def get(self, request, usage_key_str, file_path):
"""
Get a static asset file belonging to this block.
"""
key = LibraryUsageLocatorV2.from_string(usage_key_str)
api.require_permission_for_library_key(key.lib_key, request.user, permissions.CAN_VIEW_THIS_CONTENT_LIBRARY)
files = api.get_library_block_static_asset_files(key)
for f in files:
if f.path == file_path:
return Response(LibraryXBlockStaticFileSerializer(f).data)
raise NotFound
def put(self, request, usage_key_str, file_path):
"""
Replace a static asset file belonging to this block.
"""
usage_key = LibraryUsageLocatorV2.from_string(usage_key_str)
api.require_permission_for_library_key(
usage_key.lib_key, request.user, permissions.CAN_EDIT_THIS_CONTENT_LIBRARY,
)
file_wrapper = request.data['content']
if file_wrapper.size > 20 * 1024 * 1024: # > 20 MiB
# In the future, we need a way to use file_wrapper.chunks() to read
# the file in chunks and stream that to Blockstore, but Blockstore
# currently lacks an API for streaming file uploads.
raise ValidationError("File too big")
file_content = file_wrapper.read()
try:
result = api.add_library_block_static_asset_file(usage_key, file_path, file_content)
except ValueError:
raise ValidationError("Invalid file path")
return Response(LibraryXBlockStaticFileSerializer(result).data)
