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bcardarella/dev.exs

Created September 9, 2015 15:17
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dev.exs
config :my_app, :twitter_api,
client: Twitter.SandboxClient
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test.exs
config :my_app, :twitter_api,
client: Twitter.TestClient
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timeline_controller.ex
def index(conn, %{"username" => username}) do
client = Application.get_env(:my_app, :twitter_api)[:client]
client.get(username)
end
@josevalim
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Yes! You can configure it directly too if you prefer:

config :my_app, :twitter_api, Twitter.SandboxClient

And in your controller I would move it to a function:

def index(conn, %{"username" => username}) do
  twitter_api.get(username)
end

defp twitter_api do
  Application.get_env(:my_app, :twitter_api)
end

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