119 lines
3.3 KiB
PHP
119 lines
3.3 KiB
PHP
<?php
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namespace App\Talk\TwigExtension;
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use Sculpin\Contrib\ProxySourceCollection\ProxySourceCollection;
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use Tightenco\Collect\Support\Collection;
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use Twig\Extension\AbstractExtension;
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use Twig\TwigFilter;
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use Twig\TwigFunction;
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class TalksExtension extends AbstractExtension
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{
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/**
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* @var int The current date.
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*/
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private $today;
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public function __construct()
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{
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$this->today = (new \DateTime())
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->modify('today')
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->setTimezone(new \DateTimeZone('Europe/London'))
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->getTimestamp();
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}
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/**
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* {@inheritdoc}
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*/
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public function getFunctions()
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{
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return [
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new TwigFunction('get_all_talks', [$this, 'getAllTalks']),
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new TwigFunction('get_upcoming_talks', [$this, 'getUpcomingTalks']),
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new TwigFunction('get_past_talks', [$this, 'getPastTalks']),
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new TwigFunction('get_past_talk_count', [$this, 'getPastTalkCount']),
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new TwigFunction('get_events_for_talk', [$this, 'getEventsForTalk']),
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];
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}
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/**
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* {@inheritdoc}
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*/
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public function getName()
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{
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return 'app.talks';
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}
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/**
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* Get all upcoming and previous talks.
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*
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* @param ProxySourceCollection|array $talks All talk nodes.
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*
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* @return Collection A sorted collection of talks.
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*/
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public function getAllTalks($talks): Collection
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{
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return (new Collection($talks))->sortBy(function ($talk) {
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return $this->getLastDate($talk);
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});
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}
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public function getUpcomingTalks(array $talks): Collection
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{
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return $this->getAllTalks($talks)->filter(function ($talk): bool {
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return $this->getLastDate($talk) >= $this->today;
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})->values();
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}
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public function getPastTalks(array $talks): Collection
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{
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return $this->getAllTalks($talks)->filter(function ($talk): bool {
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return $this->getLastDate($talk) < $this->today;
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})->values();
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}
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public function getAllEvents($talks): Collection
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{
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return $this->eventsFromTalks($talks);
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}
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public function getPastEvents($talks): Collection
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{
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return $this->eventsFromTalks($talks)->filter(function ($event): bool {
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return $event['date'] < $this->today;
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})->sortBy('date');
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}
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public function getPastTalkCount($talks): int
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{
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return $this->getPastEvents($talks)->count();
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}
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public function getEventsForTalk(array $talk, array $eventData): Collection
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{
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return (new Collection($talk['events']))
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->map(function (array $event) use ($eventData): Collection {
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return (new Collection($eventData[$event['event']]))->merge($event);
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})
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->filter(function (Collection $event): bool {
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return !empty($event->get('date'));
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})
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->sortBy('date');
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}
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private function getLastDate($talk): string
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{
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return $this->eventsFromTalks(new Collection([$talk]))
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->pluck('date')->max();
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}
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private function eventsFromTalks($talks): Collection
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{
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return (new Collection($talks))->flatMap(function ($talk): array {
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return $talk['events'];
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})->filter(function ($event): bool {
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return !empty($event['date']);
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});
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}
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}
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