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triplex

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Build multitenant applications on top of Ecto.

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triplex lib triplex plugs param_plug.ex
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lib/triplex/plugs/param_plug.ex 

if Code.ensure_loaded?(Plug) do

  defmodule Triplex.ParamPlug do

    @moduledoc """

    This is a basic plug that loads the current tenant assign from a given

    param.



    To plug it on your router, you can use:



        plug Triplex.ParamPlug,

          param: :subdomain,

          tenant_handler: &TenantHelper.tenant_handler/1



    See `Triplex.ParamPlugConfig` to check all the allowed `config` flags.

    """



    import Triplex.Plug

    alias Triplex.ParamPlugConfig



    @doc false

    def init(opts), do: struct(ParamPlugConfig, opts)



    @doc false

    def call(conn, config),

      do: put_tenant(conn, get_param(conn, config), config)



    defp get_param(conn, %ParamPlugConfig{param: key}),

      do: get_param(conn, key)

    defp get_param(conn, key) when is_atom(key),

      do: get_param(conn, Atom.to_string(key))

    defp get_param(conn, key),

      do: conn.params[key]

  end

end