philomena/lib/philomena_web/controllers/topic_controller.ex
2019-10-08 19:37:14 -04:00

31 lines
965 B
Elixir

defmodule PhilomenaWeb.TopicController do
use PhilomenaWeb, :controller
alias Philomena.{Forums.Forum, Topics.Topic, Posts.Post}
alias Philomena.Repo
import Ecto.Query
plug :load_and_authorize_resource, model: Forum, id_name: "forum_id", id_field: "short_name", persisted: true
def show(conn, %{"id" => slug}) do
forum = conn.assigns.forum
topic =
Topic
|> where(forum_id: ^forum.id, slug: ^slug, hidden_from_users: false)
|> preload(:user)
|> Repo.one()
conn = conn |> assign(:topic, topic)
%{page_number: page, page_size: page_size} = conn.assigns.pagination
posts =
Post
|> where(topic_id: ^conn.assigns.topic.id)
|> where([p], p.topic_position >= ^(25 * (page - 1)) and p.topic_position < ^(25 * page))
|> order_by(asc: :created_at)
|> preload([:user, topic: :forum])
|> Repo.paginate(conn.assigns.scrivener)
render(conn, "show.html", posts: posts)
end
end