Move files to exp_legacy

exp_legacy/module/modules/data/language.lua

@@ -0,0 +1,34 @@
+--- Stores the language used to join the server
+-- @data Language
+
+local Event = require 'utils.event' ---@dep utils.event
+local PlayerData = require 'expcore.player_data' --- @dep expcore.player_data
+local LocalLanguage = PlayerData.Statistics:combine('LocalLanguage')
+LocalLanguage:set_default("Unknown")
+
+--- Creates translation request on_load of a player
+LocalLanguage:on_load(function(player_name, _)
+  local player = game.players[player_name]
+  player.request_translation({"language.local-language"})
+end)
+
+--- Resolves translation request for language setting
+Event.add(defines.events.on_string_translated, function(event)
+  -- Check if event.localised_string is a table
+  -- Check if the translation request was for language setting
+  if type(event.localised_string) ~= "table" or event.localised_string[1] ~= "language.local-language" then
+    return
+  end
+
+  -- Check if the translation request was succesful
+  local player = game.players[event.player_index]
+  if not event.translated then
+    player.print("Could not detect your language settings")
+    -- Raise error
+    return
+  end
+
+  -- Change LocalLanguage value for the player to the recognized one
+  local language = event.result
+  LocalLanguage:set(player, language)
+end)