Mongo.GridFs.Download.open_download_stream

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Link to this function

open_download_stream(bucket, file_id)

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Specs

open_download_stream(
  Mongo.GridFs.Bucket.t(),
  String.t() | BSON.ObjectId.t() | map()
) :: result()

Opens a Stream from which the application can read the contents of the stored file specified by fileId. The fileId can be a string, an ObjectId or just a map with the keys length and _id. In case of the map the function tries to stream the chunks described by the length and the _id values.

Returns a Stream.