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comparison user_photos/views.py @ 971:4f265f61874b

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Hotlink image form is functioning. The user can now submit a URL via a form and the URL will be downloaded and uploaded to a S3 bucket if it is an image. Tests to follow.
author Brian Neal <bgneal@gmail.com>
date Tue, 22 Sep 2015 20:23:50 -0500
parents 8b027e7a7977
children 7138883966b3
comparison
equal deleted inserted replaced
970:bd594bcba5eb 971:4f265f61874b
3 3
4 from django.conf import settings 4 from django.conf import settings
5 from django.contrib.auth import get_user_model 5 from django.contrib.auth import get_user_model
6 from django.contrib.auth.decorators import login_required 6 from django.contrib.auth.decorators import login_required
7 from django.http import (HttpResponse, HttpResponseForbidden, 7 from django.http import (HttpResponse, HttpResponseForbidden,
8 HttpResponseNotAllowed) 8 HttpResponseNotAllowed, JsonResponse)
9 from django.shortcuts import render, redirect, get_object_or_404 9 from django.shortcuts import render, redirect, get_object_or_404
10 from django.views.generic import ListView 10 from django.views.generic import ListView
11 from django.views.decorators.http import require_POST 11 from django.views.decorators.http import require_POST
12 from django.utils.decorators import method_decorator 12 from django.utils.decorators import method_decorator
13 from django.contrib import messages 13 from django.contrib import messages
14 14
15 from user_photos.forms import UploadForm 15 from user_photos.forms import HotLinkImageForm, UploadForm
16 from user_photos.models import Photo 16 from user_photos.models import Photo
17 from user_photos.s3 import delete_photos 17 from user_photos.s3 import delete_photos
18 18
19 19
20 @login_required 20 @login_required
138 messages.add_message(request, 138 messages.add_message(request,
139 messages.SUCCESS if count > 0 else messages.WARNING, 139 messages.SUCCESS if count > 0 else messages.WARNING,
140 msg) 140 msg)
141 141
142 return redirect(ret_view, username) 142 return redirect(ret_view, username)
143
144
145 def hotlink_image(request):
146 """This view is responsible for accepting an image URL from a user and
147 converting it to a URL pointing into our S3 bucket if necessary.
148
149 We return a JSON object response to the client with the following name
150 & value pairs:
151 'error_msg': string error message if an error occurred
152 'url': the image URL as a string if success
153 """
154 ret = {'error_msg': '', 'url': ''}
155 status_code = 400
156
157 if not request.user.is_authenticated():
158 ret['error_msg'] = 'Please login to use this service'
159 return JsonResponse(ret, status=status_code)
160 if not request.is_ajax() or request.method != 'POST':
161 ret['error_msg'] = 'This method is not allowed'
162 return JsonResponse(ret, status=status_code)
163
164 if settings.USER_PHOTOS_ENABLED:
165 form = HotLinkImageForm(request.POST, request.FILES, user=request.user)
166 if form.is_valid():
167 try:
168 ret['url'] = form.save()
169 status_code = 200
170 except Exception as ex:
171 ret['error_msg'] = str(ex)
172 status_code = 500
173 else:
174 # gather form error messages
175 errors = []
176 non_field_errors = form.non_field_errors().as_text()
177 if non_field_errors:
178 errors.append(non_field_errors)
179 for field_errors in form.errors.values():
180 errors.append(field_errors.as_text())
181 ret['error_msg'] = '\n'.join(errors)
182 else:
183 ret['error_msg'] = 'Image linking is temporarily disabled'
184 status_code = 403
185
186 return JsonResponse(ret, status=status_code)
187