much better fix for #1082

inc/poche/Database.class.php

@@ -411,12 +411,14 @@ class Database {
 
         return $count;
     }
-    public function getRandomId($row, $user_id) {
-       $sql = "SELECT id FROM entries WHERE user_id=? LIMIT 1 OFFSET ? ";
-       $params = array($user_id, $row);
-       $query = $this->executeQuery($sql, $params);
+    public function getRandomId($user_id) {
+        $random = (STORAGE == 'mysql') ? 'RAND()' : 'RANDOM()';
+        $sql = "SELECT id FROM entries WHERE user_id=? ORDER BY ". $random . " LIMIT 1";
+        $params = array($user_id);
+        $query = $this->executeQuery($sql, $params);
+        $id = $query->fetchAll();
 
-       return $query->fetchAll();
+        return $id;
     }
 
 

inc/poche/Poche.class.php

@@ -393,13 +393,12 @@ class Poche
                 
             /* For some unknown reason I can't get displayView() to work here (it redirects to home view afterwards). So here's a dirty fix which redirects directly to URL */
             case 'random':
-                $count = $this->store->getEntriesByViewCount($view, $this->user->getId());
-                $id_query = $this->store->getRandomId(rand(1,$count)-1, $this->user->getId());
-                $id = $id_query[0];
                 Tools::logm('get a random article');
-                Tools::redirect('?view=view&id=' . $id[0]);
-                
-                //$this->displayView('view', $id);
+                if ($this->store->getRandomId($this->user->getId())) {
+                    $id = $this->store->getRandomId($this->user->getId())[0];
+                    Tools::redirect('?view=view&id=' . $id[0]);
+                    Tools::logm('got the article with id ' . $id[0]);
+                }
                 break;
             default:
                 break;

install/index.php

@@ -68,7 +68,7 @@ else if (isset($_POST['install'])) {
 
         if ($_POST['db_engine'] == 'sqlite') {
             if (!copy('install/poche.sqlite', 'db/poche.sqlite')) {
-                $errors[] = 'Impossible to create the SQLite database file.';
+                $errors[] = 'Impossible to create the SQLite database file. Please check your file permissions.';
             }
             else {
                 $db_path = 'sqlite:' . realpath('') . '/db/poche.sqlite';
@@ -160,7 +160,7 @@ else if (isset($_POST['install'])) {
         
 
     if (!copy('inc/poche/config.inc.default.php', 'inc/poche/config.inc.php')) {
-        $errors[] = 'Installation aborted, impossible to create inc/poche/config.inc.php file. Maybe you don\'t have write access to create it.';
+        $errors[] = 'Installation aborted, impossible to create inc/poche/config.inc.php file. Maybe you don\'t have write access to create it. Check your file permissions.';
     } else {
         if ($_POST['db_engine'] != 'sqlite') {
             $content = str_replace("define ('STORAGE', 'sqlite');", "define ('STORAGE', '".$_POST['db_engine']."');", $content);
@@ -407,7 +407,7 @@ border: 1px solid #000;
                 <div class='messages success install'>
                     <p>
                         <a href="index.php?clean=0">Click here to finish update.</a><br>
-                        If it fails, just delete the install directory.
+                        If it fails, check your file permissions or just delete the install directory.
                     </p>
                     <p>You may have to clear cache (by going into config screen) after update.</p>
                 </div>