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It's more reliable to calculate the document checksum on the view and not on the save method, cache thumbnails and previews using document checksum and not the uuid

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This commit is contained in:
Roberto Rosario
2011-02-10 01:06:28 -04:00
parent 07403954b5
commit adf4608a0c
2 changed files with 4 additions and 6 deletions
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6
apps/documents/views.py
View File

@@ -116,6 +116,7 @@ def upload_document_with_type(request, document_type_id, multiple=True):
prefix='local', initial={'document_type':document_type})
if local_form.is_valid():
instance = local_form.save()
instance.update_checksum()
if 'document_type_available_filenames' in local_form.cleaned_data:
if local_form.cleaned_data['document_type_available_filenames']:
instance.file_filename = local_form.cleaned_data['document_type_available_filenames'].filename
@@ -146,6 +147,7 @@ def upload_document_with_type(request, document_type_id, multiple=True):
try:
document = Document(file=staging_file.upload(), document_type=document_type)
document.save()
document.update_checksum()
except Exception, e:
messages.error(request, e)
else:
@@ -358,7 +360,7 @@ def document_edit_metadata(request, document_id):
def get_document_image(request, document_id, size=PREVIEW_SIZE):
document = get_object_or_404(Document, pk=document_id)
filepath = in_cache(document.uuid, size)
filepath = in_cache(document.checksum, size)
if filepath:
return serve_file(request, File(file=open(filepath, 'r')))
@@ -366,7 +368,7 @@ def get_document_image(request, document_id, size=PREVIEW_SIZE):
try:
document.file.open()
desc = document.file.storage.open(document.file.path)
filepath = from_descriptor_to_tempfile(desc, document.uuid)
filepath = from_descriptor_to_tempfile(desc, document.checksum)
output_file = convert(filepath, size)
return serve_file(request, File(file=open(output_file, 'r')))
except Exception, e: