make delete buttons work

Author: sigurdga

fileupload/migrations/0001_initial.py

@@ -12,6 +12,7 @@ def forwards(self, orm):
         db.create_table('fileupload_picture', (
             ('id', self.gf('django.db.models.fields.AutoField')(primary_key=True)),
             ('file', self.gf('django.db.models.fields.files.ImageField')(max_length=100)),
+            ('slug', self.gf('django.db.models.fields.SlugField')(db_index=True, max_length=50, blank=True)),
         ))
         db.send_create_signal('fileupload', ['Picture'])
 
@@ -26,7 +27,8 @@ def backwards(self, orm):
         'fileupload.picture': {
             'Meta': {'object_name': 'Picture'},
             'file': ('django.db.models.fields.files.ImageField', [], {'max_length': '100'}),
-            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'})
+            'id': ('django.db.models.fields.AutoField', [], {'primary_key': 'True'}),
+            'slug': ('django.db.models.fields.SlugField', [], {'db_index': 'True', 'max_length': '50', 'blank': 'True'})
         }
     }
 

fileupload/models.py

@@ -3,6 +3,7 @@
 class Picture(models.Model):
 
     file = models.ImageField(upload_to="pictures")
+    slug = models.SlugField(max_length=50, blank=True)
 
     def __unicode__(self):
         return self.file
@@ -11,3 +12,6 @@ def __unicode__(self):
     def get_absolute_url(self):
         return ('upload-new', )
 
+    def save(self, *args, **kwargs):
+        self.slug = self.file.name
+        super(Picture, self).save(*args, **kwargs)

fileupload/urls.py

@@ -1,7 +1,8 @@
 from django.conf.urls.defaults import *
-from fileupload.views import PictureCreateView
+from fileupload.views import PictureCreateView, PictureDeleteView
 
 urlpatterns = patterns('',
     (r'^new/$', PictureCreateView.as_view(), {}, 'upload-new'),
+    (r'^delete/(?P<slug>.+)$', PictureDeleteView.as_view(), {}, 'upload-delete'),
 )
 

fileupload/views.py

@@ -1,10 +1,11 @@
 from fileupload.models import Picture
-from django.views.generic import CreateView
+from django.views.generic import CreateView, DeleteView
 
 from django.http import HttpResponse
 from django.utils.functional import Promise
 from django.utils.encoding import force_unicode
 from django.utils import simplejson
+from django.core.urlresolvers import reverse
 
 from django.conf import settings
 
@@ -14,9 +15,17 @@ class PictureCreateView(CreateView):
     def form_valid(self, form):
         self.object = form.save()
         f = self.request.FILES.get('file')
-        data = [{'name': f.name, 'url': settings.MEDIA_URL + "pictures/" + f.name, 'thumbnail_url': settings.MEDIA_URL + "pictures/" + f.name, 'delete_url': "index.html", 'delete_type': "DELETE"}]
+        data = [{'name': f.name, 'url': settings.MEDIA_URL + "pictures/" + f.name, 'thumbnail_url': settings.MEDIA_URL + "pictures/" + f.name, 'delete_url': reverse('upload-delete', args=[f.name]), 'delete_type': "DELETE"}]
         return JSONResponse(data)
 
+class PictureDeleteView(DeleteView):
+    model = Picture
+
+    def delete(self, request, *args, **kwargs):
+        self.object = self.get_object()
+        self.object.delete()
+        return JSONResponse(True)
+
 class JSONResponse(HttpResponse):
     """ JSON response class """
     def __init__(self,content='',json_opts={},mimetype="application/json",*args,**kwargs):