36 lines
711 B
Elixir
36 lines
711 B
Elixir
defmodule Todo.Cache do
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use GenServer
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@impl GenServer
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def init(_init_args) do
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IO.puts("Starting #{__MODULE__}")
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Todo.Database.start()
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{:ok, %{}}
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end
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@impl GenServer
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def handle_call({:server_process, name}, _from, state) do
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case Map.fetch(state, name) do
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{:ok, process} ->
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{:reply, process, state}
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:error ->
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{:ok, new_process} = Todo.Server.start(name)
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new_state = Map.put(state, name, new_process)
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{:reply, new_process, new_state}
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end
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end
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def start_link(_) do
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GenServer.start_link(__MODULE__, nil, name: __MODULE__)
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end
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def server_process(name) do
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GenServer.call(__MODULE__, {:server_process, name})
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end
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end
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