feat(app): clean architecture with typed repositories, DTO models and calendar event logos

FinlyticApp/lib/features/calendar/models/corporate_event_model.dart

@@ -8,6 +8,8 @@ class CorporateEventModel extends Equatable {
   final String eventType;
   final DateTime eventDate;
   final String description;
+  final String? image;
+  final String? ticker;
 
   const CorporateEventModel({
     required this.id,
@@ -17,6 +19,8 @@ class CorporateEventModel extends Equatable {
     required this.eventDate,
     required this.description,
     required this.isin,
+    this.image,
+    this.ticker,
   });
 
   factory CorporateEventModel.fromJson(Map<String, dynamic> json) {
@@ -37,9 +41,12 @@ class CorporateEventModel extends Equatable {
       }
     }
 
+    final isinVal = json['isin']?.toString() ?? json['Isin']?.toString() ?? '';
+    final imageVal = json['image']?.toString() ?? json['Image']?.toString() ?? (isinVal.isNotEmpty ? '/api/v1/logo/$isinVal' : null);
+
     return CorporateEventModel(
       id: json['id']?.toString() ?? json['Id']?.toString() ?? '',
-      isin: json['isin']?.toString() ?? json['Isin']?.toString() ?? '',
+      isin: isinVal,
       symbol: json['symbol']?.toString() ?? json['Symbol']?.toString() ?? '',
       companyName: json['companyName']?.toString() ??
           json['CompanyName']?.toString() ??
@@ -50,6 +57,8 @@ class CorporateEventModel extends Equatable {
       description: json['description']?.toString() ??
           json['Description']?.toString() ??
           '',
+      image: imageVal,
+      ticker: json['ticker']?.toString() ?? json['Ticker']?.toString(),
     );
   }
 
@@ -62,10 +71,12 @@ class CorporateEventModel extends Equatable {
       'eventType': eventType,
       'eventDate': eventDate.toIso8601String(),
       'description': description,
+      if (image != null) 'image': image,
+      if (ticker != null) 'ticker': ticker,
     };
   }
 
   @override
   List<Object?> get props =>
-      [id, symbol, companyName, eventType, eventDate, description];
+      [id, symbol, companyName, eventType, eventDate, description, isin, image, ticker];
 }