add structure

lib/vo/buyer.dart

@@ -0,0 +1,188 @@
+import 'package:cloud_firestore/cloud_firestore.dart';
+
+class Buyer {
+  String id;
+  String bizName;
+  String bizAddress;
+  String bizType;
+  int numOfShops;
+  String shopAddress;
+  String status;
+  String userName;
+  String userID;
+  String phoneNumber;
+  DateTime regDate;
+  List<BuyerProduct> buyerProducts = [];
+  String comment;
+  String nricFrontUrl;
+  String nricBackUrl;
+  int dailyQuota;
+  int maxQuota;
+  int dailyQuotaUsed;
+  int maxQuotaUsed;
+  Map<String, int> dailyQuotaUsedProducts;
+  Map<String, int> maxQuotaUsedProducts;
+
+  String get phone => phoneNumber != null && phoneNumber.startsWith("959")
+      ? "0${phoneNumber.substring(2)}"
+      : phoneNumber;
+      
+  Buyer(
+      {this.bizName,
+      this.bizAddress,
+      this.numOfShops,
+      this.status,
+      this.bizType,
+      this.regDate,
+      this.userName,
+      this.userID,
+      this.phoneNumber,
+      this.id,
+      this.comment,
+      this.nricBackUrl,
+      this.nricFrontUrl,
+      this.shopAddress,
+      this.dailyQuota,
+      this.maxQuota,
+      this.dailyQuotaUsed,
+      this.maxQuotaUsed,
+      this.dailyQuotaUsedProducts,
+      this.maxQuotaUsedProducts});
+
+  factory Buyer.fromJson(Map<String, dynamic> json) {
+    var _regDate = DateTime.parse(json['reg_date']);
+
+    return Buyer(
+        bizName: json['biz_name'],
+        bizAddress: json['biz_address'],
+        numOfShops: json['num_of_shops'],
+        shopAddress: json['shop_address'],
+        status: json['status'],
+        bizType: json['biz_type'],
+        regDate: _regDate,
+        userName: json['user_name'],
+        userID: json['user_id'],
+        phoneNumber: json['phone_number'],
+        id: json['id'],
+        comment: json['comment'],
+        nricBackUrl: json['nric_back_url'],
+        nricFrontUrl: json['nric_front_url']);
+  }
+
+  factory Buyer.fromMap(Map<String, dynamic> map, String id) {
+    var _regDate = (map['reg_date'] as Timestamp);
+    return Buyer(
+      id: id,
+      bizName: map['biz_name'],
+      bizAddress: map['biz_address'],
+      bizType: map['biz_type'],
+      numOfShops: map['num_of_shops'],
+      shopAddress: map['shop_address'],
+      status: map['status'],
+      userName: map['user_name'],
+      userID: map['user_id'],
+      phoneNumber: map['phone_number'],
+      nricFrontUrl: map['nric_front_url'],
+      nricBackUrl: map['nric_back_url'],
+      dailyQuota: map['daily_quota'],
+      maxQuota: map['max_quota'],
+      dailyQuotaUsed: map['daily_quota_used'] ?? 0,
+      maxQuotaUsed: map['max_quota_used'] ?? 0,
+      dailyQuotaUsedProducts:
+          Map.from(map['daily_quota_used_products'] ?? Map<String, int>()),
+      maxQuotaUsedProducts:
+          Map.from(map['max_quota_used_products'] ?? Map<String, int>()),
+      regDate: _regDate?.toDate(),
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    List products = buyerProducts.map((l) => l.toMap()).toList();
+    return {
+      'id': id,
+      'biz_name': bizName,
+      'biz_address': bizAddress,
+      'biz_type': bizType,
+      'num_of_shops': numOfShops,
+      'shop_address': shopAddress,
+      'buyer_products': products,
+      'user_name': userName,
+      'user_id': userID,
+      'phone_number': phoneNumber,
+      'comment': comment,
+      'nric_front_url': nricFrontUrl,
+      'nric_back_url': nricBackUrl,
+      'daily_quota': dailyQuota,
+      'max_quota': maxQuota,
+    };
+  }
+
+  bool isApproved() {
+    return status != null && status == "approved";
+  }
+
+  bool isPending() {
+    return status != null && status == "pending";
+  }
+
+  @override
+  String toString() {
+    return 'Buyer{bizName:$bizName,bizAddress:$bizAddress,numOfShops:$numOfShops,status:$status}';
+  }
+}
+
+class BuyerProduct {
+  String productID;
+  String productName;
+  int dailySaleQty;
+  int storageCapacityQty;
+  int dailyQuota;
+  int maxQuota;
+  String action;
+
+  BuyerProduct(
+      {this.productID,
+      this.productName,
+      this.dailySaleQty,
+      this.storageCapacityQty,
+      this.dailyQuota,
+      this.maxQuota,
+      this.action});
+
+  factory BuyerProduct.fromMap(Map<String, dynamic> map, String id) {
+    return BuyerProduct(
+      productID: map['product_id'],
+      productName: map['product_name'],
+      dailySaleQty: map['daily_sale_qty'],
+      storageCapacityQty: map['storage_capacity_qty'],
+      dailyQuota: map['daily_quota'],
+      maxQuota: map['max_quota'],
+    );
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'product_id': productID,
+      'product_name': productName,
+      'daily_sale_qty': dailySaleQty,
+      'storage_capacity_qty': storageCapacityQty,
+      'daily_quota': dailyQuota,
+      'max_quota': maxQuota,
+    };
+  }
+
+  @override
+  bool operator ==(other) {
+    if (identical(this, other)) {
+      return true;
+    }
+    return (other.productID == this.productID);
+  }
+
+  @override
+  int get hashCode {
+    int result = 17;
+    result = 37 * result + productID.hashCode;
+    return result;
+  }
+}