Add automatic agenda on front page.

src/pvv/side/activity.php

@@ -1,7 +1,7 @@
 <?php //declare(strict_types=1);
 namespace pvv\side;
 
-use \DateTime;
+use \DateTimeImmutable;
 
 interface Activity {
 

src/pvv/side/agenda.php

@@ -0,0 +1,83 @@
+<?php //declare(strict_types=1);
+namespace pvv\side;
+
+use \pvv\side\social\NerdepitsaActivity;
+use \pvv\side\social\AnimekveldActivity;
+
+use \DateTimeImmutable;
+use \DateInterval;
+
+class Agenda {
+
+	const TODAY = 0;
+	const TOMORROW = 1;
+	const THIS_WEEK = 2;
+	const THIS_MONTH = 3;
+	const NEXT_MONTH = 4;
+
+	public function __construct() {
+		$this->activities = [
+			new NerdepitsaActivity,
+			new AnimekveldActivity,
+		];
+	}
+
+	public function getEventsBetween(DateTimeImmutable $from, DateTimeImmutable $to) {
+		$results = [[], []];
+		do {
+			$run = false;
+			for($i = 0; $i < sizeof($this->activities); $i++) {
+				if (sizeof($results[$i])) {
+					$date = end($results[$i])->getStop();
+				} else {
+					$date = $from;
+				}
+				$next = $this->activities[$i]->getNextEventFrom($date);
+				if (isset($next) && $next->getStart() < $to) {
+					$results[$i][] = $this->activities[$i]->getNextEventFrom($date);
+					$run = true;
+				}
+			}
+		} while ($run);
+		$result = [];
+		foreach($results as $a) foreach($a as $b) $result[] = $b;
+		usort($result, function($a, $b) {
+			return ($a->getStart() < $b->getStart()) ? -1 : 1;
+		});
+		return $result;
+	}
+
+	public function getNextDays() {
+		$result = [[], [], [], [], []];
+		$events = $this->getEventsBetween(
+				(new DateTimeImmutable)->sub(new DateInterval('PT1H')), 
+				(new DateTimeImmutable)->add(new DateInterval('P1M'))
+			);
+		foreach ($events as $event) {
+			$index = self::NEXT_MONTH;
+			if (self::isToday($event->getStart())) $index = self::TODAY;
+			elseif (self::isTomorrow($event->getStart())) $index = self::TOMORROW;
+			elseif (self::isThisWeek($event->getStart())) $index = self::THIS_WEEK;
+			elseif (self::isThisMonth($event->getStart())) $index = self::THIS_MONTH;
+			$result[$index][] = $event;
+		}
+		return $result;
+	}
+
+	public static function isToday(DateTimeImmutable $date) {
+		return $date->format('dmY') == date('dmY');
+	}
+
+	public static function isTomorrow(DateTimeImmutable $date) {
+		return $date->sub(new DateInterval('P1D'))->format('dmY') == date('dmY');
+	}
+
+	public static function isThisWeek(DateTimeImmutable $date) {
+		return $date->format('WY') == date('WY');
+	}
+
+	public static function isThisMonth(DateTimeImmutable $date) {
+		return $date->format('mY') == date('mY');
+	}
+
+}

src/pvv/side/event.php

@@ -1,10 +1,20 @@
 <?php //declare(strict_types=1);
 namespace pvv\side;
 
-interface Event extends Activity {
+use \DateTimeImmutable;
 
-	public function getStart(); /* : DateTime */
+abstract class Event implements Activity {
 
-	public function getStop(); /* : DateTime */
+	private $start;
+
+	public function __construct(DateTimeImmutable $start) {
+		$this->start = $start;
+	}
+
+	public function getStart() {
+		return $this->start;
+	}
+
+	public abstract function getStop(); /* : DateTimeImmutable */
 
 }

src/pvv/side/social/animekveldactivity.php

@@ -1,10 +1,11 @@
 <?php //declare(strict_types=1);
 namespace pvv\side\social;
 
+use \pvv\side\RepeatingActivity;
 use \DateTimeImmutable;
 use \DateInterval;
 
-class AnimekveldActivity  {
+class AnimekveldActivity implements RepeatingActivity {
 
 	public function nextDate(DateTimeImmutable $date) {
 		if ($date->format('H') > 20 || $date->format('H') == 19 && $date->format('i') > 30)

src/pvv/side/social/animekveldevent.php

@@ -0,0 +1,26 @@
+<?php //declare(strict_types=1);
+namespace pvv\side\social;
+
+use \pvv\side\Event;
+
+use \DateInterval;
+
+class AnimekveldEvent extends Event {
+
+	public function getStop() {
+		return $this->getStart()->add(new DateInterval('PT4H1800S'));
+	}
+
+	public function getName() /* : string */ {
+		return "Animekveld";
+	}
+
+	public function getLocation() /* : Location */ {
+		return "Peppes Kjøpmansgata";
+	}
+
+	public function getOrganiser() /* : User */ {
+		return "Anders Christensen";
+	}
+
+}

src/pvv/side/social/nerdepitsaevent.php

@@ -0,0 +1,26 @@
+<?php //declare(strict_types=1);
+namespace pvv\side\social;
+
+use \pvv\side\Event;
+
+use \DateInterval;
+
+class NerdepitsaEvent extends Event {
+
+	public function getStop() {
+		return $this->getStart()->add(new DateInterval('PT2H1800S'));
+	}
+
+	public function getName() {
+		return "Nerdepitsa";
+	}
+
+	public function getLocation() /* : Location */ {
+		return "Peppes Kjøpmansgata";
+	}
+
+	public function getOrganiser() /* : User */ {
+		return "Anders Christensen";
+	}
+
+}