Location\Bounds

Complexity

Total Complexity

16

Size/Duplication

Total Lines	111
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	2
Bugs	0	Features	0

9 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	getNorthWest()	0	4	1
A	getSouthEast()	0	4	1
A	getNorth()	0	4	1
A	getSouth()	0	4	1
A	getWest()	0	4	1
A	getEast()	0	4	1
A	getCenter()	0	6	1
B	getCenterLng()	0	20	8

<?php
/**
 * Coordinate Bounds Class
 *
 * PHP version 5.3
 *
 * @category  Location
 * @author    Marcus Jaschen <mjaschen@gmail.com>
 * @license   https://opensource.org/licenses/GPL-3.0 GPL
 * @link      https://github.com/mjaschen/phpgeo
 */

namespace Location;

use Location\Coordinate;

/**
 * Coordinate Bounds Class
 *
 * @category Location
 * @author   Marcus Jaschen <mjaschen@gmail.com>
 * @license  https://opensource.org/licenses/GPL-3.0 GPL
 * @link     https://github.com/mjaschen/phpgeo
 */
class Bounds
{
    /**
     * @var Coordinate
     */
    protected $northWest;

    /**
     * @var Coordinate
     */
    protected $southEast;

    /**
     * @param Coordinate $northWest
     * @param Coordinate $southEast
     */
    public function __construct(Coordinate $northWest, Coordinate $southEast)
    {
        $this->northWest = $northWest;
        $this->southEast = $southEast;
    }

    /**
     * Getter
     *
     * @return Coordinate
     */
    public function getNorthWest()
    {
        return $this->northWest;
    }

    /**
     * Getter
     *
     * @return Coordinate
     */
    public function getSouthEast()
    {
        return $this->southEast;
    }

    /**
     * @return float
     */
    public function getNorth()
    {
        return $this->northWest->getLat();
    }

    /**
     * @return float
     */
    public function getSouth()
    {
        return $this->southEast->getLat();
    }

    /**
     * @return float
     */
    public function getWest()
    {
        return $this->northWest->getLng();
    }

    /**
     * @return float
     */
    public function getEast()
    {
        return $this->southEast->getLng();
    }

    /**
     * Calculates the center of this bounds object and returns it as a
     * Coordinate instance.
     *
     * @return Coordinate
     */
    public function getCenter()
    {
        $centerLat = ($this->getNorth() + $this->getSouth()) / 2;

        return new Coordinate($centerLat, $this->getCenterLng());
    }

    /**
     * @return float
     */
    protected function getCenterLng()
    {
        $centerLng = ($this->getEast() + $this->getWest()) / 2;

        $overlap = $this->getWest() > 0 && $this->getEast() < 0;

        if ($overlap && $centerLng > 0) {
            return -180 + $centerLng;
        }

        if ($overlap && $centerLng < 0) {
            return 180 + $centerLng;
        }

        if ($overlap && $centerLng == 0) {
            return 180;
        }

        return $centerLng;
    }
}