- defp handle_preview("image/" <> _, %{params: params} = conn, url) do
- with {:ok, %{status: status, body: body}} when status in 200..299 <- Tesla.get(url),
- {:ok, path} <- MogrifyHelper.store_as_temporary_file(url, body),
- resize_dimensions <-
- Map.get(
- params,
- "limit_dimensions",
- Config.get([:media_preview_proxy, :limit_dimensions])
- ),
- %Mogrify.Image{} <- MogrifyHelper.in_place_resize_to_limit(path, resize_dimensions) do
- send_file(conn, 200, path)
+ defp handle_preview("image/png" <> _ = _content_type, conn, media_proxy_url) do
+ handle_png_preview(conn, media_proxy_url)
+ end
+
+ defp handle_preview("image/" <> _ = _content_type, conn, media_proxy_url) do
+ handle_jpeg_preview(conn, media_proxy_url)
+ end
+
+ defp handle_preview("video/" <> _ = _content_type, conn, media_proxy_url) do
+ handle_video_preview(conn, media_proxy_url)
+ end
+
+ defp handle_preview(_unsupported_content_type, conn, media_proxy_url) do
+ fallback_on_preview_error(conn, media_proxy_url)
+ end
+
+ defp handle_png_preview(conn, media_proxy_url) do
+ quality = Config.get!([:media_preview_proxy, :image_quality])
+ {thumbnail_max_width, thumbnail_max_height} = thumbnail_max_dimensions()
+
+ with {:ok, thumbnail_binary} <-
+ MediaHelper.image_resize(
+ media_proxy_url,
+ %{
+ max_width: thumbnail_max_width,
+ max_height: thumbnail_max_height,
+ quality: quality,
+ format: "png"
+ }
+ ) do
+ conn
+ |> put_preview_response_headers(["image/png", "preview.png"])
+ |> send_resp(200, thumbnail_binary)