54 lines
1.7 KiB
Python
54 lines
1.7 KiB
Python
import json
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import logging
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import pathlib
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import zipfile
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from celery import shared_task
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from django.utils import timezone
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from .models import Questionnaire, Export
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from .resource_generation_utils import create_planting_guide_pdf, get_filter_values, serialize_plants_queryset, storage
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@shared_task
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def generate_pdf(questionnaire_id, export_id):
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q = Questionnaire.objects.get(pk=questionnaire_id)
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z = q.zone
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export = Export.objects.get(pk=export_id)
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filename = f"export_{export.pk}/{q.slug}.pdf"
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try:
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create_planting_guide_pdf(
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get_filter_values({ # awful hack to reuse some logic we already have
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'coordinates': {'lat': q.location.y, 'lng': q.location.x},
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'soilVariant': q.soil_variant.name[0],
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'habitat': json.dumps({'name': z.habitat.name}),
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'zone': json.dumps({'name': z.name, 'variant': z.variant, 'refined_variant': z.refined_variant}),
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}),
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serialize_plants_queryset(q.plants),
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filename,
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)
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except Exception as e:
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logging.warning(e)
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else:
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if not storage.exists(filename):
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raise FileNotFoundError(f"There was an error creating file: {filename}")
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if export.completion >= 1:
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generate_zip.delay(export_id)
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@shared_task
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def generate_zip(export_id):
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export = Export.objects.get(pk=export_id)
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zfilepath = storage.path(f"export_{export_id}/export.zip")
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with zipfile.ZipFile(zfilepath, 'w', zipfile.ZIP_DEFLATED) as zf:
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for q in export.questionnaires.all():
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fpath = pathlib.Path(storage.path(f"export_{export_id}/{q.slug}.pdf"))
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zf.write(fpath, fpath.name)
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export.completion_date = timezone.now()
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export.save()
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