From 8beec6fda376b842a9ddb7a2425829690f0a8b48 Mon Sep 17 00:00:00 2001
From: MaZderMind
Date: Sun, 11 Dec 2016 20:27:35 +0100
Subject: use DateTime objects for ends/startsAt

---
 command/download.php  | 32 +++++++++++++++++++++++++-------
 config.php            |  2 +-
 model/Conference.php  | 16 ++++++++++++----
 model/Conferences.php |  2 +-
 4 files changed, 39 insertions(+), 13 deletions(-)

diff --git a/command/download.php b/command/download.php
index 8cc2f53..cb0987d 100644
--- a/command/download.php
+++ b/command/download.php
@@ -15,14 +15,32 @@ if(isset($conf['REQUIRE_USER']))
 	}
 }
 
-foreach (Conferences::getConferences() as $conference)
+$conferences = Conferences::getConferences();
+
+if(isset($conf['MAX_CONFERENCE_AGE']))
 {
-	stdout('== %s ==', $conference->getSlug());
+	$months = intval($conf['MAX_CONFERENCE_AGE']);
+	$conferencesAfter = new DateTime();
+	$conferencesAfter->sub(new DateInterval('P'.$months.'D'));
 
-	if(isset($conf['MAX_CONFERENCE_AGE']))
-	{
-		date_diff()
-		return time() >= $this->endsAt();
-	}
+	stdout('Filtering before %s', $conferencesAfter->format('Y-m-d'));
+	$conferences = array_filter($conferences, function($conference) use ($conferencesAfter) {
+		$isBefore = $conference->endsAt() < $conferencesAfter;
+
+		if($isBefore) {
+			stdout(
+				'  %s: %s',
+				$conference->endsAt()->format('Y-m-d'),
+				$conference->getSlug()
+			);
+		}
 
+		return !$isBefore;
+	});
+}
+
+stdout('');
+foreach ($conferences as $conference)
+{
+	stdout('== %s ==', $conference->getSlug());
 }
diff --git a/config.php b/config.php
index 57be966..1b5e84f 100644
--- a/config.php
+++ b/config.php
@@ -61,5 +61,5 @@ $GLOBALS['CONFIG']['DOWNLOAD'] = [
 	 *
 	 * Auskommentieren, um alle Konferenzen zu beachten
 	 */
-	'MAX_CONFERENCE_AGE' => 30 /* Tage */,
+	'MAX_CONFERENCE_AGE' => 14 /* Tage */,
 ];
diff --git a/model/Conference.php b/model/Conference.php
index 07d72dd..ae5ab41 100644
--- a/model/Conference.php
+++ b/model/Conference.php
@@ -33,11 +33,17 @@ class Conference extends ModelBase
 	}
 
 	public function startsAt() {
-		return $this->get('CONFERENCE.STARTS_AT');
+		if(!$this->has('CONFERENCE.STARTS_AT'))
+			return null;
+
+		return DateTime::createFromFormat('U', $this->get('CONFERENCE.STARTS_AT'));
 	}
 
 	public function endsAt() {
-		return $this->get('CONFERENCE.ENDS_AT');
+		if(!$this->has('CONFERENCE.ENDS_AT'))
+			return null;
+
+		return DateTime::createFromFormat('U', $this->get('CONFERENCE.ENDS_AT'));
 	}
 
 	public function hasBegun() {
@@ -62,7 +68,8 @@ class Conference extends ModelBase
 		}
 
 		if($this->has('CONFERENCE.STARTS_AT')) {
-			return time() >= $this->get('CONFERENCE.STARTS_AT');
+			$now = new DateTime('now');
+			return $now >= $this->startsAt();
 		} else {
 			return true;
 		}
@@ -84,7 +91,8 @@ class Conference extends ModelBase
 		}
 
 		if($this->has('CONFERENCE.ENDS_AT')) {
-			return time() >= $this->get('CONFERENCE.ENDS_AT');
+			$now = new DateTime('now');
+			return $now >= $this->endsAt();
 		} else {
 			return false;
 		}
diff --git a/model/Conferences.php b/model/Conferences.php
index 2dc9f35..8de4029 100644
--- a/model/Conferences.php
+++ b/model/Conferences.php
@@ -48,7 +48,7 @@ class Conferences
 		$sorted = Conferences::getConferences();
 
 		usort($sorted, function($a, $b) {
-			return $b->startsAt() - $a->endsAt();
+			return $b->startsAt() > $a->endsAt() ? 1 : -1;
 		});
 
 		return $sorted;
-- 
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