easyappointments/src/engine/Core/QueryBuilder.php

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<?php
/* ----------------------------------------------------------------------------
* Easy!Appointments - Open Source Web Scheduler
*
* @package EasyAppointments
* @author A.Tselegidis <alextselegidis@gmail.com>
* @copyright Copyright (c) 2013 - 2018, Alex Tselegidis
* @license http://opensource.org/licenses/GPL-3.0 - GPLv3
* @link http://easyappointments.org
* @since v1.4.0
* ---------------------------------------------------------------------------- */
namespace EA\Engine\Core;
/**
* Class QueryBuilder
*
* @package EA\Engine\Core
*/
class QueryBuilder {
/**
* @var \EA\Engine\Core\Framework
*/
private $framework;
/**
* QueryBuilder constructor.
*
* @param \EA\Engine\Core\Framework $framework
*/
public function __construct(Framework $framework)
{
$this->framework = $framework;
}
/**
* Count matching query rows.
*
* @param string $table
* @param mixed $conditions
*
* @return int
*/
public function count($table, $conditions)
{
return $this->framework->db->get_where($table, $conditions)->num_rows();
}
/**
* Perform an arbitrary query to the databbase.
*
* @param $query
*
* @return mixed
*/
public function query($query)
{
return $this->framework->db->query($query);
}
/**
* Get a single database row, based on the provided conditions.
*
* @param string $table
* @param mixed $conditions
*
* @return mixed
*/
public function row($table, $conditions)
{
return $this->framework->db->get_where($table, $conditions)->row_array();
}
/**
* Get a collection of rows, based on the provided parameters.
*
* @param string $table
* @param mixed|null $conditions
* @param int|null $limit
* @param int|null $offset
* @param mixed|null $order
*
* @return mixed
*/
public function collection($table, $conditions = NULL, $limit = NULL, $offset = NULL, $order = NULL)
{
if ($limit)
{
$this->framework->db->limit($limit);
}
if ($limit && $offset)
{
$this->framework->db->limit($limit, $offset);
}
if ($order)
{
$this->framework->db->order_by($order);
}
if ($conditions)
{
$this->framework->db->where($conditions);
}
return $this->framework->db->get($table)->result_array();
}
/**
* Insert a new database row.
*
* @param string $table
* @param array $row
*
* @return int Returns the inserted ID.
*/
public function insert($table, $row)
{
$this->framework->db->insert($table, $row);
return $this->framework->db->insert_id();
}
/**
* Update an existing database row.
*
* @param string $table
* @param array $row
* @param mixed $conditions
*
* @return mixed Returns the operation result.
*/
public function update($table, $row, $conditions)
{
return $this->framework->db->update($table, $row, $conditions);
}
/**
* Delete an existing database row.
*
* @param string $table
* @param array $row
* @param mixed $conditions
*
* @return mixed
*/
public function delete($table, $row, $conditions)
{
return $this->framework->db->delete($table, $row, $conditions);
}
/**
* Escape a raw value before using it in a query.
*
* @param string $value
*
* @return string
*/
public function escape($value)
{
return $this->framework->db->escape($value);
}
}