l10n-switzerland-flectra/l10n_ch_invoice_reports/models/report.py
Raphael Ritter 22ee40100d [FIX] Multiple modules which had wrong dependencies
[FIX] l10n_ch_zip
[ADD] Added latest OCA Modules
[REMOVE] Removed QR modules which are not required anymore
2021-11-17 14:48:42 +01:00

72 lines
2.4 KiB
Python

# Copyright 2020 Camptocamp SA
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
import io
from io import BytesIO
import PyPDF2
from flectra import models
class IrActionsReport(models.Model):
_inherit = "ir.actions.report"
def merge_pdf_in_memory(self, docs):
streams = []
writer = PyPDF2.PdfFileWriter()
for doc in docs:
if doc:
current_buff = BytesIO()
streams.append(current_buff)
current_buff.write(doc.read())
current_buff.seek(0)
reader = PyPDF2.PdfFileReader(current_buff)
for page in range(reader.getNumPages()):
writer.addPage(reader.getPage(page))
else:
writer.addBlankPage()
buff = BytesIO()
try:
# The writer close the reader file here
writer.write(buff)
return buff.getvalue()
except IOError:
raise
finally:
buff.close()
for stream in streams:
stream.close()
def _render_qweb_pdf(self, res_ids=None, data=None):
reports = [
"l10n_ch_invoice_reports.invoice_isr_report_main",
"l10n_ch_invoice_reports.invoice_qr_report_main",
"l10n_ch_invoice_reports.invoice_qr_isr_report_main",
]
if self.report_name not in reports or not res_ids:
return super()._render_qweb_pdf(res_ids, data)
inv_report = self._get_report_from_name("account.report_invoice")
invoice_pdf, _ = inv_report._render_qweb_pdf(res_ids, data)
invoice_pdf_io = io.BytesIO(invoice_pdf)
isr_report = self._get_report_from_name("l10n_ch.isr_report_main")
isr_pdf, _ = isr_report._render_qweb_pdf(res_ids, data)
isr_pdf_io = io.BytesIO(isr_pdf)
qr_report = self._get_report_from_name("l10n_ch.qr_report_main")
qr_pdf, _ = qr_report._render_qweb_pdf(res_ids, data)
qr_pdf_io = io.BytesIO(qr_pdf)
pdf = False
if self.report_name == reports[0]:
pdf = self.merge_pdf_in_memory([invoice_pdf_io, isr_pdf_io])
elif self.report_name == reports[1]:
pdf = self.merge_pdf_in_memory([invoice_pdf_io, qr_pdf_io])
else:
pdf = self.merge_pdf_in_memory([invoice_pdf_io, isr_pdf_io, qr_pdf_io])
invoice_pdf_io.close()
isr_pdf_io.close()
qr_pdf_io.close()
return (pdf, "pdf")