brotherton-erpnext/erpnext/controllers/recurring_document.py
2017-03-14 19:13:39 +05:30

231 lines
7.9 KiB
Python

from __future__ import unicode_literals
import frappe
import calendar
import frappe.utils
import frappe.defaults
from frappe.utils import cint, cstr, getdate, nowdate, \
get_first_day, get_last_day, split_emails
from frappe import _, msgprint, throw
month_map = {'Monthly': 1, 'Quarterly': 3, 'Half-yearly': 6, 'Yearly': 12}
date_field_map = {
"Sales Order": "transaction_date",
"Sales Invoice": "posting_date",
"Purchase Order": "transaction_date",
"Purchase Invoice": "posting_date"
}
def create_recurring_documents():
manage_recurring_documents("Sales Order")
manage_recurring_documents("Sales Invoice")
manage_recurring_documents("Purchase Order")
manage_recurring_documents("Purchase Invoice")
def manage_recurring_documents(doctype, next_date=None, commit=True):
"""
Create recurring documents on specific date by copying the original one
and notify the concerned people
"""
next_date = next_date or nowdate()
date_field = date_field_map[doctype]
condition = " and ifnull(status, '') != 'Closed'" if doctype in ("Sales Order", "Purchase Order") else ""
recurring_documents = frappe.db.sql("""select name, recurring_id
from `tab{0}` where is_recurring=1
and (docstatus=1 or docstatus=0) and next_date=%s
and next_date <= ifnull(end_date, '2199-12-31') {1}""".format(doctype, condition), next_date)
exception_list = []
for ref_document, recurring_id in recurring_documents:
if not frappe.db.sql("""select name from `tab%s`
where %s=%s and recurring_id=%s and (docstatus=1 or docstatus=0)"""
% (doctype, date_field, '%s', '%s'), (next_date, recurring_id)):
try:
reference_doc = frappe.get_doc(doctype, ref_document)
new_doc = make_new_document(reference_doc, date_field, next_date)
if reference_doc.notify_by_email:
send_notification(new_doc)
if commit:
frappe.db.commit()
except:
if commit:
frappe.db.rollback()
frappe.db.begin()
frappe.db.sql("update `tab%s` \
set is_recurring = 0 where name = %s" % (doctype, '%s'),
(ref_document))
notify_errors(ref_document, doctype, reference_doc.get("customer") or reference_doc.get("supplier"),
reference_doc.owner)
frappe.db.commit()
exception_list.append(frappe.get_traceback())
finally:
if commit:
frappe.db.begin()
if exception_list:
exception_message = "\n\n".join([cstr(d) for d in exception_list])
frappe.throw(exception_message)
def make_new_document(reference_doc, date_field, posting_date):
new_document = frappe.copy_doc(reference_doc, ignore_no_copy=False)
mcount = month_map[reference_doc.recurring_type]
from_date = get_next_date(reference_doc.from_date, mcount)
# get last day of the month to maintain period if the from date is first day of its own month
# and to date is the last day of its own month
if (cstr(get_first_day(reference_doc.from_date)) == cstr(reference_doc.from_date)) and \
(cstr(get_last_day(reference_doc.to_date)) == cstr(reference_doc.to_date)):
to_date = get_last_day(get_next_date(reference_doc.to_date, mcount))
else:
to_date = get_next_date(reference_doc.to_date, mcount)
new_document.update({
date_field: posting_date,
"from_date": from_date,
"to_date": to_date,
"next_date": get_next_date(reference_doc.next_date, mcount,cint(reference_doc.repeat_on_day_of_month))
})
if new_document.meta.get_field('set_posting_time'):
new_document.set('set_posting_time', 1)
# copy document fields
for fieldname in ("owner", "recurring_type", "repeat_on_day_of_month",
"recurring_id", "notification_email_address", "is_recurring", "end_date",
"title", "naming_series", "select_print_heading", "ignore_pricing_rule",
"posting_time", "remarks", 'submit_on_creation'):
if new_document.meta.get_field(fieldname):
new_document.set(fieldname, reference_doc.get(fieldname))
# copy item fields
for i, item in enumerate(new_document.items):
for fieldname in ("page_break",):
item.set(fieldname, reference_doc.items[i].get(fieldname))
new_document.run_method("on_recurring", reference_doc=reference_doc)
if reference_doc.submit_on_creation:
new_document.insert()
new_document.submit()
else:
new_document.docstatus=0
new_document.insert()
return new_document
def get_next_date(dt, mcount, day=None):
dt = getdate(dt)
from dateutil.relativedelta import relativedelta
dt += relativedelta(months=mcount, day=day)
return dt
def send_notification(new_rv):
"""Notify concerned persons about recurring document generation"""
frappe.sendmail(new_rv.notification_email_address,
subject= _("New {0}: #{1}").format(new_rv.doctype, new_rv.name),
message = _("Please find attached {0} #{1}").format(new_rv.doctype, new_rv.name),
attachments = [frappe.attach_print(new_rv.doctype, new_rv.name, file_name=new_rv.name, print_format=new_rv.recurring_print_format)])
def notify_errors(doc, doctype, party, owner):
from frappe.utils.user import get_system_managers
recipients = get_system_managers(only_name=True)
frappe.sendmail(recipients + [frappe.db.get_value("User", owner, "email")],
subject="[Urgent] Error while creating recurring %s for %s" % (doctype, doc),
message = frappe.get_template("templates/emails/recurring_document_failed.html").render({
"type": doctype,
"name": doc,
"party": party
}))
assign_task_to_owner(doc, doctype, "Recurring Invoice Failed", recipients)
def assign_task_to_owner(doc, doctype, msg, users):
for d in users:
from frappe.desk.form import assign_to
args = {
'assign_to' : d,
'doctype' : doctype,
'name' : doc,
'description' : msg,
'priority' : 'High'
}
assign_to.add(args)
def validate_recurring_document(doc):
if doc.is_recurring:
validate_notification_email_id(doc)
if not doc.recurring_type:
frappe.throw(_("Please select {0}").format(doc.meta.get_label("recurring_type")))
elif not (doc.from_date and doc.to_date):
frappe.throw(_("Period From and Period To dates mandatory for recurring {0}").format(doc.doctype))
def validate_recurring_next_date(doc):
posting_date = doc.get("posting_date") or doc.get("transaction_date")
if getdate(posting_date) > getdate(doc.next_date):
frappe.throw(_("Next Date must be greater than Posting Date"))
next_date = getdate(doc.next_date)
if next_date.day != doc.repeat_on_day_of_month:
# if the repeat day is the last day of the month (31)
# and the current month does not have as many days,
# then the last day of the current month is a valid date
lastday = calendar.monthrange(next_date.year, next_date.month)[1]
if doc.repeat_on_day_of_month < lastday:
# the specified day of the month is not same as the day specified
# or the last day of the month
frappe.throw(_("Next Date's day and Repeat on Day of Month must be equal"))
def convert_to_recurring(doc, posting_date):
if doc.is_recurring:
if not doc.recurring_id:
doc.db_set("recurring_id", doc.name)
set_next_date(doc, posting_date)
if doc.next_date:
validate_recurring_next_date(doc)
elif doc.recurring_id:
doc.db_set("recurring_id", None)
def validate_notification_email_id(doc):
if doc.notify_by_email:
if doc.notification_email_address:
email_list = split_emails(doc.notification_email_address.replace("\n", ""))
from frappe.utils import validate_email_add
for email in email_list:
if not validate_email_add(email):
throw(_("{0} is an invalid email address in 'Notification \
Email Address'").format(email))
else:
frappe.throw(_("'Notification Email Addresses' not specified for recurring %s") \
% doc.doctype)
def set_next_date(doc, posting_date):
""" Set next date on which recurring document will be created"""
if not doc.repeat_on_day_of_month:
msgprint(_("Please enter 'Repeat on Day of Month' field value"), raise_exception=1)
next_date = get_next_date(posting_date, month_map[doc.recurring_type],
cint(doc.repeat_on_day_of_month))
doc.db_set('next_date', next_date)
msgprint(_("Next Recurring {0} will be created on {1}").format(doc.doctype, next_date))