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plug_maintenance

0.1.0
0.1.0

An Elixir plug returns a service unavailable response during maintenance.

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plug_maintenance lib plugs maintenance.ex
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lib/plugs/maintenance.ex 

defmodule Maintenance do

  @default_monitor  {PlugMaintenance.Monitor, :check, []}

  @default_renderer {PlugMaintenance.View.Maintenance, :render, []}



  def init(opts), do: opts



  def call(conn, opts) do

    {module, fun, args} = opts[:monitor] || @default_monitor



    cond do

      apply(module, fun, [conn, args]) -> service_unavailable(conn, opts)

      true -> conn

    end

  end



  defp service_unavailable(conn, opts) do

    {module, fun, args} = opts[:renderer] || @default_renderer

    apply(module, fun, [conn, args])

  end

end