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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | namespace Celemas\Quma; |
| 6 | |
| 7 | use Closure; |
| 8 | use PDO; |
| 9 | use RuntimeException; |
| 10 | use Throwable; |
| 11 | |
| 12 | /** @api */ |
| 13 | class Database |
| 14 | { |
| 15 | public readonly bool $debug; |
| 16 | protected ?PDO $pdo = null; |
| 17 | protected ?int $connectedAt = null; |
| 18 | protected ?int $lastUsedAt = null; |
| 19 | /** @var array<string, LoadedScript> */ |
| 20 | protected array $compiledScripts = []; |
| 21 | |
| 22 | public function __construct( |
| 23 | protected readonly Connection $conn, |
| 24 | ) { |
| 25 | $this->debug = Debug::enabled(); |
| 26 | } |
| 27 | |
| 28 | public function __get(string $key): Folder |
| 29 | { |
| 30 | Util::assertPathSegment($key, 'SQL folder name'); |
| 31 | |
| 32 | $exists = false; |
| 33 | |
| 34 | foreach ($this->conn->config->sql as $path) { |
| 35 | $exists = is_dir($path . DIRECTORY_SEPARATOR . $key); |
| 36 | |
| 37 | if ($exists) { |
| 38 | break; |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | if (!$exists) { |
| 43 | throw new RuntimeException('The SQL folder does not exist: ' . $key); |
| 44 | } |
| 45 | |
| 46 | return new Folder($this, $key); |
| 47 | } |
| 48 | |
| 49 | public function getFetchMode(): int |
| 50 | { |
| 51 | return $this->conn->config->pdo->fetchMode; |
| 52 | } |
| 53 | |
| 54 | public function connected(): bool |
| 55 | { |
| 56 | return $this->pdo !== null; |
| 57 | } |
| 58 | |
| 59 | public function getPdoDriver(): string |
| 60 | { |
| 61 | return $this->conn->config->driver; |
| 62 | } |
| 63 | |
| 64 | public function getSqlDirs(): array |
| 65 | { |
| 66 | return $this->conn->config->sql; |
| 67 | } |
| 68 | |
| 69 | public function loadScript(string $path, bool $isTemplate): LoadedScript |
| 70 | { |
| 71 | $key = ($isTemplate ? 'tpql:' : 'sql:') . $path; |
| 72 | |
| 73 | if (array_key_exists($key, $this->compiledScripts)) { |
| 74 | return $this->compiledScripts[$key]; |
| 75 | } |
| 76 | |
| 77 | if ($isTemplate) { |
| 78 | if (!is_readable($path)) { |
| 79 | throw new RuntimeException('Could not read SQL script: ' . $path); |
| 80 | } |
| 81 | |
| 82 | $script = new LoadedScript($path, $path, compile: $this->placeholderCompiler()); |
| 83 | $this->compiledScripts[$key] = $script; |
| 84 | |
| 85 | return $script; |
| 86 | } |
| 87 | |
| 88 | $source = file_get_contents($path); |
| 89 | |
| 90 | if ($source === false) { |
| 91 | throw new RuntimeException('Could not read SQL script: ' . $path); |
| 92 | } |
| 93 | |
| 94 | $compiled = $this->compilePlaceholders($source, $path); |
| 95 | $script = new LoadedScript($compiled, $path); |
| 96 | $this->compiledScripts[$key] = $script; |
| 97 | |
| 98 | return $script; |
| 99 | } |
| 100 | |
| 101 | /** @return Closure(string, string): string */ |
| 102 | private function placeholderCompiler(): Closure |
| 103 | { |
| 104 | return $this->compilePlaceholders(...); |
| 105 | } |
| 106 | |
| 107 | private function compilePlaceholders(string $source, string $path): string |
| 108 | { |
| 109 | return $this->conn->config->placeholders?->compileSql($source, $path) ?? $source; |
| 110 | } |
| 111 | |
| 112 | public function connect(): static |
| 113 | { |
| 114 | if ($this->pdo !== null) { |
| 115 | return $this; |
| 116 | } |
| 117 | |
| 118 | $conn = $this->conn; |
| 119 | |
| 120 | $pdo = new PDO( |
| 121 | $conn->config->dsn, |
| 122 | $conn->config->pdo->username, |
| 123 | $conn->config->pdo->password, |
| 124 | $conn->config->pdo->effectiveOptions(), |
| 125 | ); |
| 126 | |
| 127 | $this->pdo = $pdo; |
| 128 | $this->markConnected(); |
| 129 | |
| 130 | return $this; |
| 131 | } |
| 132 | |
| 133 | public function disconnect(): void |
| 134 | { |
| 135 | if ($this->pdo !== null) { |
| 136 | try { |
| 137 | if ($this->pdo->inTransaction()) { |
| 138 | $this->pdo->rollBack(); |
| 139 | } |
| 140 | } catch (Throwable) { |
| 141 | // @mago-expect lint:no-empty-catch-clause Rollback failures are intentionally ignored during teardown. |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | $this->pdo = null; |
| 146 | $this->connectedAt = null; |
| 147 | $this->lastUsedAt = null; |
| 148 | } |
| 149 | |
| 150 | public function reconnect(): static |
| 151 | { |
| 152 | $this->disconnect(); |
| 153 | |
| 154 | return $this->connect(); |
| 155 | } |
| 156 | |
| 157 | public function ping(): bool |
| 158 | { |
| 159 | if ($this->pdo === null) { |
| 160 | return false; |
| 161 | } |
| 162 | |
| 163 | try { |
| 164 | $stmt = $this->pdo->query('SELECT 1'); |
| 165 | |
| 166 | if ($stmt === false) { |
| 167 | return false; |
| 168 | } |
| 169 | |
| 170 | $this->touchConnection(); |
| 171 | |
| 172 | return $stmt->fetchColumn() !== false; |
| 173 | } catch (Throwable) { |
| 174 | return false; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | public function reset(): void |
| 179 | { |
| 180 | if ($this->pdo === null) { |
| 181 | return; |
| 182 | } |
| 183 | |
| 184 | if ($this->pdo->inTransaction()) { |
| 185 | $this->pdo->rollBack(); |
| 186 | } |
| 187 | |
| 188 | $this->touchConnection(); |
| 189 | } |
| 190 | |
| 191 | public function quote(string $value): string |
| 192 | { |
| 193 | return $this->requirePdo()->quote($value); |
| 194 | } |
| 195 | |
| 196 | public function begin(): bool |
| 197 | { |
| 198 | return $this->requirePdo()->beginTransaction(); |
| 199 | } |
| 200 | |
| 201 | public function commit(): bool |
| 202 | { |
| 203 | return $this->requirePdo()->commit(); |
| 204 | } |
| 205 | |
| 206 | public function rollback(): bool |
| 207 | { |
| 208 | return $this->requirePdo()->rollback(); |
| 209 | } |
| 210 | |
| 211 | public function getConn(): PDO |
| 212 | { |
| 213 | return $this->requirePdo(); |
| 214 | } |
| 215 | |
| 216 | protected function requirePdo(): PDO |
| 217 | { |
| 218 | $this->connect(); |
| 219 | |
| 220 | if ($this->pdo !== null) { |
| 221 | $this->touchConnection(); |
| 222 | |
| 223 | return $this->pdo; |
| 224 | } |
| 225 | |
| 226 | throw new RuntimeException('Database connection not initialized'); |
| 227 | } |
| 228 | |
| 229 | protected function markConnected(): void |
| 230 | { |
| 231 | $now = time(); |
| 232 | $this->connectedAt = $now; |
| 233 | $this->lastUsedAt = $now; |
| 234 | } |
| 235 | |
| 236 | protected function touchConnection(): void |
| 237 | { |
| 238 | if ($this->pdo !== null) { |
| 239 | $this->lastUsedAt = time(); |
| 240 | } |
| 241 | } |
| 242 | |
| 243 | public function execute(string $query, mixed ...$args): Query |
| 244 | { |
| 245 | return new Query($this, $query, new Args($args), null); |
| 246 | } |
| 247 | } |