Provide response on video error

src/invidious.cr

@@ -1752,7 +1752,7 @@ get "/api/v1/comments/:id" do |env|
     env.response.content_type = "application/json"
 
     if !response["response"]["continuationContents"]?
-      halt env, status_code: 401
+      halt env, status_code: 403
     end
 
     response = response["response"]["continuationContents"]
@@ -1862,7 +1862,7 @@ get "/api/v1/comments/:id" do |env|
       comments = JSON.parse(comments)
       content_html = template_youtube_comments(comments)
 
-      {"content_html" => content_html}.to_json
+      next {"content_html" => content_html}.to_json
     end
   elsif source == "reddit"
     client = make_client(REDDIT_URL)
@@ -1883,7 +1883,7 @@ get "/api/v1/comments/:id" do |env|
     end
 
     env.response.content_type = "application/json"
-    {"title"        => reddit_thread.title,
+    next {"title"        => reddit_thread.title,
           "permalink"    => reddit_thread.permalink,
           "content_html" => content_html}.to_json
   end
@@ -1895,7 +1895,9 @@ get "/api/v1/videos/:id" do |env|
   begin
     video = get_video(id, PG_DB)
   rescue ex
-    halt env, status_code: 403
+    env.response.content_type = "application/json"
+    response = {"error" => ex.message}.to_json
+    halt env, status_code: 500, response: response
   end
 
   fmt_stream = video.fmt_stream(decrypt_function)

src/invidious/helpers/utils.cr

@@ -68,7 +68,7 @@ def decode_date(string : String)
     return Time.new(string.to_i, 1, 1)
   end
 
-  # String matches format "20 hours ago", "40 minutes ago"...
+  # String matches format "20 hours ago", "4 months ago"...
   date = string.split(" ")[-3, 3]
   delta = date[0].to_i