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<?php |
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namespace Bonfim\ActiveRecord; |
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abstract class Schema extends ActiveRecord |
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{ |
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private $sql = ''; |
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private $table; |
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abstract public function up(); |
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abstract public function down(); |
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public function __construct() |
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{ |
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$this->table = new Table(); |
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} |
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public function create(string $name, $callback) |
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{ |
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call_user_func_array($callback, [$this->table]); |
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$q = "CREATE TABLE IF NOT EXISTS $name ({$this->getColumns()}"; |
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$q .= $this->pk().$this->fk().$this->onUpdate().$this->onDelete(); |
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$q .= "\n) ENGINE=INNODB;"; |
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$this->sql = $q; |
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} |
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public function drop(string $name) |
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{ |
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$this->sql = "DROP TABLE $name"; |
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} |
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private function pk() |
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{ |
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return (!empty($pk = $this->table->getPk())) |
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? $this->sql .= ",\n\tPRIMARY KEY ($pk)" |
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: ""; |
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} |
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private function fk() |
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{ |
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return (!empty($fk = $this->table->getFk())) |
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? ",\n\t$fk {$this->table->getReferences()}" |
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: ""; |
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} |
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private function onUpdate() |
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{ |
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return (!empty($on = $this->table->getOnupdate())) |
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? " $on" |
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: ""; |
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} |
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private function onDelete() |
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{ |
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return (!empty($on = $this->table->getOndelete())) |
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? " $on" |
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: ""; |
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} |
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private function getColumns() |
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{ |
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$q = "\n\t"; |
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$columns = $this->table->getColumns(); |
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$count = count($columns); |
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reset($columns); |
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for ($i = 0; $i < $count; $i++) { |
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$key = key($columns); |
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$q .= key($columns) . ' ' . $columns[$key]; |
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if ($i < $count - 1) { |
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$q .= ",\n\t"; |
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} |
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next($columns); |
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} |
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return $q; |
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} |
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public function run() |
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{ |
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self::exec($this->sql); |
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} |
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} |
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EdsonOnildoJR /
activerecord.php
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