split views for label and label with doc, restore sanity
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24d3f4686a
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5 changed files with 37 additions and 32 deletions
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@ -4,7 +4,6 @@ from django.core.exceptions import ValidationError
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from django.core.files.storage import FileSystemStorage
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from django.db import models
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from django.db.models import Count
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from django.urls import reverse
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from model_utils.models import SoftDeletableModel
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@ -67,8 +66,8 @@ class Document(SoftDeletableModel):
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@property
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def url(self):
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if self.is_local_pdf:
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return reverse("pile:label", args=[self.id]) + "?fallback=1"
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if self.file:
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return f"/docs/{self.file.url}"
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return self.external_url
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@property
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@ -39,12 +39,12 @@
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{% if document.is_local_pdf %}
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<div class="doc-link">
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<span class="doc-link-intro">Access file as:</span>
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<a href="{{ document.url }}">Entry #{{ document.id }} of /-\ pile</a>
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<a href="{% url "pile:retrieve" document.id %}">Entry #{{ document.id }} of /-\ pile</a>
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</div>
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<div class="doc-link">
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<span class="doc-link-intro">Get original document at: </span>
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<a href="/docs/{{ document.file.url }}">{{ document.file.url }}</a>
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<a href="{{ document.url }}">{{ document.url }}</a>
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</div>
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{% else %}
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<div class="doc-link">
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@ -21,7 +21,7 @@
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{% for document in documents %}
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<div class="text doc-item">
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<a class="doc-item-link" href="{{ document.url }}">🔗</a>
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<a class="doc-item-link" href="{% url "pile:retrieve" document.id %}">🔗</a>
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<a href="{% url "pile:document" document.id %}">
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<div class="doc-item-text">
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<h2>{{ document.title }}</h2>
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@ -7,6 +7,7 @@ urlpatterns = [
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path('', views.IndexView.as_view(), name='index'),
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path('tag/<name_or_id>', views.TagView.as_view(), name='tag'),
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path('item/<int:document_id>', views.DocumentView.as_view(), name='document'),
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path('label/<int:document_id>', views.DocumentWithLabel.as_view(), name='label'),
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path('label/<int:document_id>', views.LabelView.as_view(), name='label'),
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path('retrieve/<int:document_id>', views.DocumentWithLabelView.as_view(), name='retrieve'),
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path('feed', views.RecentlyUploadedFeed())
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]
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@ -8,7 +8,7 @@ import weasyprint
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from PyPDF2 import PdfFileWriter, PdfFileReader
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from django.contrib.syndication.views import Feed
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from django.core.exceptions import ObjectDoesNotExist
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from django.http import Http404, FileResponse
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from django.http import Http404, FileResponse, HttpRequest
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from django.shortcuts import redirect
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from django.template.loader import render_to_string
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from django.utils.text import slugify
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@ -102,23 +102,39 @@ class DocumentView(BasePileView):
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}
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class DocumentWithLabel(BasePileViewMixin):
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def get(self, request, document_id: int):
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class LabelView(BasePileViewMixin):
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def get(self, request: HttpRequest, document_id: int):
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try:
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document = self.documents.get(pk=document_id)
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except ObjectDoesNotExist:
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raise Http404
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label_stream = self.get_label(request, document)
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return FileResponse(label_stream,
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filename=f"pile_{document.id}__label__{slugify(document.title)}.pdf",
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content_type="application/pdf")
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@staticmethod
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def get_label(request, document):
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label_html = render_to_string("label.html", {'document': document})
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label_stream = io.BytesIO()
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weasyprint.HTML(base_url=request.build_absolute_uri(), string=label_html).write_pdf(label_stream)
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label_stream.seek(0)
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stream = io.BytesIO()
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weasyprint.HTML(base_url=request.build_absolute_uri(), string=label_html).write_pdf(stream)
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stream.seek(0)
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return stream
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class DocumentWithLabelView(BasePileViewMixin):
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def get(self, request: HttpRequest, document_id: int):
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try:
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document = self.documents.get(pk=document_id)
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except ObjectDoesNotExist:
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raise Http404
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final_stream = None
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concat_succeeded = False
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if document.is_local_pdf:
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try:
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label_stream = LabelView.get_label(request, document)
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with open(document.file.path, 'rb') as document_fp:
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writer = PdfFileWriter()
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for reader in map(PdfFileReader, (label_stream, document_fp)):
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@ -127,26 +143,15 @@ class DocumentWithLabel(BasePileViewMixin):
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writer.addMetadata({u'/Title': f"/-\\ pile #{document.id}: {document.title}"})
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final_stream = io.BytesIO()
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writer.write(final_stream)
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final_stream.seek(0)
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concat_succeeded = True
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return FileResponse(final_stream,
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filename=f"pile_{document.id}__label__{slugify(document.title)}.pdf",
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content_type="application/pdf")
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except Exception as exc:
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logging.exception(exc)
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if not concat_succeeded:
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if self.request.GET.get("fallback"):
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if document.is_local_pdf:
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return FileResponse(document.file,
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filename=f"pile_{document.id}__{slugify(document.title)}.pdf",
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content_type="application/pdf")
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else:
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return redirect(document.external_url)
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else:
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label_stream.seek(0)
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final_stream = label_stream
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return FileResponse(final_stream,
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filename=f"pile_{document.id}__{slugify(document.title)}.pdf",
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content_type="application/pdf")
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return redirect(document.url)
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class RecentlyUploadedFeed(Feed):
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