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T2288 Feat: Max pages for a letter #2028

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T2288 Feat: Max pages for a letter #2028

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T2288 Feat: Max pages for a letter
Apr 9, 2025
4e59189
T2288 Feat: Max pages for a letter
Apr 9, 2025
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20 changes: 20 additions & 0 deletions sbc_compassion/models/correspondence_s2b_generator.py
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Original file line number Diff line number Diff line change
Expand Up @@ -131,6 +131,26 @@ def onchange_month(self):
def preview(self):
"""Generate a picture for preview."""
pdf = self._get_pdf(self.sponsorship_ids[:1])[0]

# T2288 Force the maximum pages of a letter to be 15
pdf_list = self._get_pdf(self.sponsorship_ids[:1])
pdfPagesCount = (
pdf_list[0]
if pdf_list and isinstance(pdf_list[0], (bytes, bytearray))
else None
)

# Convert the byte string into a file-like object and initialize the PDF reader.
reader = PdfFileReader(BytesIO(pdfPagesCount))
# Count the number of pages in the PDF.
pageCount = len(reader.pages)

# Raise an error if the letter exceeds 15 pages, showing the actual number.
if pageCount > 15:
raise UserError(
_("This letter has %d pages. Please limit it to 15 pages.") % pageCount
)

if self.template_id.layout == "CH-A-3S01-1":
# Read page 2
in_pdf = PdfFileReader(BytesIO(pdf))
Expand Down