philomena/lib/philomena_web/controllers/search_controller.ex

defmodule PhilomenaWeb.SearchController do
  use PhilomenaWeb, :controller

  alias Philomena.Images.{Image, Query}
  alias Philomena.ImageSorter
  alias Philomena.Interactions

  import Ecto.Query

  def index(conn, params) do
    filter = conn.assigns.compiled_filter
    user = conn.assigns.current_user
    sort = ImageSorter.parse_sort(params)

    with {:ok, query} <- Query.compile(user, params["q"]) do
      images =
        Image.search_records(
          %{
            query: %{bool: %{must: [query | sort.queries], must_not: [filter, %{term: %{hidden_from_users: true}}]}},
            sort: sort.sorts
          },
          conn.assigns.image_pagination,
          Image |> preload(:tags)
        )

      interactions =
        Interactions.user_interactions(images, user)

      conn
      |> render("index.html", images: images, search_query: params["q"], interactions: interactions, layout_class: "layout--wide")
    else
      {:error, msg} ->
        conn
        |> render("index.html",
          images: [],
          error: msg,
          search_query: params["q"]
        )
    end
  end

end