fix: force spanish locale on kde config

configuration.nix

@@ -1,8 +1,15 @@
 { config, lib, pkgs, ... }:
 
+let
+  username = "usuario";
+in
 {
-  imports = lib.optional (builtins.pathExists ./hardware-configuration.nix)
-    ./hardware-configuration.nix;
+  imports =
+    lib.optional (builtins.pathExists ./hardware-configuration.nix)
+      ./hardware-configuration.nix
+    ++ [
+      (import ./locale-es.nix { inherit lib username; })
+    ];
 
   assertions = [
     {
@@ -47,17 +54,13 @@
     kwriteconfig5 --file kwinrc --group Compositing --key AnimationSpeed 2
   '';
 
-  # spanish stuff
-  services.xserver.xkb.layout = "es";
-  i18n.defaultLocale = "es_ES.UTF-8";
-
   services.pipewire.enable = true;
 
   # user configuration
-  users.users.usuario = {
+  users.users.${username} = {
     isNormalUser = true;
     extraGroups = [ "networkmanager" ];
-    password = "usuario";
+    password = username;
   };
   users.users.root.initialPassword = "toor";
 

locale-es.nix

@@ -0,0 +1,50 @@
+{ lib, username, ... }:
+
+let
+  homeDir = "/home/${username}";
+  locale = "es_ES.UTF-8";
+in
+{
+  services.xserver.xkb.layout = "es";
+  console.useXkbConfig = true;
+
+  i18n.defaultLocale = locale;
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = locale;
+    LC_IDENTIFICATION = locale;
+    LC_MEASUREMENT = locale;
+    LC_MESSAGES = locale;
+    LC_MONETARY = locale;
+    LC_NAME = locale;
+    LC_NUMERIC = locale;
+    LC_PAPER = locale;
+    LC_TELEPHONE = locale;
+    LC_TIME = locale;
+  };
+
+  # plasma per user override with system locale
+  system.activationScripts.plasmaSpanishLocale = lib.stringAfter [ "users" ] ''
+    if [ -d "${homeDir}" ]; then
+      install -d -m 700 -o ${username} -g users "${homeDir}/.config"
+      cat > "${homeDir}/.config/plasma-localerc" <<'EOF'
+[Formats]
+LANG=es_ES.UTF-8
+LC_ADDRESS=es_ES.UTF-8
+LC_IDENTIFICATION=es_ES.UTF-8
+LC_MEASUREMENT=es_ES.UTF-8
+LC_MESSAGES=es_ES.UTF-8
+LC_MONETARY=es_ES.UTF-8
+LC_NAME=es_ES.UTF-8
+LC_NUMERIC=es_ES.UTF-8
+LC_PAPER=es_ES.UTF-8
+LC_TELEPHONE=es_ES.UTF-8
+LC_TIME=es_ES.UTF-8
+
+[Translations]
+LANGUAGE=es
+EOF
+      chown ${username}:users "${homeDir}/.config/plasma-localerc"
+      chmod 600 "${homeDir}/.config/plasma-localerc"
+    fi
+  '';
+}