def save_model(self, request, obj, form, change):
if len(form.files) > 0 and obj.updated_at == None:
#file, obj are new
obj.user = request.user
obj.connect_dc_doc()
obj.save()
elif len(form.files) > 0 and obj.updated_at != None:
#object has been updated, look for file changes
n_file = form.files['file']
n_file_sz = getsize(n_file)
n_file_hdr = n_file.read(512) if n_file_sz >= 512\
else n_file.read()
o_file = obj.file
o_file_sz = getsize(o_file)
o_file_hdr = o_file.read(512) if o_file_sz >= 512\
else o_file.read()
if o_file_hdr != n_file_hdr:
#looks like the file could be different (not a whole file compar)
obj.dc_properties.delete()
obj.connect_dc_doc()
obj.save()
else:
obj.dc_properties.update_access(obj.access_level)
obj.save()
def save_model(self, request, obj, form, change):
if len(form.files) > 0 and obj.updated_at is None:
#file, obj are new
obj.user = request.user
obj.connect_dc_doc()
obj.save()
elif len(form.files) > 0 and obj.updated_at is not None:
#object has been updated, look for file changes
n_file = form.files['file']
n_file_sz = getsize(n_file)
n_file_hdr = n_file.read(512) if n_file_sz >= 512\
else n_file.read()
o_file = obj.file
o_file_sz = getsize(o_file)
o_file_hdr = o_file.read(512) if o_file_sz >= 512\
else o_file.read()
if o_file_hdr != n_file_hdr:
#our 512 byte comparison tells us the docs differ
obj.dc_properties.delete()
obj.connect_dc_doc()
obj.save()
else:
obj.dc_properties.update_access(obj.access_level)
obj.save()
