[FEATURE] Adds mulitlanguage to the author, because of the description

Configuration/TCA/tx_sgnews_domain_model_author.php

@@ -40,10 +40,14 @@ return [
 			'disabled' => 'hidden',
 		],
 		'default_sortby' => 'crdate DESC',
+		'languageField' => 'sys_language_uid',
+		'transOrigPointerField' => 'l10n_parent',
+		'transOrigDiffSourceField' => 'l10n_diffsource',
 		'iconfile' => 'EXT:sg_news/Resources/Public/Icons/module-sgnews.svg'
 	],
 	'interface' => [
-		'showRecordFieldList' => 'hidden, crdate, name, email, description, website, image, path_segment',
+		'showRecordFieldList' => 'sys_language_uid, l10n_parent, l10n_diffsource, hidden, crdate, name, email, 
+			description, website, image, path_segment',
 	],
 	'types' => [
 		'1' => [
@@ -76,13 +80,53 @@ return [
 		],
 		'hidden' => [
 			'exclude' => TRUE,
+			'l10n_mode' => 'exclude',
 			'label' => 'LLL:EXT:frontend/Resources/Private/Language/locallang_ttc.xlf:hidden.I.0',
 			'config' => [
 				'type' => 'check',
 			],
 		],
+		'sys_language_uid' => [
+			'exclude' => TRUE,
+			'label' => 'LLL:EXT:core/Resources/Private/Language/locallang_general.xlf:LGL.language',
+			'config' => [
+				'type' => 'select',
+				'renderType' => 'selectSingle',
+				'special' => 'languages',
+				'default' => 0,
+				'items' => [
+					[
+						'LLL:EXT:core/Resources/Private/Language/locallang_general.xlf:LGL.allLanguages',
+						-1,
+						'flags-multiple'
+					]
+				]
+			]
+		],
+		'l10n_parent' => [
+			'displayCond' => 'FIELD:sys_language_uid:>:0',
+			'exclude' => TRUE,
+			'label' => 'LLL:EXT:lang/Resources/Private/Language/locallang_general.xlf:LGL.l18n_parent',
+			'config' => [
+				'type' => 'select',
+				'renderType' => 'selectSingle',
+				'items' => [
+					['', 0]
+				],
+				'foreign_table' => 'tx_sgnews_domain_model_author',
+				'foreign_table_where' => 'AND tx_sgnews_domain_model_author.uid=###REC_FIELD_l10n_parent### AND tx_sgnews_domain_model_author.sys_language_uid IN (-1,0)',
+				'default' => 0
+			]
+		],
+		'l10n_diffsource' => [
+			'config' => [
+				'type' => 'passthrough',
+				'default' => ''
+			]
+		],
 		'website' => [
 			'exclude' => FALSE,
+			'l10n_mode' => 'exclude',
 			'label' => 'LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:tx_sgnews_domain_model_author.website',
 			'config' => [
 				'type' => 'input',
@@ -92,6 +136,7 @@ return [
 		],
 		'name' => [
 			'exclude' => FALSE,
+			'l10n_mode' => 'exclude',
 			'label' => 'LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:tx_sgnews_domain_model_author.name',
 			'config' => [
 				'type' => 'input',
@@ -101,6 +146,7 @@ return [
 		],
 		'email' => [
 			'exclude' => FALSE,
+			'l10n_mode' => 'exclude',
 			'label' => 'LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:tx_sgnews_domain_model_author.email',
 			'config' => [
 				'type' => 'input',
@@ -120,6 +166,7 @@ return [
 		],
 		'image' => [
 			'exclude' => TRUE,
+			'l10n_mode' => 'exclude',
 			'label' => 'LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:tx_sgnews_domain_model_author.image',
 			'config' => \TYPO3\CMS\Core\Utility\ExtensionManagementUtility::getFileFieldTCAConfig(
 				'files', [
@@ -133,6 +180,7 @@ return [
 		],
 		'path_segment' => [
 			'label' => 'LLL:EXT:sg_news/Resources/Private/Language/locallang_db.xlf:tx_sgnews_domain_model_author.path_segment',
+			'l10n_mode' => 'exclude',
 			'config' => [
 				'type' => 'slug',
 				'generatorOptions' => [

ext_tables.sql

@@ -39,6 +39,11 @@ CREATE TABLE tx_sgnews_domain_model_author (
 	deleted tinyint(4) unsigned DEFAULT '0' NOT NULL,
 	hidden tinyint(4) unsigned DEFAULT '0' NOT NULL,
 
+	sys_language_uid int(11) DEFAULT '0' NOT NULL,
+	l10n_parent int(11) DEFAULT '0' NOT NULL,
+	l10n_diffsource mediumblob,
+
 	PRIMARY KEY (uid),
-	KEY parent (pid)
+	KEY parent (pid),
+	KEY language (l10n_parent,sys_language_uid)
 );