brunobmorais /
php-database
| Total Complexity | 62 |
| Total Lines | 407 |
| Duplicated Lines | 0 % |
| Changes | 20 | ||
| 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 | * @deprecated |
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| 55 | */ |
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| 56 | protected $resultArray = array(); |
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| 57 | |||
| 58 | /** @var string */ |
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| 59 | private $logSQL; |
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| 60 | |||
| 61 | /** @var PDOException */ |
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| 62 | private $error; |
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| 63 | |||
| 64 | /** @var string */ |
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| 65 | private string $query = ""; |
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| 66 | |||
| 67 | /** @var array */ |
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| 68 | private array $params = []; |
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| 69 | |||
| 70 | |||
| 71 | /** @return PDO|false */ |
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| 72 | private function getInstance() |
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| 73 | { |
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| 74 | try { |
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| 75 | if (strpos($_SERVER['SERVER_NAME'], mb_strtolower(CONFIG_DATA_LAYER["homologation"])) && !strpos($this->getDatabase(), ucfirst(CONFIG_DATA_LAYER["homologation"]))) { |
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| 76 | $database = $this->getDatabase().ucfirst(CONFIG_DATA_LAYER["homologation"] ?? ""); |
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| 77 | $this->setDatabase($database); |
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| 78 | } |
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| 79 | |||
| 80 | if (empty($this->getInstance())) { |
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| 81 | $instance = new PDO( |
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| 82 | CONFIG_DATA_LAYER['driver'] . ':host=' . CONFIG_DATA_LAYER['host'] . ';dbname=' . $this->getDatabase() . ';port=' . CONFIG_DATA_LAYER['port'], |
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| 83 | CONFIG_DATA_LAYER['username'], |
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| 84 | CONFIG_DATA_LAYER['passwd'], |
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| 85 | CONFIG_DATA_LAYER['options'] |
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| 86 | ); |
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| 87 | $this->setInstance($instance); |
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| 88 | } |
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| 89 | |||
| 90 | return $this->getInstance(); |
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| 91 | } catch (PDOException $e) { |
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| 92 | $this->setError($e); |
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| 93 | } |
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| 94 | |||
| 95 | } |
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| 96 | |||
| 97 | /** |
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| 98 | * @param ?PDO $pdo |
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| 99 | * @return Crud |
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| 100 | * |
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| 101 | */ |
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| 102 | protected function setInstance(?PDO $pdo): self |
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| 103 | { |
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| 104 | $this->instance = $pdo; |
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|
Deprecated Code
introduced
by
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| 105 | return $this; |
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| 106 | } |
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| 107 | |||
| 108 | /** |
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| 109 | * @param string $database |
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| 110 | * @return $this |
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| 111 | */ |
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| 112 | protected function setDatabase(string $database): self |
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| 113 | { |
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| 114 | $this->database = $database; |
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| 115 | $this->setInstance(null); |
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| 116 | return $this; |
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| 117 | } |
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| 118 | |||
| 119 | /** |
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| 120 | * @return string |
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| 121 | */ |
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| 122 | protected function getDatabase(): string |
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| 123 | { |
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| 124 | return $this->database ?? ""; |
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| 125 | } |
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| 126 | |||
| 127 | /** |
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| 128 | * @param string $fields |
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| 129 | * @return Crud |
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| 130 | */ |
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| 131 | protected function setFields(string $fields): self |
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| 132 | { |
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| 133 | $this->fields = $fields; |
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| 134 | return $this; |
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| 135 | } |
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| 136 | |||
| 137 | /** |
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| 138 | * @return string |
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| 139 | */ |
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| 140 | protected function getFields():string |
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| 141 | { |
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| 142 | return $this->fields; |
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| 143 | } |
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| 144 | |||
| 145 | /** |
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| 146 | * @param string $tableName |
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| 147 | * @param string $tableAlias |
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| 148 | * @return CrudBuilder|Crud|DatalayerTrait |
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| 149 | */ |
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| 150 | protected function setTable(string $tableName, string $tableAlias = ""): self |
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| 151 | { |
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| 152 | if (!empty($tableAlias)) |
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| 153 | $this->tableAlias = $tableAlias; |
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| 154 | $this->tableName = $tableName; |
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| 155 | return $this; |
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| 156 | } |
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| 157 | |||
| 158 | /** |
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| 159 | * @return string |
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| 160 | */ |
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| 161 | protected function getTable(): string |
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| 162 | { |
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| 163 | return $this->tableName ?? ""; |
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| 164 | } |
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| 165 | |||
| 166 | protected function getTableAlias(): string |
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| 167 | { |
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| 168 | return $this->tableAlias ?? ""; |
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| 169 | } |
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| 170 | |||
| 171 | /** |
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| 172 | * @param string $classModel |
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| 173 | * @return Crud |
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| 174 | */ |
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| 175 | protected function setClassModel(string $classModel): self |
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| 176 | { |
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| 177 | $this->classModel = $classModel; |
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| 178 | return $this; |
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| 179 | } |
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| 180 | |||
| 181 | protected function getClassModel(): string |
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| 182 | { |
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| 183 | return $this->classModel; |
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| 184 | } |
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| 185 | |||
| 186 | /** |
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| 187 | * @param string $classModel |
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| 188 | * @return Crud |
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| 189 | */ |
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| 190 | protected function setPrepare(PDOStatement $prepare): self |
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| 191 | { |
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| 192 | $this->prepare = $prepare; |
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| 193 | return $this; |
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| 194 | } |
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| 195 | |||
| 196 | protected function getPrepare(): PDOStatement |
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| 197 | { |
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| 198 | return $this->prepare; |
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| 199 | } |
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| 200 | |||
| 201 | /** |
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| 202 | * @param string $query |
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| 203 | * @param array|null $params |
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| 204 | * @return PDOStatement|void |
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| 205 | */ |
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| 206 | protected function executeSQL(string $query, ?array $params = null) |
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| 207 | { |
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| 208 | try { |
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| 209 | $this->setPrepare($this->getInstance()->prepare($query)); |
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| 210 | $this->setLogSQL($query, $params); |
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| 211 | $this->getPrepare()->execute($params); |
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| 212 | return $this->getPrepare(); |
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| 213 | } catch (PDOException $e) { |
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| 214 | $this->setError($e); |
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| 215 | } |
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| 216 | } |
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| 217 | |||
| 218 | /** |
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| 219 | * @param $prepare |
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| 220 | * @return int|false |
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| 221 | */ |
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| 222 | protected function count(PDOStatement $prepare = null): ?int |
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| 223 | { |
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| 224 | try { |
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| 225 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 226 | return $prepare->rowCount(); |
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| 227 | } catch (PDOException $e) { |
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| 228 | $this->setError($e);} |
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| 229 | } |
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| 230 | |||
| 231 | /** |
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| 232 | * @param $prepare |
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| 233 | * @return array|false |
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| 234 | */ |
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| 235 | protected function fetchArrayAssoc(PDOStatement $prepare = null): ?array |
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| 236 | { |
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| 237 | try { |
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| 238 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 239 | $dados = $prepare->fetchAll(PDO::FETCH_ASSOC); |
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| 240 | $this->resultArray = $dados; |
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| 241 | return $dados; |
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| 242 | } catch (PDOException $e) { |
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| 243 | $this->setError($e); |
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| 244 | } |
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| 245 | } |
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| 246 | |||
| 247 | /** |
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| 248 | * @param $prepare |
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| 249 | * @return array|false |
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| 250 | */ |
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| 251 | protected function fetchArrayObj(PDOStatement $prepare = null): ?array |
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| 260 | } |
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| 261 | } |
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| 262 | |||
| 263 | /** |
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| 264 | * @param $prepare |
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| 265 | * @param String|null $class |
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| 266 | * @return array|false |
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| 267 | */ |
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| 268 | protected function fetchArrayClass(PDOStatement $prepare = null, string $class = null): ?array |
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| 269 | { |
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| 270 | try { |
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| 271 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 272 | $class = empty($class) ? $this->classModel : $class; |
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| 273 | $dados = $prepare->fetchAll(PDO::FETCH_CLASS | PDO::FETCH_PROPS_LATE, CONFIG_DATA_LAYER["directory_models"] . $class); |
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| 274 | $this->resultArray = $dados; |
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| 275 | return $dados; |
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| 276 | } catch (PDOException $e) { |
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| 277 | $this->setError($e); |
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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 | * @return array|false |
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| 284 | */ |
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| 285 | protected function fetchOneAssoc(PDOStatement $prepare = null): ?array |
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| 286 | { |
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| 287 | try { |
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| 288 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 289 | $dados = $prepare->fetch(PDO::FETCH_ASSOC); |
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| 290 | return $dados; |
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| 291 | } catch (PDOException $e) { |
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| 292 | $this->setError($e); |
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| 293 | } |
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| 294 | } |
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| 295 | |||
| 296 | /** |
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| 297 | * @param $prepare |
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| 298 | * @return stdClass|false |
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| 299 | */ |
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| 300 | protected function fetchOneObj(PDOStatement $prepare = null): ?stdClass |
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| 301 | { |
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| 302 | try { |
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| 303 | $prepare = empty($prepare) ? $this->getPrepare() : $prepare; |
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| 304 | $dados = $prepare->fetch(PDO::FETCH_OBJ); |
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| 305 | return $dados; |
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| 306 | } catch (PDOException $e) { |
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| 307 | $this->setError($e); |
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| 308 | } |
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| 309 | } |
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| 310 | |||
| 311 | /** |
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| 312 | * @param $prepare |
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| 313 | * @param String|null $class |
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| 314 | * @return array|false |
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| 315 | */ |
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| 316 | protected function fetchOneClass(PDOStatement $prepare = null, string $class = null): ?object |
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| 324 | } |
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| 325 | } |
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| 326 | |||
| 327 | /** |
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| 328 | * @return bool |
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| 329 | */ |
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| 330 | protected function beginTrasaction(): ?bool |
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| 337 | } |
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| 338 | |||
| 339 | } |
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| 340 | |||
| 341 | /** |
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| 342 | * @return bool|null |
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| 343 | */ |
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| 344 | protected function commitTransaction(): ?bool |
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| 345 | { |
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| 346 | try { |
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| 347 | $this->getInstance()->commit(); |
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| 348 | return true; |
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| 349 | } catch (PDOException $e) { |
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| 350 | $this->setError($e); |
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| 351 | } |
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| 352 | } |
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| 353 | |||
| 354 | /** |
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| 355 | * @return bool|null |
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| 356 | * |
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| 357 | */ |
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| 358 | protected function rollBackTransaction(): ?bool |
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| 366 | } |
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| 367 | } |
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| 368 | |||
| 369 | /** |
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| 370 | * @return string|null |
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| 371 | * */ |
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| 372 | private function lastId(): ?string |
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| 373 | { |
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| 374 | try { |
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| 375 | return $this->getInstance()->lastInsertId(); |
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| 376 | } catch (PDOException $e) { |
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| 377 | $this->setError($e); |
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| 378 | } |
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| 379 | } |
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| 380 | |||
| 381 | /** |
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| 382 | * @param $sql_string |
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| 383 | * @param array|null $params |
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| 384 | * @return void |
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| 385 | */ |
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| 386 | private function setLogSQL($sql_string, ?array $params = null) |
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| 416 | } |
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| 417 | |||
| 418 | /** |
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| 419 | * @param PDOException $e |
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| 420 | * @return void |
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| 421 | */ |
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| 422 | private function setError(PDOException $e) |
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| 423 | { |
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| 424 | $this->error = $e; |
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| 425 | throw new PDOException("{$e->getMessage()}<br/><b>SQL:</b> {$this->getSQL()}"); |
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| 426 | |||
| 427 | } |
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| 429 |
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