philomena/lib/philomena_web/controllers/topic/post/delete_controller.ex

defmodule PhilomenaWeb.Topic.Post.DeleteController do
  use PhilomenaWeb, :controller

  alias Philomena.Posts.Post
  alias Philomena.Posts

  plug PhilomenaWeb.CanaryMapPlug, create: :hide
  plug :load_and_authorize_resource, model: Post, id_name: "post_id", persisted: true, preload: [:topic, topic: :forum]

  def create(conn, _params) do
    post = conn.assigns.post

    case Posts.destroy_post(post) do
      {:ok, post} ->
        Posts.reindex_post(post)

        conn
        |> put_flash(:info, "Post successfully destroyed!")
        |> redirect(to: Routes.forum_topic_path(conn, :show, post.topic.forum, post.topic) <> "#post_#{post.id}")

      {:error, _changeset} ->
        conn
        |> put_flash(:error, "Unable to destroy post!")
        |> redirect(to: Routes.forum_topic_path(conn, :show, post.topic.forum, post.topic) <> "#post_#{post.id}")
    end
  end
end