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lib/conduit/plug/created_by.ex
defmodule Conduit.Plug.CreatedBy do
use Conduit.Plug.Builder
@moduledoc """
Assigns name of app to created_by of the message.
## Examples
plug Conduit.Plug.CreatedBy, app: "myapp"
iex> message = Conduit.Plug.CreatedBy.run(%Conduit.Message{}, "myapp")
iex> message.created_by
"myapp"
"""
def init(opts) do
Keyword.fetch!(opts, :app)
|> to_string
end
@doc """
Assigns created_by.
"""
def call(message, next, created_by) do
message
|> put_created_by(created_by)
|> next.()
end
end