channel and message lists

flutter/lib/models/subscription.dart

@@ -0,0 +1,43 @@
+class Subscription {
+  final String subscriptionID;
+  final String subscriberUserID;
+  final String channelOwnerUserID;
+  final String channelID;
+  final String channelInternalName;
+  final String timestampCreated;
+  final bool confirmed;
+
+  const Subscription({
+    required this.subscriptionID,
+    required this.subscriberUserID,
+    required this.channelOwnerUserID,
+    required this.channelID,
+    required this.channelInternalName,
+    required this.timestampCreated,
+    required this.confirmed,
+  });
+
+  factory Subscription.fromJson(Map<String, dynamic> json) {
+    return switch (json) {
+      {
+        'subscription_id': String subscriptionID,
+        'subscriber_user_id': String subscriberUserID,
+        'channel_owner_user_id': String channelOwnerUserID,
+        'channel_id': String channelID,
+        'channel_internal_name': String channelInternalName,
+        'timestamp_created': String timestampCreated,
+        'confirmed': bool confirmed,
+      } =>
+        Subscription(
+          subscriptionID: subscriptionID,
+          subscriberUserID: subscriberUserID,
+          channelOwnerUserID: channelOwnerUserID,
+          channelID: channelID,
+          channelInternalName: channelInternalName,
+          timestampCreated: timestampCreated,
+          confirmed: confirmed,
+        ),
+      _ => throw const FormatException('Failed to decode Subscription.'),
+    };
+  }
+}