API: make /api/v1/videos respect the 'local' parameter

src/invidious/http_server/utils.cr

@@ -0,0 +1,20 @@
+module Invidious::HttpServer
+  module Utils
+    extend self
+
+    def proxy_video_url(raw_url : String, *, region : String? = nil, absolute : Bool = false)
+      url = URI.parse(raw_url)
+
+      # Add some URL parameters
+      params = url.query_params
+      params["host"] = url.host.not_nil! # Should never be nil, in theory
+      params["region"] = region if !region.nil?
+
+      if absolute
+        return "#{HOST_URL}#{url.request_target}?#{params}"
+      else
+        return "#{url.request_target}?#{params}"
+      end
+    end
+  end
+end