Show actual AI token usage and cost

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 1.43.1).
+W Joomla wybierz **System → Install → Install from Folder** i wskaż ten katalog. Manifestem instalacyjnym jest `com_testquestions.xml` (wersja 1.43.4).
 
 Po instalacji komponent jest dostępny w panelu administratora jako **Pytania testowe**.

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

@@ -65,6 +65,8 @@ COM_TESTQUESTIONS_SET_VARIANT_DURATION_INFO="Czas testu jest pobierany z zestawu
 COM_TESTQUESTIONS_AI_SETTINGS="Ustawienia AI"
 COM_TESTQUESTIONS_AI_PROVIDER="Dostawca AI"
 COM_TESTQUESTIONS_AI_API_KEY="Klucz API"
+COM_TESTQUESTIONS_AI_OPENAI_KEY="Klucz API OpenAI"
+COM_TESTQUESTIONS_AI_GROK_KEY="Klucz API Grok"
 COM_TESTQUESTIONS_AI_SETTINGS_MENU="Konfiguracja AI"
 COM_TESTQUESTIONS_AI_SETTINGS_SAVED="Ustawienia AI zapisano."
 COM_TESTQUESTIONS_AI_SAVE_FAILED="Nie udało się zapisać ustawień AI."

administrator/components/com_testquestions/sql/updates/mysql/1.43.2.sql

@@ -0,0 +1 @@
+-- No database changes required for version 1.43.2.

administrator/components/com_testquestions/sql/updates/mysql/1.43.3.sql

@@ -0,0 +1 @@
+-- No database changes required for version 1.43.3.

administrator/components/com_testquestions/sql/updates/mysql/1.43.4.sql

@@ -0,0 +1 @@
+-- No database changes required for version 1.43.4.

administrator/components/com_testquestions/src/Controller/AiController.php

@@ -44,13 +44,23 @@ class AiController extends BaseController
 
         $settings = json_decode((string) $row->params, true);
         $settings = is_array($settings) ? $settings : [];
-        $apiKey = trim((string) $input->post->get('ai_api_key', '', 'RAW'));
+        $legacyKey = trim((string) ($settings['ai_api_key'] ?? ''));
 
         $settings['ai_provider'] = $provider;
+        foreach (['openai', 'grok'] as $keyProvider) {
+            $fieldName = 'ai_' . $keyProvider . '_api_key';
+            $apiKey = trim((string) $input->post->get($fieldName, '', 'RAW'));
+
             if ($apiKey !== '') {
-            $settings['ai_api_key'] = $apiKey;
+                $settings[$fieldName] = $apiKey;
             }
 
+            if ($keyProvider === $provider && empty($settings[$fieldName]) && $legacyKey !== '') {
+                $settings[$fieldName] = $legacyKey;
+            }
+        }
+        unset($settings['ai_api_key']);
+
         $extension = (object) [
             'extension_id' => (int) $row->extension_id,
             'params' => json_encode($settings, JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES),

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

@@ -92,7 +92,9 @@ class ResultModel extends BaseDatabaseModel
 
         $params = ComponentHelper::getParams('com_testquestions');
         $provider = trim((string) $params->get('ai_provider', 'openai'));
-        $apiKey = trim((string) $params->get('ai_api_key', ''));
+        $provider = strtolower(preg_replace('/[^a-z]/', '', $provider));
+        $keyName = 'ai_' . $provider . '_api_key';
+        $apiKey = trim((string) $params->get($keyName, $params->get('ai_api_key', '')));
         $componentKeyLength = mb_strlen($apiKey);
 
         // Odczytaj zapisane parametry bezpośrednio z bazy. Dzięki temu nie użyjemy
@@ -115,14 +117,21 @@ class ResultModel extends BaseDatabaseModel
             if ($storedProvider !== '') {
                 $provider = $storedProvider;
             }
+        }
 
+        $provider = strtolower(preg_replace('/[^a-z]/', '', $provider));
+        $keyName = 'ai_' . $provider . '_api_key';
+        $apiKey = trim((string) $params->get($keyName, $params->get('ai_api_key', '')));
+        $componentKeyLength = mb_strlen($apiKey);
+        $storedApiKey = is_array($storedParams)
+            ? trim((string) ($storedParams[$keyName] ?? $storedParams['ai_api_key'] ?? ''))
+            : '';
         if ($storedApiKey !== '' && !preg_match('/^\*+$/', $storedApiKey)) {
             $apiKey = $storedApiKey;
         }
-        }
 
         if (trim($apiKey) === '') {
-            $databaseKey = is_array($storedParams) ? trim((string) ($storedParams['ai_api_key'] ?? '')) : '';
+            $databaseKey = $storedApiKey;
             $databaseKeyLength = preg_match('/^\*+$/', $databaseKey) ? 0 : mb_strlen($databaseKey);
             throw new \RuntimeException(
                 'AI_KEY_EMPTY|provider=' . ($provider !== '' ? $provider : '(pusty)')
@@ -142,6 +151,9 @@ class ResultModel extends BaseDatabaseModel
         );
         $item->answers[$questionId]['ai_feedback'] = $aiResult['feedback'];
         $item->answers[$questionId]['awarded_points'] = $aiResult['awarded_points'];
+        if ($aiResult['usage'] !== null) {
+            $item->answers[$questionId]['ai_usage'] = $aiResult['usage'];
+        }
 
         $correctionPoints = 0;
         foreach ($item->answers as $savedAnswer) {

administrator/components/com_testquestions/src/Service/AiService.php

@@ -73,9 +73,46 @@ class AiService
             throw new \RuntimeException('AI zwróciło nieprawidłowy format oceny i punktów.');
         }
 
+        $usage = $this->getUsage($body, $provider, $config['model']);
+
         return [
             'awarded_points' => min(max(0, $maxPoints), max(0, (int) $result['awarded_points'])),
             'feedback' => trim((string) ($result['feedback'] ?? '')),
+            'usage' => $usage,
+        ];
+    }
+
+    private function getUsage(array $body, string $provider, string $model): ?array
+    {
+        $usage = $body['usage'] ?? null;
+        if (!is_array($usage) || !isset($usage['input_tokens'], $usage['output_tokens'])) {
+            return null;
+        }
+
+        $inputTokens = max(0, (int) $usage['input_tokens']);
+        $outputTokens = max(0, (int) $usage['output_tokens']);
+        $cachedTokens = min($inputTokens, max(0, (int) ($usage['input_tokens_details']['cached_tokens'] ?? 0)));
+        $cost = null;
+        $costSource = '';
+
+        if ($provider === 'grok' && isset($usage['cost_in_usd_ticks']) && is_numeric($usage['cost_in_usd_ticks'])) {
+            $cost = (float) $usage['cost_in_usd_ticks'] / 10000000000;
+            $costSource = 'provider';
+        } elseif ($provider === 'openai' && $model === 'gpt-4.1-mini') {
+            $uncachedTokens = $inputTokens - $cachedTokens;
+            $cost = ($uncachedTokens * 0.40 + $cachedTokens * 0.10 + $outputTokens * 1.60) / 1000000;
+            $costSource = 'token_rates';
+        }
+
+        return [
+            'provider' => $provider,
+            'model' => $model,
+            'input_tokens' => $inputTokens,
+            'output_tokens' => $outputTokens,
+            'total_tokens' => (int) ($usage['total_tokens'] ?? ($inputTokens + $outputTokens)),
+            'cached_input_tokens' => $cachedTokens,
+            'cost_usd' => $cost,
+            'cost_source' => $costSource,
         ];
     }
 

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

@@ -2,7 +2,9 @@
 <?php use Joomla\CMS\HTML\HTMLHelper; ?>
 <?php use Joomla\CMS\Router\Route; ?>
 <?php $provider = (string) ($this->settings['ai_provider'] ?? 'openai'); ?>
-<?php $apiKey = (string) ($this->settings['ai_api_key'] ?? ''); ?>
+<?php $legacyKey = (string) ($this->settings['ai_api_key'] ?? ''); ?>
+<?php $openaiKey = (string) ($this->settings['ai_openai_api_key'] ?? ($provider === 'openai' ? $legacyKey : '')); ?>
+<?php $grokKey = (string) ($this->settings['ai_grok_api_key'] ?? ($provider === 'grok' ? $legacyKey : '')); ?>
 <form action="<?php echo Route::_('index.php?option=com_testquestions&view=ai'); ?>" method="post" name="adminForm" id="adminForm">
     <div class="card" style="max-width: 900px;">
         <div class="card-body">
@@ -14,13 +16,23 @@
                 </select>
             </div>
             <div class="mb-3">
-                <label for="ai-api-key" class="form-label"><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_AI_API_KEY'); ?></label>
+                <label for="ai-openai-api-key" class="form-label"><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_AI_OPENAI_KEY'); ?></label>
                 <div class="input-group">
-                    <input type="password" id="ai-api-key" name="ai_api_key" value="<?php echo htmlspecialchars($apiKey, ENT_QUOTES, 'UTF-8'); ?>" class="form-control" size="120" maxlength="4096" autocomplete="new-password">
+                    <input type="password" id="ai-openai-api-key" name="ai_openai_api_key" value="<?php echo htmlspecialchars($openaiKey, ENT_QUOTES, 'UTF-8'); ?>" class="form-control" size="120" maxlength="4096" autocomplete="new-password">
-                    <button type="button" class="btn btn-outline-secondary" id="ai-key-toggle">Pokaż</button>
+                    <button type="button" class="btn btn-outline-secondary" data-ai-key-toggle="ai-openai-api-key">Pokaż</button>
                 </div>
                 <small class="form-text text-muted">
-                    <?php echo $apiKey !== '' ? 'Zapisany klucz: ' . mb_strlen($apiKey) . ' znaków. Pozostaw pole bez zmian, aby zachować klucz.' : 'Nie zapisano jeszcze klucza API.'; ?>
+                    <?php echo $openaiKey !== '' ? 'Zapisany klucz: ' . mb_strlen($openaiKey) . ' znaków. Pozostaw pole bez zmian, aby go zachować.' : 'Nie zapisano klucza OpenAI.'; ?>
+                </small>
+            </div>
+            <div class="mb-3">
+                <label for="ai-grok-api-key" class="form-label"><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_AI_GROK_KEY'); ?></label>
+                <div class="input-group">
+                    <input type="password" id="ai-grok-api-key" name="ai_grok_api_key" value="<?php echo htmlspecialchars($grokKey, ENT_QUOTES, 'UTF-8'); ?>" class="form-control" size="120" maxlength="4096" autocomplete="new-password">
+                    <button type="button" class="btn btn-outline-secondary" data-ai-key-toggle="ai-grok-api-key">Pokaż</button>
+                </div>
+                <small class="form-text text-muted">
+                    <?php echo $grokKey !== '' ? 'Zapisany klucz: ' . mb_strlen($grokKey) . ' znaków. Pozostaw pole bez zmian, aby go zachować.' : 'Nie zapisano klucza Grok.'; ?>
                 </small>
             </div>
             <button type="submit" class="btn btn-primary" onclick="this.form.task.value='ai.save';">
@@ -35,10 +47,12 @@
     <?php echo HTMLHelper::_('form.token'); ?>
 </form>
 <script>
-document.getElementById('ai-key-toggle')?.addEventListener('click', function () {
+document.querySelectorAll('[data-ai-key-toggle]').forEach(function (button) {
-    const input = document.getElementById('ai-api-key');
+    button.addEventListener('click', function () {
+        const input = document.getElementById(this.dataset.aiKeyToggle);
         const visible = input.type === 'text';
         input.type = visible ? 'password' : 'text';
         this.textContent = visible ? 'Pokaż' : 'Ukryj';
     });
+});
 </script>

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

@@ -35,6 +35,25 @@
             <button type="submit" class="btn btn-primary" formaction="<?php echo Route::_('index.php?option=com_testquestions&task=result.aiAll&id=' . (int) $this->item->id); ?>" onclick="this.form.task.value='result.aiAll';">
                 <?php echo \Joomla\CMS\Language\Text::sprintf('COM_TESTQUESTIONS_AI_EVALUATE_ALL', $pendingAiCount); ?>
             </button>
+            <?php
+            $usageTotals = ['input_tokens' => 0, 'output_tokens' => 0, 'total_tokens' => 0, 'cost_usd' => 0.0, 'providers' => []];
+            foreach ($this->item->answers as $savedAnswer) {
+                $usage = $savedAnswer['ai_usage'] ?? null;
+                if (!is_array($usage)) continue;
+                $usageTotals['input_tokens'] += (int) ($usage['input_tokens'] ?? 0);
+                $usageTotals['output_tokens'] += (int) ($usage['output_tokens'] ?? 0);
+                $usageTotals['total_tokens'] += (int) ($usage['total_tokens'] ?? 0);
+                if (is_numeric($usage['cost_usd'] ?? null)) $usageTotals['cost_usd'] += (float) $usage['cost_usd'];
+                if (!empty($usage['provider'])) $usageTotals['providers'][(string) $usage['provider']] = true;
+            }
+            ?>
+            <?php if ($usageTotals['total_tokens'] > 0) : ?>
+                <span class="badge text-bg-light border ms-2" title="Suma dotychczasowych ocen AI">
+                    ✦ <?php echo implode(' + ', array_map('htmlspecialchars', array_keys($usageTotals['providers']))); ?>:
+                    <?php echo number_format($usageTotals['total_tokens'], 0, ',', ' '); ?> tokenów,
+                    <?php echo number_format($usageTotals['cost_usd'], 8, ',', ' '); ?> USD
+                </span>
+            <?php endif; ?>
         </div>
     <?php endif; ?>
     <h2><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_RESULT_ANSWERS'); ?></h2>
@@ -55,11 +74,23 @@
                         <button type="submit" name="ai_question_id" value="<?php echo (int) $questionId; ?>" onclick="this.form.task.value='result.ai';" formaction="<?php echo Route::_('index.php?option=com_testquestions&task=result.ai&id=' . (int) $this->item->id); ?>" class="btn btn-outline-primary">
                             <?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_AI_EVALUATE'); ?>
                         </button>
+                        <?php if (!empty($answer['ai_usage']) && is_array($answer['ai_usage'])) : ?>
+                            <?php $usage = $answer['ai_usage']; ?>
+                            <?php $usageProvider = (string) ($usage['provider'] ?? ''); ?>
+                            <span class="badge text-bg-light border ms-2" title="<?php echo $usageProvider === 'grok' ? 'Koszt zwrócony przez dostawcę' : 'Koszt obliczony z faktycznie wykorzystanych tokenów i stawek modelu'; ?>">
+                                <?php echo $usageProvider === 'grok' ? '✦ Grok' : '◉ OpenAI'; ?> ·
+                                <?php echo number_format((int) ($usage['input_tokens'] ?? 0), 0, ',', ' '); ?> in /
+                                <?php echo number_format((int) ($usage['output_tokens'] ?? 0), 0, ',', ' '); ?> out ·
+                                <?php echo is_numeric($usage['cost_usd'] ?? null) ? number_format((float) $usage['cost_usd'], 8, ',', ' ') . ' USD' : 'koszt niedostępny'; ?>
+                                <?php echo ($usage['cost_source'] ?? '') === 'token_rates' ? ' (wyliczony)' : ''; ?>
+                            </span>
+                        <?php endif; ?>
                     </div>
                     <?php if (!empty($answer['ai_feedback'])) : ?>
                         <div class="alert alert-info mt-3"><strong><?php echo \Joomla\CMS\Language\Text::_('COM_TESTQUESTIONS_AI_RESULT'); ?>:</strong><br><?php echo nl2br(htmlspecialchars((string) $answer['ai_feedback'], ENT_QUOTES, 'UTF-8')); ?></div>
                     <?php endif; ?>
                 <?php endif; ?>
+                <?php if ($question->question_type === 'open') : ?>
                     <div class="row mt-3">
                         <div class="col-md-3">
                             <label for="awarded-points-<?php echo (int) $questionId; ?>" class="form-label"><?php echo \Joomla\CMS\Language\Text::sprintf('COM_TESTQUESTIONS_RESULT_AWARDED_POINTS', (int) ($question->points ?? 0)); ?></label>
@@ -71,6 +102,7 @@
                         </div>
                     </div>
                 <?php endif; ?>
+            <?php endif; ?>
         </article>
     <?php endforeach; ?>
     <input type="hidden" name="task" value="result.save">

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>1.43.1</version>
+    <version>1.43.4</version>
     <description>COM_TESTQUESTIONS_DESCRIPTION</description>
     <element>com_testquestions</element>
     <namespace path="src">Komponent\Component\Testquestions</namespace>