datatable.directory codebase
https://datatable.directory/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
115 lines
2.9 KiB
115 lines
2.9 KiB
<?php
|
|
|
|
|
|
namespace App\Utils;
|
|
|
|
|
|
use JsonSerializable;
|
|
use MightyPork\Exceptions\NotApplicableException;
|
|
use MightyPork\Utils\Utils;
|
|
|
|
/**
|
|
* Helper class representing one column in a data table.
|
|
*
|
|
* @property-read string $name
|
|
* @property-read string $title
|
|
* @property-read string $type
|
|
*/
|
|
class Column implements JsonSerializable
|
|
{
|
|
const colTypes = [
|
|
'int', 'bool', 'float', 'string'
|
|
];
|
|
|
|
private $name;
|
|
private $title;
|
|
private $type;
|
|
|
|
public static function columnsFromJson($columns)
|
|
{
|
|
return array_map(function ($x) {
|
|
return new Column($x);
|
|
}, $columns);
|
|
}
|
|
|
|
public function __get($name)
|
|
{
|
|
if (property_exists($this, $name)) {
|
|
return $this->$name;
|
|
}
|
|
|
|
throw new NotApplicableException("No such column property");
|
|
}
|
|
|
|
/**
|
|
* Create from object or array
|
|
*
|
|
* @param $obj
|
|
*/
|
|
public function __construct($obj)
|
|
{
|
|
$b = new \objBag($obj);
|
|
$this->name = $b->name;
|
|
$this->title = $b->title;
|
|
$this->type = $b->type;
|
|
|
|
if (!in_array($this->type, self::colTypes)) {
|
|
throw new NotApplicableException("\"$this->type\" is not a valid column type.");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @return array with keys {name, title, type}
|
|
*/
|
|
public function toArray()
|
|
{
|
|
return [
|
|
'name' => $this->name,
|
|
'title' => $this->title,
|
|
'type' => $this->type,
|
|
];
|
|
}
|
|
|
|
/**
|
|
* Convert a value to the target type, validating it in the process
|
|
*
|
|
* @param mixed $value
|
|
* @return bool|float|int|string
|
|
*/
|
|
public function cast($value)
|
|
{
|
|
switch ($this->type) {
|
|
case 'int':
|
|
if (is_int($value)) return $value;
|
|
if (is_float($value)) return round($value);
|
|
if (is_numeric($value)) return intval($value);
|
|
throw new NotApplicableException("Could not convert value \"$value\" to int!");
|
|
|
|
case 'float':
|
|
if (is_int($value) || is_float($value)) return (float)$value;
|
|
if (is_numeric($value)) return floatval($value);
|
|
throw new NotApplicableException("Could not convert value \"$value\" to float!");
|
|
|
|
case 'bool':
|
|
return Utils::parseBool($value);
|
|
|
|
case 'string':
|
|
return "$value";
|
|
|
|
default:
|
|
throw new \LogicException("Illegal column type: \"$this->type\"");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Specify data which should be serialized to JSON
|
|
* @link http://php.net/manual/en/jsonserializable.jsonserialize.php
|
|
* @return mixed data which can be serialized by <b>json_encode</b>,
|
|
* which is a value of any type other than a resource.
|
|
* @since 5.4.0
|
|
*/
|
|
public function jsonSerialize()
|
|
{
|
|
return $this->toArray();
|
|
}
|
|
}
|
|
|