Extract API routes from invidious.cr (2/?)

- Video playback endpoints
- Search feed api
- Video info api

src/invidious/routes/api/v1/feeds.cr

@@ -0,0 +1,46 @@
+module Invidious::Routes::APIv1
+  def self.trending(env)
+    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+
+    env.response.content_type = "application/json"
+
+    region = env.params.query["region"]?
+    trending_type = env.params.query["type"]?
+
+    begin
+      trending, plid = fetch_trending(trending_type, region, locale)
+    rescue ex
+      return error_json(500, ex)
+    end
+
+    videos = JSON.build do |json|
+      json.array do
+        trending.each do |video|
+          video.to_json(locale, json)
+        end
+      end
+    end
+
+    videos
+  end
+
+  def self.popular(env)
+    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+
+    env.response.content_type = "application/json"
+
+    if !CONFIG.popular_enabled
+      error_message = {"error" => "Administrator has disabled this endpoint."}.to_json
+      env.response.status_code = 400
+      return error_message
+    end
+
+    JSON.build do |json|
+      json.array do
+        popular_videos.each do |video|
+          video.to_json(locale, json)
+        end
+      end
+    end
+  end
+end