command refactor

lib/fruitbot/command.ex

@@ -0,0 +1,3 @@
+defmodule Fruitbot.Command do
+  defstruct aliases: [], handler: nil
+end

lib/fruitbot/command_handler.ex

@@ -0,0 +1,31 @@
+defmodule Fruitbot.CommandHandler do
+  import Fruitbot.Commands, only: [all_commands: 0]
+
+  def handle_command(payload) do
+    IO.inspect(payload)
+    [command | tail] = String.split(payload)
+    query = Enum.join(tail)
+    # how to pass query????
+
+    case find_command(command) do
+      nil ->
+        IO.puts("Command not found: #{command}")
+        {:error, :bad_command}
+      c -> execute_command(c, query)
+    end
+  end
+
+  defp find_command(message) do
+    IO.puts(message)
+    Enum.find(all_commands(), fn command ->
+      IO.puts(command.aliases)
+      c = message |> String.split("!") |> List.last()
+      IO.puts(c)
+      Enum.any?(command.aliases, &(&1 == c))
+    end)
+  end
+
+  defp execute_command(%Fruitbot.Command{handler: handler}, query) do
+    handler.(query)
+  end
+end