117 lines
5.5 KiB
Python
117 lines
5.5 KiB
Python
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# -*- coding: utf-8 -*-
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# Part of Odoo. See LICENSE file for full copyright and licensing details.
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import io
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from odoo import api, models
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from odoo.tools.pdf import OdooPdfFileReader, OdooPdfFileWriter
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from pathlib import Path
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from reportlab.graphics.shapes import Drawing as ReportLabDrawing, Image as ReportLabImage
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from reportlab.lib.units import mm
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CH_QR_CROSS_SIZE_RATIO = 0.1522 # Ratio between the side length of the Swiss QR-code cross image and the QR-code's
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CH_QR_CROSS_FILE = Path('../static/src/img/CH-Cross_7mm.png') # Image file containing the Swiss QR-code cross to add on top of the QR-code
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class IrActionsReport(models.Model):
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_inherit = 'ir.actions.report'
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@api.model
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def get_available_barcode_masks(self):
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rslt = super(IrActionsReport, self).get_available_barcode_masks()
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rslt['ch_cross'] = self.apply_qr_code_ch_cross_mask
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return rslt
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@api.model
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def apply_qr_code_ch_cross_mask(self, width, height, barcode_drawing):
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assert isinstance(barcode_drawing, ReportLabDrawing)
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zoom_x = barcode_drawing.transform[0]
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zoom_y = barcode_drawing.transform[3]
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cross_width = CH_QR_CROSS_SIZE_RATIO * width
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cross_height = CH_QR_CROSS_SIZE_RATIO * height
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cross_path = Path(__file__).absolute().parent / CH_QR_CROSS_FILE
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qr_cross = ReportLabImage((width/2 - cross_width/2) / zoom_x, (height/2 - cross_height/2) / zoom_y, cross_width / zoom_x, cross_height / zoom_y, cross_path.as_posix())
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barcode_drawing.add(qr_cross)
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def _render_qweb_pdf_prepare_streams(self, report_ref, data, res_ids=None):
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# OVERRIDE
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res = super()._render_qweb_pdf_prepare_streams(report_ref, data, res_ids)
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if not res_ids:
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return res
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report = self._get_report(report_ref)
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if self._is_invoice_report(report_ref):
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invoices = self.env[report.model].browse(res_ids)
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# Determine which invoices need a QR/ISR.
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qr_inv_ids = []
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isr_inv_ids = []
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for invoice in invoices:
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# avoid duplicating existing streams
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if report.attachment_use and report.retrieve_attachment(invoice):
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continue
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if invoice.l10n_ch_is_qr_valid:
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qr_inv_ids.append(invoice.id)
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elif invoice.company_id.country_code == 'CH' and invoice.l10n_ch_isr_valid:
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isr_inv_ids.append(invoice.id)
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# Render the additional reports.
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streams_to_append = {}
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if qr_inv_ids:
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qr_res = self._render_qweb_pdf_prepare_streams(
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'l10n_ch.l10n_ch_qr_report',
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{
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**data,
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'skip_headers': False,
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},
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res_ids=qr_inv_ids,
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)
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header = self.env.ref('l10n_ch.l10n_ch_qr_header', raise_if_not_found=False)
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if header:
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# Make a separated rendering to get the a page containing the company header. Then, merge the qr bill with it.
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header_res = self._render_qweb_pdf_prepare_streams(
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'l10n_ch.l10n_ch_qr_header',
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{
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**data,
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'skip_headers': True,
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},
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res_ids=qr_inv_ids,
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)
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for invoice_id, stream in qr_res.items():
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qr_pdf = OdooPdfFileReader(stream['stream'], strict=False)
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header_pdf = OdooPdfFileReader(header_res[invoice_id]['stream'], strict=False)
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page = header_pdf.getPage(0)
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page.mergePage(qr_pdf.getPage(0))
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output_pdf = OdooPdfFileWriter()
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output_pdf.addPage(page)
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new_pdf_stream = io.BytesIO()
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output_pdf.write(new_pdf_stream)
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streams_to_append[invoice_id] = {'stream': new_pdf_stream}
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else:
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for invoice_id, stream in qr_res.items():
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streams_to_append[invoice_id] = stream
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if isr_inv_ids:
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isr_res = self._render_qweb_pdf_prepare_streams('l10n_ch.l10n_ch_isr_report', data, res_ids=isr_inv_ids)
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for invoice_id, stream in isr_res.items():
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streams_to_append[invoice_id] = stream
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# Add to results
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for invoice_id, additional_stream in streams_to_append.items():
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invoice_stream = res[invoice_id]['stream']
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writer = OdooPdfFileWriter()
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writer.appendPagesFromReader(OdooPdfFileReader(invoice_stream, strict=False))
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writer.appendPagesFromReader(OdooPdfFileReader(additional_stream['stream'], strict=False))
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new_pdf_stream = io.BytesIO()
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writer.write(new_pdf_stream)
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res[invoice_id]['stream'] = new_pdf_stream
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invoice_stream.close()
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additional_stream['stream'].close()
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return res
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def get_paperformat(self):
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if self.env.context.get('snailmail_layout'):
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if self.report_name == 'l10n_ch.qr_report_main':
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return self.env.ref('l10n_ch.paperformat_euro_no_margin')
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if self.report_name == 'l10n_ch.qr_report_header':
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return self.env.ref('l10n_din5008.paperformat_euro_din')
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return super(IrActionsReport, self).get_paperformat()
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