tomzx\Graphp\VisJs\VisJs

Complexity

Total Complexity

4

Size/Duplication

Total Lines	45
Duplicated Lines	0 %

Coupling/Cohesion

Components	0
Dependencies	1

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

1 Method

Rating	Name	Duplication	Size	Complexity
B	getOutput()	0	38	4

<?php

namespace tomzx\Graphp\VisJs;

use Fhaculty\Graph\Edge\Directed;
use Fhaculty\Graph\Exporter\ExporterInterface;
use Fhaculty\Graph\Graph;

class VisJs implements ExporterInterface
{
	/**
	 * @param \Fhaculty\Graph\Graph $graph
	 * @return string
	 */
	public function getOutput(Graph $graph)
	{
		$vertices = [];
		/** @var \Fhaculty\Graph\Vertex $vertex */
		foreach ($graph->getVertices() as $vertex) {
			$data = [
				'id'    => $vertex->getId(),
			];

			$vertexAttribute = $vertex->getAttributeBag()->getAttributes();
			$data += $vertexAttribute;

			$vertices[] .= json_encode($data);
		}
		$output = 'var nodes = [' . PHP_EOL . implode(',' . PHP_EOL, $vertices) . PHP_EOL . '];' . PHP_EOL;

		$edges = [];
		/** @var \Fhaculty\Graph\Edge\Base $edge */
		foreach ($graph->getEdges() as $edge) {
			$vertices = $edge->getVertices()->getVector();
			$data = [
				'from' => $vertices[0]->getId(),
				'to'   => $vertices[1]->getId(),
			];

			if ($edge instanceof Directed) {
				$data['arrows'] = 'to';
			}

			$edgeAttributes = $edge->getAttributeBag()->getAttributes();
			$data += $edgeAttributes;

			$edges[] = json_encode($data);
		}
		$output .= 'var edges = [' . PHP_EOL . implode(',' . PHP_EOL, $edges) . PHP_EOL . '];';

		return $output;
	}
}