Fixing careers and promotions classes when there is no data, fixing also the created_at and updated_at behaviour in the model.lib.php

main/admin/promotions.php

@@ -76,6 +76,17 @@ if (isset($_GET['action']) && $_GET['action'] == 'add') {
     if (api_get_session_id() != 0 && !api_is_allowed_to_session_edit(false, true)) {
         api_not_allowed();
     }
+    
+    //First you need to create a Career
+    $career = new Career();
+    $careers = $career->get_all();
+    if (empty($careers)) {
+        $url = Display::url(get_lang('YouNeedToCreateACareerFirst'), 'careers.php?action=add');
+    	Display::display_normal_message($url, false);
+        Display::display_footer();
+        exit;
+    }
+    
     $url  = api_get_self().'?action='.Security::remove_XSS($_GET['action']);
     $form = $promotion->return_form($url, 'add');    
 

main/inc/ajax/model.ajax.php

@@ -44,7 +44,7 @@ switch ($action) {
 //3. Calculating first, end, etc
         
 $total_pages = 0;
-if ($count >0) { 
+if ($count > 0) { 
     if (!empty($limit)) {
         $total_pages = ceil($count/$limit);
     }
@@ -52,7 +52,12 @@ if ($count >0) {
 if ($page > $total_pages) { 
     $page = $total_pages;
 }     
+
 $start = $limit * $page - $limit;
+if ($start < 0 ) {
+	$start = 0;
+}
+ 
 
 //4. Deleting an element if the user wants to
 if ($_REQUEST['oper'] == 'del') {

main/inc/lib/career.lib.php

@@ -84,13 +84,16 @@ class Career extends Model {
         
         $status_list = $this->get_status_list();         
         $form->addElement('select', 'status', get_lang('Status'), $status_list);
+        if ($action == 'edit') {
             $form->addElement('text', 'created_at', get_lang('CreatedAt'));
             $form->freeze('created_at');
+        }        
         
         $form->addElement('style_submit_button', 'submit', get_lang('Modify'), 'class="save"');
     
         // Setting the defaults
         $defaults = $this->get($_GET['id']);
+        
         $defaults['created_at'] = api_convert_and_format_date($defaults['created_at']);
         $defaults['updated_at'] = api_convert_and_format_date($defaults['updated_at']);
         $form->setDefaults($defaults);

main/inc/lib/model.lib.php

@@ -112,9 +112,14 @@ class Model {
      */
     public function update($params) {
         $params = $this->clean_parameters($params);
+        //If the class have the updated at we update the date
         if (in_array('updated_at', $this->columns)) {           
             $params['updated_at'] = api_get_utc_datetime();
         }
+        //If the class have the created at we remove it
+        if (in_array('created_at', $this->columns)) {
+            unset($params['created_at']);
+        }
         
         if (!empty($params)) {
             $id = $params['id'];

main/inc/lib/promotion.lib.php

@@ -94,10 +94,10 @@ class Promotion extends Model {
         
         $status_list = $this->get_status_list();         
         $form->addElement('select', 'status', get_lang('Status'), $status_list);
-        
+        if ($action == 'edit') {
             $form->addElement('text', 'created_at', get_lang('CreatedAt'));
             $form->freeze('created_at');
-         
+        }         
         $form->addElement('style_submit_button', 'submit', get_lang('Modify'), 'class="save"');
     
         // Setting the defaults
@@ -106,8 +106,6 @@ class Promotion extends Model {
         $defaults['updated_at'] = api_convert_and_format_date($defaults['updated_at']);            
         $form->setDefaults($defaults);
     
-        
-    
         // Setting the rules
         $form->addRule('name', '<div class="required">'.get_lang('ThisFieldIsRequired'), 'required');