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105 lines
3.4 KiB
105 lines
3.4 KiB
# -*- coding: utf-8 -*-
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from django.core.urlresolvers import reverse
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from django.views.decorators.csrf import csrf_exempt
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from django.db.models.loading import get_model
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from django.contrib.contenttypes.models import ContentType
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from django.http import HttpResponse
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from django.views.generic import FormView
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from django.shortcuts import get_object_or_404
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from django.conf import settings
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from .models import FileModel
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from .forms import FileForm, FileUpdateForm
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import json
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import magic
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@csrf_exempt
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def ajax_post_file(request, obj_id):
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"""
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Takes file and file data and save it
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"""
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data = {'success': False}
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# takes data from hidden input "model" and initial Model
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Model = get_model(request.GET['model'].split('.')[0],
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request.GET['model'].split('.')[1])
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# initial model object
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obj = Model.objects.get(id=obj_id)
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if request.is_ajax() and request.method == 'POST':
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file_form = FileForm(request.POST, request.FILES)
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if file_form.is_valid():
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file_form.save(request.FILES, obj)
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data['success'] = True
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else:
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data['errors'] = file_form.errors
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if request.is_ajax() and request.method == 'GET':
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files = FileModel.objects.filter(
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content_type=ContentType.objects.get_for_model(obj),
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object_id=obj_id
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)
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files_data = []
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for f in files:
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mime = magic.Magic(mime=True)
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files_data.append({
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'name': f.file_name or f.file_path.name,
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'size': f.file_path.size,
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'file': f.file_path.url,
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'type': mime.from_file(f.file_path.path),
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'remove_url': reverse('ajax_delete_file', args=[f.pk]),
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'detail_link': reverse('file_update', args=[f.pk])
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})
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data['success'] = True
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data['files'] = files_data
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return HttpResponse(json.dumps(data), content_type='application/json')
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def ajax_delete_file(request, id):
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"""
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delete file
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"""
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if request.is_ajax():
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f = FileModel.objects.get(id=id)
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f.delete()
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data = {'success': True}
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else:
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data = {'success': False}
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return HttpResponse(json.dumps(data), content_type='application/json')
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class FileUpdateView(FormView):
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"""
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Представление обновления файла
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"""
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template_name = 'c_admin/file/file_update.html'
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form_class = FileUpdateForm
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def get_object(self):
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pk = self.kwargs.get('pk')
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return get_object_or_404(FileModel, pk=pk)
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def get_initial(self):
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data = super(FileUpdateView, self).get_initial()
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obj = self.get_object()
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data['file_path'] = obj.file_path
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data['purpose'] = obj.purpose
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for lid, (code, name) in enumerate(settings.LANGUAGES):
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data['file_name_%s' % code] = obj.file_name.translate(code)
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data['description_%s' % code] = obj.description.translate(code)
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return data
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def form_valid(self, form):
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form.save(self.request, self.kwargs.get('pk'))
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return super(FileUpdateView, self).form_valid(form)
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def get_success_url(self):
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return reverse('file_update', args=[self.get_object().pk])
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def get_context_data(self, **kwargs):
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ctx = super(FileUpdateView, self).get_context_data(**kwargs)
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ctx['object'] = self.get_object()
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ctx['languages'] = settings.LANGUAGES
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return ctx
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