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100 lines
2.9 KiB
Elixir
100 lines
2.9 KiB
Elixir
defmodule PhilomenaWeb.TopicController do
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use PhilomenaWeb, :controller
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alias Philomena.{Forums.Forum, Topics.Topic, Posts.Post, Polls.Poll, PollOptions.PollOption}
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alias Philomena.{Topics, Posts}
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alias Philomena.Textile.Renderer
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alias Philomena.Repo
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import Ecto.Query
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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 :load_and_authorize_resource, model: Forum, id_name: "forum_id", id_field: "short_name", persisted: true
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def show(conn, %{"id" => slug} = params) do
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forum = conn.assigns.forum
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topic =
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Topic
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|> where(forum_id: ^forum.id, slug: ^slug, hidden_from_users: false)
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|> preload([:user, poll: :options])
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|> Repo.one()
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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()
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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([topic: :forum, user: [awards: :badge]])
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|> Repo.all()
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rendered =
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Renderer.render_collection(posts)
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posts =
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Enum.zip(posts, rendered)
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posts =
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%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 =
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Topics.subscribed?(topic, conn.assigns.current_user)
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changeset =
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%Post{}
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|> Posts.change_post()
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render(conn, "show.html", posts: posts, changeset: changeset, watching: watching)
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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", 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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Posts.reindex_post(post)
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Topics.notify_topic(topic)
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conn
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|> put_flash(:info, "Successfully posted topic.")
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|> redirect(to: Routes.forum_topic_path(conn, :show, forum, 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: Routes.forum_topic_path(conn, :new, forum))
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end
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end
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end
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