From 68fd99ad5ec7f0bba3966f7d5113c69e35934a1e Mon Sep 17 00:00:00 2001
From: dab246 <tdvu@linagora.com>
Date: Wed, 20 Jul 2022 16:49:12 +0700
Subject: [PATCH] TF-725 Generate html image tag with base64 data

---
 .../extensions/html_extension.dart            | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/core/lib/presentation/extensions/html_extension.dart b/core/lib/presentation/extensions/html_extension.dart
index 266eb9cc6..18329ec64 100644
--- a/core/lib/presentation/extensions/html_extension.dart
+++ b/core/lib/presentation/extensions/html_extension.dart
@@ -46,4 +46,30 @@ extension HtmlExtension on String {
     }
     return this;
   }
+
+  String generateImageBase64(
+      String cid,
+      String extension,
+      String fileName, {
+      double? maxWithEditor
+  }) {
+    var newExtension = extension;
+    if (newExtension == 'svg') {
+      newExtension = 'svg+xml';
+    }
+    var base64Data = this;
+    if (!base64Data.endsWith('==')) {
+      base64Data.append('==');
+    }
+    var newFileName = fileName;
+    if (newFileName.contains('.')) {
+      newFileName = newFileName.split('.').first;
+    }
+    final style = maxWithEditor != null && maxWithEditor > 0
+        ? 'style="max-width: ${maxWithEditor}px;"'
+        : '';
+    final src = 'data:image/$newExtension;base64,$base64Data';
+
+    return '<img src="$src" alt="$newFileName" id="$cid" $style />';
+  }
 }
\ No newline at end of file