InvenTree/InvenTree/part/tasks.py
Oliver 78b1c7a22b Skips some specific steps when importing data
- We need to prevent certain operations from running when we are importing data
- This is to prevent unique database constraints from being violated

- Do not register plugins during data import
- Do not launch notification events
2022-02-03 16:03:46 +11:00

83 lines
2.5 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import unicode_literals
import logging
from datetime import timedelta
from django.utils.translation import ugettext_lazy as _
from django.template.loader import render_to_string
from allauth.account.models import EmailAddress
from common.models import NotificationEntry
import InvenTree.helpers
import InvenTree.tasks
from InvenTree.ready import isImportingData
import part.models
logger = logging.getLogger("inventree")
def notify_low_stock(part: part.models.Part):
"""
Notify users who have starred a part when its stock quantity falls below the minimum threshold
"""
# Do not notify if we are importing data
if isImportingData():
return
# Check if we have notified recently...
delta = timedelta(days=1)
if NotificationEntry.check_recent('part.notify_low_stock', part.pk, delta):
logger.info(f"Low stock notification has recently been sent for '{part.full_name}' - SKIPPING")
return
logger.info(f"Sending low stock notification email for {part.full_name}")
# Get a list of users who are subcribed to this part
subscribers = part.get_subscribers()
emails = EmailAddress.objects.filter(
user__in=subscribers,
)
# TODO: In the future, include the part image in the email template
if len(emails) > 0:
logger.info(f"Notify users regarding low stock of {part.name}")
context = {
# Pass the "Part" object through to the template context
'part': part,
'link': InvenTree.helpers.construct_absolute_url(part.get_absolute_url()),
}
subject = "[InvenTree] " + _("Low stock notification")
html_message = render_to_string('email/low_stock_notification.html', context)
recipients = emails.values_list('email', flat=True)
InvenTree.tasks.send_email(subject, '', recipients, html_message=html_message)
NotificationEntry.notify('part.notify_low_stock', part.pk)
def notify_low_stock_if_required(part: part.models.Part):
"""
Check if the stock quantity has fallen below the minimum threshold of part.
If true, notify the users who have subscribed to the part
"""
# Run "up" the tree, to allow notification for "parent" parts
parts = part.get_ancestors(include_self=True, ascending=True)
for p in parts:
if p.is_part_low_on_stock():
InvenTree.tasks.offload_task(
'part.tasks.notify_low_stock',
p
)