merge

lib/pages/invoice/invoce_list.dart

@@ -20,16 +20,29 @@ import 'invoice_editor.dart';
 import 'invoice_list_row.dart';
 
 class InvoiceList extends StatefulWidget {
+  final bool onlyFcs;
+
+  const InvoiceList({Key key, this.onlyFcs}) : super(key: key);
   @override
   _InvoiceListState createState() => _InvoiceListState();
 }
 
 class _InvoiceListState extends State<InvoiceList> {
   bool _isLoading = false;
+  bool _showPaid = false;
+  var _controller = ScrollController();
 
   @override
   void initState() {
     super.initState();
+    // Provider.of<InvoiceModel>(context, listen: false).initPaidInvoice(true);
+    // _controller.addListener(() {
+    //   if (_showPaid &&
+    //       _controller.position.pixels == _controller.position.maxScrollExtent) {
+    //     Provider.of<InvoiceModel>(context, listen: false)
+    //         .loadMorePaidInvoices();
+    //   }
+    // });
   }
 
   @override
@@ -41,6 +54,9 @@ class _InvoiceListState extends State<InvoiceList> {
   Widget build(BuildContext context) {
     var owner = true;
     var invoiceModel = Provider.of<InvoiceModel>(context);
+    bool onlyFcs = widget.onlyFcs;
+    var invoices =
+        _showPaid ? invoiceModel.paidInvoices : invoiceModel.invoices;
 
     final popupMenu = LocalPopupMenuButton(
       popmenus: [
@@ -49,7 +65,7 @@ class _InvoiceListState extends State<InvoiceList> {
         LocalPopupMenu(id: 2, textKey: "invoice.popupmenu.paid")
       ],
       popupMenuCallback: (p) => this.setState(() {
-        // _showDelivered = p.id == 2;
+        _showPaid = p.id == 2;
       }),
     );
 
@@ -95,10 +111,9 @@ class _InvoiceListState extends State<InvoiceList> {
                       scrollDirection: Axis.vertical,
                       padding: EdgeInsets.only(top: 15),
                       shrinkWrap: true,
-                      itemCount: invoiceModel.invoices.length,
+                      itemCount: invoices.length,
                       itemBuilder: (BuildContext context, int index) {
-                        return InvoiceListRow(
-                            invoice: invoiceModel.invoices[index]);
+                        return InvoiceListRow(invoice: invoices[index]);
                       }),
                 ),
               ],

lib/pages/invoice/model/invoice_model.dart

@@ -1,9 +1,19 @@
+import 'dart:async';
+
+import 'package:cloud_firestore/cloud_firestore.dart';
 import 'package:fcs/domain/entities/invoice.dart';
 import 'package:fcs/domain/entities/package.dart';
 import 'package:fcs/domain/entities/receipt.dart';
+import 'package:fcs/helpers/pagination.dart';
 import 'package:fcs/pages/main/model/base_model.dart';
+import 'package:logging/logging.dart';
 
 class InvoiceModel extends BaseModel {
+  final log = Logger('InvoiceModel');
+
+  Pagination pagination;
+  StreamSubscription<QuerySnapshot> listener;
+
   List<Invoice> invoices = [
     Invoice(
         invoiceNumber: 'A092(A)-30',
@@ -137,19 +147,92 @@ class InvoiceModel extends BaseModel {
         ])
   ];
 
-  List<Invoice> get pending {
-    List<Invoice> _i = invoices.where((e) => e.status == "Pending").toList()
-      ..sort((e1, e2) {
-        return e2.invoiceNumber.compareTo(e1.invoiceNumber);
-      });
-    return _i;
+  List<Invoice> paidInvoices = [];
+
+  bool endOfPaidInvoices = false;
+  bool isLoading = false;
+
+  @override
+  void privilegeChanged() {
+    super.privilegeChanged();
+    // _loadInvoices();
   }
 
-  List<Invoice> get paided {
-    return invoices.where((e) => e.status == "Paid").toList()
-      ..sort((e1, e2) {
-        return e2.invoiceNumber.compareTo(e1.invoiceNumber);
+  Future<void> _loadInvoices() async {
+    if (user == null || !user.hasInvoices()) return;
+    String path = "/$invoices/";
+    if (listener != null) listener.cancel();
+    invoices = [];
+    try {
+      listener = Firestore.instance
+          .collection("$path")
+          .snapshots()
+          .listen((QuerySnapshot snapshot) {
+        invoices.clear();
+        invoices = snapshot.documents.map((documentSnapshot) {
+          var s = Invoice.fromMap(
+              documentSnapshot.data, documentSnapshot.documentID);
+          return s;
+        }).toList();
+        notifyListeners();
       });
+    } catch (e) {
+      log.warning("Error!! $e");
+    }
+  }
+
+  Future<void> initPaidInvoice(bool onlyFcs) {
+    if (onlyFcs) {
+      if (user == null ||
+          !((user.hasPackages() ||
+              user.hasReceiving() ||
+              user.hasProcessing()))) return null;
+    }
+    if (pagination != null) pagination.close();
+    paidInvoices = [];
+    endOfPaidInvoices = false;
+    isLoading = false;
+
+    var pageQuery = Firestore.instance
+        .collection("/$invoices");
+        // .collection(
+        //     "/users/8OTfsbVvsUOn1SLxy1OrKk7Y_yNKkVoGalPcIlcHnAY/messages")
+        // .orderBy("date", descending: true);
+        // .where("is_delivered", isEqualTo: true)
+        // .where("is_deleted", isEqualTo: false);
+    if (!onlyFcs) {
+      pageQuery = pageQuery.where("user_id", isEqualTo: user.id);
+    }
+    // pageQuery = pageQuery.orderBy("current_status_date", descending: true);
+    pagination = new Pagination(pageQuery, rowPerLoad: 20);
+    pagination.stream.listen((doc) {
+      if (doc == null) {
+        endOfPaidInvoices = true;
+      } else {
+        paidInvoices.add(Invoice.fromMap(doc.data, doc.documentID));
+        // var m = Message.fromMap(doc.data, doc.documentID);
+        // deliveredPackages.add(Package(
+        //     id: m.id,
+        //     status: package_delivered_status,
+        //     currentStatus: package_delivered_status,
+        //     currentStatusDate: m.date,
+        //     trackingID: (count++).toString(),
+        //     market: m.message));
+      }
+    });
+    return null;
+  }
+
+  Future<bool> loadMorePaidInvoices() {
+    if (pagination != null && !isLoading && !endOfPaidInvoices) {
+      isLoading = true;
+      notifyListeners();
+      pagination.load().then((value) {
+        isLoading = false;
+        notifyListeners();
+      });
+    }
+    return null;
   }
 
   void initUser(user) {
@@ -158,6 +241,15 @@ class InvoiceModel extends BaseModel {
 
   @override
   logout() async {
+    if (listener != null) await listener.cancel();
     invoices = [];
   }
+
+  Future<void> create(Invoice invoice) {
+    // return Services.instance.fcsShipmentService.createFcsShipment(fcsShipment);
+  }
+
+  Future<void> update(Invoice invoice) {
+    // return Services.instance.fcsShipmentService.updateFcsShipment(fcsShipment);
+  }
 }

lib/pages/invoice/payment_pdf_screen.dart

@@ -5,6 +5,7 @@ import 'package:fcs/pages/widgets/local_text.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_pdfview/flutter_pdfview.dart';
+import 'package:image_downloader/image_downloader.dart';
 
 class PaymentPDFScreen extends StatefulWidget {
   final String path;
@@ -39,7 +40,11 @@ class _PaymentPDFScreenState extends State<PaymentPDFScreen>
         actions: <Widget>[
           IconButton(
             icon: Icon(Icons.file_download),
-            onPressed: () {},
+            onPressed: () async {
+              print('image path => ${widget.path}');
+              await ImageDownloader.downloadImage(widget.path,
+                  destination: AndroidDestinationType.directoryDownloads);
+            },
           ),
           IconButton(
             icon: Icon(Icons.share),