first commit

lib/model/balance_sheet_model.dart

@@ -0,0 +1,72 @@
+class BalanceSheetModel {
+  final num? totalAsset;
+  final List<AssetData>? data;
+
+  BalanceSheetModel({this.totalAsset, this.data});
+
+  factory BalanceSheetModel.fromJson(Map<String, dynamic> json) {
+    return BalanceSheetModel(
+      totalAsset: json["total_asset"],
+      data: json["asset_datas"] == null
+          ? []
+          : List<AssetData>.from(json["asset_datas"]!.map((x) => AssetData.fromJson(x))),
+    );
+  }
+}
+
+class AssetData {
+  final int? id;
+  final String? name;
+  final num? amount;
+
+  AssetData({this.id, this.name, this.amount});
+
+  factory AssetData.fromJson(Map<String, dynamic> json) {
+    final _source = json["source"]?.toString().trim().toLowerCase();
+    final _productType = json["product_type"]?.toString().trim().toLowerCase();
+
+    final String? _name = switch (_source) {
+      "product" => json["productName"],
+      "bank" => json["meta"]?["bank_name"] ?? "Bank Account",
+      _ => null,
+    };
+
+    num _amount = 0;
+
+    if (_source == "product") {
+      if (_productType == "single" || _productType == "variation") {
+        final stocks = json["stocks"];
+
+        if (stocks is List && stocks.isNotEmpty) {
+          final _firstStock = stocks.first as Map<String, dynamic>;
+
+          final _purchasePrice = (_firstStock["productPurchasePrice"] as num?) ?? 0;
+          final _stockQty = (_firstStock["productStock"] as num?) ?? 0;
+
+          _amount = _purchasePrice * _stockQty;
+        }
+      } else if (_productType == "combo") {
+        final comboProducts = json["combo_products"];
+
+        if (comboProducts is List) {
+          _amount = comboProducts.fold<num>(0, (sum, item) {
+            if (item is Map<String, dynamic>) {
+              final _price = (item["purchase_price"] as num?) ?? 0;
+              final _qty = (item["quantity"] as num?) ?? 0;
+              return sum + (_price * _qty);
+            }
+            return sum;
+          });
+        }
+      }
+    } else if (_source == "bank") {
+      _amount = (json["balance"] as num?) ?? 0;
+    }
+
+    return AssetData(
+      id: json["id"],
+      name: _name,
+      amount: _amount,
+    );
+  }
+}