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https://github.com/philomena-dev/philomena.git
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105 lines
No EOL
2.7 KiB
Elixir
105 lines
No EOL
2.7 KiB
Elixir
defmodule PhilomenaWeb.PostController do
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use PhilomenaWeb, :controller
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alias Philomena.{Forums.Forum, Posts.Post, Textile.Renderer}
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alias Philomena.Repo
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import Ecto.Query
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def index(conn, params) do
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user = conn.assigns.current_user
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posts =
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Post.search_records(
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%{
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query: %{
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bool: %{
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must: parse_search(conn, params) ++ [%{term: %{deleted: false}}]
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}
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},
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sort: parse_sort(params)
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},
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conn.assigns.pagination,
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Post |> preload([topic: :forum, user: [awards: :badge]])
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)
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rendered =
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posts.entries
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|> Renderer.render_collection()
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posts =
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%{posts | entries: Enum.zip(posts.entries, rendered)}
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forums =
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Forum
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|> order_by(asc: :name)
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|> Repo.all()
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|> Enum.filter(&Canada.Can.can?(user, :show, &1))
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|> Enum.map(&{&1.name, &1.id})
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forums = [{"-", ""} | forums]
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render(conn, "index.html", posts: posts, forums: forums, layout_class: "layout--wide")
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end
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defp parse_search(conn, %{"post" => post_params}) do
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parse_author(post_params) ++
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parse_subject(post_params) ++
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parse_forum_id(conn, post_params) ++
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parse_body(post_params)
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end
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defp parse_search(_conn, _params), do: [%{match_all: %{}}]
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defp parse_author(%{"author" => author}) when author not in [nil, ""] do
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case String.contains?(author, ["*", "?"]) do
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true ->
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[
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%{wildcard: %{author: String.downcase(author)}},
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%{term: %{anonymous: false}}
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]
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false ->
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[
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%{term: %{author: String.downcase(author)}},
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%{term: %{anonymous: false}}
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]
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end
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end
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defp parse_author(_params), do: []
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defp parse_subject(%{"subject" => subject}) when subject not in [nil, ""] do
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[%{match: %{subject: %{query: subject, operator: "and"}}}]
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end
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defp parse_subject(_params), do: []
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defp parse_forum_id(conn, %{"forum_id" => forum_id}) when forum_id not in [nil, ""] do
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with {forum_id, _rest} <- Integer.parse(forum_id),
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true <- valid_forum?(conn.assigns.current_user, forum_id)
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do
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[%{term: %{forum_id: forum_id}}]
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else
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_error ->
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[]
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end
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end
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defp parse_forum_id(_conn, _params), do: []
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defp parse_body(%{"body" => body}) when body not in [nil, ""],
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do: [%{match: %{body: body}}]
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defp parse_body(_params), do: []
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defp parse_sort(%{"post" => %{"sf" => sf, "sd" => sd}}) when sf in ["created_at", "_score"] and sd in ["desc", "asc"] do
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%{sf => sd}
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end
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defp parse_sort(_params) do
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%{created_at: :desc}
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end
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defp valid_forum?(user, forum_id) do
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forum =
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Forum
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|> where(id: ^forum_id)
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|> Repo.one()
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Canada.Can.can?(user, :show, forum)
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end
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end |