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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Core\ModuleBuilder\Application\Service; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use App\Core\ModuleBuilder\Domain\Exception\ModuleBuilderException; |
| 12 | use App\Core\ModuleBuilder\Domain\Model\ModuleDefinitionDto; |
| 13 | use App\Core\ModuleBuilder\Domain\Model\ModuleFieldDto; |
| 14 | use PDO; |
| 15 | |
| 16 | /** |
| 17 | * Manages physical SQL database table creation and schema modifications (DDL). |
| 18 | * Compatible with MySQL, MariaDB, and SQLite (for unit tests). |
| 19 | * |
| 20 | * @package App\Core\ModuleBuilder\Application\Service |
| 21 | */ |
| 22 | final class PhysicalTableManager |
| 23 | { |
| 24 | /** |
| 25 | * @param PDO $pdo Active database connection. |
| 26 | * @param string $tablePrefix Optional table prefix for modules. |
| 27 | */ |
| 28 | public function __construct( |
| 29 | private readonly PDO $pdo, |
| 30 | private readonly string $tablePrefix = '' |
| 31 | ) { |
| 32 | } |
| 33 | |
| 34 | public function resolveFullTableName(string $tableName): string |
| 35 | { |
| 36 | return $this->tablePrefix . $tableName; |
| 37 | } |
| 38 | |
| 39 | public function tableExists(string $tableName): bool |
| 40 | { |
| 41 | $resolved = $this->resolveFullTableName($tableName); |
| 42 | $columns = $this->getExistingColumnNames($resolved); |
| 43 | if (!empty($columns)) { |
| 44 | return true; |
| 45 | } |
| 46 | |
| 47 | return !empty($this->getExistingColumnNames($tableName)); |
| 48 | } |
| 49 | |
| 50 | public function hasColumn(string $tableName, string $columnName): bool |
| 51 | { |
| 52 | $resolved = $this->resolveFullTableName($tableName); |
| 53 | $columns = $this->getExistingColumnNames($resolved); |
| 54 | if (in_array(strtolower($columnName), $columns, true)) { |
| 55 | return true; |
| 56 | } |
| 57 | |
| 58 | $plain = $this->getExistingColumnNames($tableName); |
| 59 | return in_array(strtolower($columnName), $plain, true); |
| 60 | } |
| 61 | |
| 62 | /** |
| 63 | * @param string $tableName |
| 64 | * @param list<ModuleFieldDto> $fields |
| 65 | */ |
| 66 | public function createTableIfNotExists(string $tableName, array $fields = []): string |
| 67 | { |
| 68 | $fullName = $this->resolveFullTableName($tableName); |
| 69 | $dto = new ModuleDefinitionDto( |
| 70 | basicInfo: new \App\Core\ModuleBuilder\Domain\Model\ModuleBasicInfoDto( |
| 71 | name: $tableName, |
| 72 | label: ucfirst($tableName), |
| 73 | tableName: $fullName |
| 74 | ), |
| 75 | fields: $fields |
| 76 | ); |
| 77 | |
| 78 | return $this->createTable($dto); |
| 79 | } |
| 80 | |
| 81 | /** |
| 82 | * @param string $tableName |
| 83 | * @param list<ModuleFieldDto> $fields |
| 84 | * @return list<string> |
| 85 | */ |
| 86 | public function ensureColumnsExist(string $tableName, array $fields): array |
| 87 | { |
| 88 | $fullName = $this->resolveFullTableName($tableName); |
| 89 | $dto = new ModuleDefinitionDto( |
| 90 | basicInfo: new \App\Core\ModuleBuilder\Domain\Model\ModuleBasicInfoDto( |
| 91 | name: $tableName, |
| 92 | label: ucfirst($tableName), |
| 93 | tableName: $fullName |
| 94 | ), |
| 95 | fields: $fields |
| 96 | ); |
| 97 | |
| 98 | return $this->syncTableColumns($dto); |
| 99 | } |
| 100 | |
| 101 | /** |
| 102 | * Drops physical database table if it exists (used during rollback on creation error). |
| 103 | * |
| 104 | * @param string $tableName Table name to drop. |
| 105 | */ |
| 106 | public function dropTableIfExists(string $tableName): void |
| 107 | { |
| 108 | if ($tableName === '') { |
| 109 | return; |
| 110 | } |
| 111 | |
| 112 | $driver = (string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME); |
| 113 | $isSqlite = $driver === 'sqlite'; |
| 114 | |
| 115 | $sql = sprintf( |
| 116 | 'DROP TABLE IF EXISTS %s', |
| 117 | $isSqlite ? "\"{$tableName}\"" : "`{$tableName}`" |
| 118 | ); |
| 119 | |
| 120 | $this->pdo->exec($sql); |
| 121 | } |
| 122 | |
| 123 | /** |
| 124 | * Creates physical SQL table for a new module if it does not already exist. |
| 125 | * |
| 126 | * @param ModuleDefinitionDto $definition |
| 127 | * @return string Executed DDL statement. |
| 128 | */ |
| 129 | public function createTable(ModuleDefinitionDto $definition): string |
| 130 | { |
| 131 | $tableName = $definition->basicInfo->tableName; |
| 132 | if ($tableName === '') { |
| 133 | throw new ModuleBuilderException('Cannot create table: table_name is empty.'); |
| 134 | } |
| 135 | |
| 136 | $driver = (string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME); |
| 137 | $isSqlite = $driver === 'sqlite'; |
| 138 | |
| 139 | $columnDefs = []; |
| 140 | if ($isSqlite) { |
| 141 | $columnDefs[] = 'id INTEGER PRIMARY KEY AUTOINCREMENT'; |
| 142 | $columnDefs[] = 'created_at DATETIME NOT NULL'; |
| 143 | $columnDefs[] = 'updated_at DATETIME NOT NULL'; |
| 144 | $columnDefs[] = 'created_by INTEGER NOT NULL DEFAULT 1'; |
| 145 | $columnDefs[] = 'owner INTEGER NOT NULL DEFAULT 1'; |
| 146 | $columnDefs[] = 'co_owners TEXT NULL'; |
| 147 | $columnDefs[] = 'special_access INTEGER NOT NULL DEFAULT 1'; |
| 148 | } else { |
| 149 | $columnDefs[] = '`id` INT UNSIGNED NOT NULL AUTO_INCREMENT'; |
| 150 | $columnDefs[] = '`created_at` DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6)'; |
| 151 | $columnDefs[] = '`updated_at` DATETIME(6) NOT NULL DEFAULT CURRENT_TIMESTAMP(6) ' . |
| 152 | 'ON UPDATE CURRENT_TIMESTAMP(6)'; |
| 153 | $columnDefs[] = '`created_by` INT UNSIGNED NOT NULL DEFAULT 1'; |
| 154 | $columnDefs[] = '`owner` INT UNSIGNED NOT NULL DEFAULT 1'; |
| 155 | $columnDefs[] = '`co_owners` JSON NULL DEFAULT NULL'; |
| 156 | $columnDefs[] = '`special_access` TINYINT UNSIGNED NOT NULL DEFAULT 1'; |
| 157 | } |
| 158 | |
| 159 | // Standard system columns not to be duplicated |
| 160 | $systemCols = ['id', 'created_at', 'updated_at', 'created_by', 'owner', 'co_owners', 'special_access']; |
| 161 | |
| 162 | foreach ($definition->fields as $field) { |
| 163 | if (in_array(strtolower($field->fieldKey), $systemCols, true)) { |
| 164 | continue; |
| 165 | } |
| 166 | $columnDefs[] = $this->buildColumnDefinition($field, $isSqlite); |
| 167 | } |
| 168 | |
| 169 | if (!$isSqlite) { |
| 170 | $columnDefs[] = 'PRIMARY KEY (`id`)'; |
| 171 | $columnDefs[] = 'KEY `idx_special_access` (`special_access`)'; |
| 172 | $columnDefs[] = 'KEY `idx_owner` (`owner`)'; |
| 173 | } |
| 174 | |
| 175 | $ddl = sprintf( |
| 176 | 'CREATE TABLE IF NOT EXISTS %s (%s)%s', |
| 177 | $isSqlite ? "\"{$tableName}\"" : "`{$tableName}`", |
| 178 | implode(', ', $columnDefs), |
| 179 | $isSqlite ? '' : ' ENGINE=InnoDB DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_unicode_ci' |
| 180 | ); |
| 181 | |
| 182 | $this->pdo->exec($ddl); |
| 183 | |
| 184 | return $ddl; |
| 185 | } |
| 186 | |
| 187 | /** |
| 188 | * Checks existing physical columns and applies delta ALTER TABLE statements for new fields. |
| 189 | * |
| 190 | * @param ModuleDefinitionDto $definition |
| 191 | * @return list<string> List of executed ALTER TABLE statements. |
| 192 | */ |
| 193 | public function syncTableColumns(ModuleDefinitionDto $definition): array |
| 194 | { |
| 195 | $tableName = $definition->basicInfo->tableName; |
| 196 | if ($tableName === '') { |
| 197 | return []; |
| 198 | } |
| 199 | |
| 200 | $existingColumns = $this->getExistingColumnNames($tableName); |
| 201 | $driver = (string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME); |
| 202 | $isSqlite = $driver === 'sqlite'; |
| 203 | |
| 204 | $executedSqls = []; |
| 205 | |
| 206 | foreach ($definition->fields as $field) { |
| 207 | $colName = strtolower($field->fieldKey); |
| 208 | if (in_array($colName, $existingColumns, true)) { |
| 209 | continue; |
| 210 | } |
| 211 | |
| 212 | $colDef = $this->buildColumnDefinition($field, $isSqlite); |
| 213 | $sql = sprintf( |
| 214 | 'ALTER TABLE %s ADD COLUMN %s', |
| 215 | $isSqlite ? "\"{$tableName}\"" : "`{$tableName}`", |
| 216 | $colDef |
| 217 | ); |
| 218 | |
| 219 | $this->pdo->exec($sql); |
| 220 | $executedSqls[] = $sql; |
| 221 | $existingColumns[] = $colName; |
| 222 | } |
| 223 | |
| 224 | return $executedSqls; |
| 225 | } |
| 226 | |
| 227 | /** |
| 228 | * Returns list of lowercase existing column names from physical table. |
| 229 | * |
| 230 | * @param string $tableName |
| 231 | * @return list<string> |
| 232 | */ |
| 233 | public function getExistingColumnNames(string $tableName): array |
| 234 | { |
| 235 | $driver = (string) $this->pdo->getAttribute(PDO::ATTR_DRIVER_NAME); |
| 236 | $columns = []; |
| 237 | |
| 238 | if ($driver === 'sqlite') { |
| 239 | $stmt = $this->pdo->query("PRAGMA table_info(\"{$tableName}\")"); |
| 240 | if ($stmt !== false) { |
| 241 | while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { |
| 242 | $columns[] = strtolower((string) $row['name']); |
| 243 | } |
| 244 | } |
| 245 | } else { |
| 246 | $stmt = $this->pdo->query("SHOW COLUMNS FROM `{$tableName}`"); |
| 247 | if ($stmt !== false) { |
| 248 | while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) { |
| 249 | $columns[] = strtolower((string) $row['Field']); |
| 250 | } |
| 251 | } |
| 252 | } |
| 253 | |
| 254 | return $columns; |
| 255 | } |
| 256 | |
| 257 | /** |
| 258 | * Formats physical column definition string. |
| 259 | */ |
| 260 | private function buildColumnDefinition(ModuleFieldDto $field, bool $isSqlite): string |
| 261 | { |
| 262 | $name = $field->fieldKey; |
| 263 | $sqlType = $this->resolveSqlType($field->sqlType, $isSqlite); |
| 264 | |
| 265 | $nullClause = 'NULL'; |
| 266 | $defaultClause = ''; |
| 267 | if ($field->defaultValue !== null && $field->defaultValue !== '') { |
| 268 | $defaultClause = ' DEFAULT ' . $this->pdo->quote($field->defaultValue); |
| 269 | } |
| 270 | |
| 271 | if ($isSqlite) { |
| 272 | return sprintf('"%s" %s %s%s', $name, $sqlType, $nullClause, $defaultClause); |
| 273 | } |
| 274 | |
| 275 | return sprintf('`%s` %s %s%s', $name, $sqlType, $nullClause, $defaultClause); |
| 276 | } |
| 277 | |
| 278 | /** |
| 279 | * Maps MySQL data types to SQLite equivalents when running under SQLite. |
| 280 | */ |
| 281 | private function resolveSqlType(string $sqlType, bool $isSqlite): string |
| 282 | { |
| 283 | if (!$isSqlite) { |
| 284 | return $sqlType; |
| 285 | } |
| 286 | |
| 287 | return $this->mapToSqliteType(strtoupper($sqlType)); |
| 288 | } |
| 289 | |
| 290 | /** |
| 291 | * Maps uppercase MySQL type string to SQLite affinity. |
| 292 | */ |
| 293 | private function mapToSqliteType(string $upper): string |
| 294 | { |
| 295 | if (str_contains($upper, 'INT')) { |
| 296 | return 'INTEGER'; |
| 297 | } |
| 298 | if (str_contains($upper, 'DECIMAL') || str_contains($upper, 'FLOAT') || str_contains($upper, 'DOUBLE')) { |
| 299 | return 'NUMERIC'; |
| 300 | } |
| 301 | |
| 302 | return (str_contains($upper, 'DATE') || str_contains($upper, 'TIME')) ? 'DATETIME' : 'TEXT'; |
| 303 | } |
| 304 | } |