Add placeholders for ebooks

lib/Exceptions/DuplicateEbookException.php

@@ -0,0 +1,10 @@
+<?
+namespace Exceptions;
+
+class DuplicateEbookException extends AppException{
+	public function __construct(string $identifier){
+		$this->message = 'Ebook already exists with identifier: ' . $identifier;
+
+		parent::__construct($this->message);
+	}
+}

lib/Exceptions/EbookCreatedDatetimeRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookCreatedDatetimeRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'EbookCreated datetime required.';
-}

lib/Exceptions/EbookDescriptionRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookDescriptionRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook Description required.';
-}

lib/Exceptions/EbookLanguageRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookLanguageRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook language required.';
-}

lib/Exceptions/EbookLongDescriptionRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookLongDescriptionRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook LongDescription required.';
-}

lib/Exceptions/EbookMissingPlaceholderException.php

@@ -0,0 +1,7 @@
+<?
+namespace Exceptions;
+
+class EbookMissingPlaceholderException extends AppException{
+	/** @var string $message */
+	protected $message = 'Ebook is a placeholder, but has no placeholder object.';
+}

lib/Exceptions/EbookReadingEaseRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookReadingEaseRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook ReadingEase required.';
-}

lib/Exceptions/EbookRepoFilesystemPathRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookRepoFilesystemPathRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook RepoFilesystemPath required.';
-}

lib/Exceptions/EbookTextSinglePageByteCountRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookTextSinglePageByteCountRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook TextSinglePageByteCount required.';
-}

lib/Exceptions/EbookUnexpectedPlaceholderException.php

@@ -0,0 +1,7 @@
+<?
+namespace Exceptions;
+
+class EbookUnexpectedPlaceholderException extends AppException{
+	/** @var string $message */
+	protected $message = 'Ebook is not a placeholder, but has a placeholder object.';
+}

lib/Exceptions/EbookUpdatedDatetimeRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookUpdatedDatetimeRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'EbookUpdated datetime required.';
-}

lib/Exceptions/EbookWordCountRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookWordCountRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook WordCount required.';
-}

lib/Exceptions/EbookWwwFilesystemPathRequiredException.php

@@ -1,7 +0,0 @@
-<?
-namespace Exceptions;
-
-class EbookWwwFilesystemPathRequiredException extends AppException{
-	/** @var string $message */
-	protected $message = 'Ebook WwwFilesystemPath required.';
-}

lib/Exceptions/InvalidEbookIdentifierException.php

@@ -0,0 +1,5 @@
+<?
+namespace Exceptions;
+
+class InvalidEbookIdentifierException extends AppException{
+}

lib/Exceptions/InvalidEbookPlaceholderYearPublishedException.php

@@ -0,0 +1,7 @@
+<?
+namespace Exceptions;
+
+class InvalidEbookPlaceholderYearPublishedException extends AppException{
+	/** @var string $message */
+	protected $message = 'Invalid ebook placeholder year published.';
+}