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<?php |
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namespace HexMakina\Crudites\Queries; |
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use HexMakina\Crudites\CruditesException; |
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use HexMakina\BlackBox\Database\TableManipulationInterface; |
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class Update extends BaseQuery |
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{ |
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use ClauseWhere; |
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private $alterations = []; |
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public function __construct(TableManipulationInterface $table, $update_data = [], $conditions = []) |
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{ |
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$this->table = $table; |
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$this->connection = $table->connection(); |
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if (!empty($update_data)) { |
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$this->addBindings($update_data); |
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} |
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if (!empty($conditions)) { |
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if (is_array($conditions)) { |
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$this->whereFieldsEQ($conditions); |
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} elseif (is_string($conditions)) { |
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$this->where($conditions); |
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} |
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} |
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} |
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public function addBindings($update_data): array |
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{ |
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$binding_names = []; |
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foreach ($update_data as $field_name => $value) { |
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$column = $this->table->column($field_name); |
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if (is_null($column)) { |
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continue; |
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} |
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if ($value === '' && $column->isNullable()) { |
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$value = null; |
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} elseif (empty($value) && $column->type()->isBoolean()) { //empty '', 0, false |
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$value = 0; |
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} |
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$binding_names[$field_name] = $this->addBinding($field_name, $value); |
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$this->alterations [] = $this->backTick($field_name) . ' = ' . $binding_names[$field_name]; |
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} |
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return $binding_names; |
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} |
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public function generate(): string |
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{ |
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if (empty($this->alterations)) { |
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throw new CruditesException('UPDATE_NO_ALTERATIONS'); |
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} |
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// prevents haphazrdous generation of massive update query, must use statement setter for such jobs |
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if (empty($this->where)) { |
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throw new CruditesException('UPDATE_NO_CONDITIONS'); |
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} |
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$set = implode(', ', $this->alterations); |
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$where = $this->generateWhere(); |
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$ret = sprintf('UPDATE `%s` SET %s %s;', $this->table->name(), $set, $where); |
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return $ret; |
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} |
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} |
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HexMakina /
Crudites
