brunobmorais /
php-database
| Total Complexity | 67 |
| Total Lines | 423 |
| Duplicated Lines | 0 % |
| Changes | 24 | ||
| Bugs | 0 | Features | 0 |
Complex classes like DatalayerTrait often do a lot of different things. To break such a class down, we need to identify a cohesive component within that class. A common approach to find such a component is to look for fields/methods that share the same prefixes, or suffixes.
Once you have determined the fields that belong together, you can apply the Extract Class refactoring. If the component makes sense as a sub-class, Extract Subclass is also a candidate, and is often faster.
While breaking up the class, it is a good idea to analyze how other classes use DatalayerTrait, and based on these observations, apply Extract Interface, too.
| 1 | <?php |
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| 19 | trait DatalayerTrait |
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| 20 | { |
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| 21 | /** @var PDO|null |
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| 22 | * @deprecated |
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| 23 | * */ |
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| 24 | protected $instance = null; |
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| 25 | |||
| 26 | /** @var string |
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| 27 | * @deprecated |
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| 28 | */ |
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| 29 | protected string $fields; |
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| 30 | |||
| 31 | /** @var PDOStatement|null |
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| 32 | * @deprecated */ |
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| 33 | protected $prepare = null; |
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| 34 | |||
| 35 | /** @var string |
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| 36 | * @deprecated |
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| 37 | */ |
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| 38 | protected $database = CONFIG_DATA_LAYER["dbname"]; |
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| 39 | |||
| 40 | /** @var string |
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| 41 | * @deprecated |
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| 42 | */ |
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| 43 | protected $classModel; |
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| 44 | |||
| 45 | /** @var string |
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| 46 | * @deprecated |
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| 47 | */ |
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| 48 | protected $tableName; |
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| 49 | |||
| 50 | /** @var string */ |
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| 51 | private $tableAlias; |
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| 52 | |||
| 53 | /** @var array |
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| 54 | */ |
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| 55 | private array $resultArray = []; |
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| 56 | |||
| 57 | /** @var string */ |
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| 58 | private $logSQL; |
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| 59 | |||
| 60 | /** @var PDOException */ |
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| 61 | private $error; |
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| 62 | |||
| 63 | /** @var string */ |
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| 64 | private string $query = ""; |
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| 65 | |||
| 66 | /** @var array */ |
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| 67 | private array $params = []; |
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| 68 | |||
| 69 | |||
| 70 | /** @return PDO|false */ |
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| 71 | private function getConnect() |
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| 72 | { |
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| 73 | try { |
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| 74 | if (strpos($_SERVER['SERVER_NAME'], mb_strtolower(CONFIG_DATA_LAYER["homologation"])) && !strpos($this->getDatabase(), ucfirst(CONFIG_DATA_LAYER["homologation"]))) { |
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| 75 | $database = $this->getDatabase().ucfirst(CONFIG_DATA_LAYER["homologation"] ?? ""); |
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| 76 | $this->setDatabase($database); |
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| 77 | } |
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| 78 | |||
| 79 | if (empty($this->instance)) { |
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|
Deprecated Code
introduced
by
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| 80 | $this->instance = new PDO( |
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| 81 | CONFIG_DATA_LAYER['driver'] . ':host=' . CONFIG_DATA_LAYER['host'] . ';dbname=' . $this->getDatabase() . ';port=' . CONFIG_DATA_LAYER['port'], |
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| 82 | CONFIG_DATA_LAYER['username'], |
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| 83 | CONFIG_DATA_LAYER['passwd'], |
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| 84 | CONFIG_DATA_LAYER['options'] |
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| 85 | ); |
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| 86 | } |
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| 87 | |||
| 88 | return $this->instance; |
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| 89 | } catch (PDOException $e) { |
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| 90 | $this->setError($e); |
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| 91 | } |
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| 92 | |||
| 93 | } |
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| 94 | |||
| 95 | /** |
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| 96 | * @param ?PDO $pdo |
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| 97 | * @return Crud |
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| 98 | * |
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| 99 | */ |
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| 100 | protected function setInstance(?PDO $pdo): self |
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| 104 | } |
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| 105 | |||
| 106 | protected function getInstance(): PDO |
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| 107 | { |
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| 108 | return $this->instance ?? $this->getConnect(); |
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| 109 | } |
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| 110 | |||
| 111 | /** |
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| 112 | * @param string $database |
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| 113 | * @return $this |
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| 114 | */ |
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| 115 | protected function setDatabase(string $database): self |
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| 116 | { |
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| 117 | if (strpos($_SERVER['SERVER_NAME'], mb_strtolower(CONFIG_DATA_LAYER["homologation"])) && !strpos($this->getDatabase(), ucfirst(CONFIG_DATA_LAYER["homologation"]))) { |
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| 118 | $database = $database.ucfirst(CONFIG_DATA_LAYER["homologation"] ?? ""); |
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| 119 | } |
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| 120 | |||
| 121 | $this->database = $database; |
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| 122 | $this->setInstance(null)->getInstance(); |
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| 123 | return $this; |
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| 124 | } |
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| 125 | |||
| 126 | /** |
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| 127 | * @return string |
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| 128 | */ |
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| 129 | protected function getDatabase(): string |
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| 130 | { |
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| 131 | return $this->database ?? ""; |
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| 132 | } |
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| 133 | |||
| 134 | /** |
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| 135 | * @param string $fields |
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| 136 | * @return Crud |
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| 137 | */ |
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| 138 | protected function setFields(string $fields): self |
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| 139 | { |
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| 140 | $this->fields = $fields; |
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| 141 | return $this; |
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| 142 | } |
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| 143 | |||
| 144 | /** |
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| 145 | * @return string |
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| 146 | */ |
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| 147 | protected function getFields():string |
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| 148 | { |
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| 149 | return $this->fields; |
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| 150 | } |
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| 151 | |||
| 152 | /** |
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| 153 | * @param string $tableName |
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| 154 | * @param string $tableAlias |
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| 155 | * @return CrudBuilder|Crud|DatalayerTrait |
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| 156 | */ |
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| 157 | protected function setTable(string $tableName, string $tableAlias = ""): self |
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| 158 | { |
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| 159 | if (!empty($tableAlias)) |
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| 160 | $this->tableAlias = $tableAlias; |
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| 161 | $this->tableName = $tableName; |
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| 162 | return $this; |
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| 163 | } |
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| 164 | |||
| 165 | /** |
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| 166 | * @return string |
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| 167 | */ |
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| 168 | protected function getTable(): string |
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| 169 | { |
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| 170 | return $this->tableName ?? ""; |
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| 171 | } |
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| 172 | |||
| 173 | protected function getTableAlias(): string |
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| 174 | { |
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| 175 | return $this->tableAlias ?? ""; |
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| 176 | } |
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| 177 | |||
| 178 | /** |
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| 179 | * @param string $classModel |
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| 180 | * @return Crud |
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| 181 | */ |
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| 182 | protected function setClassModel(string $classModel): self |
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| 183 | { |
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| 184 | $this->classModel = $classModel; |
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| 185 | return $this; |
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| 186 | } |
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| 187 | |||
| 188 | protected function getClassModel(): string |
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| 189 | { |
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| 190 | return $this->classModel; |
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| 191 | } |
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| 192 | |||
| 193 | /** |
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| 194 | * @param string $classModel |
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| 195 | * @return Crud |
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| 196 | */ |
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| 197 | protected function setPrepare(PDOStatement $prepare): self |
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| 198 | { |
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| 199 | $this->prepare = $prepare; |
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| 200 | return $this; |
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| 201 | } |
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| 202 | |||
| 203 | protected function getPrepare(): PDOStatement |
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| 204 | { |
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| 205 | return $this->prepare; |
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| 206 | } |
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| 207 | |||
| 208 | protected function getResult(): array |
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| 209 | { |
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| 210 | return $this->resultArray; |
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| 211 | } |
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| 212 | |||
| 213 | protected function setResult(array $array): self |
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| 214 | { |
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| 215 | $this->resultArray = $array; |
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| 216 | return $this; |
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| 217 | } |
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| 218 | |||
| 219 | /** |
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| 220 | * @param string $query |
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| 221 | * @param array|null $params |
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| 222 | * @return PDOStatement|void |
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| 223 | */ |
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| 224 | protected function executeSQL(string $query, ?array $params = null) |
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| 225 | { |
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| 226 | try { |
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| 227 | $this->setPrepare($this->getInstance()->prepare($query)); |
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| 228 | $this->setLogSQL($query, $params); |
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| 229 | $this->getPrepare()->execute($params); |
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| 230 | return $this->getPrepare(); |
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| 231 | } catch (PDOException $e) { |
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| 232 | $this->setError($e); |
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| 233 | } |
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| 234 | } |
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| 235 | |||
| 236 | /** |
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| 237 | * @param $prepare |
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| 238 | * @return int|false |
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| 239 | */ |
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| 240 | protected function count(PDOStatement $prepare = null): ?int |
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| 241 | { |
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| 242 | try { |
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| 243 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 244 | return $prepare->rowCount(); |
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| 245 | } catch (PDOException $e) { |
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| 246 | $this->setError($e);} |
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| 247 | } |
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| 248 | |||
| 249 | /** |
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| 250 | * @param PDOStatement|null $prepare |
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| 251 | * @return array|null |
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| 252 | */ |
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| 253 | protected function fetchArrayAssoc(PDOStatement $prepare = null): ?array |
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| 254 | { |
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| 255 | try { |
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| 256 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 257 | $dados = $prepare->fetchAll(PDO::FETCH_ASSOC); |
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| 258 | $this->setResult($dados); |
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| 259 | return $dados; |
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| 260 | } catch (PDOException $e) { |
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| 261 | $this->setError($e); |
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| 262 | } |
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| 263 | } |
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| 264 | |||
| 265 | /** |
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| 266 | * @param $prepare |
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| 267 | * @return array|false |
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| 268 | */ |
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| 269 | protected function fetchArrayObj(PDOStatement $prepare = null): ?array |
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| 278 | } |
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| 279 | } |
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| 280 | |||
| 281 | /** |
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| 282 | * @param $prepare |
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| 283 | * @param String|null $classModel |
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| 284 | * @return array|false |
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| 285 | */ |
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| 286 | protected function fetchArrayClass(PDOStatement $prepare = null, string $classModel = null): ?array |
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| 287 | { |
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| 288 | try { |
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| 289 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 290 | $classModel = empty($classModel) ? $this->getClassModel() : $classModel; |
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| 291 | $dados = $prepare->fetchAll(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, CONFIG_DATA_LAYER["directory_models"] . $classModel); |
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| 292 | $this->setResult($dados); |
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| 293 | return $dados; |
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| 294 | } catch (PDOException $e) { |
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| 295 | $this->setError($e); |
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| 296 | } |
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| 297 | } |
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| 298 | |||
| 299 | /** |
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| 300 | * @param $prepare |
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| 301 | * @return array|false |
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| 302 | */ |
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| 303 | protected function fetchOneAssoc(PDOStatement $prepare = null): ?array |
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| 304 | { |
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| 305 | try { |
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| 306 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 307 | return $prepare->fetch(PDO::FETCH_ASSOC); |
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| 308 | } catch (PDOException $e) { |
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| 309 | $this->setError($e); |
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| 310 | } |
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| 311 | } |
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| 312 | |||
| 313 | /** |
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| 314 | * @param PDOStatement|null $prepare |
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| 315 | * @return stdClass|null |
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| 316 | */ |
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| 317 | protected function fetchOneObj(PDOStatement $prepare = null): ?stdClass |
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| 318 | { |
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| 319 | try { |
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| 320 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 321 | return $prepare->fetch(PDO::FETCH_OBJ); |
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| 322 | } catch (PDOException $e) { |
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| 323 | $this->setError($e); |
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| 324 | } |
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| 325 | } |
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| 326 | |||
| 327 | /** |
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| 328 | * @param $prepare |
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| 329 | * @param String|null $class |
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| 330 | * @return array|false |
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| 331 | */ |
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| 332 | protected function fetchOneClass(PDOStatement $prepare = null, string $class = null): ?object |
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| 340 | } |
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| 341 | } |
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| 342 | |||
| 343 | /** |
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| 344 | * @return bool |
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| 345 | */ |
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| 346 | protected function beginTrasaction(): ?bool |
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| 353 | } |
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| 354 | |||
| 355 | } |
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| 356 | |||
| 357 | /** |
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| 358 | * @return bool|null |
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| 359 | */ |
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| 360 | protected function commitTransaction(): ?bool |
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| 361 | { |
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| 362 | try { |
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| 363 | $this->getInstance()->commit(); |
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| 364 | return true; |
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| 365 | } catch (PDOException $e) { |
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| 366 | $this->setError($e); |
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| 367 | } |
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| 368 | } |
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| 369 | |||
| 370 | /** |
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| 371 | * @return bool|null |
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| 372 | * |
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| 373 | */ |
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| 374 | protected function rollBackTransaction(): ?bool |
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| 382 | } |
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| 383 | } |
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| 384 | |||
| 385 | /** |
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| 386 | * @return string|null |
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| 387 | * */ |
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| 388 | private function lastId(): ?string |
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| 389 | { |
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| 390 | try { |
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| 391 | return $this->getInstance()->lastInsertId(); |
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| 392 | } catch (PDOException $e) { |
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| 393 | $this->setError($e); |
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| 394 | } |
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| 395 | } |
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| 396 | |||
| 397 | /** |
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| 398 | * @param $sql_string |
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| 399 | * @param array|null $params |
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| 400 | * @return void |
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| 401 | */ |
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| 402 | private function setLogSQL($sql_string, ?array $params = null) |
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| 432 | } |
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| 433 | |||
| 434 | /** |
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| 435 | * @param PDOException $e |
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| 436 | * @return void |
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| 437 | */ |
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| 438 | private function setError(PDOException $e) |
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| 439 | { |
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| 440 | $this->error = $e; |
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| 441 | throw new PDOException("{$e->getMessage()}<br/><b>SQL:</b> {$this->getSQL()}"); |
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| 442 | |||
| 443 | } |
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| 444 | } |
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| 445 |
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