seitime-frappe/frappe/desk/notifications.py
Ankush Menat 7345b6b078
perf: Limit get_open_count to 1s for each count query (#32920)
If left unoptimized this wreaks havoc on database servers and has little
real value. If it's valuable people will complaint about "?" and it will
get fixed.

This constriant on runtime should always be present.
2025-06-12 21:17:58 +05:30

439 lines
12 KiB
Python

# Copyright (c) 2015, Frappe Technologies Pvt. Ltd. and Contributors
# License: MIT. See LICENSE
import json
from typing import Literal
from bs4 import BeautifulSoup
import frappe
from frappe import _
from frappe.desk.doctype.notification_log.notification_log import (
enqueue_create_notification,
get_title,
get_title_html,
)
from frappe.desk.doctype.notification_settings.notification_settings import (
get_subscribed_documents,
)
from frappe.utils import get_fullname
@frappe.whitelist()
@frappe.read_only()
def get_notifications():
out = {
"open_count_doctype": {},
"targets": {},
}
if frappe.flags.in_install or not frappe.is_setup_complete():
return out
config = get_notification_config()
if not config:
return out
groups = list(config.get("for_doctype")) + list(config.get("for_module"))
notification_count = {}
notification_percent = {}
for name in groups:
count = frappe.cache.hget("notification_count:" + name, frappe.session.user)
if count is not None:
notification_count[name] = count
out["open_count_doctype"] = get_notifications_for_doctypes(config, notification_count)
out["targets"] = get_notifications_for_targets(config, notification_percent)
return out
def get_notifications_for_doctypes(config, notification_count):
"""Notifications for DocTypes"""
can_read = frappe.get_user().get_can_read()
open_count_doctype = {}
for d in config.for_doctype:
if d in can_read:
condition = config.for_doctype[d]
if d in notification_count:
open_count_doctype[d] = notification_count[d]
else:
try:
if isinstance(condition, dict):
result = frappe.get_list(
d, fields=["count(*) as count"], filters=condition, ignore_ifnull=True
)[0].count
else:
result = frappe.get_attr(condition)()
except frappe.PermissionError:
frappe.clear_messages()
pass
# frappe.msgprint("Permission Error in notifications for {0}".format(d))
except Exception as e:
# OperationalError: (1412, 'Table definition has changed, please retry transaction')
# InternalError: (1684, 'Table definition is being modified by concurrent DDL statement')
if e.args and e.args[0] not in (1412, 1684):
raise
else:
open_count_doctype[d] = result
frappe.cache.hset("notification_count:" + d, frappe.session.user, result)
return open_count_doctype
def get_notifications_for_targets(config, notification_percent):
"""Notifications for doc targets"""
can_read = frappe.get_user().get_can_read()
doc_target_percents = {}
# doc_target_percents = {
# "Company": {
# "Acme": 87,
# "RobotsRUs": 50,
# }, {}...
# }
for doctype in config.targets:
if doctype in can_read:
if doctype in notification_percent:
doc_target_percents[doctype] = notification_percent[doctype]
else:
doc_target_percents[doctype] = {}
d = config.targets[doctype]
condition = d["filters"]
target_field = d["target_field"]
value_field = d["value_field"]
try:
if isinstance(condition, dict):
doc_list = frappe.get_list(
doctype,
fields=["name", target_field, value_field],
filters=condition,
limit_page_length=100,
ignore_ifnull=True,
)
except frappe.PermissionError:
frappe.clear_messages()
pass
except Exception as e:
if e.args[0] not in (1412, 1684):
raise
else:
for doc in doc_list:
value = doc[value_field]
target = doc[target_field]
doc_target_percents[doctype][doc.name] = (
(value / target * 100) if value < target else 100
)
return doc_target_percents
def clear_notifications(user=None):
if frappe.flags.in_install:
return
config = get_notification_config()
if not config:
return
for_doctype = list(config.get("for_doctype")) if config.get("for_doctype") else []
for_module = list(config.get("for_module")) if config.get("for_module") else []
groups = for_doctype + for_module
if user:
frappe.cache.hdel_names([f"notification_count:{name}" for name in groups], user)
else:
frappe.cache.delete_value([f"notification_count:{name}" for name in groups])
def clear_notification_config(user):
frappe.cache.hdel("notification_config", user)
def delete_notification_count_for(doctype):
frappe.cache.delete_key("notification_count:" + doctype)
def clear_doctype_notifications(doc, method=None, *args, **kwargs):
config = get_notification_config()
if not config:
return
if isinstance(doc, str):
doctype = doc # assuming doctype name was passed directly
else:
doctype = doc.doctype
if doctype in config.for_doctype:
delete_notification_count_for(doctype)
return
@frappe.whitelist()
def get_notification_info():
config = get_notification_config()
out = get_notifications()
can_read = frappe.get_user().get_can_read()
conditions = {}
module_doctypes = {}
doctype_info = dict(frappe.db.sql("""select name, module from tabDocType"""))
for d in list(set(can_read + list(config.for_doctype))):
if d in config.for_doctype:
conditions[d] = config.for_doctype[d]
if d in doctype_info:
module_doctypes.setdefault(doctype_info[d], []).append(d)
out.update(
{
"conditions": conditions,
"module_doctypes": module_doctypes,
}
)
return out
def get_notification_config():
user = frappe.session.user or "Guest"
def _get():
subscribed_documents = get_subscribed_documents()
config = frappe._dict()
hooks = frappe.get_hooks()
if hooks:
for notification_config in hooks.notification_config:
nc = frappe.get_attr(notification_config)()
for key in ("for_doctype", "for_module", "for_other", "targets"):
config.setdefault(key, {})
if key == "for_doctype":
if len(subscribed_documents) > 0:
key_config = nc.get(key, {})
subscribed_docs_config = frappe._dict()
for document in subscribed_documents:
if key_config.get(document):
subscribed_docs_config[document] = key_config.get(document)
config[key].update(subscribed_docs_config)
else:
config[key].update(nc.get(key, {}))
else:
config[key].update(nc.get(key, {}))
return config
return frappe.cache.hget("notification_config", user, _get)
def get_filters_for(doctype):
"""get open filters for doctype"""
config = get_notification_config()
doctype_config = config.get("for_doctype").get(doctype, {})
return None if isinstance(doctype_config, str) else doctype_config
@frappe.whitelist()
@frappe.read_only()
def get_open_count(doctype: str, name: str, items=None):
"""Get count for internal and external links for given transactions
:param doctype: Reference DocType
:param name: Reference Name
:param items: Optional list of transactions (json/dict)"""
if frappe.flags.in_migrate or frappe.flags.in_install:
return {"count": []}
# None of the count queries should take more than 1s individually
frappe.db.set_execution_timeout(1)
try:
return _get_linked_document_counts(doctype, name, items)
except Exception as e:
if frappe.db.is_statement_timeout(e):
return {"count": []}
raise
def _get_linked_document_counts(doctype: str, name: str, items=None):
doc = frappe.get_lazy_doc(doctype, name)
doc.check_permission()
meta = doc.meta
links = meta.get_dashboard_data()
# compile all items in a list
if items is None:
items = []
for group in links.transactions:
items.extend(group.get("items"))
if not isinstance(items, list):
items = json.loads(items)
out = {
"external_links_found": [],
"internal_links_found": [],
}
for d in items:
internal_link_for_doctype = links.get("internal_links", {}).get(d) or links.get(
"internal_and_external_links", {}
).get(d)
if internal_link_for_doctype:
internal_links_data_for_d = get_internal_links(doc, internal_link_for_doctype, d)
if internal_links_data_for_d["count"]:
out["internal_links_found"].append(internal_links_data_for_d)
else:
try:
external_links_data_for_d = get_external_links(d, name, links)
out["external_links_found"].append(external_links_data_for_d)
except Exception:
out["external_links_found"].append({"doctype": d, "open_count": 0, "count": 0})
else:
external_links_data_for_d = get_external_links(d, name, links)
out["external_links_found"].append(external_links_data_for_d)
out = {
"count": out,
}
if not meta.custom:
module = frappe.get_meta_module(doctype)
if hasattr(module, "get_timeline_data"):
out["timeline_data"] = module.get_timeline_data(doctype, name)
return out
def get_internal_links(doc, link, link_doctype):
names = []
data = {"doctype": link_doctype}
if isinstance(link, str):
# get internal links in parent document
value = doc.get(link)
if value and value not in names:
names.append(value)
elif isinstance(link, list):
# get internal links in child documents
table_fieldname, link_fieldname = link
for row in doc.get(table_fieldname) or []:
value = row.get(link_fieldname)
if value and value not in names:
names.append(value)
data["open_count"] = 0
data["count"] = len(names)
data["names"] = names
return data
def get_external_links(doctype, name, links):
fieldname = links.get("non_standard_fieldnames", {}).get(doctype, links.get("fieldname"))
filters = {fieldname: name}
# updating filters based on dynamic_links
if dynamic_link_filters := get_dynamic_link_filters(doctype, links, fieldname):
filters.update(dynamic_link_filters)
total_count = get_doc_count(doctype, filters)
open_count = 0
if open_count_filters := get_filters_for(doctype):
filters.update(open_count_filters)
open_count = get_doc_count(doctype, filters)
return {"doctype": doctype, "count": total_count, "open_count": open_count}
def get_doc_count(doctype, filters) -> int | Literal["?"]:
try:
docs = frappe.get_all(
doctype, filters=filters, limit=100, distinct=True, ignore_ifnull=True, order_by=None
)
return len(docs)
except Exception as e:
if frappe.db.is_statement_timeout(e): # Skip fetching correct count if it's too slow
return "?"
raise
def get_dynamic_link_filters(doctype, links, fieldname):
"""
- Updating filters based on dynamic_links specified in the dashboard data.
- Eg: "dynamic_links": {"fieldname": ["dynamic_fieldvalue", "dynamic_fieldname"]},
"""
dynamic_link = links.get("dynamic_links", {}).get(fieldname)
if not dynamic_link:
return
doctype_value, doctype_fieldname = dynamic_link
meta = frappe.get_meta(doctype)
if not meta.has_field(doctype_fieldname):
return
return {doctype_fieldname: doctype_value}
def notify_mentions(ref_doctype, ref_name, content):
if ref_doctype and ref_name and content:
mentions = extract_mentions(content)
if not mentions:
return
sender_fullname = get_fullname(frappe.session.user)
title = get_title(ref_doctype, ref_name)
recipients = [
frappe.db.get_value(
"User",
{"enabled": 1, "name": name, "user_type": "System User", "allowed_in_mentions": 1},
"email",
)
for name in mentions
]
notification_message = _("""{0} mentioned you in a comment in {1} {2}""").format(
frappe.bold(sender_fullname), frappe.bold(ref_doctype), get_title_html(title)
)
notification_doc = {
"type": "Mention",
"document_type": ref_doctype,
"document_name": ref_name,
"subject": notification_message,
"from_user": frappe.session.user,
"email_content": content,
}
enqueue_create_notification(recipients, notification_doc)
def extract_mentions(txt):
"""Find all instances of @mentions in the html."""
soup = BeautifulSoup(txt, "html.parser")
emails = []
for mention in soup.find_all(class_="mention"):
if mention.get("data-is-group") == "true":
try:
user_group = frappe.get_cached_doc("User Group", mention["data-id"])
emails += [d.user for d in user_group.user_group_members]
except frappe.DoesNotExistError:
pass
continue
email = mention["data-id"]
emails.append(email)
return emails