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162 lines
4.7 KiB
Elixir
162 lines
4.7 KiB
Elixir
defmodule PhilomenaWeb.TopicController do
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use PhilomenaWeb, :controller
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alias PhilomenaWeb.NotificationCountPlug
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alias Philomena.{Forums.Forum, Topics.Topic, Posts.Post, Polls.Poll, PollOptions.PollOption}
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alias Philomena.{Topics, Polls, Posts}
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alias Philomena.PollVotes
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alias PhilomenaWeb.MarkdownRenderer
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alias Philomena.Repo
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import Ecto.Query
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plug PhilomenaWeb.LimitPlug,
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[time: 300, error: "You may only make a new topic once every 5 minutes."]
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when action in [:create]
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plug PhilomenaWeb.FilterBannedUsersPlug when action in [:new, :create]
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plug PhilomenaWeb.UserAttributionPlug when action in [:new, :create]
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plug PhilomenaWeb.AdvertPlug when action in [:show]
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plug PhilomenaWeb.CanaryMapPlug, new: :show, create: :show, update: :show
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plug :load_and_authorize_resource,
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model: Forum,
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id_name: "forum_id",
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id_field: "short_name",
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persisted: true
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plug PhilomenaWeb.LoadTopicPlug, [param: "id"] when action in [:show, :update]
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plug :verify_authorized when action in [:update]
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def show(conn, params) do
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forum = conn.assigns.forum
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topic = conn.assigns.topic
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user = conn.assigns.current_user
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Topics.clear_topic_notification(topic, user)
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# Update the notification ticker in the header
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conn = NotificationCountPlug.call(conn)
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conn = conn |> assign(:topic, topic)
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%{page_number: page} = conn.assigns.pagination
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page =
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with {post_id, _extra} <- Integer.parse(params["post_id"] || ""),
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[post] <- Post |> where(id: ^post_id) |> Repo.all() do
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div(post.topic_position, 25) + 1
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else
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_ ->
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page
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end
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posts =
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Post
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|> where(topic_id: ^conn.assigns.topic.id)
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|> where([p], p.topic_position >= ^(25 * (page - 1)) and p.topic_position < ^(25 * page))
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|> order_by(asc: :created_at)
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|> preload([:deleted_by, :topic, topic: :forum, user: [awards: :badge]])
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|> Repo.all()
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rendered = MarkdownRenderer.render_collection(posts, conn)
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posts = Enum.zip(posts, rendered)
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posts = %Scrivener.Page{
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entries: posts,
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page_number: page,
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page_size: 25,
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total_entries: topic.post_count,
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total_pages: div(topic.post_count + 25 - 1, 25)
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}
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watching = Topics.subscribed?(topic, conn.assigns.current_user)
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voted = PollVotes.voted?(topic.poll, conn.assigns.current_user)
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poll_active = Polls.active?(topic.poll)
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changeset =
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%Post{}
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|> Posts.change_post()
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topic_changeset = Topics.change_topic(conn.assigns.topic)
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title = "#{topic.title} - #{forum.name} - Forums"
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render(conn, "show.html",
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title: title,
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posts: posts,
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changeset: changeset,
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topic_changeset: topic_changeset,
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watching: watching,
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voted: voted,
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poll_active: poll_active
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)
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end
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def new(conn, _params) do
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changeset =
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%Topic{poll: %Poll{options: [%PollOption{}, %PollOption{}]}, posts: [%Post{}]}
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|> Topics.change_topic()
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render(conn, "new.html", title: "New Topic", changeset: changeset)
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end
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def create(conn, %{"topic" => topic_params}) do
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attributes = conn.assigns.attributes
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forum = conn.assigns.forum
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case Topics.create_topic(forum, attributes, topic_params) do
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{:ok, %{topic: topic}} ->
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post = hd(topic.posts)
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if forum.access_level == "normal" do
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PhilomenaWeb.Endpoint.broadcast!(
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"firehose",
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"post:create",
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PhilomenaWeb.Api.Json.Forum.Topic.PostView.render("firehose.json", %{
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post: post,
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topic: topic,
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forum: forum
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})
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)
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end
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conn
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|> put_flash(:info, "Successfully posted topic.")
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|> redirect(to: ~p"/forums/#{forum}/topics/#{topic}")
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{:error, :topic, changeset, _} ->
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conn
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|> render("new.html", changeset: changeset)
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_error ->
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conn
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|> put_flash(:error, "There was an error with your submission. Please try again.")
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|> redirect(to: ~p"/forums/#{forum}/topics/new")
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end
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end
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def update(conn, %{"topic" => topic_params}) do
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case Topics.update_topic_title(conn.assigns.topic, topic_params) do
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{:ok, topic} ->
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conn
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|> put_flash(:info, "Successfully updated topic.")
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|> redirect(to: ~p"/forums/#{conn.assigns.forum}/topics/#{topic}")
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{:error, _changeset} ->
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conn
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|> put_flash(:error, "There was an error with your submission. Please try again.")
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|> redirect(to: ~p"/forums/#{conn.assigns.forum}/topics/#{conn.assigns.topic}")
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end
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end
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defp verify_authorized(conn, _opts) do
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case Canada.Can.can?(conn.assigns.current_user, :edit, conn.assigns.topic) do
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true -> conn
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_false -> PhilomenaWeb.NotAuthorizedPlug.call(conn)
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end
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end
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end
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