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<?php
namespace Model;
use Pimple\Container;
/**
* Base model class
*
* @package model
* @author Frederic Guillot
*/
abstract class Base extends \Core\Base
{
/**
* Save a record in the database
*
* @access public
* @param string $table Table name
* @param array $values Form values
* @return boolean|integer
*/
public function persist($table, array $values)
{
return $this->db->transaction(function($db) use ($table, $values) {
if (! $db->table($table)->save($values)) {
return false;
}
return (int) $db->getLastId();
});
}
/**
* Remove keys from an array
*
* @access public
* @param array $values Input array
* @param string[] $keys List of keys to remove
*/
public function removeFields(array &$values, array $keys)
{
foreach ($keys as $key) {
if (array_key_exists($key, $values)) {
unset($values[$key]);
}
}
}
/**
* Remove keys from an array if empty
*
* @access public
* @param array $values Input array
* @param string[] $keys List of keys to remove
*/
public function removeEmptyFields(array &$values, array $keys)
{
foreach ($keys as $key) {
if (array_key_exists($key, $values) && empty($values[$key])) {
unset($values[$key]);
}
}
}
/**
* Force fields to be at 0 if empty
*
* @access public
* @param array $values Input array
* @param string[] $keys List of keys
*/
public function resetFields(array &$values, array $keys)
{
foreach ($keys as $key) {
if (isset($values[$key]) && empty($values[$key])) {
$values[$key] = 0;
}
}
}
/**
* Force some fields to be integer
*
* @access public
* @param array $values Input array
* @param string[] $keys List of keys
*/
public function convertIntegerFields(array &$values, array $keys)
{
foreach ($keys as $key) {
if (isset($values[$key])) {
$values[$key] = (int) $values[$key];
}
}
}
/**
* Force some fields to be null if empty
*
* @access public
* @param array $values Input array
* @param string[] $keys List of keys
*/
public function convertNullFields(array &$values, array $keys)
{
foreach ($keys as $key) {
if (array_key_exists($key, $values) && empty($values[$key])) {
$values[$key] = null;
}
}
}
/**
* Build SQL condition for a given time range
*
* @access protected
* @param string $start_time Start timestamp
* @param string $end_time End timestamp
* @param string $start_column Start column name
* @param string $end_column End column name
* @return string
*/
protected function getCalendarCondition($start_time, $end_time, $start_column, $end_column)
{
$start_column = $this->db->escapeIdentifier($start_column);
$end_column = $this->db->escapeIdentifier($end_column);
$conditions = array(
"($start_column >= '$start_time' AND $start_column <= '$end_time')",
"($start_column <= '$start_time' AND $end_column >= '$start_time')",
"($start_column <= '$start_time' AND ($end_column = '0' OR $end_column IS NULL))",
);
return $start_column.' IS NOT NULL AND '.$start_column.' > 0 AND ('.implode(' OR ', $conditions).')';
}
/**
* Group a collection of records by a column
*
* @access public
* @param array $collection
* @param string $column
* @return array
*/
public function groupByColumn(array $collection, $column)
{
$result = array();
foreach ($collection as $item) {
$result[$item[$column]][] = $item;
}
return $result;
}
}
|
