brotherton-erpnext/erpnext/regional/report/datev/datev.py
Chillar Anand 915b34391c
chore: Clean up imports (#27302)
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* chore: Sort imports with isort

* chore: Clean up imports with pycln

* chore: Sort imports with isort

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* chore: Remove import errors from flake8 ignore list

* chore: Clean up lint issues
2021-09-02 16:44:59 +05:30

590 lines
15 KiB
Python

# coding: utf-8
"""
Provide a report and downloadable CSV according to the German DATEV format.
- Query report showing only the columns that contain data, formatted nicely for
dispay to the user.
- CSV download functionality `download_datev_csv` that provides a CSV file with
all required columns. Used to import the data into the DATEV Software.
"""
from __future__ import unicode_literals
import json
import frappe
from frappe import _
from six import string_types
from erpnext.accounts.utils import get_fiscal_year
from erpnext.regional.germany.utils.datev.datev_constants import (
AccountNames,
DebtorsCreditors,
Transactions,
)
from erpnext.regional.germany.utils.datev.datev_csv import get_datev_csv, zip_and_download
COLUMNS = [
{
"label": "Umsatz (ohne Soll/Haben-Kz)",
"fieldname": "Umsatz (ohne Soll/Haben-Kz)",
"fieldtype": "Currency",
"width": 100
},
{
"label": "Soll/Haben-Kennzeichen",
"fieldname": "Soll/Haben-Kennzeichen",
"fieldtype": "Data",
"width": 100
},
{
"label": "Konto",
"fieldname": "Konto",
"fieldtype": "Data",
"width": 100
},
{
"label": "Gegenkonto (ohne BU-Schlüssel)",
"fieldname": "Gegenkonto (ohne BU-Schlüssel)",
"fieldtype": "Data",
"width": 100
},
{
"label": "BU-Schlüssel",
"fieldname": "BU-Schlüssel",
"fieldtype": "Data",
"width": 100
},
{
"label": "Belegdatum",
"fieldname": "Belegdatum",
"fieldtype": "Date",
"width": 100
},
{
"label": "Belegfeld 1",
"fieldname": "Belegfeld 1",
"fieldtype": "Data",
"width": 150
},
{
"label": "Buchungstext",
"fieldname": "Buchungstext",
"fieldtype": "Text",
"width": 300
},
{
"label": "Beleginfo - Art 1",
"fieldname": "Beleginfo - Art 1",
"fieldtype": "Link",
"options": "DocType",
"width": 100
},
{
"label": "Beleginfo - Inhalt 1",
"fieldname": "Beleginfo - Inhalt 1",
"fieldtype": "Dynamic Link",
"options": "Beleginfo - Art 1",
"width": 150
},
{
"label": "Beleginfo - Art 2",
"fieldname": "Beleginfo - Art 2",
"fieldtype": "Link",
"options": "DocType",
"width": 100
},
{
"label": "Beleginfo - Inhalt 2",
"fieldname": "Beleginfo - Inhalt 2",
"fieldtype": "Dynamic Link",
"options": "Beleginfo - Art 2",
"width": 150
},
{
"label": "Beleginfo - Art 3",
"fieldname": "Beleginfo - Art 3",
"fieldtype": "Link",
"options": "DocType",
"width": 100
},
{
"label": "Beleginfo - Inhalt 3",
"fieldname": "Beleginfo - Inhalt 3",
"fieldtype": "Dynamic Link",
"options": "Beleginfo - Art 3",
"width": 150
},
{
"label": "Beleginfo - Art 4",
"fieldname": "Beleginfo - Art 4",
"fieldtype": "Data",
"width": 100
},
{
"label": "Beleginfo - Inhalt 4",
"fieldname": "Beleginfo - Inhalt 4",
"fieldtype": "Data",
"width": 150
},
{
"label": "Beleginfo - Art 5",
"fieldname": "Beleginfo - Art 5",
"fieldtype": "Data",
"width": 150
},
{
"label": "Beleginfo - Inhalt 5",
"fieldname": "Beleginfo - Inhalt 5",
"fieldtype": "Data",
"width": 100
},
{
"label": "Beleginfo - Art 6",
"fieldname": "Beleginfo - Art 6",
"fieldtype": "Data",
"width": 150
},
{
"label": "Beleginfo - Inhalt 6",
"fieldname": "Beleginfo - Inhalt 6",
"fieldtype": "Date",
"width": 100
},
{
"label": "Fälligkeit",
"fieldname": "Fälligkeit",
"fieldtype": "Date",
"width": 100
}
]
def execute(filters=None):
"""Entry point for frappe."""
data = []
if filters and validate(filters):
fn = 'temporary_against_account_number'
filters[fn] = frappe.get_value('DATEV Settings', filters.get('company'), fn)
data = get_transactions(filters, as_dict=0)
return COLUMNS, data
def validate(filters):
"""Make sure all mandatory filters and settings are present."""
company = filters.get('company')
if not company:
frappe.throw(_('<b>Company</b> is a mandatory filter.'))
from_date = filters.get('from_date')
if not from_date:
frappe.throw(_('<b>From Date</b> is a mandatory filter.'))
to_date = filters.get('to_date')
if not to_date:
frappe.throw(_('<b>To Date</b> is a mandatory filter.'))
validate_fiscal_year(from_date, to_date, company)
if not frappe.db.exists('DATEV Settings', filters.get('company')):
msg = 'Please create DATEV Settings for Company {}'.format(filters.get('company'))
frappe.log_error(msg, title='DATEV Settings missing')
return False
return True
def validate_fiscal_year(from_date, to_date, company):
from_fiscal_year = get_fiscal_year(date=from_date, company=company)
to_fiscal_year = get_fiscal_year(date=to_date, company=company)
if from_fiscal_year != to_fiscal_year:
frappe.throw(_('Dates {} and {} are not in the same fiscal year.').format(from_date, to_date))
def get_transactions(filters, as_dict=1):
def run(params_method, filters):
extra_fields, extra_joins, extra_filters = params_method(filters)
return run_query(filters, extra_fields, extra_joins, extra_filters, as_dict=as_dict)
def sort_by(row):
# "Belegdatum" is in the fifth column when list format is used
return row["Belegdatum" if as_dict else 5]
type_map = {
# specific query methods for some voucher types
"Payment Entry": get_payment_entry_params,
"Sales Invoice": get_sales_invoice_params,
"Purchase Invoice": get_purchase_invoice_params
}
only_voucher_type = filters.get("voucher_type")
transactions = []
for voucher_type, get_voucher_params in type_map.items():
if only_voucher_type and only_voucher_type != voucher_type:
continue
transactions.extend(run(params_method=get_voucher_params, filters=filters))
if not only_voucher_type or only_voucher_type not in type_map:
# generic query method for all other voucher types
filters["exclude_voucher_types"] = type_map.keys()
transactions.extend(run(params_method=get_generic_params, filters=filters))
return sorted(transactions, key=sort_by)
def get_payment_entry_params(filters):
extra_fields = """
, 'Zahlungsreferenz' as 'Beleginfo - Art 5'
, pe.reference_no as 'Beleginfo - Inhalt 5'
, 'Buchungstag' as 'Beleginfo - Art 6'
, pe.reference_date as 'Beleginfo - Inhalt 6'
, '' as 'Fälligkeit'
"""
extra_joins = """
LEFT JOIN `tabPayment Entry` pe
ON gl.voucher_no = pe.name
"""
extra_filters = """
AND gl.voucher_type = 'Payment Entry'
"""
return extra_fields, extra_joins, extra_filters
def get_sales_invoice_params(filters):
extra_fields = """
, '' as 'Beleginfo - Art 5'
, '' as 'Beleginfo - Inhalt 5'
, '' as 'Beleginfo - Art 6'
, '' as 'Beleginfo - Inhalt 6'
, si.due_date as 'Fälligkeit'
"""
extra_joins = """
LEFT JOIN `tabSales Invoice` si
ON gl.voucher_no = si.name
"""
extra_filters = """
AND gl.voucher_type = 'Sales Invoice'
"""
return extra_fields, extra_joins, extra_filters
def get_purchase_invoice_params(filters):
extra_fields = """
, 'Lieferanten-Rechnungsnummer' as 'Beleginfo - Art 5'
, pi.bill_no as 'Beleginfo - Inhalt 5'
, 'Lieferanten-Rechnungsdatum' as 'Beleginfo - Art 6'
, pi.bill_date as 'Beleginfo - Inhalt 6'
, pi.due_date as 'Fälligkeit'
"""
extra_joins = """
LEFT JOIN `tabPurchase Invoice` pi
ON gl.voucher_no = pi.name
"""
extra_filters = """
AND gl.voucher_type = 'Purchase Invoice'
"""
return extra_fields, extra_joins, extra_filters
def get_generic_params(filters):
# produce empty fields so all rows will have the same length
extra_fields = """
, '' as 'Beleginfo - Art 5'
, '' as 'Beleginfo - Inhalt 5'
, '' as 'Beleginfo - Art 6'
, '' as 'Beleginfo - Inhalt 6'
, '' as 'Fälligkeit'
"""
extra_joins = ""
if filters.get("exclude_voucher_types"):
# exclude voucher types that are queried by a dedicated method
exclude = "({})".format(', '.join("'{}'".format(key) for key in filters.get("exclude_voucher_types")))
extra_filters = "AND gl.voucher_type NOT IN {}".format(exclude)
# if voucher type filter is set, allow only this type
if filters.get("voucher_type"):
extra_filters += " AND gl.voucher_type = %(voucher_type)s"
return extra_fields, extra_joins, extra_filters
def run_query(filters, extra_fields, extra_joins, extra_filters, as_dict=1):
"""
Get a list of accounting entries.
Select GL Entries joined with Account and Party Account in order to get the
account numbers. Returns a list of accounting entries.
Arguments:
filters -- dict of filters to be passed to the sql query
as_dict -- return as list of dicts [0,1]
"""
query = """
SELECT
/* either debit or credit amount; always positive */
case gl.debit when 0 then gl.credit else gl.debit end as 'Umsatz (ohne Soll/Haben-Kz)',
/* 'H' when credit, 'S' when debit */
case gl.debit when 0 then 'H' else 'S' end as 'Soll/Haben-Kennzeichen',
/* account number or, if empty, party account number */
acc.account_number as 'Konto',
/* against number or, if empty, party against number */
%(temporary_against_account_number)s as 'Gegenkonto (ohne BU-Schlüssel)',
/* disable automatic VAT deduction */
'40' as 'BU-Schlüssel',
gl.posting_date as 'Belegdatum',
gl.voucher_no as 'Belegfeld 1',
LEFT(gl.remarks, 60) as 'Buchungstext',
gl.voucher_type as 'Beleginfo - Art 1',
gl.voucher_no as 'Beleginfo - Inhalt 1',
gl.against_voucher_type as 'Beleginfo - Art 2',
gl.against_voucher as 'Beleginfo - Inhalt 2',
gl.party_type as 'Beleginfo - Art 3',
gl.party as 'Beleginfo - Inhalt 3',
case gl.party_type when 'Customer' then 'Debitorennummer' when 'Supplier' then 'Kreditorennummer' else NULL end as 'Beleginfo - Art 4',
par.debtor_creditor_number as 'Beleginfo - Inhalt 4'
{extra_fields}
FROM `tabGL Entry` gl
/* Kontonummer */
LEFT JOIN `tabAccount` acc
ON gl.account = acc.name
LEFT JOIN `tabParty Account` par
ON par.parent = gl.party
AND par.parenttype = gl.party_type
AND par.company = %(company)s
{extra_joins}
WHERE gl.company = %(company)s
AND DATE(gl.posting_date) >= %(from_date)s
AND DATE(gl.posting_date) <= %(to_date)s
{extra_filters}
ORDER BY 'Belegdatum', gl.voucher_no""".format(
extra_fields=extra_fields,
extra_joins=extra_joins,
extra_filters=extra_filters
)
gl_entries = frappe.db.sql(query, filters, as_dict=as_dict)
return gl_entries
def get_customers(filters):
"""
Get a list of Customers.
Arguments:
filters -- dict of filters to be passed to the sql query
"""
return frappe.db.sql("""
SELECT
par.debtor_creditor_number as 'Konto',
CASE cus.customer_type
WHEN 'Company' THEN cus.customer_name
ELSE null
END as 'Name (Adressatentyp Unternehmen)',
CASE cus.customer_type
WHEN 'Individual' THEN TRIM(SUBSTR(cus.customer_name, LOCATE(' ', cus.customer_name)))
ELSE null
END as 'Name (Adressatentyp natürl. Person)',
CASE cus.customer_type
WHEN 'Individual' THEN SUBSTRING_INDEX(SUBSTRING_INDEX(cus.customer_name, ' ', 1), ' ', -1)
ELSE null
END as 'Vorname (Adressatentyp natürl. Person)',
CASE cus.customer_type
WHEN 'Individual' THEN '1'
WHEN 'Company' THEN '2'
ELSE '0'
END as 'Adressatentyp',
adr.address_line1 as 'Straße',
adr.pincode as 'Postleitzahl',
adr.city as 'Ort',
UPPER(country.code) as 'Land',
adr.address_line2 as 'Adresszusatz',
adr.email_id as 'E-Mail',
adr.phone as 'Telefon',
adr.fax as 'Fax',
cus.website as 'Internet',
cus.tax_id as 'Steuernummer'
FROM `tabCustomer` cus
left join `tabParty Account` par
on par.parent = cus.name
and par.parenttype = 'Customer'
and par.company = %(company)s
left join `tabDynamic Link` dyn_adr
on dyn_adr.link_name = cus.name
and dyn_adr.link_doctype = 'Customer'
and dyn_adr.parenttype = 'Address'
left join `tabAddress` adr
on adr.name = dyn_adr.parent
and adr.is_primary_address = '1'
left join `tabCountry` country
on country.name = adr.country
WHERE adr.is_primary_address = '1'
""", filters, as_dict=1)
def get_suppliers(filters):
"""
Get a list of Suppliers.
Arguments:
filters -- dict of filters to be passed to the sql query
"""
return frappe.db.sql("""
SELECT
par.debtor_creditor_number as 'Konto',
CASE sup.supplier_type
WHEN 'Company' THEN sup.supplier_name
ELSE null
END as 'Name (Adressatentyp Unternehmen)',
CASE sup.supplier_type
WHEN 'Individual' THEN TRIM(SUBSTR(sup.supplier_name, LOCATE(' ', sup.supplier_name)))
ELSE null
END as 'Name (Adressatentyp natürl. Person)',
CASE sup.supplier_type
WHEN 'Individual' THEN SUBSTRING_INDEX(SUBSTRING_INDEX(sup.supplier_name, ' ', 1), ' ', -1)
ELSE null
END as 'Vorname (Adressatentyp natürl. Person)',
CASE sup.supplier_type
WHEN 'Individual' THEN '1'
WHEN 'Company' THEN '2'
ELSE '0'
END as 'Adressatentyp',
adr.address_line1 as 'Straße',
adr.pincode as 'Postleitzahl',
adr.city as 'Ort',
UPPER(country.code) as 'Land',
adr.address_line2 as 'Adresszusatz',
adr.email_id as 'E-Mail',
adr.phone as 'Telefon',
adr.fax as 'Fax',
sup.website as 'Internet',
sup.tax_id as 'Steuernummer',
case sup.on_hold when 1 then sup.release_date else null end as 'Zahlungssperre bis'
FROM `tabSupplier` sup
left join `tabParty Account` par
on par.parent = sup.name
and par.parenttype = 'Supplier'
and par.company = %(company)s
left join `tabDynamic Link` dyn_adr
on dyn_adr.link_name = sup.name
and dyn_adr.link_doctype = 'Supplier'
and dyn_adr.parenttype = 'Address'
left join `tabAddress` adr
on adr.name = dyn_adr.parent
and adr.is_primary_address = '1'
left join `tabCountry` country
on country.name = adr.country
WHERE adr.is_primary_address = '1'
""", filters, as_dict=1)
def get_account_names(filters):
return frappe.db.sql("""
SELECT
account_number as 'Konto',
LEFT(account_name, 40) as 'Kontenbeschriftung',
'de-DE' as 'Sprach-ID'
FROM `tabAccount`
WHERE company = %(company)s
AND is_group = 0
AND account_number != ''
""", filters, as_dict=1)
@frappe.whitelist()
def download_datev_csv(filters):
"""
Provide accounting entries for download in DATEV format.
Validate the filters, get the data, produce the CSV file and provide it for
download. Can be called like this:
GET /api/method/erpnext.regional.report.datev.datev.download_datev_csv
Arguments / Params:
filters -- dict of filters to be passed to the sql query
"""
if isinstance(filters, string_types):
filters = json.loads(filters)
validate(filters)
company = filters.get('company')
fiscal_year = get_fiscal_year(date=filters.get('from_date'), company=company)
filters['fiscal_year_start'] = fiscal_year[1]
# set chart of accounts used
coa = frappe.get_value('Company', company, 'chart_of_accounts')
filters['skr'] = '04' if 'SKR04' in coa else ('03' if 'SKR03' in coa else '')
datev_settings = frappe.get_doc('DATEV Settings', company)
filters['account_number_length'] = datev_settings.account_number_length
filters['temporary_against_account_number'] = datev_settings.temporary_against_account_number
transactions = get_transactions(filters)
account_names = get_account_names(filters)
customers = get_customers(filters)
suppliers = get_suppliers(filters)
zip_name = '{} DATEV.zip'.format(frappe.utils.datetime.date.today())
zip_and_download(zip_name, [
{
'file_name': 'EXTF_Buchungsstapel.csv',
'csv_data': get_datev_csv(transactions, filters, csv_class=Transactions)
},
{
'file_name': 'EXTF_Kontenbeschriftungen.csv',
'csv_data': get_datev_csv(account_names, filters, csv_class=AccountNames)
},
{
'file_name': 'EXTF_Kunden.csv',
'csv_data': get_datev_csv(customers, filters, csv_class=DebtorsCreditors)
},
{
'file_name': 'EXTF_Lieferanten.csv',
'csv_data': get_datev_csv(suppliers, filters, csv_class=DebtorsCreditors)
},
])