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72 lines
3.3 KiB
Python
72 lines
3.3 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-today pretix GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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from django.utils.translation import gettext_lazy as _
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from lxml import etree
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def parse(file):
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# Spec: https://www.ebics.de/de/datenformate
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data = file.read()
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root = etree.fromstring(data)
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statements = root.findall("{*}BkToCstmrStmt/{*}Stmt")
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if not statements:
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raise ValueError(_("Empty file or unknown format."))
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def get_text(findall_result):
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if len(findall_result) == 1:
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return findall_result[0].text
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return ""
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rows = []
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for stmt in statements:
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for ntry in stmt.findall("{*}Ntry"):
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minus = ""
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otherparty = "Dbtr"
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if ntry.findall("{*}CdtDbtInd")[0].text == "DBIT":
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otherparty = "Cdtr"
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minus = "-"
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reference_parts = [
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get_text(ntry.findall("{*}NtryDtls/{*}TxDtls/{*}RmtInf/{*}Ustrd")),
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get_text(ntry.findall("{*}NtryDtls/{*}TxDtls/{*}Refs/{*}EndToEndId")),
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get_text(ntry.findall("{*}NtryDtls/{*}TxDtls/{*}Refs/{*}InstructionIdentification")),
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]
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if ntry.findall("{*}NtryDtls/{*}Btch"):
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# Batch booking, we do not support splitting yet
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reference_parts.insert(0, get_text(ntry.findall("{*}NtryDtls/{*}Btch/{*}PmtInfId")))
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row = {
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'amount': minus + ntry.findall("{*}Amt")[0].text,
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'date': get_text(ntry.findall("{*}BookgDt/{*}Dt")),
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'reference': "\n".join(filter(lambda a: bool(a) and a != "NOTPROVIDED", reference_parts))
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}
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if ext_id := get_text(ntry.findall("{*}AcctSvcrRef")):
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row['external_id'] = ext_id
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if iban := get_text(ntry.findall(f"{{*}}NtryDtls/{{*}}TxDtls/{{*}}RltdPties/{{*}}{otherparty}Acct/{{*}}Id/{{*}}IBAN")):
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row['iban'] = iban
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if bic := get_text(ntry.findall(f"{{*}}NtryDtls/{{*}}TxDtls/{{*}}RltdAgts/{{*}}{otherparty}Agt/{{*}}FinInstnId/{{*}}BICFI")):
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row['bic'] = bic
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if payer := get_text(ntry.findall(f"{{*}}NtryDtls/{{*}}TxDtls/{{*}}RltdPties/{{*}}{otherparty}/{{*}}Nm")):
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row['payer'] = payer
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rows.append(row)
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return rows
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