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<?php |
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namespace HexMakina\Crudites\Grammar\Clause; |
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use HexMakina\Crudites\Grammar\Predicate; |
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/** |
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* LEFT JOIN, two ways |
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* (new Join('cbx_order', 'Orders'))->on('user_id', 'User', 'id')->type('LEFT'); |
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* (new Join('cbx_order', 'Orders'))->on('user_id', 'User', 'id')->left(); |
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* INNER JOIN, with helper, before on |
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* (new Join('cbx_order', 'Orders'))->inner()->on('user_id', 'User', 'id'); |
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*/ |
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class Join extends Clause |
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{ |
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protected string $type; |
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protected string $table; |
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protected string $alias; |
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protected ?string $column; |
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protected ?string $referenced_table; |
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protected ?string $referenced_column; |
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public function __construct(string $table, string $alias = null) |
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{ |
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$this->type = ''; |
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$this->table = $table; |
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$this->alias = $alias ?? $table; |
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$this->column = null; |
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$this->referenced_table = null; |
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$this->referenced_column = null; |
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} |
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public function on(string $column, string $join_table, string $join_column): self |
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{ |
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$this->column = $column; |
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$this->referenced_table = $join_table; |
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$this->referenced_column = $join_column; |
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return $this; |
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} |
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public function type(string $join_type): self |
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{ |
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$this->type = $join_type; |
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return $this; |
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} |
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public function __toString(): string |
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{ |
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if(isset($this->column, $this->referenced_table, $this->referenced_column)) { |
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$on = (string)(new Predicate([$this->alias, $this->column], '=', [$this->referenced_table, $this->referenced_column])); |
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} |
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return trim(sprintf('%s JOIN `%s` `%s` ON %s', $this->type, $this->table, $this->alias, $on ?? '')); |
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} |
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/** |
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* @return string the name of the clause |
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*/ |
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public function name(): string |
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{ |
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return self::JOIN; |
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} |
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/** |
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* @return string the alias of the table |
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*/ |
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public function alias(): string |
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{ |
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return $this->alias; |
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} |
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/** |
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* @return string the table name |
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*/ |
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public function table(): string |
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{ |
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return $this->table; |
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} |
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public function column(): ?string |
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{ |
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return $this->column; |
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} |
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/** |
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* @return array [table, column] the referenced table and column |
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*/ |
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public function referenced(): ?array |
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{ |
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if(isset($this->referenced_table, $this->referenced_column)) { |
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return [$this->referenced_table, $this->referenced_column]; |
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} |
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return null; |
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} |
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} |
HexMakina /
Crudites
