters": [
+  {
+   "_assign": null,
+   "_comments": null,
+   "_liked_by": null,
+   "_user_tags": null,
+   "creation": "2021-07-12 04:42:04.488238",
+   "default_value": null,
+   "doc_type": "Event",
+   "docstatus": 0,
+   "doctype_or_field": "DocField",
+   "field_name": "event_category",
+   "idx": 0,
+   "modified": "2021-07-12 04:42:04.488238",
+   "modified_by": "Administrator",
+   "name": "Event-event_category-options",
+   "owner": "Administrator",
+   "parent": null,
+   "parentfield": null,
+   "parenttype": null,
+   "property": "options",
+   "property_type": "Text",
+   "value": "Event\nMeeting\nCall\nSent/Received Email\nHoliday\nOther"
+  }
+ ],
+ "sync_on_migrate": 1
+}

erpnext/hr/doctype/holiday/holiday.json

@@ -1,87 +1,49 @@
 {
- "allow_copy": 0, 
- "allow_import": 0, 
- "allow_rename": 0, 
- "beta": 0, 
- "creation": "2013-02-22 01:27:46", 
- "custom": 0, 
- "docstatus": 0, 
- "doctype": "DocType", 
- "document_type": "Setup", 
- "editable_grid": 1, 
+ "creation": "2013-02-22 01:27:46",
+ "doctype": "DocType",
+ "document_type": "Setup",
+ "editable_grid": 1,
+ "engine": "InnoDB",
+ "field_order": [
+  "holiday_date",
+  "description",
+  "is_weekly_off"
+ ],
  "fields": [
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "holiday_date", 
-   "fieldtype": "Date", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_list_view": 1, 
-   "label": "Date", 
-   "length": 0, 
-   "no_copy": 0, 
-   "oldfieldname": "holiday_date", 
-   "oldfieldtype": "Date", 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0
-  }, 
+   "fieldname": "holiday_date",
+   "fieldtype": "Date",
+   "in_list_view": 1,
+   "label": "Date",
+   "oldfieldname": "holiday_date",
+   "oldfieldtype": "Date",
+   "reqd": 1
+  },
   {
-   "allow_on_submit": 0, 
-   "bold": 0, 
-   "collapsible": 0, 
-   "fieldname": "description", 
-   "fieldtype": "Text Editor", 
-   "hidden": 0, 
-   "ignore_user_permissions": 0, 
-   "ignore_xss_filter": 0, 
-   "in_filter": 0, 
-   "in_list_view": 1, 
-   "label": "Description", 
-   "length": 0, 
-   "no_copy": 0, 
-   "permlevel": 0, 
-   "print_hide": 0, 
-   "print_hide_if_no_value": 0, 
-   "print_width": "300px", 
-   "read_only": 0, 
-   "report_hide": 0, 
-   "reqd": 1, 
-   "search_index": 0, 
-   "set_only_once": 0, 
-   "unique": 0, 
+   "fieldname": "description",
+   "fieldtype": "Text Editor",
+   "in_list_view": 1,
+   "label": "Description",
+   "print_width": "300px",
+   "reqd": 1,
    "width": "300px"
+  },
+  {
+   "default": "0",
+   "fieldname": "is_weekly_off",
+   "fieldtype": "Check",
+   "label": "Is Weekly Off",
+   "read_only": 1
   }
- ], 
- "hide_heading": 0, 
- "hide_toolbar": 0, 
- "idx": 1, 
- "image_view": 0, 
- "in_create": 0, 
-
- "is_submittable": 0, 
- "issingle": 0, 
- "istable": 1, 
- "max_attachments": 0, 
- "modified": "2016-07-11 03:28:00.660849", 
- "modified_by": "Administrator", 
- "module": "HR", 
- "name": "Holiday", 
- "owner": "Administrator", 
- "permissions": [], 
- "quick_entry": 0, 
- "read_only": 0, 
- "read_only_onload": 0, 
- "sort_order": "ASC", 
- "track_seen": 0
+ ],
+ "idx": 1,
+ "istable": 1,
+ "modified": "2021-07-13 22:20:34.900236",
+ "modified_by": "Administrator",
+ "module": "HR",
+ "name": "Holiday",
+ "owner": "Administrator",
+ "permissions": [],
+ "sort_field": "modified",
+ "sort_order": "ASC"
 }

erpnext/hr/doctype/holiday_list/holiday_list.py

@@ -24,6 +24,7 @@ def get_weekly_off_dates(self):
 			ch.description = self.weekly_off
 			ch.holiday_date = d
 			ch.idx = last_idx + i + 1
+			ch.is_weekly_off = 1
 
 	def validate_values(self):
 		if not self.weekly_off:
@@ -62,6 +63,40 @@ def get_weekly_off_date_list(self, start_date, end_date):
 	def clear_table(self):
 		self.set('holidays', [])
 
+	def on_update(self):
+		calendar_events = frappe.get_all("Event", filters={"holiday_list": self.name}, fields=["name", "starts_on"])
+		if not calendar_events:
+			for holiday in self.holidays:
+				if holiday.is_weekly_off:
+					continue
+
+				create_holiday_event(holiday, self.name)
+		else:
+			holidays = [frappe.utils.get_datetime_str(holiday.holiday_date) for holiday in self.holidays if not holiday.is_weekly_off]
+
+			for event in calendar_events:
+				if not frappe.utils.get_datetime_str(event.starts_on) in holidays:
+					frappe.delete_doc("Event", event.name)
+
+			starts_on = [frappe.utils.get_datetime_str(event.starts_on) for event in calendar_events]
+
+			for holiday in self.holidays:
+				if holiday.is_weekly_off or frappe.utils.get_datetime_str(holiday.holiday_date) in starts_on:
+					continue
+
+				create_holiday_event(holiday, self.name)
+
+def create_holiday_event(holiday, holiday_list):
+	frappe.get_doc({
+		"doctype": "Event",
+		"subject": "Holiday " + holiday.holiday_date,
+		"starts_on": holiday.holiday_date,
+		"event_category": "Holiday",
+		"holiday_list": holiday_list,
+		"event_type": "Public",
+		"all_day":1
+	}).insert(ignore_permissions=True)
+
 @frappe.whitelist()
 def get_events(start, end, filters=None):
 	"""Returns events for Gantt / Calendar view rendering.
@@ -139,3 +174,4 @@ def send_holiday_notification():
 				subject="Holiday Notification",
 				message=message
 			)
+