Clean up setup validation.

config/bootstrap.php

@@ -29,6 +29,33 @@ class SetupException extends Exception {
     }
 }
 
+function handle_setup_exception(SetupException $e){
+    switch ($e->getSetupIssue()){
+        case 'storage_missing':
+        case 'storage_permissions':
+        case 'directory_creation':
+        case 'directory_permissions':
+        case 'database_connection':
+        case 'table_creation':
+            // Unrecoverable errors.
+            // Show error message and exit
+            http_response_code(500);
+            echo "<h1>Configuration Error</h1>";
+            echo "<p>" . htmlspecialchars($setupError['message']) . "</p>";
+            exit;
+        case 'table_contents':
+            // Recoverable error.
+            // Redirect to setup if we aren't already headed there.
+            $config = ConfigModel::load();
+            $currentPath = trim(parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH), '/');
+
+            if (strpos($currentPath, 'setup') === false) {
+                header("Location: {$config->basePath}/setup");
+                exit;
+            }
+    }
+}
+
 // Main validation function
 // Any failures will throw a SetupException
 function confirm_setup(): void {

src/Controller/AdminController/AdminController.php

@@ -14,18 +14,24 @@ class AdminController extends Controller {
         $this->render("admin.php", $vars);
     }
 
-    // POST handler
-    // save updated settings
     public function handleSave(){
-        $config = ConfigModel::load();
-
-        if (!ConfigModel::isFirstSetup()) {
-            if (!Session::isLoggedIn()){
-                header('Location: ' . $config->basePath . '/login');
-                exit;
-            }
+        if (!Session::isLoggedIn()){
+            header('Location: ' . $config->basePath . '/login');
+            exit;
         }
 
+        $this->save();
+    }
+
+    public function handleSetup(){
+        // for setup, we don't care if they're logged in
+        // (because they can't be until setup is complete)
+        $this->save();
+    }
+
+    // save updated settings
+    private function save(){
+        $config = ConfigModel::load();
         $user = UserModel::load();
 
         // handle form submission
@@ -115,10 +121,6 @@ class AdminController extends Controller {
             }
         }
 
-        if (ConfigModel::isFirstSetup()){
-            ConfigModel::completeSetup();
-        }
-
         header('Location: ' . $config->basePath . 'admin');
         exit;
     }

src/Framework/Router/Router.php

@@ -17,6 +17,8 @@ class Router {
         ['logout', 'AuthController@handleLogout', ['GET', 'POST']],
         ['mood', 'MoodController'],
         ['mood', 'MoodController@handleMood', ['POST']],
+        ['setup', 'AdminController@showSetup'],
+        ['setup', 'AdminController@handleSetup', ['POST']],
         ['tick/{y}/{m}/{d}/{h}/{i}/{s}', 'TickController'],
         ['css/custom/{filename}.css', 'CssController@serveCustomCss'],
     ];

src/Model/ConfigModel/ConfigModel.php

@@ -9,14 +9,6 @@ class ConfigModel {
     public string $timezone = 'relative';
     public ?int $cssId = null;
 
-    public static function isFirstSetup(): bool {
-        return !file_exists(STORAGE_DIR . '/init_complete');
-    }
-
-    public static function completeSetup(): void {
-        touch(STORAGE_DIR . '/init_complete');
-    }
-
     // load config from sqlite database
     public static function load(): self {
         $init = require APP_ROOT . '/config/init.php';
@@ -54,11 +46,12 @@ class ConfigModel {
 
     public function save(): self {
         global $db;
+        $settingsCount = (int) $db->query("SELECT COUNT(*) FROM settings")->fetchColumn();
 
-        if (!ConfigModel::isFirstSetup()){
-            $stmt = $db->prepare("UPDATE settings SET site_title=?, site_description=?, base_url=?, base_path=?, items_per_page=?, css_id=? WHERE id=1");
-        } else {
+        if ($settingsCount === 0){
             $stmt = $db->prepare("INSERT INTO settings (id, site_title, site_description, base_url, base_path, items_per_page, css_id) VALUES (1, ?, ?, ?, ?, ?, ?)");
+        } else {
+            $stmt = $db->prepare("UPDATE settings SET site_title=?, site_description=?, base_url=?, base_path=?, items_per_page=?, css_id=? WHERE id=1");
         }
         $stmt->execute([$this->siteTitle, $this->siteDescription, $this->baseUrl, $this->basePath, $this->itemsPerPage, $this->cssId]);
 

src/Model/UserModel/UserModel.php

@@ -29,11 +29,12 @@ class UserModel {
 
    public function save(): self {
       global $db;
+      $userCount = (int) $db->query("SELECT COUNT(*) FROM user")->fetchColumn();
 
-      if (!ConfigModel::isFirstSetup()){
-        $stmt = $db->prepare("UPDATE user SET username=?, display_name=?, about=?, website=?, mood=? WHERE id=1");
-      } else {
+      if ($userCount === 0){
         $stmt = $db->prepare("INSERT INTO user (id, username, display_name, about, website, mood) VALUES (1, ?, ?, ?, ?, ?)");
+      } else {
+        $stmt = $db->prepare("UPDATE user SET username=?, display_name=?, about=?, website=?, mood=? WHERE id=1");
       }
 
       $stmt->execute([$this->username, $this->displayName, $this->about, $this->website, $this->mood]);