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| 1 | <?php |
| 2 | |
| 3 | namespace BO\Zmsdldb; |
| 4 | |
| 5 | abstract class PDOAccess extends AbstractAccess |
| 6 | { |
| 7 | /** |
| 8 | * @SuppressWarnings(PHPMD.LongVariable) |
| 9 | */ |
| 10 | protected $accessorClassName = []; |
| 11 | |
| 12 | protected $accessorNamesPlural = [ |
| 13 | 'Authority' => 'Authorities', |
| 14 | 'Borough' => 'Boroughs', |
| 15 | 'Link' => 'Links', |
| 16 | 'Location' => 'Locations', |
| 17 | 'Office' => 'Offices', |
| 18 | 'Service' => 'Services', |
| 19 | 'Setting' => 'Settings', |
| 20 | 'Topic' => 'Topics' |
| 21 | ]; |
| 22 | |
| 23 | protected $pdo; |
| 24 | |
| 25 | protected $engine = 'SQLite'; |
| 26 | |
| 27 | |
| 28 | public function __construct(array $options) |
| 29 | { |
| 30 | try { |
| 31 | $parts = explode("\\", static::class); |
| 32 | $this->engine = str_replace('Access', '', end($parts)); |
| 33 | |
| 34 | $accessorNameKeys = array_keys($this->accessorNamesPlural); |
| 35 | $accessorClassName = array_flip($this->accessorNamesPlural); |
| 36 | |
| 37 | $this->accessorClassName = array_merge( |
| 38 | $accessorClassName, |
| 39 | array_combine($accessorNameKeys, $accessorNameKeys) |
| 40 | ); |
| 41 | $this->accessorNamesPlural = array_merge( |
| 42 | $this->accessorNamesPlural, |
| 43 | array_flip($this->accessorNamesPlural) |
| 44 | ); |
| 45 | |
| 46 | if (isset($options['pdoConnection']) && $options['pdoConnection'] instanceof \PDO) { |
| 47 | $this->pdo = $options['pdoConnection']; |
| 48 | } else { |
| 49 | $this->connect($options); |
| 50 | } |
| 51 | $this->pdo->setAttribute(\PDO::ATTR_ERRMODE, \PDO::ERRMODE_EXCEPTION); |
| 52 | $this->postConnect(); |
| 53 | } catch (\Exception $e) { |
| 54 | throw $e; |
| 55 | } |
| 56 | } |
| 57 | |
| 58 | public function __call($method, $args = []) |
| 59 | { |
| 60 | try { |
| 61 | return parent::__call($method, $args); |
| 62 | } catch (\Exception $e) { |
| 63 | if ('loadFromPath' != $method && preg_match('/load(?P<accessor>[A-Za-z_0-9]+)/', $method, $matches)) { |
| 64 | $locale = $args[0] ?? 'de'; |
| 65 | $instance = $this->loadAccessor($matches['accessor'], $locale); |
| 66 | |
| 67 | return $instance; |
| 68 | } |
| 69 | } |
| 70 | } |
| 71 | |
| 72 | protected function postConnect() |
| 73 | { |
| 74 | } |
| 75 | |
| 76 | public function loadAccessor(string $name, string $locale = 'de') |
| 77 | { |
| 78 | if (isset($this->accessorClassName[$name])) { |
| 79 | if (null === $this->accessInstance[$locale][$this->accessorClassName[$name]]) { |
| 80 | $accessorClass = __NAMESPACE__ . '\\' . $this->engine . '\\' . $this->accessorClassName[$name]; |
| 81 | |
| 82 | $instance = new $accessorClass($this, $locale); |
| 83 | $this->accessInstance[$locale][$name] = $instance; |
| 84 | $this->accessInstance[$locale][$this->accessorNamesPlural[$name]] = $instance; |
| 85 | } |
| 86 | return $this->accessInstance[$locale][$name]; |
| 87 | } |
| 88 | throw new \Exception('Invalid accessor'); |
| 89 | } |
| 90 | |
| 91 | abstract protected function connect(array $options); |
| 92 | |
| 93 | public function getConnection() |
| 94 | { |
| 95 | return $this->pdo; |
| 96 | } |
| 97 | |
| 98 | /** |
| 99 | * parameters see https://www.php.net/manual/de/pdo.query.php |
| 100 | */ |
| 101 | |
| 102 | public function query(...$args) |
| 103 | { |
| 104 | try { |
| 105 | return $this->pdo->query(...$args); |
| 106 | } catch (\Exception $e) { |
| 107 | throw $e; |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | /** |
| 112 | * parameters see https://www.php.net/manual/de/pdo.exec.php |
| 113 | */ |
| 114 | |
| 115 | public function exec(...$args) |
| 116 | { |
| 117 | try { |
| 118 | return $this->pdo->exec(...$args); |
| 119 | } catch (\Exception $e) { |
| 120 | throw $e; |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | /** |
| 125 | * parameters see https://www.php.net/manual/de/pdo.prepare.php |
| 126 | */ |
| 127 | |
| 128 | public function prepare(...$args) |
| 129 | { |
| 130 | try { |
| 131 | return $this->pdo->prepare(...$args); |
| 132 | } catch (\Exception $e) { |
| 133 | throw $e; |
| 134 | } |
| 135 | } |
| 136 | |
| 137 | protected $transactionCount = 0; |
| 138 | |
| 139 | public function beginTransaction() |
| 140 | { |
| 141 | try { |
| 142 | $this->transactionCount++; |
| 143 | if ($this->inTransaction()) { |
| 144 | return true; |
| 145 | } |
| 146 | return $this->pdo->beginTransaction(); |
| 147 | } catch (\Exception $e) { |
| 148 | throw $e; |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | public function commit() |
| 153 | { |
| 154 | try { |
| 155 | $this->transactionCount--; |
| 156 | if ($this->transactionCount == 0 && $this->inTransaction()) { |
| 157 | return $this->pdo->commit(); |
| 158 | } elseif (!$this->inTransaction()) { |
| 159 | trigger_error(__METHOD__ . ' no transaction started'); |
| 160 | } |
| 161 | return true; |
| 162 | } catch (\Exception $e) { |
| 163 | throw $e; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | public function rollBack() |
| 168 | { |
| 169 | try { |
| 170 | $this->transactionCount--; |
| 171 | if ($this->transactionCount == 0 && $this->inTransaction()) { |
| 172 | return $this->pdo->rollBack(); |
| 173 | } elseif (!$this->inTransaction()) { |
| 174 | trigger_error(__METHOD__ . ' no transaction started'); |
| 175 | } |
| 176 | return true; |
| 177 | } catch (\Exception $e) { |
| 178 | throw $e; |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | public function inTransaction() |
| 183 | { |
| 184 | try { |
| 185 | return $this->pdo->inTransaction(); |
| 186 | } catch (\Exception $e) { |
| 187 | throw $e; |
| 188 | } |
| 189 | } |
| 190 | } |