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| 1 | <?php |
| 2 | |
| 3 | namespace BuyerKiosk\DigitalSign\Models; |
| 4 | |
| 5 | /** |
| 6 | * SlideTag Model |
| 7 | * |
| 8 | * Represents a tag associated with a digital signage slide. |
| 9 | * Tags are used for categorization and filtering in the event management system. |
| 10 | * |
| 11 | * Schema (per SDD lines 626-655): |
| 12 | * - id: INT UNSIGNED AUTO_INCREMENT PRIMARY KEY |
| 13 | * - slideId: INT UNSIGNED NOT NULL (FK to respective slides table) |
| 14 | * - tag: VARCHAR(50) NOT NULL |
| 15 | * - created_at: TIMESTAMP DEFAULT CURRENT_TIMESTAMP |
| 16 | * |
| 17 | * @package BuyerKiosk\DigitalSign\Models |
| 18 | */ |
| 19 | class SlideTag |
| 20 | { |
| 21 | /** |
| 22 | * Maximum allowed length for tag text |
| 23 | */ |
| 24 | private const MAX_TAG_LENGTH = 50; |
| 25 | |
| 26 | /** |
| 27 | * @var int|null Primary key ID |
| 28 | */ |
| 29 | private ?int $id = null; |
| 30 | |
| 31 | /** |
| 32 | * @var int|null ID of the associated slide |
| 33 | */ |
| 34 | private ?int $slideId = null; |
| 35 | |
| 36 | /** |
| 37 | * @var string|null Tag text (original case preserved) |
| 38 | */ |
| 39 | private ?string $tag = null; |
| 40 | |
| 41 | /** |
| 42 | * @var string|null Creation timestamp |
| 43 | */ |
| 44 | private ?string $createdAt = null; |
| 45 | |
| 46 | /** |
| 47 | * Create a new SlideTag instance |
| 48 | */ |
| 49 | public function __construct() |
| 50 | { |
| 51 | // Properties initialized to null via class property defaults |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Create a SlideTag from a database row |
| 56 | * |
| 57 | * @param array $row Database row with keys: id, slideId, tag, created_at |
| 58 | * @return SlideTag |
| 59 | */ |
| 60 | public static function fromRow(array $row): SlideTag |
| 61 | { |
| 62 | $slideTag = new self(); |
| 63 | |
| 64 | if (isset($row['id'])) { |
| 65 | $slideTag->id = (int) $row['id']; |
| 66 | } |
| 67 | |
| 68 | if (isset($row['slideId'])) { |
| 69 | $slideTag->slideId = (int) $row['slideId']; |
| 70 | } |
| 71 | |
| 72 | if (isset($row['tag'])) { |
| 73 | // Direct assignment without validation since this comes from DB |
| 74 | $slideTag->tag = $row['tag']; |
| 75 | } |
| 76 | |
| 77 | if (isset($row['created_at'])) { |
| 78 | $slideTag->createdAt = $row['created_at']; |
| 79 | } |
| 80 | |
| 81 | return $slideTag; |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Get the tag ID |
| 86 | * |
| 87 | * @return int|null |
| 88 | */ |
| 89 | public function getId(): ?int |
| 90 | { |
| 91 | return $this->id; |
| 92 | } |
| 93 | |
| 94 | /** |
| 95 | * Get the associated slide ID |
| 96 | * |
| 97 | * @return int|null |
| 98 | */ |
| 99 | public function getSlideId(): ?int |
| 100 | { |
| 101 | return $this->slideId; |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Get the tag text (original case preserved) |
| 106 | * |
| 107 | * @return string|null |
| 108 | */ |
| 109 | public function getTag(): ?string |
| 110 | { |
| 111 | return $this->tag; |
| 112 | } |
| 113 | |
| 114 | /** |
| 115 | * Get the creation timestamp |
| 116 | * |
| 117 | * @return string|null |
| 118 | */ |
| 119 | public function getCreatedAt(): ?string |
| 120 | { |
| 121 | return $this->createdAt; |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * Set the tag text with validation |
| 126 | * |
| 127 | * Validation rules: |
| 128 | * - Tag is trimmed before validation and storage |
| 129 | * - Tag cannot be empty or whitespace-only |
| 130 | * - Tag cannot exceed 50 characters |
| 131 | * |
| 132 | * @param string $tag The tag text to set |
| 133 | * @throws \InvalidArgumentException If tag is empty or exceeds 50 characters |
| 134 | */ |
| 135 | public function setTag(string $tag): void |
| 136 | { |
| 137 | // Trim whitespace before validation |
| 138 | $trimmedTag = trim($tag); |
| 139 | |
| 140 | // Validate: cannot be empty or whitespace-only |
| 141 | if ($trimmedTag === '') { |
| 142 | throw new \InvalidArgumentException('Tag cannot be empty'); |
| 143 | } |
| 144 | |
| 145 | // Validate: cannot exceed maximum length |
| 146 | if (strlen($trimmedTag) > self::MAX_TAG_LENGTH) { |
| 147 | throw new \InvalidArgumentException('Tag cannot exceed 50 characters'); |
| 148 | } |
| 149 | |
| 150 | $this->tag = $trimmedTag; |
| 151 | } |
| 152 | |
| 153 | /** |
| 154 | * Set the slide ID |
| 155 | * |
| 156 | * @param int $slideId The slide ID to associate with this tag |
| 157 | */ |
| 158 | public function setSlideId(int $slideId): void |
| 159 | { |
| 160 | $this->slideId = $slideId; |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Get the normalized (lowercase) version of the tag for comparison |
| 165 | * |
| 166 | * Tags are stored with original case preserved, but comparisons |
| 167 | * for uniqueness should be case-insensitive. |
| 168 | * |
| 169 | * @return string Lowercase version of the tag |
| 170 | */ |
| 171 | public function getNormalizedTag(): string |
| 172 | { |
| 173 | return strtolower($this->tag ?? ''); |
| 174 | } |
| 175 | |
| 176 | /** |
| 177 | * Serialize the tag for API responses |
| 178 | * |
| 179 | * @return array{id: int|null, slideId: int|null, tag: string|null, createdAt: string|null} |
| 180 | */ |
| 181 | public function toArray(): array |
| 182 | { |
| 183 | return [ |
| 184 | 'id' => $this->id, |
| 185 | 'slideId' => $this->slideId, |
| 186 | 'tag' => $this->tag, |
| 187 | 'createdAt' => $this->createdAt, |
| 188 | ]; |
| 189 | } |
| 190 | } |