415 lines
15 KiB
Python
415 lines
15 KiB
Python
from __future__ import unicode_literals
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import io
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import json
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import frappe
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from frappe.utils import flt, cstr
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from erpnext.controllers.taxes_and_totals import get_itemised_tax
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from frappe import _
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from frappe.core.doctype.file.file import remove_file
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from six import string_types
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from frappe.desk.form.load import get_attachments
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from erpnext.regional.italy import state_codes
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def update_itemised_tax_data(doc):
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if not doc.taxes: return
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if doc.doctype == "Purchase Invoice": return
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itemised_tax = get_itemised_tax(doc.taxes)
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for row in doc.items:
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tax_rate = 0.0
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if itemised_tax.get(row.item_code):
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tax_rate = sum([tax.get('tax_rate', 0) for d, tax in itemised_tax.get(row.item_code).items()])
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row.tax_rate = flt(tax_rate, row.precision("tax_rate"))
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row.tax_amount = flt((row.net_amount * tax_rate) / 100, row.precision("net_amount"))
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row.total_amount = flt((row.net_amount + row.tax_amount), row.precision("total_amount"))
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@frappe.whitelist()
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def export_invoices(filters=None):
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frappe.has_permission('Sales Invoice', throw=True)
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invoices = frappe.get_all(
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"Sales Invoice",
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filters=get_conditions(filters),
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fields=["name", "company_tax_id"]
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)
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attachments = get_e_invoice_attachments(invoices)
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zip_filename = "{0}-einvoices.zip".format(
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frappe.utils.get_datetime().strftime("%Y%m%d_%H%M%S"))
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download_zip(attachments, zip_filename)
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def prepare_invoice(invoice, progressive_number):
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#set company information
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company = frappe.get_doc("Company", invoice.company)
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invoice.progressive_number = progressive_number
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invoice.unamended_name = get_unamended_name(invoice)
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invoice.company_data = company
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company_address = frappe.get_doc("Address", invoice.company_address)
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invoice.company_address_data = company_address
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#Set invoice type
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if not invoice.type_of_document:
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if invoice.is_return and invoice.return_against:
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invoice.type_of_document = "TD04" #Credit Note (Nota di Credito)
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invoice.return_against_unamended = get_unamended_name(frappe.get_doc("Sales Invoice", invoice.return_against))
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else:
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invoice.type_of_document = "TD01" #Sales Invoice (Fattura)
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#set customer information
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invoice.customer_data = frappe.get_doc("Customer", invoice.customer)
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customer_address = frappe.get_doc("Address", invoice.customer_address)
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invoice.customer_address_data = customer_address
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if invoice.shipping_address_name:
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invoice.shipping_address_data = frappe.get_doc("Address", invoice.shipping_address_name)
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if invoice.customer_data.is_public_administration:
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invoice.transmission_format_code = "FPA12"
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else:
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invoice.transmission_format_code = "FPR12"
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invoice.e_invoice_items = [item for item in invoice.items]
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tax_data = get_invoice_summary(invoice.e_invoice_items, invoice.taxes)
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invoice.tax_data = tax_data
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#Check if stamp duty (Bollo) of 2 EUR exists.
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stamp_duty_charge_row = next((tax for tax in invoice.taxes if tax.charge_type == "Actual" and tax.tax_amount == 2.0 ), None)
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if stamp_duty_charge_row:
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invoice.stamp_duty = stamp_duty_charge_row.tax_amount
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for item in invoice.e_invoice_items:
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if item.tax_rate == 0.0 and item.tax_amount == 0.0 and tax_data.get("0.0"):
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item.tax_exemption_reason = tax_data["0.0"]["tax_exemption_reason"]
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customer_po_data = {}
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for d in invoice.e_invoice_items:
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if (d.customer_po_no and d.customer_po_date
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and d.customer_po_no not in customer_po_data):
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customer_po_data[d.customer_po_no] = d.customer_po_date
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invoice.customer_po_data = customer_po_data
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return invoice
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def get_conditions(filters):
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filters = json.loads(filters)
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conditions = {"docstatus": 1, "company_tax_id": ("!=", "")}
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if filters.get("company"): conditions["company"] = filters["company"]
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if filters.get("customer"): conditions["customer"] = filters["customer"]
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if filters.get("from_date"): conditions["posting_date"] = (">=", filters["from_date"])
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if filters.get("to_date"): conditions["posting_date"] = ("<=", filters["to_date"])
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if filters.get("from_date") and filters.get("to_date"):
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conditions["posting_date"] = ("between", [filters.get("from_date"), filters.get("to_date")])
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return conditions
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def download_zip(files, output_filename):
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import zipfile
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zip_stream = io.BytesIO()
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with zipfile.ZipFile(zip_stream, 'w', zipfile.ZIP_DEFLATED) as zip_file:
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for file in files:
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file_path = frappe.utils.get_files_path(
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file.file_name, is_private=file.is_private)
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zip_file.write(file_path, arcname=file.file_name)
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frappe.local.response.filename = output_filename
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frappe.local.response.filecontent = zip_stream.getvalue()
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frappe.local.response.type = "download"
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zip_stream.close()
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def get_invoice_summary(items, taxes):
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summary_data = frappe._dict()
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for tax in taxes:
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#Include only VAT charges.
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if tax.charge_type == "Actual":
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continue
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#Charges to appear as items in the e-invoice.
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if tax.charge_type in ["On Previous Row Total", "On Previous Row Amount"]:
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reference_row = next((row for row in taxes if row.idx == int(tax.row_id or 0)), None)
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if reference_row:
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items.append(
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frappe._dict(
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idx=len(items)+1,
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item_code=reference_row.description,
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item_name=reference_row.description,
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description=reference_row.description,
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rate=reference_row.tax_amount,
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qty=1.0,
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amount=reference_row.tax_amount,
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stock_uom=frappe.db.get_single_value("Stock Settings", "stock_uom") or _("Nos"),
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tax_rate=tax.rate,
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tax_amount=(reference_row.tax_amount * tax.rate) / 100,
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net_amount=reference_row.tax_amount,
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taxable_amount=reference_row.tax_amount,
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item_tax_rate={tax.account_head: tax.rate},
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charges=True
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)
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)
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#Check item tax rates if tax rate is zero.
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if tax.rate == 0:
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for item in items:
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item_tax_rate = item.item_tax_rate
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if isinstance(item.item_tax_rate, string_types):
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item_tax_rate = json.loads(item.item_tax_rate)
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if item_tax_rate and tax.account_head in item_tax_rate:
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key = cstr(item_tax_rate[tax.account_head])
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if key not in summary_data:
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summary_data.setdefault(key, {"tax_amount": 0.0, "taxable_amount": 0.0,
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"tax_exemption_reason": "", "tax_exemption_law": ""})
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summary_data[key]["tax_amount"] += item.tax_amount
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summary_data[key]["taxable_amount"] += item.net_amount
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if key == "0.0":
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summary_data[key]["tax_exemption_reason"] = tax.tax_exemption_reason
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summary_data[key]["tax_exemption_law"] = tax.tax_exemption_law
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if summary_data.get("0.0") and tax.charge_type in ["On Previous Row Total",
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"On Previous Row Amount"]:
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summary_data[key]["taxable_amount"] = tax.total
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if summary_data == {}: #Implies that Zero VAT has not been set on any item.
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summary_data.setdefault("0.0", {"tax_amount": 0.0, "taxable_amount": tax.total,
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"tax_exemption_reason": tax.tax_exemption_reason, "tax_exemption_law": tax.tax_exemption_law})
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else:
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item_wise_tax_detail = json.loads(tax.item_wise_tax_detail)
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for rate_item in [tax_item for tax_item in item_wise_tax_detail.items() if tax_item[1][0] == tax.rate]:
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key = cstr(tax.rate)
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if not summary_data.get(key): summary_data.setdefault(key, {"tax_amount": 0.0, "taxable_amount": 0.0})
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summary_data[key]["tax_amount"] += rate_item[1][1]
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summary_data[key]["taxable_amount"] += sum([item.net_amount for item in items if item.item_code == rate_item[0]])
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for item in items:
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key = cstr(tax.rate)
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if item.get("charges"):
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if not summary_data.get(key): summary_data.setdefault(key, {"taxable_amount": 0.0})
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summary_data[key]["taxable_amount"] += item.taxable_amount
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return summary_data
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#Preflight for successful e-invoice export.
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def sales_invoice_validate(doc):
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#Validate company
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if doc.doctype != 'Sales Invoice':
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return
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if not doc.company_address:
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frappe.throw(_("Please set an Address on the Company '%s'" % doc.company), title=_("E-Invoicing Information Missing"))
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else:
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validate_address(doc.company_address)
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company_fiscal_regime = frappe.get_cached_value("Company", doc.company, 'fiscal_regime')
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if not company_fiscal_regime:
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frappe.throw(_("Fiscal Regime is mandatory, kindly set the fiscal regime in the company {0}")
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.format(doc.company))
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else:
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doc.company_fiscal_regime = company_fiscal_regime
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doc.company_tax_id = frappe.get_cached_value("Company", doc.company, 'tax_id')
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doc.company_fiscal_code = frappe.get_cached_value("Company", doc.company, 'fiscal_code')
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if not doc.company_tax_id and not doc.company_fiscal_code:
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frappe.throw(_("Please set either the Tax ID or Fiscal Code on Company '%s'" % doc.company), title=_("E-Invoicing Information Missing"))
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#Validate customer details
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customer = frappe.get_doc("Customer", doc.customer)
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if customer.customer_type == "Individual":
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doc.customer_fiscal_code = customer.fiscal_code
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if not doc.customer_fiscal_code:
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frappe.throw(_("Please set Fiscal Code for the customer '%s'" % doc.customer), title=_("E-Invoicing Information Missing"))
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else:
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if customer.is_public_administration:
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doc.customer_fiscal_code = customer.fiscal_code
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if not doc.customer_fiscal_code:
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frappe.throw(_("Please set Fiscal Code for the public administration '%s'" % doc.customer), title=_("E-Invoicing Information Missing"))
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else:
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doc.tax_id = customer.tax_id
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if not doc.tax_id:
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frappe.throw(_("Please set Tax ID for the customer '%s'" % doc.customer), title=_("E-Invoicing Information Missing"))
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if not doc.customer_address:
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frappe.throw(_("Please set the Customer Address"), title=_("E-Invoicing Information Missing"))
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else:
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validate_address(doc.customer_address)
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if not len(doc.taxes):
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frappe.throw(_("Please set at least one row in the Taxes and Charges Table"), title=_("E-Invoicing Information Missing"))
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else:
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for row in doc.taxes:
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if row.rate == 0 and row.tax_amount == 0 and not row.tax_exemption_reason:
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frappe.throw(_("Row {0}: Please set at Tax Exemption Reason in Sales Taxes and Charges").format(row.idx),
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title=_("E-Invoicing Information Missing"))
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for schedule in doc.payment_schedule:
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if schedule.mode_of_payment and not schedule.mode_of_payment_code:
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schedule.mode_of_payment_code = frappe.get_cached_value('Mode of Payment',
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schedule.mode_of_payment, 'mode_of_payment_code')
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#Ensure payment details are valid for e-invoice.
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def sales_invoice_on_submit(doc, method):
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#Validate payment details
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if get_company_country(doc.company) not in ['Italy',
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'Italia', 'Italian Republic', 'Repubblica Italiana']:
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return
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if not len(doc.payment_schedule):
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frappe.throw(_("Please set the Payment Schedule"), title=_("E-Invoicing Information Missing"))
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else:
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for schedule in doc.payment_schedule:
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if not schedule.mode_of_payment:
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frappe.throw(_("Row {0}: Please set the Mode of Payment in Payment Schedule").format(schedule.idx),
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title=_("E-Invoicing Information Missing"))
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elif not frappe.db.get_value("Mode of Payment", schedule.mode_of_payment, "mode_of_payment_code"):
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frappe.throw(_("Row {0}: Please set the correct code on Mode of Payment {1}").format(schedule.idx, schedule.mode_of_payment),
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title=_("E-Invoicing Information Missing"))
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prepare_and_attach_invoice(doc)
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def prepare_and_attach_invoice(doc, replace=False):
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progressive_name, progressive_number = get_progressive_name_and_number(doc, replace)
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invoice = prepare_invoice(doc, progressive_number)
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item_meta = frappe.get_meta("Sales Invoice Item")
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invoice_xml = frappe.render_template('erpnext/regional/italy/e-invoice.xml',
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context={"doc": invoice, "item_meta": item_meta}, is_path=True)
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invoice_xml = invoice_xml.replace("&", "&")
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xml_filename = progressive_name + ".xml"
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_file = frappe.get_doc({
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"doctype": "File",
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"file_name": xml_filename,
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"attached_to_doctype": doc.doctype,
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"attached_to_name": doc.name,
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"is_private": True,
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"content": invoice_xml
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})
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_file.save()
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return _file
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@frappe.whitelist()
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def generate_single_invoice(docname):
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doc = frappe.get_doc("Sales Invoice", docname)
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frappe.has_permission("Sales Invoice", doc=doc, throw=True)
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e_invoice = prepare_and_attach_invoice(doc, True)
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return e_invoice.file_url
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# Delete e-invoice attachment on cancel.
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def sales_invoice_on_cancel(doc, method):
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if get_company_country(doc.company) not in ['Italy',
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'Italia', 'Italian Republic', 'Repubblica Italiana']:
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return
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for attachment in get_e_invoice_attachments(doc):
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remove_file(attachment.name, attached_to_doctype=doc.doctype, attached_to_name=doc.name)
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def get_company_country(company):
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return frappe.get_cached_value('Company', company, 'country')
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def get_e_invoice_attachments(invoices):
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if not isinstance(invoices, list):
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if not invoices.company_tax_id:
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return
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invoices = [invoices]
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tax_id_map = {
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invoice.name: (
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invoice.company_tax_id
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if invoice.company_tax_id.startswith("IT")
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else "IT" + invoice.company_tax_id
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) for invoice in invoices
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}
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attachments = frappe.get_all(
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"File",
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fields=("name", "file_name", "attached_to_name", "is_private"),
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filters= {
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"attached_to_name": ('in', tax_id_map),
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"attached_to_doctype": 'Sales Invoice'
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}
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)
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out = []
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for attachment in attachments:
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if (
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attachment.file_name
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and attachment.file_name.endswith(".xml")
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and attachment.file_name.startswith(
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tax_id_map.get(attachment.attached_to_name))
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):
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out.append(attachment)
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return out
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def validate_address(address_name):
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fields = ["pincode", "city", "country_code"]
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data = frappe.get_cached_value("Address", address_name, fields, as_dict=1) or {}
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for field in fields:
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if not data.get(field):
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frappe.throw(_("Please set {0} for address {1}").format(field.replace('-',''), address_name),
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title=_("E-Invoicing Information Missing"))
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def get_unamended_name(doc):
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attributes = ["naming_series", "amended_from"]
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for attribute in attributes:
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if not hasattr(doc, attribute):
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return doc.name
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if doc.amended_from:
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return "-".join(doc.name.split("-")[:-1])
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else:
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return doc.name
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def get_progressive_name_and_number(doc, replace=False):
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if replace:
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for attachment in get_e_invoice_attachments(doc):
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remove_file(attachment.name, attached_to_doctype=doc.doctype, attached_to_name=doc.name)
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filename = attachment.file_name.split(".xml")[0]
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return filename, filename.split("_")[1]
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company_tax_id = doc.company_tax_id if doc.company_tax_id.startswith("IT") else "IT" + doc.company_tax_id
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progressive_name = frappe.model.naming.make_autoname(company_tax_id + "_.#####")
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progressive_number = progressive_name.split("_")[1]
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return progressive_name, progressive_number
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def set_state_code(doc, method):
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if doc.get('country_code'):
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doc.country_code = doc.country_code.upper()
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if not doc.get('state'):
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return
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if not (hasattr(doc, "state_code") and doc.country in ["Italy", "Italia", "Italian Republic", "Repubblica Italiana"]):
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return
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state_codes_lower = {key.lower():value for key,value in state_codes.items()}
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state = doc.get('state','').lower()
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if state_codes_lower.get(state):
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doc.state_code = state_codes_lower.get(state)
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