Show AI token usage per saved test

README.md

@@ -30,6 +30,6 @@ Szkielet komponentu Joomla 6 do gromadzenia pytań testowych.
 
 ## Instalacja
 
-W Joomla wybierz **System → Install → Install from Folder** i wskaż ten katalog. Manifestem instalacyjnym jest `com_testquestions.xml` (wersja 1.43.8).
+W Joomla wybierz **System → Install → Install from Folder** i wskaż ten katalog. Manifestem instalacyjnym jest `com_testquestions.xml` (wersja 1.43.9).
 
 Po instalacji komponent jest dostępny w panelu administratora jako **Pytania testowe**.

administrator/components/com_testquestions/language/en-GB/com_testquestions.ini

@@ -106,6 +106,7 @@ COM_TESTQUESTIONS_RESULTS="Zapisane testy"
 COM_TESTQUESTIONS_RESULT_PREVIEW="Podgląd zapisanego testu"
 COM_TESTQUESTIONS_RESULT_NOT_FOUND="Nie znaleziono zapisanego testu."
 COM_TESTQUESTIONS_RESULT_PARTICIPANT="Użytkownik"
+COM_TESTQUESTIONS_RESULT_AI_TOKENS="Tokeny AI"
 COM_TESTQUESTIONS_RESULT_SCORE="Wynik"
 COM_TESTQUESTIONS_RESULT_POINTS_BEFORE_AFTER="Punkty przed / po korekcie"
 COM_TESTQUESTIONS_RESULT_GRADE="Ocena"

administrator/components/com_testquestions/sql/updates/mysql/1.43.9.sql

@@ -0,0 +1 @@
+-- No database changes required for version 1.43.9.

administrator/components/com_testquestions/src/Model/ResultsModel.php

@@ -9,6 +9,48 @@ use Joomla\CMS\MVC\Model\ListModel;
 
 class ResultsModel extends ListModel
 {
+    public function getItems()
+    {
+        $items = parent::getItems();
+
+        foreach ($items as $item) {
+            $item->ai_input_tokens = 0;
+            $item->ai_output_tokens = 0;
+            $item->ai_total_tokens = 0;
+            $item->ai_cost_usd = 0.0;
+
+            $answers = json_decode((string) ($item->answers ?? ''), true);
+            if (!is_array($answers)) {
+                continue;
+            }
+
+            foreach ($answers as $answer) {
+                if (!is_array($answer)) {
+                    continue;
+                }
+
+                $usages = $answer['ai_usage_history'] ?? (isset($answer['ai_usage']) ? [$answer['ai_usage']] : []);
+                if (!is_array($usages)) {
+                    continue;
+                }
+
+                foreach ($usages as $usage) {
+                    if (!is_array($usage)) {
+                        continue;
+                    }
+                    $item->ai_input_tokens += (int) ($usage['input_tokens'] ?? 0);
+                    $item->ai_output_tokens += (int) ($usage['output_tokens'] ?? 0);
+                    $item->ai_total_tokens += (int) ($usage['total_tokens'] ?? 0);
+                    if (is_numeric($usage['cost_usd'] ?? null)) {
+                        $item->ai_cost_usd += (float) $usage['cost_usd'];
+                    }
+                }
+            }
+        }
+
+        return $items;
+    }
+
     protected function populateState($ordering = 'r.created', $direction = 'desc')
     {
         parent::populateState($ordering, $direction);

administrator/components/com_testquestions/tmpl/results/default.php

@@ -38,6 +38,7 @@ use Joomla\CMS\Router\Route;
             <th><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_RESULT_PARTICIPANT'); ?></th>
             <th><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_SET_TITLE'); ?></th>
             <th><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_RESULT_POINTS_BEFORE_AFTER'); ?></th>
+            <th><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_RESULT_AI_TOKENS'); ?></th>
             <th><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_RESULT_GRADE'); ?></th>
             <th><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_RESULT_EXECUTION_TIME'); ?></th>
             <th><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_RESULT_DATE'); ?></th>
@@ -55,6 +56,18 @@ use Joomla\CMS\Router\Route;
                     <?php if ($pointsAfterPercentage >= $gradeScale[1]) { $grade = $gradeScale[0]; break; } ?>
                 <?php endforeach; ?>
                 <td><?php echo (int) $item->points_before; ?> (<?php echo $pointsBeforePercentage; ?>%) / <?php echo (int) $item->points_after; ?> (<?php echo $pointsAfterPercentage; ?>%)</td>
+                <td>
+                    <?php if ($item->ai_total_tokens > 0) : ?>
+                        <?php echo number_format((int) $item->ai_total_tokens, 0, ',', ' '); ?> <?php echo $this->escape(\Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_AI_USAGE_TOTAL')); ?>
+                        <small class="d-block text-muted">
+                            <?php echo number_format((int) $item->ai_input_tokens, 0, ',', ' '); ?> in /
+                            <?php echo number_format((int) $item->ai_output_tokens, 0, ',', ' '); ?> out
+                            <?php if ($item->ai_cost_usd > 0) : ?> · <?php echo number_format((float) $item->ai_cost_usd, 8, ',', ' '); ?> USD<?php endif; ?>
+                        </small>
+                    <?php else : ?>
+                        —
+                    <?php endif; ?>
+                </td>
                 <td><?php echo $this->escape($grade); ?></td>
                 <td><?php echo floor((int) $item->execution_time / 60); ?>:<?php echo str_pad((string) ((int) $item->execution_time % 60), 2, '0', STR_PAD_LEFT); ?></td>
                 <td><?php echo HTMLHelper::_('date', $item->created, 'Y-m-d H:i'); ?></td>

com_testquestions.xml

@@ -4,7 +4,7 @@
     <creationDate>2026-10-14</creationDate>
     <author>Komponent</author>
     <license>GNU General Public License version 2 or later</license>
-    <version>1.43.8</version>
+    <version>1.43.9</version>
     <description>COM_TESTQUESTIONS_DESCRIPTION</description>
     <element>com_testquestions</element>
     <namespace path="src">Komponent\Component\Testquestions</namespace>