Genkgo\Mail\Protocol\Imap\Request\SearchCriteria\FlagCriterion

Complexity

Total Complexity

5

Size/Duplication

Total Lines	49
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes

0

3 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	__toString()	0	14	3
A	negate()	0	6	1

<?php
declare(strict_types=1);

namespace Genkgo\Mail\Protocol\Imap\Request\SearchCriteria;

use Genkgo\Mail\Protocol\Imap\Flag;

/**
 * Class FlagCriterion
 * @package Genkgo\Mail\Protocol\Imap\Request\SearchCriteria
 */
final class FlagCriterion implements CriterionInterface
{
    /**
     * @var
     */
    private $flag;
    /**
     * @var bool
     */
    private $negate = false;

    /**
     * FlagCriterion constructor.
     * @param Flag $flag
     */
    public function __construct(Flag $flag)
    {
        $this->flag = $flag;
    }

    /**
     * @return string
     */
    public function __toString(): string
    {
        $prefix = $this->negate ? 'UN' : '';

        if ($this->flag->isKeyword()) {
            return \sprintf(
                '%sKEYWORD %s',
                $prefix,
                (string)$this->flag
            );
        }

        return $prefix . \strtoupper(substr((string)$this->flag, 1));
    }

    /**
     * @param Flag $flag
     * @return FlagCriterion
     */
    public static function negate(Flag $flag): self
    {
        $criterion = new self($flag);
        $criterion->negate = true;
        return $criterion;
    }
}