123 lines
4 KiB
Python
123 lines
4 KiB
Python
# Copyright (C) 2021 by BDE ENS Paris-Saclay
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# SPDX-License-Identifier: GPL-3.0-or-later
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import os
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import zipfile
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from io import BytesIO
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from django.contrib.auth.mixins import LoginRequiredMixin
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from django.contrib import messages
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from django.core.mail import mail_managers
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from django.http import HttpResponse
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from django.views.generic.detail import DetailView
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from django.views.generic.edit import FormView
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from django.urls import reverse_lazy
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from photologue.models import Gallery
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from photologue.views import GalleryArchiveIndexView, GalleryYearArchiveView
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from taggit.models import Tag
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from .forms import UploadForm
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class TagDetail(LoginRequiredMixin, DetailView):
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model = Tag
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def get_context_data(self, **kwargs):
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"""
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Insert the single object into the context dict.
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"""
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current_tag = self.get_object().slug
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context = super().get_context_data(**kwargs)
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context['galleries'] = Gallery.objects.on_site().is_public() \
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.filter(extended__tags__slug=current_tag) \
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.order_by('-extended__date_start')
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return context
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class CustomGalleryArchiveIndexView(GalleryArchiveIndexView):
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"""
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Override to use event date
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"""
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date_field = 'extended__date_start'
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uses_datetime_field = False # Fix related object access
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class CustomGalleryYearArchiveView(GalleryYearArchiveView):
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"""
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Override to use event date
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"""
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date_field = 'extended__date_start'
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uses_datetime_field = False # Fix related object access
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class CustomGalleryDetailView(DetailView):
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"""
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Custom gallery detail view to filter on photo owner
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"""
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queryset = Gallery.objects.on_site().is_public()
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def get_context_data(self, **kwargs):
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context = super().get_context_data(**kwargs)
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# Query with extended and owner to reduce database lag
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context['photos'] = self.object.public().select_related('extended__owner')
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# List owners
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context['owners'] = []
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for photo in context['photos']:
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if hasattr(photo, 'extended') and photo.extended.owner not in context['owners']:
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context['owners'].append(photo.extended.owner)
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# Filter on owner
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if 'owner' in self.kwargs:
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context['photos'] = context['photos'].filter(extended__owner__id=self.kwargs['owner'])
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return context
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class GalleryDownload(LoginRequiredMixin, DetailView):
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model = Gallery
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def get(self, request, *args, **kwargs):
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"""
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Download a zip file of the gallery on GET request.
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"""
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# Create zip file with pictures
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gallery = self.get_object()
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byte_data = BytesIO()
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zip_file = zipfile.ZipFile(byte_data, "w")
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for photo in gallery.public():
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filename = os.path.basename(os.path.normpath(photo.image.path))
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zip_file.write(photo.image.path, filename)
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zip_file.close()
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# Return zip file
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response = HttpResponse(byte_data.getvalue(), content_type='application/x-zip-compressed')
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response['Content-Disposition'] = f"attachment; filename={gallery.slug}.zip"
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return response
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class GalleryUpload(FormView):
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"""
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Form to upload new photos in a gallery
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"""
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form_class = UploadForm
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template_name = "photologue/upload.html"
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success_url = reverse_lazy("gallery-upload")
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def form_valid(self, form):
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# Upload photos
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# We take files from the request to support multiple upload
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files = self.request.FILES.getlist('file_field')
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form.save(files)
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# Notify user then managers
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messages.success(self.request, "Photos has been successfully uploaded.")
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gallery_title = form.cleaned_data['gallery'] or form.cleaned_data.get('new_gallery_title', '')
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photos = ", ".join(f.name for f in files)
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mail_managers(
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subject="New photos upload",
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message=f"{self.request.user.username} has uploaded in `{gallery_title}`: {photos}",
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)
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return super().form_valid(form)
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