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defmodule Asciinema.FileStore do
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@doc "Puts file at given path in store"
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@callback put_file(dst_path :: String.t, src_local_path :: String.t, content_type :: String.t, compress :: boolean) :: :ok | {:error, term}
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@doc "Serves file at given path in store"
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@callback serve_file(conn :: %Plug.Conn{}, path :: String.t, filename :: String.t) :: %Plug.Conn{}
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@doc "Opens the given path in store"
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@callback open_file(path :: String.t) :: {:ok, File.io_device} | {:error, File.posix}
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@doc "Opens the given path in store, executes given fn and closes the file"
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@callback open_file(path :: String.t, function :: (File.io_device -> res)) :: {:ok, res} | {:error, File.posix} when res: var
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@doc "Downloads file from given path in store to local path"
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@callback download_file(path :: String.t, local_path :: String.t) :: :ok | {:error, term}
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defmacro __using__(_) do
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quote do
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@behaviour Asciinema.FileStore
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def download_file(store_path, local_path) do
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with {:ok, {:ok, _}} <- open_file(store_path, &(:file.copy(&1, local_path))) do
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:ok
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end
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end
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end
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end
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# Shortcuts
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def put_file(dst_path, src_local_path, content_type, compress \\ false) do
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instance().put_file(dst_path, src_local_path, content_type, compress)
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end
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def open_file(path, f) do
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instance().open_file(path, f)
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end
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def download_file(store_path, local_path) do
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instance().download_file(store_path, local_path)
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end
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defp instance do
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Application.get_env(:asciinema, :file_store)
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end
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end
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