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upload chunks with offset. fail if uploaded file does not match oshash

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j 2014-04-11 12:08:14 +00:00
commit 22e3a9eedd
8 changed files with 71 additions and 25 deletions
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9
pandora/text/models.py
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@ -276,7 +276,7 @@ class Text(models.Model):
path = source
return path
def save_chunk(self, chunk, chunk_id=-1, done=False):
def save_chunk(self, chunk, offset=None, done=False):
if self.uploading:
if not self.file:
self.file.name = self.path('data.pdf')
@ -285,7 +285,12 @@ class Text(models.Model):
f.write(chunk.read())
self.save()
else:
with open(self.file.path, 'a') as f:
if offset == None:
offset = self.file.size
elif offset > self.file.size:
return False
with open(self.file.path, 'r+') as f:
f.seek(offset)
f.write(chunk.read())
if done:
self.uploading = False

6
pandora/text/views.py
View file

@ -379,7 +379,7 @@ def icon(request, id, size=16):
class ChunkForm(forms.Form):
chunk = forms.FileField()
chunkId = forms.IntegerField(required=False)
offset = forms.IntegerField(required=False)
done = forms.IntegerField(required=False)
def pdf_viewer(request, id):
@ -412,12 +412,12 @@ def upload(request):
form = ChunkForm(request.POST, request.FILES)
if form.is_valid() and text.editable(request.user):
c = form.cleaned_data['chunk']
chunk_id = form.cleaned_data['chunkId']
offset = form.cleaned_data['offset']
response = {
'result': 1,
'resultUrl': request.build_absolute_uri(text.get_absolute_url())
}
if not text.save_chunk(c, chunk_id, form.cleaned_data['done']):
if not text.save_chunk(c, offset, form.cleaned_data['done']):
response['result'] = -1
if form.cleaned_data['done']:
response['done'] = 1