120 lines
2.9 KiB
PHP
120 lines
2.9 KiB
PHP
<?php
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namespace FormatTalksBundle\Twig;
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use Illuminate\Support\Collection;
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use Twig_Extension;
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use Twig_SimpleFilter;
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class FormatTalksExtension extends Twig_Extension
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{
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/**
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* @var string The current date.
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*/
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private $today;
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/**
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* {@inheritdoc}
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*/
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public function getFilters()
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{
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$this->today = (new \DateTime())->format('Y-m-d');
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return [
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new Twig_SimpleFilter('all_talks', [$this, 'getAll']),
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new Twig_SimpleFilter('upcoming_talks', [$this, 'getUpcoming']),
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new Twig_SimpleFilter('past_talks', [$this, 'getPast']),
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];
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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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* Used to display the talk table on a specific talk page.
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*
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* @param array $data An associative array of talk and event data.
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*
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* @return array
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*/
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public function getAll(array $data) {
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return $this->sort($this->format($data));
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}
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/**
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* Get all upcoming talks.
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*
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* Used on the main talks page.
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*
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* @param array $data The talk and event data.
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*
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* @return array
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*/
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public function getUpcoming(array $data) {
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$talks = $this->format($data)->filter(function ($talk) {
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return $talk['event']['date'] >= $this->today;
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});
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return $this->sort($talks);
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}
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/**
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* Get all past talks.
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*
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* Used on the main talks page and the talks archive.
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*
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* @param array $data The talk and event data.
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*
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* @return array
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*/
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public function getPast(array $data) {
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$talks = $this->format($data)->filter(function ($talk) {
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return $talk['event']['date'] < $this->today;
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});
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return $this->sort($talks);
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}
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/**
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* Format the talk data into the required format.
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*
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* @param array $data The talk and event data.
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*
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* @return Collection The event and talk data.
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*/
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public function format(array $data)
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{
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$events = collect($data['events']);
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return collect($data['talks'])->flatMap(function ($talk) use ($events) {
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// Build an associative array with the talk, as well as the
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// specified event data (e.g. date and time) as well as the shared
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// event data (e.g. event name and website).
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return collect($talk['events'])->map(function ($event) use ($talk, $events) {
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$event = collect($event);
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$event = $event->merge($events->get($event->get('event')));
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return compact('event', 'talk');
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});
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});
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}
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/**
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* Sort and return the talks.
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*
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* @param Collection $talks The talk data.
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*
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* @return array
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*/
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private function sort(Collection $talks)
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{
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return $talks->sortByDesc('event.date')->all();
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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 'format_talks';
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}
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}
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