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| 1 | <?php |
| 2 | |
| 3 | namespace BuyerKiosk\Support; |
| 4 | |
| 5 | use \PDO; |
| 6 | use \PDOException; |
| 7 | |
| 8 | /** |
| 9 | * Category - Support category model |
| 10 | * |
| 11 | * Manages support categories with hierarchical structure (parent/child), |
| 12 | * icons, and sorting for the knowledge base system. |
| 13 | */ |
| 14 | class Category |
| 15 | { |
| 16 | /** |
| 17 | * @var int|null Category ID |
| 18 | */ |
| 19 | public $id; |
| 20 | |
| 21 | /** |
| 22 | * @var string Category name |
| 23 | */ |
| 24 | public $name; |
| 25 | |
| 26 | /** |
| 27 | * @var string URL-friendly slug |
| 28 | */ |
| 29 | public $slug; |
| 30 | |
| 31 | /** |
| 32 | * @var string|null Category description |
| 33 | */ |
| 34 | public $description; |
| 35 | |
| 36 | /** |
| 37 | * @var string|null Icon identifier (e.g., "book", "settings", "help") |
| 38 | */ |
| 39 | public $icon; |
| 40 | |
| 41 | /** |
| 42 | * @var int Sort order for display |
| 43 | */ |
| 44 | public $sortOrder; |
| 45 | |
| 46 | /** |
| 47 | * @var int|null Parent category ID (NULL for top-level categories) |
| 48 | */ |
| 49 | public $parentId; |
| 50 | |
| 51 | /** |
| 52 | * @var bool Whether category is active/visible |
| 53 | */ |
| 54 | public $isActive; |
| 55 | |
| 56 | /** |
| 57 | * @var string Created timestamp |
| 58 | */ |
| 59 | public $createdAt; |
| 60 | |
| 61 | /** |
| 62 | * @var string|null Updated timestamp |
| 63 | */ |
| 64 | public $updatedAt; |
| 65 | |
| 66 | /** |
| 67 | * Save category (insert or update) |
| 68 | * |
| 69 | * Uses INSERT or UPDATE based on whether ID is set |
| 70 | * |
| 71 | * @param PDO $db Database connection |
| 72 | * @return bool True if successful |
| 73 | */ |
| 74 | public function save(PDO $db): bool |
| 75 | { |
| 76 | if (!isset($this->name) || !isset($this->slug)) { |
| 77 | error_log("Category::save error: name and slug are required"); |
| 78 | return false; |
| 79 | } |
| 80 | |
| 81 | // Set defaults |
| 82 | if (!isset($this->isActive)) { |
| 83 | $this->isActive = true; |
| 84 | } |
| 85 | if (!isset($this->sortOrder)) { |
| 86 | $this->sortOrder = 0; |
| 87 | } |
| 88 | |
| 89 | try { |
| 90 | if ($this->id) { |
| 91 | // Update existing category |
| 92 | $stmt = $db->prepare(" |
| 93 | UPDATE support_categories |
| 94 | SET name = :name, |
| 95 | slug = :slug, |
| 96 | description = :description, |
| 97 | icon = :icon, |
| 98 | sort_order = :sortOrder, |
| 99 | parent_id = :parentId, |
| 100 | is_active = :isActive |
| 101 | WHERE id = :id |
| 102 | "); |
| 103 | |
| 104 | return $stmt->execute([ |
| 105 | ':id' => $this->id, |
| 106 | ':name' => $this->name, |
| 107 | ':slug' => $this->slug, |
| 108 | ':description' => $this->description, |
| 109 | ':icon' => $this->icon, |
| 110 | ':sortOrder' => $this->sortOrder, |
| 111 | ':parentId' => $this->parentId, |
| 112 | ':isActive' => $this->isActive ? 1 : 0 |
| 113 | ]); |
| 114 | } else { |
| 115 | // Insert new category |
| 116 | $stmt = $db->prepare(" |
| 117 | INSERT INTO support_categories |
| 118 | (name, slug, description, icon, sort_order, parent_id, is_active) |
| 119 | VALUES |
| 120 | (:name, :slug, :description, :icon, :sortOrder, :parentId, :isActive) |
| 121 | "); |
| 122 | |
| 123 | $result = $stmt->execute([ |
| 124 | ':name' => $this->name, |
| 125 | ':slug' => $this->slug, |
| 126 | ':description' => $this->description, |
| 127 | ':icon' => $this->icon, |
| 128 | ':sortOrder' => $this->sortOrder, |
| 129 | ':parentId' => $this->parentId, |
| 130 | ':isActive' => $this->isActive ? 1 : 0 |
| 131 | ]); |
| 132 | |
| 133 | if ($result) { |
| 134 | $this->id = (int) $db->lastInsertId(); |
| 135 | } |
| 136 | |
| 137 | return $result; |
| 138 | } |
| 139 | } catch (PDOException $e) { |
| 140 | error_log("Category::save error: " . $e->getMessage()); |
| 141 | return false; |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | /** |
| 146 | * Update category |
| 147 | * |
| 148 | * @param PDO $db Database connection |
| 149 | * @return bool True if successful |
| 150 | */ |
| 151 | public function update(PDO $db): bool |
| 152 | { |
| 153 | return $this->save($db); |
| 154 | } |
| 155 | |
| 156 | /** |
| 157 | * Delete category |
| 158 | * |
| 159 | * Note: This will fail if there are articles referencing this category |
| 160 | * due to foreign key constraints |
| 161 | * |
| 162 | * @param PDO $db Database connection |
| 163 | * @return bool True if successful |
| 164 | */ |
| 165 | public function delete(PDO $db): bool |
| 166 | { |
| 167 | if (!isset($this->id)) { |
| 168 | error_log("Category::delete error: id is required"); |
| 169 | return false; |
| 170 | } |
| 171 | |
| 172 | try { |
| 173 | $stmt = $db->prepare("DELETE FROM support_categories WHERE id = :id"); |
| 174 | return $stmt->execute([':id' => $this->id]); |
| 175 | } catch (PDOException $e) { |
| 176 | error_log("Category::delete error: " . $e->getMessage()); |
| 177 | return false; |
| 178 | } |
| 179 | } |
| 180 | |
| 181 | /** |
| 182 | * Convert Category to array for API responses |
| 183 | * |
| 184 | * @return array Associative array representation |
| 185 | */ |
| 186 | public function toArray(): array |
| 187 | { |
| 188 | return [ |
| 189 | 'id' => $this->id, |
| 190 | 'name' => $this->name, |
| 191 | 'slug' => $this->slug, |
| 192 | 'description' => $this->description, |
| 193 | 'icon' => $this->icon, |
| 194 | 'sortOrder' => $this->sortOrder, |
| 195 | 'parentId' => $this->parentId, |
| 196 | 'isActive' => (bool) $this->isActive, |
| 197 | 'createdAt' => $this->createdAt, |
| 198 | 'updatedAt' => $this->updatedAt |
| 199 | ]; |
| 200 | } |
| 201 | |
| 202 | /** |
| 203 | * Create a Category object from an array |
| 204 | * |
| 205 | * Supports both snake_case (from database) and camelCase (from API) keys |
| 206 | * |
| 207 | * @param array $data Associative array of category data |
| 208 | * @return self |
| 209 | */ |
| 210 | public static function fromArray(array $data): self |
| 211 | { |
| 212 | $category = new self(); |
| 213 | $category->id = isset($data['id']) ? (int) $data['id'] : null; |
| 214 | $category->name = $data['name']; |
| 215 | $category->slug = $data['slug']; |
| 216 | $category->description = $data['description'] ?? null; |
| 217 | $category->icon = $data['icon'] ?? null; |
| 218 | $category->sortOrder = isset($data['sort_order']) ? (int) $data['sort_order'] : (isset($data['sortOrder']) ? (int) $data['sortOrder'] : 0); |
| 219 | $category->parentId = isset($data['parent_id']) ? (int) $data['parent_id'] : (isset($data['parentId']) ? (int) $data['parentId'] : null); |
| 220 | $category->isActive = isset($data['is_active']) ? filter_var($data['is_active'], FILTER_VALIDATE_BOOLEAN) : (isset($data['isActive']) ? filter_var($data['isActive'], FILTER_VALIDATE_BOOLEAN) : true); |
| 221 | $category->createdAt = $data['created_at'] ?? $data['createdAt'] ?? null; |
| 222 | $category->updatedAt = $data['updated_at'] ?? $data['updatedAt'] ?? null; |
| 223 | |
| 224 | return $category; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Get category by ID |
| 229 | * |
| 230 | * @param PDO $db Database connection |
| 231 | * @param int $id Category ID |
| 232 | * @return self|null Category object or null if not found |
| 233 | */ |
| 234 | public static function getById(PDO $db, int $id): ?self |
| 235 | { |
| 236 | try { |
| 237 | $stmt = $db->prepare(" |
| 238 | SELECT * FROM support_categories |
| 239 | WHERE id = :id |
| 240 | "); |
| 241 | $stmt->execute([':id' => $id]); |
| 242 | |
| 243 | $row = $stmt->fetch(PDO::FETCH_ASSOC); |
| 244 | if (!$row) { |
| 245 | return null; |
| 246 | } |
| 247 | |
| 248 | return self::fromArray($row); |
| 249 | } catch (PDOException $e) { |
| 250 | error_log("Category::getById error: " . $e->getMessage()); |
| 251 | return null; |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | /** |
| 256 | * Get all categories |
| 257 | * |
| 258 | * @param PDO $db Database connection |
| 259 | * @param bool $activeOnly Whether to return only active categories |
| 260 | * @return array Array of Category objects |
| 261 | */ |
| 262 | public static function getAll(PDO $db, bool $activeOnly = true): array |
| 263 | { |
| 264 | try { |
| 265 | $sql = "SELECT * FROM support_categories"; |
| 266 | |
| 267 | if ($activeOnly) { |
| 268 | $sql .= " WHERE is_active = 1"; |
| 269 | } |
| 270 | |
| 271 | $sql .= " ORDER BY sort_order ASC, name ASC"; |
| 272 | |
| 273 | $stmt = $db->query($sql); |
| 274 | $rows = $stmt->fetchAll(PDO::FETCH_ASSOC); |
| 275 | |
| 276 | $categories = []; |
| 277 | foreach ($rows as $row) { |
| 278 | $categories[] = self::fromArray($row); |
| 279 | } |
| 280 | |
| 281 | return $categories; |
| 282 | } catch (PDOException $e) { |
| 283 | error_log("Category::getAll error: " . $e->getMessage()); |
| 284 | return []; |
| 285 | } |
| 286 | } |
| 287 | } |