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<?php
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namespace BMorais\Database;
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/**
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* CLASS ABSTRACT QUERY
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* Basic class to make connection between the database and the application
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*
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* @author Bruno Morais <[email protected]>
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* @copyright MIT, bmorais.com
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* @package bmorais\database
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* @subpackage class
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* @access private
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*/
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class QueryBuilder
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{
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use DatalayerTrait;
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public function __construct(\PDO $instance)
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{
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$this->setInstance($instance);
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}
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public function select(string $fields = "*", array $paramns = []):self
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{
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$query = "SELECT {$fields} FROM {$this->getTable()} ";
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if (!empty($this->getTableAlias()))
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$query .= "AS {$this->getTableAlias()}";
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$this->add($query, $paramns);
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return $this;
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}
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public function insert(string $fields, array $paramns):self
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{
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$numparams = '';
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foreach ($paramns as $item) {
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$numparams .= ',?';
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}
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$numparams = substr($numparams, 1);
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$query = "INSERT INTO {$this->getTable()} ({$fields}) VALUES ({$numparams})";
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$this->add($query, $paramns);
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return $this;
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}
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public function update(string $fields, array $paramns):self
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{
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$fields_T = '';
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$atributos = explode(',', $fields);
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foreach ($atributos as $item) {
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$fields_T .= ", {$item} = ?";
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}
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$fields_T = substr($fields_T, 2);
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$query = "UPDATE {{$this->getTable()}} SET {$fields_T}";
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$this->add($query, $paramns);
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return $this;
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}
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public function delete(string $fields, array $paramns):self
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{
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$query = "DELETE FROM {$this->getTable()}";
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$this->add($query, $paramns);
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return $this;
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}
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public function query(string $texto, array $paramns): self
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{
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$this->add($texto, $paramns);
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return $this;
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}
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public function where(string $texto, array $paramns): self
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{
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$query = "WHERE {$texto} ";
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$this->add($query, $paramns);
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return $this;
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}
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public function andWhere(string $condition, array $paramns): self
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{
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$query = "AND {$condition} ";
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$this->add($query, $paramns);
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return $this;
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}
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public function orWhere(string $texto, array $paramns): self
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{
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$query = "OR {$texto} ";
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$this->add($query, $paramns);
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return $this;
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}
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public function orderBy(string $texto): self
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{
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$query = "ORDER BY {$texto} ";
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$this->add($query);
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return $this;
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}
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public function limit(string $texto): self
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{
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$query = "LIMIT {$texto} ";
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$this->add($query);
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return $this;
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}
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public function offset(string $texto): self
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{
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$query = "OFFSET {$texto} ";
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$this->add($query);
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return $this;
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}
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public function groupBy(string $texto): self{
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$query = "GROUP BY {$texto} ";
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$this->add($query);
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return $this;
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}
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public function having(string $texto): self
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{
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$query = "HAVING {$texto} ";
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$this->add($query);
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return $this;
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}
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public function innerJoin(string $table, string $alias, string $codition): self
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{
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$query = "INNER JOIN {$table} AS {$alias} ON $codition ";
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$this->add($query);
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return $this;
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}
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public function leftJoin(string $table, string $alias, string $codition): self
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{
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$query = "LEFT JOIN {$table} AS {$alias} ON $codition ";
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$this->add($query);
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return $this;
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}
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public function rightJoin(string $table, string $alias, string $codition): self
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{
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$query = "RIGHT JOIN {$table} AS {$alias} ON $codition ";
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$this->add($query);
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return $this;
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}
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public function execute(): self
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{
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$this->executeSQL($this->query, $this->params);
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return $this;
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}
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public function debug()
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{
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return $this->query.'<pre>'.print_r($this->params).'</pre>';
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}
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/**
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* @return false|string
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*/
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public function lastInsertId(): ?string
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{
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return $this->lastId();
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}
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/**
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* @return string|null
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*/
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public function getLogSQL(): ?string
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{
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return $this->logSQL ?? "";
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}
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private function add(string $text, array $params = [])
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{
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if (!empty($params))
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$this->params[] = $params;
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$this->query .= $text;
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}
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}
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brunobmorais /
php-database
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