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203 lines
8.2 KiB
Python
203 lines
8.2 KiB
Python
# This file contains all the views that concern the page model
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from django.shortcuts import render, redirect, get_object_or_404
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from django.views.generic import ListView, DetailView, TemplateView
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from django.views.generic.edit import UpdateView, CreateView, FormMixin, DeleteView
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from django.views.generic.detail import SingleObjectMixin
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from django.contrib.auth.decorators import login_required, permission_required
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from django.forms.models import modelform_factory
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from django.forms import CheckboxSelectMultiple
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from django.conf import settings
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from django.utils.translation import ugettext as _
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from django.http import HttpResponse
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from django.core.servers.basehttp import FileWrapper
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from django.core.urlresolvers import reverse
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from django.core.exceptions import PermissionDenied, ObjectDoesNotExist
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from django import forms
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import os
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from core.models import SithFile
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from core.views import CanViewMixin, CanEditMixin, CanEditPropMixin, CanCreateMixin, can_view, not_found
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def send_file(request, file_id, file_class=SithFile, file_attr="file"):
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"""
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Send a file through Django without loading the whole file into
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memory at once. The FileWrapper will turn the file object into an
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iterator for chunks of 8KB.
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"""
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f = file_class.objects.filter(id=file_id).first()
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if f is None or f.is_folder:
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return not_found(request)
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from counter.models import Counter
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if not (can_view(f, request.user) or
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('counter_token' in request.session.keys() and
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request.session['counter_token'] and # check if not null for counters that have no token set
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Counter.objects.filter(token=request.session['counter_token']).exists())
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):
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raise PermissionDenied
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name = f.__getattribute__(file_attr).name
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with open(settings.MEDIA_ROOT + name, 'rb') as filename:
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wrapper = FileWrapper(filename)
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response = HttpResponse(wrapper, content_type=f.mime_type)
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response['Content-Length'] = os.path.getsize(settings.MEDIA_ROOT + name)
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response['Content-Disposition'] = 'inline; filename="%s"' % f.name
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return response
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class AddFilesForm(forms.Form):
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folder_name = forms.CharField(label=_("Add a new folder"), max_length=30, required=False)
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file_field = forms.FileField(widget=forms.ClearableFileInput(attrs={'multiple': True}), label=_("Files"),
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required=False)
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def process(self, parent, owner, files):
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try:
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if self.cleaned_data['folder_name'] != "":
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folder = SithFile(parent=parent, name=self.cleaned_data['folder_name'], owner=owner)
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folder.clean()
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folder.save()
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except Exception as e:
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self.add_error(None, _("Error creating folder %(folder_name)s: %(msg)s") %
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{'folder_name': self.cleaned_data['folder_name'], 'msg': str(e.message)})
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for f in files:
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new_file = SithFile(parent=parent, name=f.name, file=f, owner=owner, is_folder=False,
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mime_type=f.content_type, size=f._size)
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try:
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new_file.clean()
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new_file.save()
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except Exception as e:
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self.add_error(None, _("Error uploading file %(file_name)s: %(msg)s") % {'file_name': f, 'msg': repr(e)})
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class FileListView(ListView):
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template_name = 'core/file_list.jinja'
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context_object_name = "file_list"
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def get_queryset(self):
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return SithFile.objects.filter(parent=None)
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def get_context_data(self, **kwargs):
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kwargs = super(FileListView, self).get_context_data(**kwargs)
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kwargs['popup'] = ""
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if self.kwargs['popup']:
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kwargs['popup'] = 'popup'
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return kwargs
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class FileEditView(CanEditMixin, UpdateView):
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model = SithFile
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pk_url_kwarg = "file_id"
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template_name = 'core/file_edit.jinja'
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context_object_name = "file"
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def get_form_class(self):
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fields = ['name', 'is_moderated']
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if self.object.is_file:
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fields = ['file'] + fields
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return modelform_factory(SithFile, fields=fields)
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def get_success_url(self):
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if self.kwargs['popup']:
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return reverse('core:file_detail', kwargs={'file_id': self.object.id, 'popup': "popup"})
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return reverse('core:file_detail', kwargs={'file_id': self.object.id, 'popup': ""})
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def get_context_data(self, **kwargs):
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kwargs = super(FileEditView, self).get_context_data(**kwargs)
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kwargs['popup'] = ""
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if self.kwargs['popup']:
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kwargs['popup'] = 'popup'
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return kwargs
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class FileEditPropView(CanEditPropMixin, UpdateView):
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model = SithFile
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pk_url_kwarg = "file_id"
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template_name = 'core/file_edit.jinja'
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context_object_name = "file"
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fields = ['parent', 'owner', 'edit_groups', 'view_groups']
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def get_form(self, form_class=None):
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form = super(FileEditPropView, self).get_form(form_class)
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form.fields['parent'].queryset = SithFile.objects.filter(is_folder=True)
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return form
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def get_success_url(self):
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return reverse('core:file_detail', kwargs={'file_id': self.object.id, 'popup': self.kwargs['popup'] or ""})
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def get_context_data(self, **kwargs):
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kwargs = super(FileEditPropView, self).get_context_data(**kwargs)
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kwargs['popup'] = ""
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if self.kwargs['popup']:
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kwargs['popup'] = 'popup'
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return kwargs
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class FileView(CanViewMixin, DetailView, FormMixin):
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"""This class handle the upload of new files into a folder"""
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model = SithFile
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pk_url_kwarg = "file_id"
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template_name = 'core/file_detail.jinja'
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context_object_name = "file"
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form_class = AddFilesForm
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def get(self, request, *args, **kwargs):
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self.form = self.get_form()
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return super(FileView, self).get(request, *args, **kwargs)
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def post(self, request, *args, **kwargs):
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self.object = self.get_object()
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self.form = self.get_form()
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files = request.FILES.getlist('file_field')
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if request.user.is_authenticated() and request.user.can_edit(self.object) and self.form.is_valid():
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self.form.process(parent=self.object, owner=request.user, files=files)
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if self.form.is_valid():
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return super(FileView, self).form_valid(self.form)
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return self.form_invalid(self.form)
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def get_success_url(self):
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return reverse('core:file_detail', kwargs={'file_id': self.object.id, 'popup': self.kwargs['popup'] or ""})
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def get_context_data(self, **kwargs):
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kwargs = super(FileView, self).get_context_data(**kwargs)
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kwargs['popup'] = ""
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kwargs['form'] = self.form
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if self.kwargs['popup']:
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kwargs['popup'] = 'popup'
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return kwargs
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class FileDeleteView(CanEditPropMixin, DeleteView):
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model = SithFile
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pk_url_kwarg = "file_id"
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template_name = 'core/file_delete_confirm.jinja'
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context_object_name = "file"
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def get_success_url(self):
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self.object.file.delete() # Doing it here or overloading delete() is the same, so let's do it here
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if 'next' in self.request.GET.keys():
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return self.request.GET['next']
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if self.object.parent is None:
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return reverse('core:file_list', kwargs={'popup': self.kwargs['popup'] or ""})
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return reverse('core:file_detail', kwargs={'file_id': self.object.parent.id, 'popup': self.kwargs['popup'] or ""})
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def get_context_data(self, **kwargs):
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kwargs = super(FileDeleteView, self).get_context_data(**kwargs)
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kwargs['popup'] = ""
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if self.kwargs['popup']:
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kwargs['popup'] = 'popup'
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return kwargs
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class FileModerationView(TemplateView):
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template_name = "core/file_moderation.jinja"
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def get_context_data(self, **kwargs):
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kwargs = super(FileModerationView, self).get_context_data(**kwargs)
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kwargs['files'] = SithFile.objects.filter(is_moderated=False).all()
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return kwargs
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class FileModerateView(CanEditPropMixin, SingleObjectMixin):
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model = SithFile
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pk_url_kwarg = "file_id"
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def get(self, request, *args, **kwargs):
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self.object = self.get_object()
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self.object.is_moderated = True
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self.object.save()
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if 'next' in self.request.GET.keys():
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return redirect(self.request.GET['next'])
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return redirect('core:file_moderation')
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