brotherton-erpnext/erpnext/accounts/report/tax_detail/tax_detail.py
2021-11-05 11:16:29 +05:30

298 lines
9.3 KiB
Python

# Copyright (c) 2021, Frappe Technologies Pvt. Ltd. and contributors
# For license information, please see license.txt
# Contributed by Case Solved and sponsored by Nulight Studios
import json
import frappe
from frappe import _
# NOTE: Payroll is implemented using Journal Entries which are included as GL Entries
# field lists in multiple doctypes will be coalesced
required_sql_fields = {
("GL Entry", 1): ["posting_date"],
("Account",): ["root_type", "account_type"],
("GL Entry", 2): ["account", "voucher_type", "voucher_no", "debit", "credit"],
("Purchase Invoice Item", "Sales Invoice Item"): ["base_net_amount", "item_tax_rate", "item_tax_template", "item_group", "item_name"],
("Purchase Invoice", "Sales Invoice"): ["taxes_and_charges", "tax_category"],
}
def execute(filters=None):
if not filters:
return [], []
fieldlist = required_sql_fields
fieldstr = get_fieldstr(fieldlist)
gl_entries = frappe.db.sql("""
select {fieldstr}
from `tabGL Entry` ge
inner join `tabAccount` a on
ge.account=a.name and ge.company=a.company
left join `tabSales Invoice` si on
ge.company=si.company and ge.voucher_type='Sales Invoice' and ge.voucher_no=si.name
left join `tabSales Invoice Item` sii on
a.root_type='Income' and si.name=sii.parent
left join `tabPurchase Invoice` pi on
ge.company=pi.company and ge.voucher_type='Purchase Invoice' and ge.voucher_no=pi.name
left join `tabPurchase Invoice Item` pii on
a.root_type='Expense' and pi.name=pii.parent
where
ge.company=%(company)s and
ge.posting_date>=%(from_date)s and
ge.posting_date<=%(to_date)s
order by ge.posting_date, ge.voucher_no
""".format(fieldstr=fieldstr), filters, as_dict=1)
report_data = modify_report_data(gl_entries)
summary = None
if filters['mode'] == 'run' and filters['report_name'] != 'Tax Detail':
report_data, summary = run_report(filters['report_name'], report_data)
# return columns, data, message, chart, report_summary
return get_columns(fieldlist), report_data, None, None, summary
def run_report(report_name, data):
"Applies the sections and filters saved in the custom report"
report_config = json.loads(frappe.get_doc('Report', report_name).json)
# Columns indexed from 1 wrt colno
columns = report_config.get('columns')
sections = report_config.get('sections', {})
show_detail = report_config.get('show_detail', 1)
report = {}
new_data = []
summary = []
for section_name, section in sections.items():
report[section_name] = {'rows': [], 'subtotal': 0.0}
for component_name, component in section.items():
if component['type'] == 'filter':
for row in data:
matched = True
for colno, filter_string in component['filters'].items():
filter_field = columns[int(colno) - 1]['fieldname']
if not filter_match(row[filter_field], filter_string):
matched = False
break
if matched:
report[section_name]['rows'] += [row]
report[section_name]['subtotal'] += row['amount']
if component['type'] == 'section':
if component_name == section_name:
frappe.throw(_("A report component cannot refer to its parent section") + ": " + section_name)
try:
report[section_name]['rows'] += report[component_name]['rows']
report[section_name]['subtotal'] += report[component_name]['subtotal']
except KeyError:
frappe.throw(_("A report component can only refer to an earlier section") + ": " + section_name)
if show_detail:
new_data += report[section_name]['rows']
new_data += [{'voucher_no': section_name, 'amount': report[section_name]['subtotal']}]
summary += [{'label': section_name, 'datatype': 'Currency', 'value': report[section_name]['subtotal']}]
if show_detail:
new_data += [{}]
return new_data or data, summary or None
def filter_match(value, string):
"Approximation to datatable filters"
import datetime
if string == '':
return True
if value is None:
value = -999999999999999
elif isinstance(value, datetime.date):
return True
if isinstance(value, str):
value = value.lower()
string = string.lower()
if string[0] == '<':
return True if string[1:].strip() else False
elif string[0] == '>':
return False if string[1:].strip() else True
elif string[0] == '=':
return string[1:] in value if string[1:] else False
elif string[0:2] == '!=':
return string[2:] not in value
elif len(string.split(':')) == 2:
pre, post = string.split(':')
return (True if not pre.strip() and post.strip() in value else False)
else:
return string in value
else:
if string[0] in ['<', '>', '=']:
operator = string[0]
if operator == '=':
operator = '=='
string = string[1:].strip()
elif string[0:2] == '!=':
operator = '!='
string = string[2:].strip()
elif len(string.split(':')) == 2:
pre, post = string.split(':')
try:
return (True if float(pre) <= value and float(post) >= value else False)
except ValueError:
return (False if pre.strip() else True)
else:
return string in str(value)
try:
num = float(string) if string.strip() else 0
return frappe.safe_eval(f'{value} {operator} {num}')
except ValueError:
if operator == '<':
return True
return False
def abbrev(dt):
return ''.join(l[0].lower() for l in dt.split(' ')) + '.'
def doclist(dt, dfs):
return [abbrev(dt) + f for f in dfs]
def as_split(fields):
for field in fields:
split = field.split(' as ')
yield (split[0], split[1] if len(split) > 1 else split[0])
def coalesce(doctypes, fields):
coalesce = []
for name, new_name in as_split(fields):
sharedfields = ', '.join(abbrev(dt) + name for dt in doctypes)
coalesce += [f'coalesce({sharedfields}) as {new_name}']
return coalesce
def get_fieldstr(fieldlist):
fields = []
for doctypes, docfields in fieldlist.items():
if len(doctypes) == 1 or isinstance(doctypes[1], int):
fields += doclist(doctypes[0], docfields)
else:
fields += coalesce(doctypes, docfields)
return ', '.join(fields)
def get_columns(fieldlist):
columns = {}
for doctypes, docfields in fieldlist.items():
fieldmap = {name: new_name for name, new_name in as_split(docfields)}
for doctype in doctypes:
if isinstance(doctype, int):
break
meta = frappe.get_meta(doctype)
# get column field metadata from the db
fieldmeta = {}
for field in meta.get('fields'):
if field.fieldname in fieldmap.keys():
new_name = fieldmap[field.fieldname]
fieldmeta[new_name] = {
"label": _(field.label),
"fieldname": new_name,
"fieldtype": field.fieldtype,
"options": field.options
}
# edit the columns to match the modified data
for field in fieldmap.values():
col = modify_report_columns(doctype, field, fieldmeta[field])
if col:
columns[col["fieldname"]] = col
# use of a dict ensures duplicate columns are removed
return list(columns.values())
def modify_report_columns(doctype, field, column):
"Because data is rearranged into other columns"
if doctype in ["Sales Invoice Item", "Purchase Invoice Item"]:
if field in ["item_tax_rate", "base_net_amount"]:
return None
if doctype == "GL Entry" and field in ["debit", "credit"]:
column.update({"label": _("Amount"), "fieldname": "amount"})
if field == "taxes_and_charges":
column.update({"label": _("Taxes and Charges Template")})
return column
def modify_report_data(data):
import json
new_data = []
for line in data:
if line.debit:
line.amount = -line.debit
else:
line.amount = line.credit
# Remove Invoice GL Tax Entries and generate Tax entries from the invoice lines
if "Invoice" in line.voucher_type:
if line.account_type not in ("Tax", "Round Off"):
new_data += [line]
if line.item_tax_rate:
tax_rates = json.loads(line.item_tax_rate)
for account, rate in tax_rates.items():
tax_line = line.copy()
tax_line.account_type = "Tax"
tax_line.account = account
if line.voucher_type == "Sales Invoice":
line.amount = line.base_net_amount
tax_line.amount = line.base_net_amount * (rate / 100)
if line.voucher_type == "Purchase Invoice":
line.amount = -line.base_net_amount
tax_line.amount = -line.base_net_amount * (rate / 100)
new_data += [tax_line]
else:
new_data += [line]
return new_data
# JS client utilities
custom_report_dict = {
'ref_doctype': 'GL Entry',
'report_type': 'Custom Report',
'reference_report': 'Tax Detail'
}
@frappe.whitelist()
def get_custom_reports(name=None):
filters = custom_report_dict.copy()
if name:
filters['name'] = name
reports = frappe.get_list('Report',
filters = filters,
fields = ['name', 'json'],
as_list=False
)
reports_dict = {rep.pop('name'): rep for rep in reports}
# Prevent custom reports with the same name
reports_dict['Tax Detail'] = {'json': None}
return reports_dict
@frappe.whitelist()
def save_custom_report(reference_report, report_name, data):
if reference_report != 'Tax Detail':
frappe.throw(_("The wrong report is referenced."))
if report_name == 'Tax Detail':
frappe.throw(_("The parent report cannot be overwritten."))
doc = {
'doctype': 'Report',
'report_name': report_name,
'is_standard': 'No',
'module': 'Accounts',
'json': data
}
doc.update(custom_report_dict)
try:
newdoc = frappe.get_doc(doc)
newdoc.insert()
frappe.msgprint(_("Report created successfully"))
except frappe.exceptions.DuplicateEntryError:
dbdoc = frappe.get_doc('Report', report_name)
dbdoc.update(doc)
dbdoc.save()
frappe.msgprint(_("Report updated successfully"))
return report_name