Allow admin to view collection metadata

lib/Benefits.php

@@ -15,6 +15,7 @@ class Benefits{
 	public bool $CanReviewArtwork = false;
 	public bool $CanReviewOwnArtwork = false;
 	public bool $CanEditUsers = false;
+	public bool $CanEditCollections = false;
 	public bool $CanCreateEbookPlaceholders = false;
 
 	protected bool $_HasBenefits;

lib/Collection.php

@@ -3,6 +3,7 @@ use function Safe\preg_replace;
 
 /**
  * @property string $Url
+ * @property array<Ebook> $Ebooks
  */
 class Collection{
 	use Traits\Accessor;
@@ -13,7 +14,9 @@ class Collection{
 	public ?Enums\CollectionType $Type = null;
 	public bool $ArePlaceholdersComplete; /** Has a producer verified that every possible item in this `Collection` been added to our database? */
 
-	protected ?string $_Url = null;
+	protected string $_Url;
+	/** @var array<Ebook> $_Ebooks */
+	protected array $_Ebooks;
 
 
 	// *******
@@ -21,13 +24,24 @@ class Collection{
 	// *******
 
 	protected function GetUrl(): string{
-		if($this->_Url === null){
+		if(!isset($this->_Url)){
 			$this->_Url = '/collections/' . $this->UrlName;
 		}
 
 		return $this->_Url;
 	}
 
+	/**
+	 * @return array<Ebook>
+	 */
+	protected function GetEbooks(): array{
+		if(!isset($this->_Ebooks)){
+			$this->_Ebooks = Ebook::GetAllByCollection($this->CollectionId);
+		}
+
+		return $this->_Ebooks;
+	}
+
 
 	// ***********
 	// ORM METHODS
@@ -57,6 +71,23 @@ class Collection{
 		return $result[0] ?? throw new Exceptions\CollectionNotFoundException();;
 	}
 
+	/**
+	 * @throws Exceptions\CollectionNotFoundException
+	 */
+	public static function GetByUrlName(?string $urlName): Collection{
+		if($urlName === null){
+			throw new Exceptions\CollectionNotFoundException();
+		}
+
+		$result = Db::Query('
+				SELECT *
+				from Collections
+				where UrlName = ?
+			', [$urlName], Collection::class);
+
+		return $result[0] ?? throw new Exceptions\CollectionNotFoundException();;
+	}
+
 	/**
 	 * @return array<Collection>
 	 */

lib/Ebook.php

@@ -2020,17 +2020,17 @@ class Ebook{
 	 * Queries for books in a collection.
 	 *
 	 * Puts ebooks without a `SequenceNumber` at the end of the list, which is more common in a collection with both published and placeholder ebooks.
+	 *
 	 * @return array<Ebook>
 	 */
-	public static function GetAllByCollection(string $collection): array{
+	public static function GetAllByCollection(int $collectionId): array{
 		$ebooks = Db::Query('
 				SELECT e.*
 				from Ebooks e
 				inner join CollectionEbooks ce using (EbookId)
-				inner join Collections c using (CollectionId)
-				where c.UrlName = ?
+				where ce.CollectionId = ?
 				order by ce.SequenceNumber is null, ce.SequenceNumber, e.EbookCreated desc
-				', [$collection], Ebook::class);
+				', [$collectionId], Ebook::class);
 
 		return $ebooks;
 	}