testing: remove error simulation

package-lock.json

@@ -368,6 +368,14 @@
       "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.11.0.tgz",
       "integrity": "sha512-xh1Rl34h6Fi1DC2WWKfxUTVqRsNnr6LsKz2+hfwDxQJWmrx8+c7ylaqBMcHfl1U1r2dsifOvKX3LQuLNZ+XSvA=="
     },
+    "axios": {
+      "version": "0.21.1",
+      "resolved": "https://registry.npmjs.org/axios/-/axios-0.21.1.tgz",
+      "integrity": "sha512-dKQiRHxGD9PPRIUNIWvZhPTPpl1rf/OxTYKsqKUDjBwYylTvV7SjSHJb9ratfyzM6wCdLCOYLzs73qpg5c4iGA==",
+      "requires": {
+        "follow-redirects": "^1.10.0"
+      }
+    },
     "axobject-query": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/axobject-query/-/axobject-query-0.1.0.tgz",
@@ -3276,9 +3284,9 @@
       }
     },
     "esprima": {
-      "version": "2.7.3",
-      "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
-      "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE="
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
+      "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
     "esquery": {
       "version": "1.3.1",
@@ -4400,9 +4408,9 @@
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "ini": {
-      "version": "1.3.5",
-      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
-      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw=="
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew=="
     },
     "inquirer": {
       "version": "3.3.0",
@@ -5201,12 +5209,12 @@
       "integrity": "sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ=="
     },
     "js-yaml": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.7.0.tgz",
-      "integrity": "sha1-XJZ93YN6m/3KXy3oQlOr6KHAO4A=",
+      "version": "3.14.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.14.1.tgz",
+      "integrity": "sha512-okMH7OXXJ7YrN9Ok3/SXrnu4iX9yOk+25nqX4imS2npuvTYDmo/QEZoqwZkYaIDk3jVvBOTOIEgEhaLOynBS9g==",
       "requires": {
         "argparse": "^1.0.7",
-        "esprima": "^2.6.0"
+        "esprima": "^4.0.0"
       }
     },
     "jsbn": {
@@ -9025,6 +9033,22 @@
         "mkdirp": "~0.5.1",
         "sax": "~1.2.1",
         "whet.extend": "~0.9.9"
+      },
+      "dependencies": {
+        "esprima": {
+          "version": "2.7.3",
+          "resolved": "https://registry.npmjs.org/esprima/-/esprima-2.7.3.tgz",
+          "integrity": "sha1-luO3DVd59q1JzQMmc9HDEnZ7pYE="
+        },
+        "js-yaml": {
+          "version": "3.7.0",
+          "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.7.0.tgz",
+          "integrity": "sha1-XJZ93YN6m/3KXy3oQlOr6KHAO4A=",
+          "requires": {
+            "argparse": "^1.0.7",
+            "esprima": "^2.6.0"
+          }
+        }
       }
     },
     "sw-precache": {

package.json

@@ -4,6 +4,7 @@
   "private": true,
   "dependencies": {
     "autoprefixer": "7.1.6",
+    "axios": "^0.21.1",
     "babel-core": "6.26.0",
     "babel-eslint": "7.2.3",
     "babel-jest": "20.0.3",

src/App.js

@@ -8,7 +8,7 @@ class App extends Component {
     return (
       <div>
         <Layout>
-          <BurgerBuilder />          
+          <BurgerBuilder />       
         </Layout>
       </div>
     );

src/axios-orders.js

@@ -0,0 +1,7 @@
+import axios from 'axios';
+
+const instance = axios.create({
+    baseURL: 'https://react-my-burger-e4645.firebaseio.com/'
+});
+
+export default instance;

src/components/UI/Modal/Modal.js

@@ -7,7 +7,7 @@ import classes from './Modal.css';
 class Modal extends Component {
 
     shouldComponentUpdate(nextProps, nextState){
-        return nextProps.show !== this.props.show;
+        return nextProps.show !== this.props.show || nextProps.children !== this.props.children;
     }
 
     render() {

src/components/UI/Spinner/Spinner.css

@@ -0,0 +1,41 @@
+.Loader,
+.Loader:after {
+  border-radius: 50%;
+  width: 10em;
+  height: 10em;
+}
+.Loader {
+  margin: 60px auto;
+  font-size: 10px;
+  position: relative;
+  text-indent: -9999em;
+  border-top: 1.1em solid rgba(195,8,247, 0.2);
+  border-right: 1.1em solid rgba(195,8,247, 0.2);
+  border-bottom: 1.1em solid rgba(195,8,247, 0.2);
+  border-left: 1.1em solid #c308f7;
+  -webkit-transform: translateZ(0);
+  -ms-transform: translateZ(0);
+  transform: translateZ(0);
+  -webkit-animation: load8 1.1s infinite linear;
+  animation: load8 1.1s infinite linear;
+}
+@-webkit-keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg);
+  }
+}
+@keyframes load8 {
+  0% {
+    -webkit-transform: rotate(0deg);
+    transform: rotate(0deg);
+  }
+  100% {
+    -webkit-transform: rotate(360deg);
+    transform: rotate(360deg);
+  }
+}

src/components/UI/Spinner/Spinner.js

@@ -0,0 +1,9 @@
+import React from 'react';
+
+import classes from './Spinner.css';
+
+const spinner = () => (
+    <div className={classes.Loader}>Loading...</div>
+);
+
+export default spinner;

src/containers/BurgerBuilder/BurgerBuilder.js

@@ -5,6 +5,9 @@ import Burger from '../../components/Burger/Burger';
 import BuildControls from '../../components/Burger/BuildControls/BuildControls';
 import Modal from '../../components/UI/Modal/Modal';
 import OrderSummary from '../../components/Burger/OrderSummary/OrderSummary';
+import Spinner from '../../components/UI/Spinner/Spinner';
+import withErrorHandler from '../../hoc/withErrorHandler/withErrorHandler';
+import axios from '../../axios-orders';
 
 const INGREDIENT_PRICE = {
     salad: 0.4,
@@ -16,15 +19,22 @@ const INGREDIENT_PRICE = {
 class BurgerBuilder extends Component {
 
     state = {
-        ingredients: {
-            meat: 0,
-            cheese: 0,
-            salad: 0,
-            bacon: 0,
-        },
+        ingredients: null,
         totalPrice: 0,
         purchasable: false,
         purchasing: false,
+        loading: false,
+        error: false,
+    }
+
+    componentDidMount() {
+        axios.get('https://react-my-burger-e4645.firebaseio.com/ingredients.json') // remove .json to throw error
+            .then(res => {
+                this.setState({ ingredients: res.data });
+            })
+            .catch(error => { 
+                this.setState({ error: true});
+            })
     }
 
     updatePurchaseState(ingredients) {
@@ -87,7 +97,30 @@ class BurgerBuilder extends Component {
     }
 
     purchaseContinueHandler = () => {
-        alert("You continue");
+        this.setState({
+            loading: true,
+        });
+        const order = {
+            ingredients: this.state.ingredients,
+            price: this.state.totalPrice,
+            customer: {
+                address: {
+                    country: "NEW ZEALAND",
+                    street: "test street 1",
+                    zipCode: "8042",
+                },
+                email: "test@test.com",
+                name: "oscar",
+            }
+        };
+
+        axios.post('/order.json', order) // remove .json to throw error
+            .then(response => {
+                this.setState({ loading: false, purchasing: false }); // set purchasing: false can close Order Summary dialog
+            })
+            .catch(error => {
+                this.setState({ loading: false });
+            });
     }
 
     render() {
@@ -99,28 +132,45 @@ class BurgerBuilder extends Component {
             disabledInfo[key] = disabledInfo[key] <= 0;
         }
 
+        let orderSummary = null;
+        let burger = this.state.error ? <p>Ingredients can't be loaded!</p> : <Spinner />;
+
+        if (this.state.ingredients) {
+            orderSummary = <OrderSummary
+                ingredients={this.state.ingredients}
+                price={this.state.totalPrice}
+                purchaseCancalled={this.purchaseCancelHandler}
+                purchaseContinued={this.purchaseContinueHandler}></OrderSummary>;
+
+            burger = (
+                <Aux>
+                    <Burger ingredients={this.state.ingredients} />
+                    <BuildControls
+                        ingredientAdded={this.addIngredientHandler}
+                        ingredientRemoved={this.removeIngredientHandler}
+                        ordered={this.purchaseHandler}
+                        disabled={disabledInfo}
+                        purchasable={this.state.purchasable}
+                        price={this.state.totalPrice} />
+                </Aux>
+            );
+        }
+
+        if (this.state.loading) {
+            orderSummary = <Spinner />
+        }
+
         return (
             <Aux>
                 <Modal
                     show={this.state.purchasing}
                     modalClosed={this.purchaseCancelHandler}>
-                    <OrderSummary
-                        ingredients={this.state.ingredients}
-                        price={this.state.totalPrice}
-                        purchaseCancalled={this.purchaseCancelHandler}
-                        purchaseContinued={this.purchaseContinueHandler}></OrderSummary>
+                    {orderSummary}
                 </Modal>
-                <Burger ingredients={this.state.ingredients} />
-                <BuildControls
-                    ingredientAdded={this.addIngredientHandler}
-                    ingredientRemoved={this.removeIngredientHandler}
-                    ordered={this.purchaseHandler}
-                    disabled={disabledInfo}
-                    purchasable={this.state.purchasable}
-                    price={this.state.totalPrice} />
+                {burger}
             </Aux>
         );
     };
 };
 
-export default BurgerBuilder;
+export default withErrorHandler(BurgerBuilder, axios);

src/hoc/withErrorHandler/withErrorHandler.js

@@ -0,0 +1,47 @@
+import React, { Component } from 'react';
+
+import Aux from '../Auxiliary/Auxiliary';
+import Modal from '../../components/UI/Modal/Modal';
+
+const withErrorHandler = (WrappedComponent, axios) => {
+    return class extends Component {
+        state = {
+            error: null,
+        }
+
+        componentWillMount() {  // This will happen before child component rendering
+            this.reqInterceptor = axios.interceptors.request.use(req => {
+                this.setState({ error: null });
+                return req;
+            });
+
+            this.resInterceptor = axios.interceptors.response.use(res => res, error => {
+                this.setState({ error: error });
+            });
+        }
+
+        componentWillUnmount() {
+            axios.interceptors.request.eject(this.reqInterceptor);
+            axios.interceptors.response.eject(this.resInterceptor);
+        }
+
+        errorConfirmedHandler = () => {
+            this.setState({ error: null });
+        }
+
+        render() {
+            return (
+                <Aux>
+                    <Modal
+                        show={this.state.error}
+                        modalClosed={this.errorConfirmedHandler}>
+                        {this.state.error ? this.state.error.message : null}
+                    </Modal>
+                    <WrappedComponent {...this.props} />
+                </Aux>
+            );
+        }
+    }
+}
+
+export default withErrorHandler;