Files
kasu/gallery/views.py
2014-12-10 00:23:36 +01:00

143 lines
4.7 KiB
Python

# -*- encoding: utf-8 -*-
# Create your views here.
from datetime import timedelta
from django.contrib.auth.decorators import permission_required
from django.contrib.auth import get_user_model
from django.core.urlresolvers import reverse
from django.http import Http404
from django.shortcuts import redirect
from django.utils import timezone
from django.utils.decorators import method_decorator
from django.utils.translation import ugettext as _
from django.views import generic
import pyexiv2
from events.models import Event
from .models import Photo
from . import forms
class DeleteEventPhoto(generic.DeleteView):
model = Photo
def get_success_url(self):
return reverse('event-photo-list', args=[self.object.event.id])
def get_context_data(self, **kwargs):
context = super(DeleteEventPhoto, self).get_context_data()
context['event'] = self.object.event
return context
@method_decorator(permission_required('events.delete_photo'))
def dispatch(self, *args, **kwargs):
return super(DeleteEventPhoto, self).dispatch(*args, **kwargs)
class EventGallery(generic.ListView):
template_name = 'gallery/photo_gallery.html'
queryset = Event.objects.filter(start__lt=timezone.now(), photo_count__gt=0)
paginate_by = 12
class EventPhoto(generic.UpdateView):
form_class = forms.EditPhotoForm
model = Photo
template_name = 'gallery/photo_detail.html'
def get_context_data(self, **kwargs):
context = super(EventPhoto, self).get_context_data()
context['event'] = self.object.event
return context
def post(self, request, *args, **kwargs):
if request.POST.get('rotate') and request.user.has_perm(
'events.change_photo'):
photo = Photo.objects.get(pk=kwargs['pk'])
photo.rotate(request.POST['rotate'])
# return redirect(photo.get_absolute_url())
return self.get(request)
else:
return generic.UpdateView.post(self, request, *args, **kwargs)
class EventPhotoList(generic.ListView):
context_object_name = 'photo_list'
paginate_by = 36
def get_context_data(self, **kwargs):
context = generic.ListView.get_context_data(self, **kwargs)
context['event'] = self.event
context['form'] = forms.PhotoUploadForm(
initial={'event': self.event, 'photographer': self.request.user})
return context
def get_queryset(self):
try:
self.event = Event.objects.get(id=self.kwargs['event'])
return Photo.objects.filter(event=self.event)
except Event.DoesNotExist:
raise Http404(_('Event does not exist'))
class EventPhotoUpload(generic.FormView):
form_class = forms.PhotoUploadForm
template_name = 'gallery/photo_upload.html'
@method_decorator(permission_required('events.add_photo'))
def dispatch(self, *args, **kwargs):
return super(EventPhotoUpload, self).dispatch(*args, **kwargs)
def get_context_data(self, **kwargs):
context = generic.FormView.get_context_data(self, **kwargs)
context['event_list'] = Event.objects.archive()[:12]
return context
def get_initial(self):
"""
Set the current logged in user a default value for the photographer.
"""
return {
'photographer': self.request.user,
}
def post(self, *args, **kwargs):
"""
"""
self.event = Event.objects.get(
id=self.request.REQUEST.get('event'))
photographer = self.request.POST.get('photographer',
self.request.user.id)
photographer = get_user_model().objects.get(id=photographer)
self.counter = 1
for upload in self.request.FILES.getlist('upload'):
name = upload.name
created_date, description = self.read_exif(upload)
photo = Photo(
event=self.event,
photographer=photographer,
image=upload,
name=name,
created_date=created_date,
description=description
)
photo.save()
self.counter += 1
return redirect('event-photo-list', event=self.event.id)
def read_exif(self, photo):
exif_data = pyexiv2.ImageMetadata.from_buffer(photo.read())
exif_data.read()
try:
created_date = exif_data['Exif.Image.DateTime'].value
except:
created_date = self.event.start + timedelta(minutes=self.counter)
try:
description = exif_data['Exif.Image.ImageDescription'].value
except:
description = ''
return created_date, description