More theme and i18n stuff

1 files changed, 65 insertions, 17 deletions

diff --git a/src/index.php b/src/index.php
index 1807608..1b13e97 100644
--- a/src/index.php
+++ b/src/index.php
@@ -49,7 +49,7 @@ function msg_error(string $err, bool $skipLoginCheck = false): void {
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($GLOBALS["db"])]);
     _view("template_navigation_end");
     _view("alert_error", ["message" => $err]);
-    _view("template_end");
+    _view("template_end", [...getThemeAndLangInfo()]);
 }
 
 function msg_info(string $msg, bool $skipLoginCheck = false): void {
@@ -59,7 +59,7 @@ function msg_info(string $msg, bool $skipLoginCheck = false): void {
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($GLOBALS["db"])]);
     _view("template_navigation_end");
     _view("alert_info", ["message" => $msg]);
-    _view("template_end");
+    _view("template_end", [...getThemeAndLangInfo()]);
 }
 
 function generateCaptchaText(): string {
@@ -69,13 +69,47 @@ function generateCaptchaText(): string {
     return $phrase;
 }
 
-function _view(string $name, array $params = []): void {
-    $___NAME = $name;
-    $___PARAMS = &$params;
-    extract($params);
-    echo "<!--{" . htmlentities($name) . "}-->\n";
-    include __DIR__ . "/application/views/" . $___NAME . ".php";
-    echo "<!--{/" . htmlentities($name) . "}-->\n";
+function getThemeAndLangInfo(): array {
+    $availableThemes = [];
+    $currentTheme = $_GET["theme"] ?? $_COOKIE["theme"] ?? env("MYSTIC_FORUM_THEME") ?? "default";
+    foreach (scandir($dir = __DIR__ . '/themes/') as $ent) {
+        if ($ent[0] === "." || !is_dir($dir . "/" . $ent) || !is_file($theme_file = $dir . "/" . $ent . "/theme.json"))
+            continue;
+        $theme_info = json_decode(file_get_contents($theme_file));
+        $availableThemes[$ent] = $theme_info;
+    }
+
+    $availableLangs = [
+        "en" => "English",
+    ];
+    foreach (i18n_get_available_locales() as $loc) {
+        if (isset($availableLangs[$loc]))
+            continue;
+        $metadata = i18n_metadata($loc);
+        $availableLangs[$loc] = $metadata["langName"] ?? $loc;
+    }
+
+    return [
+        "availableThemes" => $availableThemes,
+        "currentTheme" => $currentTheme,
+
+        "availableLangs" => $availableLangs,
+        "currentLang" => i18n_get_current_locale(),
+    ];
+}
+
+function _view(string $___NAME, array $___PARAMS = []): void {
+    $___PATH = __DIR__ . "/application/views/" . $___NAME . ".php";
+    if (!is_file($___PATH)) {
+        echo "<!--!ERROR Failed to include {" . htmlentities($___NAME) . "}-->\n";
+        echo "<br><p><strong style=\"color:red !important\">Failed to include <em>" . htmlentities($___NAME) . "</em></strong></p><br>\n";
+        echo "<!--/ERROR-->\n";
+    } else {
+        extract($___PARAMS);
+        echo "<!--{" . htmlentities($___NAME) . "}-->\n";
+        include $___PATH;
+        echo "<!--{/" . htmlentities($___NAME) . "}-->\n";
+    }
 }
 
 function isTrue(string $str): bool {
@@ -242,7 +276,7 @@ if ($_action === "auth") {
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
         _view("form_login");
-        _view("template_end");
+        _view("template_end", [...getThemeAndLangInfo()]);
     }
 } elseif ($_action === "register") {
     if ($currentUser) {
@@ -350,7 +384,7 @@ if ($_action === "auth") {
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
         _view("form_register");
-        _view("template_end");
+        _view("template_end", [...getThemeAndLangInfo()]);
     }
 } elseif ($_action === "verifyemail") {
     RequestUtils::ensureRequestMethod("GET");
@@ -503,9 +537,11 @@ if ($_action === "auth") {
 
         if ($currentUser) {
             _view("form_addpost");
+        } else {
+            _view("view_logintoreply");
         }
 
-        _view("template_end");
+        _view("template_end", [...getThemeAndLangInfo()]);
     }
 
 } elseif ($_action === "newtopic") {
@@ -581,7 +617,7 @@ if ($_action === "auth") {
         _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
         _view("template_navigation_end");
         _view("form_newtopic");
-        _view("template_end");
+        _view("template_end", [...getThemeAndLangInfo()]);
     }
 } elseif ($_action === "lookupuser") {
     RequestUtils::ensureRequestMethod("GET");
@@ -700,7 +736,7 @@ if ($_action === "auth") {
             "attachments" => $attachments,
             "lastNameChangeTooRecent" => $lastNameChangeTooRecent,
         ]);
-        _view("template_end");
+        _view("template_end", [...getThemeAndLangInfo()]);
     }
 } elseif ($_action === "attachment") {
     if (!$currentUser) {
@@ -946,7 +982,7 @@ if ($_action === "auth") {
             "topicAuthor" => null,
             "attachments" => $attachments,
         ]);
-        _view("template_end");
+        _view("template_end", [...getThemeAndLangInfo()]);
     }
 } elseif ($_action === "updatepost") {
     RequestUtils::ensureRequestMethod("POST");
@@ -1056,7 +1092,7 @@ if ($_action === "auth") {
             "topic" => $topic,
             "topicAuthor" => $topicAuthor,
         ]);
-        _view("template_end");
+        _view("template_end", [...getThemeAndLangInfo()]);
     }
 } elseif ($_action === "updatetopic") {
     RequestUtils::ensureRequestMethod("POST");
@@ -1123,6 +1159,18 @@ if ($_action === "auth") {
         $theme_info = json_decode(file_get_contents($theme_file));
         echo $ent . "\t" . $theme_info->name . "\n";
     }
+} elseif ($_action === "settheme") {
+    RequestUtils::ensureRequestMethod("POST");
+    $theme = $_POST["theme"] ?? exit(msg_error("Missing required field 'theme'") ?? 1);
+    $next = $_POST["next"] ?? ".";
+    setcookie("theme", $theme, time()+60*60*24*30);
+    header("Location: $next");
+} elseif ($_action === "setlang") {
+    RequestUtils::ensureRequestMethod("POST");
+    $lang = $_POST["lang"] ?? exit(msg_error("Missing required field 'lang'") ?? 1);
+    $next = $_POST["next"] ?? ".";
+    setcookie("lang", $lang, time()+60*60*24*30);
+    header("Location: $next");
 } elseif ($_action === "ctheme") {
     // options
     $enableLogging = true;
@@ -1204,7 +1252,7 @@ if ($_action === "auth") {
     _view("template_navigation", ["user" => RequestUtils::getAuthorizedUser($db)]);
     _view("template_navigation_end");
     _view("view_topics", ["topics" => $db->fetchCustom(Topic::class, "ORDER BY creation_date DESC")]);
-    _view("template_end");
+    _view("template_end", [...getThemeAndLangInfo()]);
 } else {
     http_response_code(404);
     msg_error(__("Invalid or unknown action $_action"));