i18n: pass only the ISO code string to 'translate()'

Don't use the whole Hash everywhere.
Also fall back nicely to english string if no translation exists.

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

@@ -36,7 +36,7 @@ module Invidious::Routes::API::V1::Authenticated
     env.response.content_type = "application/json"
 
     user = env.get("user").as(User)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     max_results = env.params.query["max_results"]?.try &.to_i?
     max_results ||= user.preferences.max_results
@@ -122,7 +122,7 @@ module Invidious::Routes::API::V1::Authenticated
   end
 
   def self.list_playlists(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
     user = env.get("user").as(User)
@@ -141,7 +141,7 @@ module Invidious::Routes::API::V1::Authenticated
   def self.create_playlist(env)
     env.response.content_type = "application/json"
     user = env.get("user").as(User)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     title = env.params.json["title"]?.try &.as(String).delete("<>").byte_slice(0, 150)
     if !title
@@ -167,7 +167,7 @@ module Invidious::Routes::API::V1::Authenticated
   end
 
   def self.update_playlist_attribute(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
     user = env.get("user").as(User)
@@ -200,7 +200,7 @@ module Invidious::Routes::API::V1::Authenticated
   end
 
   def self.delete_playlist(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
     user = env.get("user").as(User)
@@ -223,7 +223,7 @@ module Invidious::Routes::API::V1::Authenticated
   end
 
   def self.insert_video_into_playlist(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
     user = env.get("user").as(User)
@@ -281,7 +281,7 @@ module Invidious::Routes::API::V1::Authenticated
   end
 
   def self.delete_video_in_playlist(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
     user = env.get("user").as(User)
@@ -334,7 +334,7 @@ module Invidious::Routes::API::V1::Authenticated
 
   def self.register_token(env)
     user = env.get("user").as(User)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     case env.request.headers["Content-Type"]?
     when "application/x-www-form-urlencoded"
@@ -396,7 +396,7 @@ module Invidious::Routes::API::V1::Authenticated
   end
 
   def self.unregister_token(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
     env.response.content_type = "application/json"
     user = env.get("user").as(User)
     scopes = env.get("scopes").as(Array(String))

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

@@ -1,6 +1,6 @@
 module Invidious::Routes::API::V1::Channels
   def self.home(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -124,7 +124,7 @@ module Invidious::Routes::API::V1::Channels
   end
 
   def self.latest(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -146,7 +146,7 @@ module Invidious::Routes::API::V1::Channels
   end
 
   def self.videos(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -182,7 +182,7 @@ module Invidious::Routes::API::V1::Channels
   end
 
   def self.playlists(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -219,7 +219,7 @@ module Invidious::Routes::API::V1::Channels
   end
 
   def self.community(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -242,7 +242,7 @@ module Invidious::Routes::API::V1::Channels
   end
 
   def self.search(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 

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

@@ -1,6 +1,6 @@
 module Invidious::Routes::API::V1::Feeds
   def self.trending(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -25,7 +25,7 @@ module Invidious::Routes::API::V1::Feeds
   end
 
   def self.popular(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 

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

@@ -1,7 +1,7 @@
 module Invidious::Routes::API::V1::Misc
   # Stats API endpoint for Invidious
   def self.stats(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
     env.response.content_type = "application/json"
 
     if !CONFIG.statistics_enabled
@@ -15,7 +15,7 @@ module Invidious::Routes::API::V1::Misc
   # user playlists and Invidious playlists. This means that we can't
   # reasonably split them yet. This should be addressed in APIv2
   def self.get_playlist(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
     plid = env.params.url["plid"]
@@ -84,7 +84,7 @@ module Invidious::Routes::API::V1::Misc
   end
 
   def self.mixes(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 

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

@@ -1,6 +1,6 @@
 module Invidious::Routes::API::V1::Search
   def self.search(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
     region = env.params.query["region"]?
 
     env.response.content_type = "application/json"
@@ -43,7 +43,7 @@ module Invidious::Routes::API::V1::Search
   end
 
   def self.search_suggestions(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
     region = env.params.query["region"]?
 
     env.response.content_type = "application/json"

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

@@ -1,6 +1,6 @@
 module Invidious::Routes::API::V1::Videos
   def self.videos(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -20,7 +20,7 @@ module Invidious::Routes::API::V1::Videos
   end
 
   def self.captions(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -149,7 +149,7 @@ module Invidious::Routes::API::V1::Videos
   # thumbnails for individual scenes in a video.
   # See https://support.jwplayer.com/articles/how-to-add-preview-thumbnails
   def self.storyboards(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "application/json"
 
@@ -223,7 +223,7 @@ module Invidious::Routes::API::V1::Videos
   end
 
   def self.annotations(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
 
     env.response.content_type = "text/xml"
 
@@ -293,7 +293,7 @@ module Invidious::Routes::API::V1::Videos
   end
 
   def self.comments(env)
-    locale = LOCALES[env.get("preferences").as(Preferences).locale]?
+    locale = env.get("preferences").as(Preferences).locale
     region = env.params.query["region"]?
 
     env.response.content_type = "application/json"