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69 lines
No EOL
1.8 KiB
Elixir
69 lines
No EOL
1.8 KiB
Elixir
defmodule PhilomenaWeb.Image.NavigateController do
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use PhilomenaWeb, :controller
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alias Philomena.Images.Image
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alias Philomena.Images.Query
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alias Philomena.ImageNavigator
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plug PhilomenaWeb.CanaryMapPlug, index: :show
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plug :load_and_authorize_resource, model: Image, id_name: "image_id", persisted: true
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def index(conn, %{"rel" => rel} = params) when rel in ~W(prev next) do
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image = conn.assigns.image
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filter = conn.assigns.compiled_filter
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rel = String.to_existing_atom(rel)
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next_image = ImageNavigator.find_consecutive(image, rel, params, compile_query(conn), filter)
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scope = Philomena.ImageScope.scope(conn)
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conn
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|> redirect(to: Routes.image_path(conn, :show, next_image, scope))
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end
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def index(conn, %{"rel" => "find"}) do
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image = conn.assigns.image
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filter = conn.assigns.compiled_filter
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pagination = conn.assigns.pagination
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# Global find does not use the current search scope.
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resp =
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Image.search(
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%{
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query: %{
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bool: %{
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must: %{
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range: %{id: %{gt: image.id}}
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},
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must_not: [
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filter,
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%{term: %{hidden_from_users: true}}
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]
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}
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},
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sort: %{created_at: :desc},
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size: 0
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}
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)
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page_num = page_for_offset(pagination.page_size, resp["hits"]["total"])
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conn
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|> redirect(to: Routes.image_path(conn, :index, page: page_num))
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end
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defp page_for_offset(_per_page, 0), do: 1
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defp page_for_offset(per_page, offset) do
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((offset + 1) / per_page)
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|> Float.ceil()
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|> trunc()
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|> to_string()
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end
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defp compile_query(conn) do
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user = conn.assigns.current_user
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{:ok, query} = Query.compile(user, conn.params["q"] || "")
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query
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end
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end |