install and use redux to fetch data from server

client/package.json

@@ -5,8 +5,11 @@
   "dependencies": {
     "react": "^16.8.6",
     "react-dom": "^16.8.6",
+    "react-redux": "^7.0.3",
     "react-router-dom": "^5.0.0",
     "react-scripts": "3.0.1",
+    "redux": "^4.0.1",
+    "redux-thunk": "^2.3.0",
     "semantic-ui-css": "^2.4.1",
     "semantic-ui-react": "^0.87.1"
   },

client/src/index.js

@@ -4,8 +4,14 @@ import './index.css';
 import 'semantic-ui-css/semantic.min.css';
 import App from './App';
 import * as serviceWorker from './serviceWorker';
+import { Provider } from 'react-redux';
+import { createStore, applyMiddleware } from 'redux';
+import thunkMiddleware from 'redux-thunk';
+import { rootReducer } from "./store/reducers";
 
-ReactDOM.render(<App />, document.getElementById('root'));
+const store = createStore(rootReducer, applyMiddleware(thunkMiddleware));
+
+ReactDOM.render(<Provider store={store}><App /></Provider>, document.getElementById('root'));
 
 // If you want your app to work offline and load faster, you can change
 // unregister() to register() below. Note this comes with some pitfalls.

client/src/scenes/DoorLockCharges/index.js

@@ -1,12 +1,16 @@
 import React, { Component } from 'react';
+import { connect } from 'react-redux';
 
-import { Container, Form } from "semantic-ui-react";
+import { Container, Form, Loader } from "semantic-ui-react";
 
 import MainMenu from '../../components/MainMenu';
+import { fetchDoorLockCharges } from "../../store/actions";
 
 class DoorLockCharges extends Component {
 
     render () {
+        console.log(this.props);
+        const pending = false;
         return (
             <Container>
                 <MainMenu/>
@@ -33,11 +37,24 @@ class DoorLockCharges extends Component {
                         label="Select DLock file"
                         type="file"
                     />
-                    <Form.Button>Generate Report</Form.Button>
+                    <Form.Button onClick={this.props.fetchDoorLockCharges}>Generate Report</Form.Button>
                 </Form>
+                {
+                    pending && <Loader active />
+                }
             </Container>
         );
     }
 }
 
-export default DoorLockCharges;
+const mapStateToProps = state => ({
+    incidents: state.doorLockCharges.incidents,
+    pending: state.doorLockCharges.pending,
+    error: state.doorLockCharges.error,
+});
+
+const mapDispatchToProps = (dispatch) => ({
+    fetchDoorLockCharges: () => fetchDoorLockCharges(dispatch),
+});
+
+export default connect(mapStateToProps, mapDispatchToProps)(DoorLockCharges);

client/src/store/actions/doorLockActions.js

@@ -0,0 +1,17 @@
+import {
+    FETCH_DOOR_LOCK_CHARGES_PENDING,
+    FETCH_DOOR_LOCK_CHARGES_SUCCESS,
+    FETCH_DOOR_LOCK_CHARGES_FAILED
+} from "../constants";
+
+export const fetchDoorLockCharges = (dispatch) => {
+    dispatch({type: FETCH_DOOR_LOCK_CHARGES_PENDING});
+    fetch('/api/doorLockCharges')
+        .then(response => response.json())
+        .then(data => {
+            dispatch({type: FETCH_DOOR_LOCK_CHARGES_SUCCESS, payload: data})
+        })
+        .catch(err => {
+            dispatch({type: FETCH_DOOR_LOCK_CHARGES_FAILED, payload: err})
+        })
+};

client/src/store/actions/index.js

@@ -0,0 +1 @@
+export * from './doorLockActions';

client/src/store/constants.js

@@ -0,0 +1,3 @@
+export const FETCH_DOOR_LOCK_CHARGES_PENDING = 'FETCH_DOOR_LOCK_CHARGES_PENDING';
+export const FETCH_DOOR_LOCK_CHARGES_SUCCESS = 'FETCH_DOOR_LOCK_CHARGES_SUCCESS';
+export const FETCH_DOOR_LOCK_CHARGES_FAILED = 'FETCH_DOOR_LOCK_CHARGES_FAILED';

client/src/store/reducers/doorLockReducers.js

@@ -0,0 +1,35 @@
+import {
+    FETCH_DOOR_LOCK_CHARGES_PENDING,
+    FETCH_DOOR_LOCK_CHARGES_SUCCESS,
+    FETCH_DOOR_LOCK_CHARGES_FAILED
+} from "../constants";
+
+const initialState = {
+    incidents: [],
+    pending: false,
+    error: '',
+};
+
+export const doorLockCharges = (state, action) => {
+  state = state || initialState;
+  action = action || {};
+
+  switch(action.type){
+      case FETCH_DOOR_LOCK_CHARGES_PENDING:
+          return Object.assign({}, state, {
+              pending: true,
+          });
+      case FETCH_DOOR_LOCK_CHARGES_SUCCESS:
+          return Object.assign({}, state, {
+              incidents: action.payload,
+              pending: false,
+          });
+      case FETCH_DOOR_LOCK_CHARGES_FAILED:
+          return Object.assign({}, state, {
+              pending: false,
+              error: action.payload,
+          });
+      default:
+          return state;
+  }
+};

client/src/store/reducers/index.js

@@ -0,0 +1,8 @@
+import { combineReducers } from "redux";
+
+import { doorLockCharges} from "./doorLockReducers";
+
+export const rootReducer = combineReducers({
+    doorLockCharges
+});
+

client/yarn.lock

@@ -761,7 +761,7 @@
   dependencies:
     regenerator-runtime "^0.13.2"
 
-"@babel/runtime@^7.0.0", "@babel/runtime@^7.1.2", "@babel/runtime@^7.3.4", "@babel/runtime@^7.4.2":
+"@babel/runtime@^7.0.0", "@babel/runtime@^7.1.2", "@babel/runtime@^7.3.4", "@babel/runtime@^7.4.2", "@babel/runtime@^7.4.3":
   version "7.4.5"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.4.5.tgz#582bb531f5f9dc67d2fcb682979894f75e253f12"
   dependencies:
@@ -3935,7 +3935,7 @@ hmac-drbg@^1.0.0:
     minimalistic-assert "^1.0.0"
     minimalistic-crypto-utils "^1.0.1"
 
-hoist-non-react-statics@^3.1.0:
+hoist-non-react-statics@^3.1.0, hoist-non-react-statics@^3.3.0:
   version "3.3.0"
   resolved "https://registry.yarnpkg.com/hoist-non-react-statics/-/hoist-non-react-statics-3.3.0.tgz#b09178f0122184fb95acf525daaecb4d8f45958b"
   dependencies:
@@ -6779,7 +6779,7 @@ prompts@^2.0.1:
     kleur "^3.0.2"
     sisteransi "^1.0.0"
 
-prop-types@^15.6.1, prop-types@^15.6.2:
+prop-types@^15.6.1, prop-types@^15.6.2, prop-types@^15.7.2:
   version "15.7.2"
   resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
   dependencies:
@@ -6972,7 +6972,7 @@ react-error-overlay@^5.1.6:
   version "5.1.6"
   resolved "https://registry.yarnpkg.com/react-error-overlay/-/react-error-overlay-5.1.6.tgz#0cd73407c5d141f9638ae1e0c63e7b2bf7e9929d"
 
-react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4:
+react-is@^16.6.0, react-is@^16.7.0, react-is@^16.8.1, react-is@^16.8.4, react-is@^16.8.6:
   version "16.8.6"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.8.6.tgz#5bbc1e2d29141c9fbdfed456343fe2bc430a6a16"
 
@@ -6987,6 +6987,17 @@ react-popper@^1.3.3:
     typed-styles "^0.0.7"
     warning "^4.0.2"
 
+react-redux@^7.0.3:
+  version "7.0.3"
+  resolved "https://registry.yarnpkg.com/react-redux/-/react-redux-7.0.3.tgz#983c5a6de81cb1e696bd1c090ba826545f9170f1"
+  dependencies:
+    "@babel/runtime" "^7.4.3"
+    hoist-non-react-statics "^3.3.0"
+    invariant "^2.2.4"
+    loose-envify "^1.4.0"
+    prop-types "^15.7.2"
+    react-is "^16.8.6"
+
 react-router-dom@^5.0.0:
   version "5.0.0"
   resolved "https://registry.yarnpkg.com/react-router-dom/-/react-router-dom-5.0.0.tgz#542a9b86af269a37f0b87218c4c25ea8dcf0c073"
@@ -7152,6 +7163,17 @@ recursive-readdir@2.2.2:
   dependencies:
     minimatch "3.0.4"
 
+redux-thunk@^2.3.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/redux-thunk/-/redux-thunk-2.3.0.tgz#51c2c19a185ed5187aaa9a2d08b666d0d6467622"
+
+redux@^4.0.1:
+  version "4.0.1"
+  resolved "https://registry.yarnpkg.com/redux/-/redux-4.0.1.tgz#436cae6cc40fbe4727689d7c8fae44808f1bfef5"
+  dependencies:
+    loose-envify "^1.4.0"
+    symbol-observable "^1.2.0"
+
 regenerate-unicode-properties@^8.0.2:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/regenerate-unicode-properties/-/regenerate-unicode-properties-8.1.0.tgz#ef51e0f0ea4ad424b77bf7cb41f3e015c70a3f0e"
@@ -8016,6 +8038,10 @@ svgo@^1.0.0, svgo@^1.2.1:
     unquote "~1.1.1"
     util.promisify "~1.0.0"
 
+symbol-observable@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/symbol-observable/-/symbol-observable-1.2.0.tgz#c22688aed4eab3cdc2dfeacbb561660560a00804"
+
 symbol-tree@^3.2.2:
   version "3.2.2"
   resolved "https://registry.yarnpkg.com/symbol-tree/-/symbol-tree-3.2.2.tgz#ae27db38f660a7ae2e1c3b7d1bc290819b8519e6"