Change quantity of items from cart itself

dscnitrourkela · Apr 26, 2020 · 991a065 · 991a065
1 parent b5cdc73
commit 991a065
Show file tree

Hide file tree

Showing 8 changed files with 233 additions and 107 deletions.
diff --git a/gogrocy/lib/core/enums/viewstate.dart b/gogrocy/lib/core/enums/viewstate.dart
@@ -1 +1 @@
-enum ViewState { Idle, Busy }
+enum ViewState { Idle, Busy, Intermediate }
diff --git a/gogrocy/lib/core/models/cart_edit.dart b/gogrocy/lib/core/models/cart_edit.dart
@@ -0,0 +1,20 @@
+class CartEdit {
+    String message;
+    bool success;
+
+    CartEdit({this.message, this.success});
+
+    factory CartEdit.fromJson(Map<String, dynamic> json) {
+        return CartEdit(
+            message: json['message'], 
+            success: json['success'], 
+        );
+    }
+
+    Map<String, dynamic> toJson() {
+        final Map<String, dynamic> data = new Map<String, dynamic>();
+        data['message'] = this.message;
+        data['success'] = this.success;
+        return data;
+    }
+}
diff --git a/gogrocy/lib/core/services/api.dart b/gogrocy/lib/core/services/api.dart
@@ -1,6 +1,7 @@
 import 'dart:convert';
 import 'dart:io';
 import 'package:flutter/material.dart';
+import 'package:gogrocy/core/models/cart_edit.dart';
 import 'package:gogrocy/core/models/cart_list.dart';
 import 'package:gogrocy/core/models/product.dart';
 import 'package:gogrocy/core/models/signup_model.dart';
@@ -11,7 +12,8 @@ import 'package:gogrocy/service_locator.dart';
 import 'package:http/http.dart' as http;
 
 const String baseUrl = "https://gogrocy.in/api/";
-const String TOKEN='eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJpYXQiOjE1ODY5NzYxMjEsImlzcyI6Imh0dHBzOlwvXC9nb2dyb2N5LmluXC8iLCJuYmYiOjE1ODY5NzYxMzEsImRhdGEiOnsidXNlcl9pZCI6Ijg1IiwidXNlcl9yb2xlIjoiMSJ9fQ.3jwji_K1l07ttdUUjn4UJbJfuAbrC0msqk7jeftpSzDR7u2d8RCiGWz3ritX3hQIa0MGUe2fIaidErX-xtTQdA';
+const String TOKEN =
+    'eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzUxMiJ9.eyJpYXQiOjE1ODY5NzYxMjEsImlzcyI6Imh0dHBzOlwvXC9nb2dyb2N5LmluXC8iLCJuYmYiOjE1ODY5NzYxMzEsImRhdGEiOnsidXNlcl9pZCI6Ijg1IiwidXNlcl9yb2xlIjoiMSJ9fQ.3jwji_K1l07ttdUUjn4UJbJfuAbrC0msqk7jeftpSzDR7u2d8RCiGWz3ritX3hQIa0MGUe2fIaidErX-xtTQdA';
 
 const String allProducts = baseUrl + "getProducts";
 const String singleProduct = baseUrl + "getProduct";
@@ -20,7 +22,8 @@ const String login = baseUrl + "login";
 const String signUp = baseUrl + "signup";
 const String verifyUser = baseUrl + "verifyUser";
 const String addAddress = baseUrl + "add_address";
-const String cartList=baseUrl+'getCartItems';
+const String cartList = baseUrl + 'getCartItems';
+const String editCart=baseUrl+ "add_to_cart";
 
 class Apis {
   final SharedPrefsService _sharedPrefsService = locator<SharedPrefsService>();
@@ -121,6 +124,25 @@ class Apis {
       return user;
     }
   }
+
+  Future<CartEdit> editCartList(
+      {@required String product_id, @required String quantity}) async {
+    Map<String,String>body={
+      "product_id":product_id,
+      "quantity":quantity
+    };
+    var client = new http.Client();
+    bool connectionState = await checkStatus();
+    if (connectionState) //TODO: Add a proper else return
+    {
+      var response = await client.post(editCart, headers: {
+        'Authorization': 'Bearer $TOKEN',
+      },body: body);
+      return CartEdit.fromJson(json.decode(response.body));
+    } else
+      (print("Network failure"));
+  }
+
   Future<List<Product>> getAllProducts() async {
     var client = new http.Client();
     bool connectionState = await checkStatus();
@@ -143,8 +165,8 @@ class Apis {
     var client = new http.Client();
     bool connectionState = await checkStatus();
     if (connectionState) //TODO: Add a proper else return
-        {
-      var response = await client.post(cartList,headers: {
+    {
+      var response = await client.post(cartList, headers: {
         'Content-Type': 'application/json',
         'Accept': 'application/json',
         'Authorization': 'Bearer $TOKEN',

diff --git a/gogrocy/lib/core/viewModels/cart_view_model.dart b/gogrocy/lib/core/viewModels/cart_view_model.dart
@@ -1,4 +1,5 @@
 import 'package:gogrocy/core/enums/viewstate.dart';
+import 'package:gogrocy/core/models/cart_edit.dart';
 import 'package:gogrocy/core/models/cart_list.dart';
 import 'package:gogrocy/core/services/api.dart';
 import 'package:gogrocy/core/viewModels/base_model.dart';
@@ -8,11 +9,35 @@ class CartViewModel extends BaseModel{
   Apis _apis=locator<Apis>();
 
   cart_list cartList;
+  cart_list intermediateCartList;
+  CartEdit cartEditResponse;
 
-  Future getCartList() async{
+  Future getCartList({String product_id, String quantity}) async{
+
+    if(product_id==null){
+      print("First time API called");
+      setState(ViewState.Busy);
+      cartList=await _apis.getCartList();
+      setState(ViewState.Idle);
+    }
+    if(product_id!=null){
+      print("Updating API calledUpdating API calledUpdating API calledUpdating API calledUpdating API called");
+      intermediateCartList=cartList;
+      setState(ViewState.Intermediate);
+      print("Updating API calledUpdating API calledUpdating API calledUpdating API calledUpdating API called");
+      cartEditResponse=await _apis.editCartList(product_id: product_id, quantity: quantity);
+      cartList=await _apis.getCartList();
+      setState(ViewState.Idle);
+
+    }
+
+  }
+
+  Future editCartList(String product_id, String quantity) async{
     setState(ViewState.Busy);
-    cartList=await _apis.getCartList();
+    await _apis.editCartList(product_id: product_id, quantity: quantity);
     setState(ViewState.Idle);
+
   }
 
 }
diff --git a/gogrocy/lib/ui/views/cart/cart.dart b/gogrocy/lib/ui/views/cart/cart.dart
@@ -1,16 +1,39 @@
 import 'package:flutter/material.dart';
+import 'package:gogrocy/core/enums/viewstate.dart';
+import 'package:gogrocy/core/viewModels/cart_view_model.dart';
+import 'package:gogrocy/ui/views/base_view.dart';
 import 'package:gogrocy/ui/views/cart/cart_header.dart';
 import 'package:gogrocy/ui/views/cart/cart_list.dart';
 
 class Cart extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      body: ListView(
-        children: <Widget>[
-          CartHeader(),
-          CartList()
-        ],
+      body: BaseView<CartViewModel>(
+        onModelReady: (model){
+          model.getCartList(product_id: null,quantity: null);
+        },
+        builder: (context,model,child){
+          if(model.state==ViewState.Busy)
+            return Center(child: CircularProgressIndicator());
+          else if(model.state==ViewState.Intermediate){
+            return ListView(
+                children: <Widget>[
+                CartHeader(model.intermediateCartList),
+          CartList(model,model.intermediateCartList),
+          ],
+          );
+          }
+          else
+            return ListView(
+              shrinkWrap: true,
+              children: <Widget>[
+                CartHeader(model.cartList),
+                CartList(model,model.cartList),
+              ],
+            );
+
+        },
       ),
     );
   }

diff --git a/gogrocy/lib/ui/views/cart/cart_header.dart b/gogrocy/lib/ui/views/cart/cart_header.dart
@@ -1,8 +1,19 @@
 import 'package:flutter/material.dart';
+import 'package:gogrocy/core/enums/viewstate.dart';
+import 'package:gogrocy/core/models/cart_list.dart';
+import 'package:gogrocy/core/viewModels/cart_view_model.dart';
 import 'package:gogrocy/ui/shared/colors.dart' as colors;
 import 'package:gogrocy/ui/shared/constants.dart' as constants;
 
 class CartHeader extends StatelessWidget {
+
+  cart_list model;
+
+  CartHeader(cart_list m){
+    model=m;
+  }
+
+
   @override
   Widget build(BuildContext context) {
     return Stack(
@@ -29,7 +40,7 @@ class CartHeader extends StatelessWidget {
                         children: <Widget>[
                           Text("Your Cart",
                           style: TextStyle(fontFamily: 'Gilroy',fontSize: 32.0,fontWeight: FontWeight.bold, color: colors.CART_HEADER_COLOR),),
-                          Text("Grand Total",
+                          Text("Grand Total- Rs"+model.sum.toString(),
                           style: TextStyle(fontFamily: 'Gilroy',fontSize: 14.0,fontWeight: FontWeight.w600, color: colors.CART_HEADER_COLOR),),
 
                         ],
Original file line number	Diff line number	Diff line change
		@@ -1 +1 @@
		enum ViewState { Idle, Busy }
		enum ViewState { Idle, Busy, Intermediate }