diff --git a/models/PhotoMosaic.php b/models/PhotoMosaic.php
index 901e8a0e..c3cf9cd0 100644
--- a/models/PhotoMosaic.php
+++ b/models/PhotoMosaic.php
@@ -8,10 +8,9 @@
 
 class PhotoMosaic
 {
-	private $queue = [];
-
 	const NUM_DAYS_CUTOFF = 7;
 	private AssetIterator $iterator;
+	private $queue = [];
 
 	public function __construct(AssetIterator $iterator)
 	{
@@ -23,21 +22,9 @@ class PhotoMosaic
 		$this->iterator->clean();
 	}
 
-	public static function getRecentPhotos()
+	private static function daysApart(Image $a, Image $b)
 	{
-		return new self(AssetIterator::getByOptions([
-			'tag' => 'photo',
-			'order' => 'date_captured',
-			'direction' => 'desc',
-			'limit' => 15, // worst case: 3 rows * (portrait + 4 thumbs)
-		]));
-	}
-
-	private static function matchTypeMask(Image $image, $type_mask)
-	{
-		return ($type_mask & Image::TYPE_PANORAMA)  && $image->isPanorama()  ||
-			   ($type_mask & Image::TYPE_LANDSCAPE) && $image->isLandscape() ||
-			   ($type_mask & Image::TYPE_PORTRAIT)  && $image->isPortrait();
+		return $a->getDateCaptured()->diff($b->getDateCaptured())->days;
 	}
 
 	private function fetchImage($desired_type = Image::TYPE_PORTRAIT | Image::TYPE_LANDSCAPE | Image::TYPE_PANORAMA, Image $refDateImage = null)
@@ -66,25 +53,14 @@ class PhotoMosaic
 		return false;
 	}
 
-	private function pushToQueue(Image $image)
+	public static function getRecentPhotos()
 	{
-		$this->queue[] = $image;
-	}
-
-	private static function orderPhotos(Image $a, Image $b)
-	{
-		// Show images of highest priority first.
-		$priority_diff = $a->getPriority() - $b->getPriority();
-		if ($priority_diff !== 0)
-			return -$priority_diff;
-
-		// In other cases, we'll just show the newest first.
-		return $a->getDateCaptured() <=> $b->getDateCaptured();
-	}
-
-	private static function daysApart(Image $a, Image $b)
-	{
-		return $a->getDateCaptured()->diff($b->getDateCaptured())->days;
+		return new self(AssetIterator::getByOptions([
+			'tag' => 'photo',
+			'order' => 'date_captured',
+			'direction' => 'desc',
+			'limit' => 15, // worst case: 3 rows * (portrait + 4 thumbs)
+		]));
 	}
 
 	public function getRow()
@@ -102,13 +78,13 @@ class PhotoMosaic
 
 		// Alright, let's initalise a proper row, then.
 		$photos = [$image];
-		$num_portrait  = $image->isPortrait()  ? 1 : 0;
+		$num_portrait = $image->isPortrait() ? 1 : 0;
 		$num_landscape = $image->isLandscape() ? 1 : 0;
 
 		// Get an initial batch of non-panorama images to work with.
 		for ($i = 1; $i < 3 && ($image = $this->fetchImage(Image::TYPE_LANDSCAPE | Image::TYPE_PORTRAIT, $image)); $i++)
 		{
-			$num_portrait  += $image->isPortrait()  ? 1 : 0;
+			$num_portrait += $image->isPortrait() ? 1 : 0;
 			$num_landscape += $image->isLandscape() ? 1 : 0;
 			$photos[] = $image;
 		}
@@ -171,4 +147,27 @@ class PhotoMosaic
 		else
 			return [$photos, 'landscapes'];
 	}
+
+	private static function matchTypeMask(Image $image, $type_mask)
+	{
+		return ($type_mask & Image::TYPE_PANORAMA) && $image->isPanorama() ||
+			  ($type_mask & Image::TYPE_LANDSCAPE) && $image->isLandscape() ||
+			  ($type_mask & Image::TYPE_PORTRAIT)  && $image->isPortrait();
+	}
+
+	private static function orderPhotos(Image $a, Image $b)
+	{
+		// Show images of highest priority first.
+		$priority_diff = $a->getPriority() - $b->getPriority();
+		if ($priority_diff !== 0)
+			return -$priority_diff;
+
+		// In other cases, we'll just show the newest first.
+		return $a->getDateCaptured() <=> $b->getDateCaptured();
+	}
+
+	private function pushToQueue(Image $image)
+	{
+		$this->queue[] = $image;
+	}
 }