From 1e3b2cb567e33024fc32b659ba94d9c78ae7cd13 Mon Sep 17 00:00:00 2001
From: Linden <65407488+thelindat@users.noreply.github.com>
Date: Mon, 1 Apr 2024 19:16:53 +1100
Subject: [PATCH] feat(locale): locale hotloading

---
 imports/locale/shared.lua  | 10 ++++++++--
 resource/locale/client.lua | 34 ++++++++++++++++++++++++++--------
 resource/locale/server.lua |  1 +
 resource/server.lua        | 14 ++++++++++++++
 4 files changed, 49 insertions(+), 10 deletions(-)
 create mode 100644 resource/locale/server.lua
 create mode 100644 resource/server.lua

diff --git a/imports/locale/shared.lua b/imports/locale/shared.lua
index f051dc2..946e343 100644
--- a/imports/locale/shared.lua
+++ b/imports/locale/shared.lua
@@ -38,10 +38,12 @@ function lib.getLocales()
 end
 
 ---Loads the ox_lib locale module. Prefer using fxmanifest instead (see [docs](https://overextended.dev/ox_lib#usage)).
-function lib.locale()
-    local lang = GetConvar('ox:locale', 'en')
+function lib.locale(key)
+    local lang = key or lib.getLocaleKey()
     local locales = json.decode(LoadResourceFile(cache.resource, ('locales/%s.json'):format(lang)))
 
+    table.wipe(dict)
+
     if not locales then
         local warning = "could not load 'locales/%s.json'"
         warn(warning:format(lang))
@@ -104,4 +106,8 @@ exports('getLocale', function(key)
     return dict[key]
 end)
 
+AddEventHandler('ox_lib:setLocale', function(key)
+    lib.locale(key)
+end)
+
 return lib.locale
diff --git a/resource/locale/client.lua b/resource/locale/client.lua
index ebbd139..88c6d15 100644
--- a/resource/locale/client.lua
+++ b/resource/locale/client.lua
@@ -1,15 +1,33 @@
+local settings = require 'resource.settings'
+
+local function loadLocaleFile(key)
+    local file = LoadResourceFile(cache.resource, ('locales/%s.json'):format(key))
+        or LoadResourceFile(cache.resource, 'locales/en.json')
+
+    return file and json.decode(file) or {}
+end
+
+function lib.getLocaleKey() return settings.locale end
+
+---@param key string
+function lib.setLocale(key)
+    settings.locale = key
+
+    SetResourceKvp('locale', key)
+    TriggerEvent('ox_lib:setLocale', key)
+    SendNUIMessage({
+        action = 'setLocale',
+        data = loadLocaleFile(key)
+    })
+end
+
 RegisterNUICallback('init', function(_, cb)
     cb(1)
 
-    SendNUIMessage({
-        action = 'loadLocales',
-        data = {}
-    })
-
-	local JSON = LoadResourceFile(cache.resource, ('locales/%s.json'):format(GetConvar('ox:locale', 'en'))) or LoadResourceFile(cache.resource, 'locales/en.json')
-
     SendNUIMessage({
         action = 'setLocale',
-        data = JSON and json.decode(JSON) or {}
+        data = loadLocaleFile(settings.locale)
     })
 end)
+
+lib.locale(settings.locale)
diff --git a/resource/locale/server.lua b/resource/locale/server.lua
new file mode 100644
index 0000000..552696f
--- /dev/null
+++ b/resource/locale/server.lua
@@ -0,0 +1 @@
+function lib.getLocaleKey() return GetConvar('ox:locale', 'en') end
diff --git a/resource/server.lua b/resource/server.lua
new file mode 100644
index 0000000..99b62db
--- /dev/null
+++ b/resource/server.lua
@@ -0,0 +1,14 @@
+local locales, localesN = lib.getFilesInDirectory('locales', '%.json')
+
+for i = 1, localesN do
+    local key = locales[i]
+    local value = key:gsub('%.json', '')
+    local label = (json.decode(LoadResourceFile(lib.name, ('locales/%s'):format(key)) or '') or '').language or value
+    locales[i] = { label = label, value = value }
+end
+
+table.sort(locales, function(a, b)
+    return a.label < b.label
+end)
+
+GlobalState['ox_lib:locales'] = locales