add structure

lib/vo/po.dart

@@ -0,0 +1,260 @@
+import 'dart:ui';
+
+import 'package:cloud_firestore/cloud_firestore.dart';
+import 'package:charts_flutter/flutter.dart' as charts;
+import 'package:flutter/foundation.dart';
+import 'package:flutter/material.dart';
+
+import 'do.dart';
+
+class POSubmission {
+  String id;
+  DateTime poDate;
+  String poNumber;
+  String status;
+  String poReceiptUrl;
+  List<String> poReceiptUrls;
+  String storageReceiptUrl;
+  int storageCharge;
+  int amount;
+  String userID;
+  String userName;
+  String comment;
+  String bizName;
+  DateTime poApproveDate;
+
+  List<POLine> poLines = [];
+  List<DOSubmission> dos = [];
+
+  int get getAmount => poLines.fold(0, (p, e) => p + e.amount);
+
+  POSubmission(
+      {this.id,
+      this.poDate,
+      this.poNumber,
+      this.status,
+      this.poReceiptUrl,
+      this.storageReceiptUrl,
+      this.storageCharge = 0,
+      this.amount = 0,
+      this.userID,
+      this.userName,
+      this.comment,
+      this.bizName,
+      this.poApproveDate,
+      this.poReceiptUrls});
+
+  bool isPending() {
+    return status == "pending";
+  }
+
+  bool isApproved() {
+    return status == "approved";
+  }
+
+  bool allowSingleType() {
+    return dos.length == 0;
+  }
+
+  bool hasStorageCharge() {
+    return this.storageCharge != null && this.storageCharge > 0;
+  }
+
+  bool hasStorageReceipt() {
+    return this.storageReceiptUrl != null && this.storageReceiptUrl != "";
+  }
+
+  bool hasPaymentReceipt() {
+    return (this.poReceiptUrl != null && this.poReceiptUrl != "") ||
+        (this.poReceiptUrls != null && this.poReceiptUrls.length > 0);
+  }
+
+  factory POSubmission.fromMap(Map<String, dynamic> map, String id) {
+    var ts = (map['po_date'] as Timestamp);
+    var poAppovetTS = (map['po_approved_date'] as Timestamp);
+    var poReceiptUrls = (map['po_receipt_urls'] as List);
+    if (poReceiptUrls != null) {
+      poReceiptUrls = List<String>.from(poReceiptUrls);
+    } else {
+      poReceiptUrls = new List<String>();
+    }
+    String receiptURL = map['po_receipt_url'];
+    if (receiptURL != null && receiptURL != "") {
+      poReceiptUrls.add(receiptURL);
+    }
+    return POSubmission(
+        id: id,
+        poDate: ts == null ? null : ts.toDate(),
+        poNumber: map['po_number'],
+        status: map['status'],
+        poReceiptUrl: map['po_receipt_url'],
+        storageReceiptUrl: map['storage_receipt_url'],
+        storageCharge: map["storage_charge"],
+        userID: map["user_id"],
+        userName: map["user_name"],
+        comment: map["comment"],
+        bizName: map['biz_name'],
+        poApproveDate: poAppovetTS == null ? null : poAppovetTS.toDate(),
+        poReceiptUrls: poReceiptUrls == null ? null : poReceiptUrls,
+        amount: map['amount']);
+  }
+
+  Map<String, dynamic> toMap() {
+    List lines = poLines.map((l) => l.toMap()).toList();
+    return {
+      "id": id,
+      'po_receipt_url': poReceiptUrl,
+      'storage_receipt_url': storageReceiptUrl,
+      'po_receipt_urls': poReceiptUrls,
+      'po_lines': lines,
+      'comment': comment,
+    };
+  }
+
+  @override
+  bool operator ==(other) {
+    if (identical(this, other)) {
+      return true;
+    }
+    return other.id == this.id;
+  }
+
+  @override
+  int get hashCode {
+    int result = 17;
+    result = 37 * result + id.hashCode;
+    return result;
+  }
+
+  @override
+  String toString() {
+    return 'POSubmission{id:$id, poDate:$poDate,poNumber:$poNumber,dos:$dos,poLines:$poLines,status:$status}';
+  }
+}
+
+class POLine {
+  String productID;
+  String productName;
+  int qty;
+  int balanceQty;
+  int deliveryBalanceQty;
+  int amount;
+  int price;
+  int deliveryBalQty;
+
+  String action;
+  int displayOrder;
+
+  POLine(
+      {this.productID,
+      this.productName,
+      this.qty,
+      this.amount,
+      this.price,
+      this.balanceQty,
+      this.action,
+      this.displayOrder,
+      this.deliveryBalQty});
+
+  @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;
+  }
+
+  Map<String, dynamic> toMap() {
+    return {
+      'product_id': productID,
+      'product_name': productName,
+      'quantity': qty,
+      'price': price,
+      'amount': amount,
+      'action': action
+    };
+  }
+
+  factory POLine.fromMap(Map<String, dynamic> map) {
+    return POLine(
+        productID: map['product_id'],
+        productName: map['product_name'],
+        qty: map['quantity'],
+        balanceQty: map['balance_quantity'],
+        amount: map['amount'],
+        price: map['price'],
+        action: map['action'],
+        deliveryBalQty: map['delivery_balance_quantity']);
+  }
+
+  @override
+  String toString() {
+    return 'POLine{productID:$productID,productName:$productName,qty:$qty,amount:$amount,price:$price}';
+  }
+}
+
+class POChartData {
+  String userName;
+  String productID;
+  String productName;
+  int balanceQty;
+  int color;
+  int displayOrder;
+
+  get getColor => Color(color);
+
+  POChartData(
+      {@required this.userName,
+      @required this.productName,
+      @required this.balanceQty,
+      @required this.color,
+      this.productID,
+      this.displayOrder});
+
+  factory POChartData.fromJson(Map<String, dynamic> json, String qty) {
+    var _qty = 0;
+    var _color = 0;
+    try {
+      _qty = json[qty];
+      _color = json['color'];
+    } catch (e) {}
+
+    return POChartData(
+      userName: json['user_name'],
+      productName: json['product_name'],
+      productID: json['product_id'],
+      balanceQty: _qty,
+      color: _color,
+    );
+  }
+}
+
+class POBuyerData {
+  String status;
+  int amount;
+
+  POBuyerData({
+    @required this.status,
+    @required this.amount,
+  });
+
+  get getColor => status == "approved"
+      ? Colors.green
+      : status == "rejected"
+          ? Colors.red
+          : status == "pending" ? Colors.blue : Colors.grey;
+
+  factory POBuyerData.fromJson(Map<String, dynamic> json, String qty) {
+    return POBuyerData(
+      status: json['status'],
+      amount: json[qty],
+    );
+  }
+}