✨ Chat call basis

lib/models/call.dart

@@ -0,0 +1,49 @@
+import 'package:solian/models/channel.dart';
+
+class Call {
+  int id;
+  DateTime createdAt;
+  DateTime updatedAt;
+  DateTime? deletedAt;
+  DateTime? endedAt;
+  String externalId;
+  int founderId;
+  int channelId;
+  Channel channel;
+
+  Call({
+    required this.id,
+    required this.createdAt,
+    required this.updatedAt,
+    this.deletedAt,
+    this.endedAt,
+    required this.externalId,
+    required this.founderId,
+    required this.channelId,
+    required this.channel,
+  });
+
+  factory Call.fromJson(Map<String, dynamic> json) => Call(
+    id: json["id"],
+    createdAt: DateTime.parse(json["created_at"]),
+    updatedAt: DateTime.parse(json["updated_at"]),
+    deletedAt: json["deleted_at"],
+    endedAt: json["ended_at"] != null ? DateTime.parse(json["ended_at"]) : null,
+    externalId: json["external_id"],
+    founderId: json["founder_id"],
+    channelId: json["channel_id"],
+    channel: Channel.fromJson(json["channel"]),
+  );
+
+  Map<String, dynamic> toJson() => {
+    "id": id,
+    "created_at": createdAt.toIso8601String(),
+    "updated_at": updatedAt.toIso8601String(),
+    "deleted_at": deletedAt,
+    "ended_at": endedAt?.toIso8601String(),
+    "external_id": externalId,
+    "founder_id": founderId,
+    "channel_id": channelId,
+    "channel": channel.toJson(),
+  };
+}