208 lines
10 KiB
PHP
208 lines
10 KiB
PHP
<?php
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session_start();
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require_once __DIR__ . '/includes/translations.php';
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require_once __DIR__ . '/db/config.php';
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require_once __DIR__ . '/ai/LocalAIApi.php';
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// Set language from session or default to English
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$lang = $_SESSION['lang'] ?? 'en';
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// --- Helper Functions (omitted for brevity, same as before) ---
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function translate_to_english($text, $source_lang) { if ($source_lang === 'en') return $text; $prompt = "Translate the following text from '{$source_lang}' to English. Only return the translated text, with no extra commentary:\n\n{$text}"; $response = LocalAIApi::createResponse(['input' => [['role' => 'system', 'content' => 'You are a translation assistant.'],['role' => 'user', 'content' => $prompt]]]); if (!empty($response['success'])) { $decoded = LocalAIApi::decodeJsonFromResponse($response); return $decoded['choices'][0]['message']['content'] ?? $text; } return $text; }
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function translate_from_english($text, $target_lang) { if ($target_lang === 'en') return $text; $prompt = "Translate the following text from English to '{$target_lang}'. Only return the translated text, with no extra commentary:\n\n{$text}"; $response = LocalAIApi::createResponse(['input' => [['role' => 'system', 'content' => 'You are a translation assistant.'],['role' => 'user', 'content' => $prompt]]]); if (!empty($response['success'])) { $decoded = LocalAIApi::decodeJsonFromResponse($response); return $decoded['choices'][0]['message']['content'] ?? $text; } return $text; }
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// --- Main Logic ---
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$result_html = '';
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$error_message = '';
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if ($_SERVER['REQUEST_METHOD'] === 'POST') {
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// --- 0. Subscription & Limit Check ---
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if (isset($_SESSION['user_id'])) {
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$user_id = $_SESSION['user_id'];
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$pdo = db();
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// Fetch user subscription details
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$stmt = $pdo->prepare("SELECT subscription_plan, subscription_expires_at FROM users WHERE id = ?");
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$stmt->execute([$user_id]);
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$user = $stmt->fetch();
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$is_active = $user && $user['subscription_expires_at'] && new DateTime() < new DateTime($user['subscription_expires_at']);
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if (!$is_active) {
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$_SESSION['generation_error'] = t('subscription_expired_error');
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header('Location: pricing.php');
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exit();
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}
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if ($user['subscription_plan'] === 'basic') {
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// Count generations in the last 30 days
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$stmt = $pdo->prepare("SELECT COUNT(*) FROM generations WHERE user_id = ? AND created_at >= DATE_SUB(NOW(), INTERVAL 30 DAY)");
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$stmt->execute([$user_id]);
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$generation_count = $stmt->fetchColumn();
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if ($generation_count >= 150) {
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$_SESSION['generation_error'] = t('generation_limit_exceeded_error');
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header('Location: pricing.php');
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exit();
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}
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}
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} else {
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// If user is not logged in, redirect to login page
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$_SESSION['generation_error'] = t('login_to_generate_error');
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header('Location: login.php');
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exit();
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}
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// --- 1. Collect and Sanitize Inputs ---
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$state = htmlspecialchars($_POST['state'] ?? '');
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$size = htmlspecialchars($_POST['size'] ?? '');
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$material = htmlspecialchars($_POST['material'] ?? '');
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$brand = htmlspecialchars($_POST['brand'] ?? '');
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$length = htmlspecialchars($_POST['length'] ?? '');
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$chest_width = htmlspecialchars($_POST['chest_width'] ?? '');
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$waist_width = htmlspecialchars($_POST['waist_width'] ?? '');
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$hips_width = htmlspecialchars($_POST['hips_width'] ?? '');
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$additional_info = htmlspecialchars($_POST['additional_info'] ?? '');
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// --- 2. Validation ---
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if (empty($state) || empty($size)) {
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$_SESSION['generation_error'] = t('error_required_fields');
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header('Location: index.php#generator');
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exit();
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}
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// --- 3. Translation Pipeline (Input) ---
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$state_en = translate_to_english($state, $lang);
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$size_en = translate_to_english($size, $lang);
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$material_en = translate_to_english($material, $lang);
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$brand_en = translate_to_english($brand, $lang);
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$additional_info_en = translate_to_english($additional_info, $lang);
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// --- 4. Construct AI Prompt ---
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$prompt_parts = [
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"Generate a product listing for an online clothing store. The target audience is women aged 22-60.",
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"The output must be a JSON object with the following keys: 'title', 'short_description', 'description', 'measurements', 'hashtags'.",
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"The tone should be engaging, concise, and SEO-aware, incorporating trending keywords naturally.",
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"Do not add any extra commentary or editorializing. Stick to the facts provided."
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];
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if ($state_en === 'used') {
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$prompt_parts[] = "Condition: Used (perfect condition).";
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} elseif ($state_en === 'visibly_used') {
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$prompt_parts[] = "Condition: Visibly used (may have some signs of use).";
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} else {
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$prompt_parts[] = "Condition: New.";
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}
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$prompt_parts[] = "Size: {$size_en}";
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if (!empty($material_en)) $prompt_parts[] = "Material: {$material_en}";
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if (!empty($brand_en)) $prompt_parts[] = "Brand: {$brand_en}";
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$measurements_parts = [];
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if (!empty($length)) $measurements_parts[] = "Length: {$length} cm";
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if (!empty($chest_width)) $measurements_parts[] = "Chest width: {$chest_width} cm";
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if (!empty($waist_width)) $measurements_parts[] = "Waist width: {$waist_width} cm";
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if (!empty($hips_width)) $measurements_parts[] = "Hips width: {$hips_width} cm";
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if (!empty($measurements_parts)) {
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$prompt_parts[] = "Measurements: " . implode(', ', $measurements_parts);
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}
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if (!empty($additional_info_en)) {
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$prompt_parts[] = "Additional Details: {$additional_info_en}";
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}
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$prompt_parts[] = "Generate the output in English.";
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$prompt = implode("\n", $prompt_parts);
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// --- 4. Call AI API ---
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$ai_response = LocalAIApi::createResponse([
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'input' => [
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['role' => 'system', 'content' => 'You are an expert copywriter for e-commerce fashion brands.'],
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['role' => 'user', 'content' => $prompt],
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],
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'model' => 'gpt-3.5-turbo', // Using a cost-effective model
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]);
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if (!empty($ai_response['success'])) {
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$decoded_response = LocalAIApi::decodeJsonFromResponse($ai_response);
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$generated_text = $decoded_response['choices'][0]['message']['content'] ?? '';
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// Find the JSON part of the response
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$json_start = strpos($generated_text, '{');
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$json_end = strrpos($generated_text, '}');
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if ($json_start !== false && $json_end !== false) {
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$json_str = substr($generated_text, $json_start, $json_end - $json_start + 1);
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$output_data = json_decode($json_str, true);
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if ($output_data && json_last_error() === JSON_ERROR_NONE) {
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// --- 5. Translation Pipeline (Output) ---
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$title = translate_from_english(htmlspecialchars($output_data['title'] ?? ''), $lang);
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$short_desc = translate_from_english(htmlspecialchars($output_data['short_description'] ?? ''), $lang);
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$description = nl2br(translate_from_english(htmlspecialchars($output_data['description'] ?? ''), $lang));
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$measurements = translate_from_english(htmlspecialchars($output_data['measurements'] ?? ''), $lang);
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$hashtags = translate_from_english(htmlspecialchars($output_data['hashtags'] ?? ''), $lang);
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// --- 6. Save to DB if user is logged in ---
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if (isset($_SESSION['user_id'])) {
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try {
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$pdo = db();
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$stmt = $pdo->prepare("INSERT INTO generations (user_id, prompt, description) VALUES (?, ?, ?)");
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$stmt->execute([$_SESSION['user_id'], $prompt, $json_str]);
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} catch (PDOException $e) {
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// Optional: log error to a file
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error_log("DB Error: " . $e->getMessage());
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}
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}
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// --- 7. Format Output ---
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$result_html = "
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<div class='result-container'>
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<h3>" . t('generated_result') . "</h3>
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<div class='result-item'>
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<label>" . t('output_title') . "</label>
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<p id='result-title'>{$title}</p>
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</div>
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<div class='result-item'>
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<label>" . t('output_short_description') . "</label>
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<p id='result-short-desc'>{$short_desc}</p>
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</div>
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<div class='result-item'>
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<label>" . t('output_description') . "</label>
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<p id='result-desc'>{$description}</p>
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</div>
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<div class='result-item'>
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<label>" . t('output_measurements') . "</label>
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<p id='result-measurements'>{$measurements}</p>
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</div>
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<div class='result-item'>
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<label>" . t('output_hashtags') . "</label>
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<p id='result-hashtags'>{$hashtags}</p>
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</div>
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<div class='result-actions'>
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<button class='btn btn-secondary' id='copy-btn'><i class='ph ph-copy'></i> " . t('copy_to_clipboard') . "</button>
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<button class='btn btn-primary' id='approve-btn'><i class='ph ph-check'></i> " . t('approve') . "</button>
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</div>
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</div>
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";
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} else {
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$error_message = t('error_parsing_ai_response');
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}
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} else {
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$error_message = t('error_parsing_ai_response');
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}
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} else {
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$error_message = t('error_calling_ai_api') . ': ' . htmlspecialchars($ai_response['error'] ?? 'Unknown error');
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}
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}
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// Store result in session to display on the main page
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$_SESSION['generation_result'] = $result_html;
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$_SESSION['generation_error'] = $error_message;
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// Redirect back to the main page
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header('Location: index.php#generator');
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exit(); |