wangjia
f1cf8f4b95
Inventory/InventoryLog fromJson 从嵌套对象读取字段： warehouse['name']、product['name'/'code'/'spec'/'unit'/'brand'/'min_stock'] Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
93 lines
2.8 KiB
Dart
93 lines
2.8 KiB
Dart
class Inventory {
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final int warehouseId;
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final String? warehouseName;
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final int productId;
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final String? productName;
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final String? productCode;
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final String? productSpec;
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final String? productUnit;
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final String? productBrand;
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final int? minStock;
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final double quantity;
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const Inventory({
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required this.warehouseId,
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this.warehouseName,
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required this.productId,
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this.productName,
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this.productCode,
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this.productSpec,
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this.productUnit,
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this.productBrand,
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this.minStock,
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required this.quantity,
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});
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factory Inventory.fromJson(Map<String, dynamic> json) {
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final warehouse = json['warehouse'] as Map<String, dynamic>?;
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final product = json['product'] as Map<String, dynamic>?;
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return Inventory(
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warehouseId: (json['warehouse_id'] as num).toInt(),
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warehouseName: warehouse?['name'] as String?,
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productId: (json['product_id'] as num).toInt(),
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productName: product?['name'] as String?,
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productCode: product?['code'] as String?,
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productSpec: product?['spec'] as String?,
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productUnit: product?['unit'] as String?,
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productBrand: product?['brand'] as String?,
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minStock: product?['min_stock'] != null
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? (product!['min_stock'] as num).toInt()
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: null,
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quantity: (json['quantity'] as num).toDouble(),
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);
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}
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}
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class InventoryLog {
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final int warehouseId;
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final String? warehouseName;
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final int productId;
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final String? productName;
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final String direction; // in | out
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final double quantity;
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final double? qtyBefore;
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final double? qtyAfter;
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final String? refType;
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final int? refId;
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final String? createdAt;
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const InventoryLog({
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required this.warehouseId,
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this.warehouseName,
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required this.productId,
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this.productName,
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required this.direction,
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required this.quantity,
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this.qtyBefore,
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this.qtyAfter,
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this.refType,
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this.refId,
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this.createdAt,
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});
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factory InventoryLog.fromJson(Map<String, dynamic> json) => InventoryLog(
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warehouseId: (json['warehouse_id'] as num).toInt(),
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warehouseName: (json['warehouse'] as Map<String, dynamic>?)?['name'] as String?,
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productId: (json['product_id'] as num).toInt(),
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productName: (json['product'] as Map<String, dynamic>?)?['name'] as String?,
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direction: json['direction'] as String,
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quantity: (json['quantity'] as num).toDouble(),
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qtyBefore: json['qty_before'] != null
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? (json['qty_before'] as num).toDouble()
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: null,
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qtyAfter: json['qty_after'] != null
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? (json['qty_after'] as num).toDouble()
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: null,
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refType: json['ref_type'] as String?,
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refId: json['ref_id'] != null
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? (json['ref_id'] as num).toInt()
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: null,
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createdAt: json['created_at'] as String?,
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);
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}
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