TF-105 [BUG] Fix loading is blinking when reading email

model/lib/email/email_content.dart

@@ -1,30 +1,29 @@
 
 import 'package:equatable/equatable.dart';
-import 'package:jmap_dart_client/jmap/mail/email/email.dart';
-import 'package:jmap_dart_client/jmap/mail/email/email_body_part.dart';
-import 'package:jmap_dart_client/jmap/mail/email/email_body_value.dart';
+import 'package:jmap_dart_client/jmap/account_id.dart';
+import 'package:model/email/email_content_type.dart';
+import 'package:model/model.dart';
 
 class EmailContent with EquatableMixin {
 
-  final EmailId id;
-  final Set<EmailBodyPart>? htmlBody;
-  final Set<EmailBodyPart>? attachments;
-  final Map<PartId, EmailBodyValue>? bodyValues;
+  final String content;
+  final EmailContentType type;
 
-  EmailContent(
-    this.id,
-    {
-      this.htmlBody,
-      this.attachments,
-      this.bodyValues
-    }
-  );
+  EmailContent(this.type, this.content);
+
+  bool hasImageInlineWithCid() => content.contains('cid:');
+
+  String getContentHasInlineAttachment(String baseDownloadUrl, AccountId accountId, List<Attachment> attachments) {
+    var contentValid = content;
+    attachments.forEach((attachment) {
+      if(attachment.cid != null) {
+        final urlDownloadImage = attachment.getDownloadUrl(baseDownloadUrl, accountId);
+        contentValid = content.replaceAll('cid:${attachment.cid}', '$urlDownloadImage');
+      }
+    });
+    return contentValid;
+  }
 
   @override
-  List<Object?> get props => [
-    id,
-    htmlBody,
-    attachments,
-    bodyValues
-  ];
+  List<Object?> get props => [type, content];
 }