Added mix commands to manage users and view actors

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

lib/mix/tasks/mobilizon/actors/show.ex

@@ -0,0 +1,34 @@
+defmodule Mix.Tasks.Mobilizon.Actors.Show do
+  @moduledoc """
+  Task to display an actor details
+  """
+  use Mix.Task
+  alias Mobilizon.Actors
+  alias Mobilizon.Actors.Actor
+
+  @shortdoc "Show a Mobilizon user details"
+
+  @impl Mix.Task
+  def run([preferred_username]) do
+    Mix.Task.run("app.start")
+
+    case {:actor, Actors.get_actor_by_name_with_preload(preferred_username)} do
+      {:actor, %Actor{} = actor} ->
+        Mix.shell().info("""
+        Informations for the actor #{actor.preferred_username}:
+          - Type: #{actor.type}
+          - Domain: #{if is_nil(actor.domain), do: "Local", else: actor.domain}
+          - Name: #{actor.name}
+          - Summary: #{actor.summary}
+          - User: #{if is_nil(actor.user), do: "Remote", else: actor.user.email}
+        """)
+
+      {:actor, nil} ->
+        Mix.raise("Error: No such actor")
+    end
+  end
+
+  def run(_) do
+    Mix.raise("mobilizon.actors.show requires an username as argument")
+  end
+end