practice session #4

package.json

@@ -2,12 +2,17 @@
   "name": "swppfront",
   "version": "0.1.0",
   "private": true,
+  "proxy": "http://localhost:8000",
   "dependencies": {
+    "axios": "^0.20.0",
     "react": "^16.9.0",
     "react-dom": "^16.9.0",
+    "react-redux": "^7.2.1",
     "react-router": "^5.0.1",
     "react-router-dom": "^5.0.1",
-    "react-scripts": "3.1.1"
+    "react-scripts": "3.1.1",
+    "redux": "^4.0.5",
+    "redux-thunk": "^2.3.0"
   },
   "scripts": {
     "start": "react-scripts start",

redux-basic.js

@@ -0,0 +1,23 @@
+const redux = require('redux');
+const createStore = redux.createStore;
+
+const initialState = { number: 0 };
+const reducer = (state = initialState, action) => {
+  if (action.type == 'ADD') {
+    return ({ ...state, number: state.number + 1 });
+  } else if (action.type == 'ADD_VALUE') {
+    return ({ ...state, number: state.number + action.value });
+  } else {
+    return state;
+  }
+}
+
+const store = createStore(reducer);
+console.log(store.getState());
+
+store.subscribe(() => {
+  console.log('[Subscription]', store.getState());
+});
+
+store.dispatch({ type: 'ADD' });
+store.dispatch({ type: 'ADD_VALUE', value: 5 });

src/components/Todo/Todo.js

@@ -8,10 +8,12 @@ const Todo = (props) => {
     <div className="Todo">
       <div
         className={`text ${props.done && 'done'}`}
-        onClick={props.clicked}>
+        onClick={props.clickDetail}>
         {props.title}
       </div>
       {props.done && <div className="done-mark">&#x2713;</div>}
+      <button onClick={props.clickDone}>{(props.done) ? 'Undone' : 'Done'}</button>
+      <button onClick={props.clickDelete}>Delete</button>
     </div>
   );
 };

src/containers/TodoList/NewTodo/NewTodo.js

@@ -1,9 +1,10 @@
 import React, { Component } from 'react';
 
-import { Redirect } from 'react-router-dom';
-
 import './NewTodo.css';
 
+import { connect } from 'react-redux';
+import * as actionCreators from '../../../store/actions/index';
+
 class NewTodo extends Component {
   state = {
     title: '',
@@ -12,19 +13,11 @@ class NewTodo extends Component {
   }
 
   postTodoHandler = () => {
-    const data =
-      { title: this.state.title, content: this.state.content }
-    alert('submitted' + data.title);
-    // this.props.history.push('/todos');
-    this.props.history.goBack();
-    this.setState({ submitted: true });
+    this.props.onStoreTodo(this.state.title, this.state.content);
+    this.props.history.push('/todos');
   }
 
   render() {
-    let redirect = null;
-    if (this.state.submitted) {
-      redirect = <Redirect to='/todos' />
-    }
     return (
       <div className="NewTodo">
         <h1>Add a New Todo!</h1>
@@ -36,13 +29,18 @@ class NewTodo extends Component {
         ></input>
         <label>Content</label>
         <textarea rows="4" type="text" value={this.state.content}
-          onChange={(event) => this.setState({ content: event.target.content })}
+          onChange={(event) => this.setState({ content: event.target.value })}
         >
         </textarea>
         <button onClick={() => this.postTodoHandler()}>Submit</button>
       </div>
     );
   }
 }
-
-export default NewTodo;
+const mapDispatchToProps = dispatch => {
+  return {
+  onStoreTodo: (title, content) =>
+    dispatch(actionCreators.postTodo({title: title, content: content })),
+  }
+};
+ export default connect(null, mapDispatchToProps)(NewTodo);

src/containers/TodoList/RealDetail/RealDetail.js

@@ -2,27 +2,51 @@ import React, { Component } from 'react';
 
 import './RealDetail.css';
 
+import { connect } from 'react-redux';
+import * as actionCreators from '../../../store/actions/index';
+
 class RealDetail extends Component {
+  componentDidMount() {
+    this.props.onGetTodo(this.props.match.params.id);
+  }
   render() {
+    let title = ''; let content = '';
+    if (this.props.selectedTodo) {
+      title = this.props.selectedTodo.title;
+      content = this.props.selectedTodo.content;
+    }
     return (
       <div className="RealDetail" >
         <div className="row">
           <div className="left">
             Name:
-        </div>
+          </div>
           <div className="right">
+            {title}
           </div>
         </div>
         <div className="row">
           <div className="left">
             Content:
-        </div>
+          </div>
           <div className="right">
+            {content}
           </div>
         </div>
       </div>
     );
   }
 };
+const mapStateToProps = state => {
+  return {
+    selectedTodo: state.td.selectedTodo,
+  };
+ };
+ const mapDispatchToProps = dispatch => {
+  return {
+    onGetTodo: id =>
+      dispatch(actionCreators.getTodo(id)),
+  };
+ };
 
-export default RealDetail;
+export default connect(mapStateToProps, mapDispatchToProps)(RealDetail);

src/containers/TodoList/TodoList.js

@@ -1,62 +1,62 @@
 import React, { Component } from 'react';
-
 import Todo from '../../components/Todo/Todo';
-import TodoDetail from '../../components/TodoDetail/TodoDetail';
+
 
 import { NavLink } from 'react-router-dom';
 
 import './TodoList.css';
+import { connect } from 'react-redux'
+import { withRouter } from 'react-router';
+import * as actionCreators from '../../store/actions/index';
 
 class TodoList extends Component {
-  state = {
-    todos: [
-      { id: 1, title: 'SWPP', content: 'take swpp class', done: true },
-      { id: 2, title: 'Movie', content: 'watch movie', done: false },
-      { id: 3, title: 'Dinner', content: 'eat dinner', done: false }
-    ],
-    selectedTodo: null,
+  componentDidMount() {
+    this.props.onGetAll();
   }
-
   clickTodoHandler = (td) => {
-    if (this.state.selectedTodo === td) {
-      this.setState({ ...this.state, selectedTodo: null });
-    } else {
-      this.setState({ ...this.state, selectedTodo: td });
-    }
+    this.props.history.push('/todos/' + td.id); 
   }
 
   render() {
-    const todos = this.state.todos.map(td => {
+    const todos = this.props.storedTodos.map((td) => {
       return (
         <Todo
           key={td.id}
           title={td.title}
           done={td.done}
-          clicked={() => this.clickTodoHandler(td)}
+          clickDetail={() => this.clickTodoHandler(td)}
+          clickDone={() => this.props.onToggleTodo(td.id)}
+          clickDelete={() => this.props.onDeleteTodo(td.id)}
         />
       );
     });
 
-    let todo = null;
-    if (this.state.selectedTodo) {
-      todo = <TodoDetail
-        title={this.state.selectedTodo.title}
-        content={this.state.selectedTodo.content}
-      />
-    }
     return (
       <div className="TodoList">
         <div className='title'>
           {this.props.title}
         </div>
-        <div className='todos'>
-          {todos}
-        </div>
-        {todo}
+        {todos}
         <NavLink to='/new-todo' exact>New Todo</NavLink>
       </div>
     )
   }
 }
 
-export default TodoList;
+const mapDispatchToProps = dispatch => {
+  return {
+  onToggleTodo: (id) =>
+    dispatch(actionCreators.toggleTodo(id)),
+  onDeleteTodo: (id) =>
+    dispatch(actionCreators.deleteTodo(id)),
+  onGetAll: () => 
+    dispatch(actionCreators.getTodos()),
+  };
+ };
+
+const mapStateToProps = state => {
+  return {
+  storedTodos: state.td.todos
+  };
+ };
+ export default connect(mapStateToProps, mapDispatchToProps)(withRouter(TodoList));

src/index.js

@@ -3,8 +3,19 @@ import ReactDOM from 'react-dom';
 import './index.css';
 import App from './App';
 import * as serviceWorker from './serviceWorker';
+import { Provider } from 'react-redux';
+import { createStore, combineReducers } from 'redux';
+import todoReducer from './store/reducers/todo';
+import { applyMiddleware } from 'redux';
+import thunk from 'redux-thunk';
 
-ReactDOM.render(<App />, document.getElementById('root'));
+const rootReducer = combineReducers({
+    td: todoReducer,
+  });
+
+const store = createStore(rootReducer, applyMiddleware(thunk));
+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.

src/store/actions/actionTypes.js

@@ -0,0 +1,5 @@
+export const GET_ALL = 'GET_ALL';
+export const GET_TODO = 'GET_TODO';
+export const TOGGLE_DONE = 'TOGGLE_DONE';
+export const DELETE_TODO = 'DELETE_TODO';
+export const ADD_TODO = 'ADD_TODO';

src/store/actions/index.js

@@ -0,0 +1,7 @@
+export {
+    getTodos,
+    postTodo,
+    deleteTodo,
+    toggleTodo,
+    getTodo
+  } from './todo';

src/store/actions/todo.js

@@ -0,0 +1,64 @@
+import * as actionTypes from './actionTypes';
+import axios from 'axios';
+
+export const getTodos_ = (todos) => {
+    return { type: actionTypes.GET_ALL, todos: todos };
+};
+export const getTodos = () => {
+    return dispatch => {
+        return axios.get('/api/todo')
+            .then(res => dispatch(getTodos_(res.data)));
+    };
+};
+export const postTodo_ = (td) => {
+    return {
+      type: actionTypes.ADD_TODO,
+      id: td.id,
+      title: td.title,
+      content: td.content,
+    };
+};
+export const postTodo = (td) => {
+    return (dispatch) => {
+      return axios.post('/api/todo/', td)
+        .then(res => {
+          dispatch(postTodo_(res.data));
+        });
+    };
+};
+export const deleteTodo_ = (id) => {
+    return {
+      type: actionTypes.DELETE_TODO,
+      targetID: id
+    };
+};
+export const deleteTodo = (id) => {
+    return dispatch => {
+      return axios.delete('/api/todo/' + id)
+        .then(res => dispatch(deleteTodo_(id)));
+    };
+};
+export const toggleTodo_ = (id) => {
+    return {
+      type: actionTypes.TOGGLE_DONE,
+      targetID: id
+    };
+};
+export const toggleTodo = (id) => {
+    return dispatch => {
+      return axios.put('/api/todo/' + id)
+        .then(res => dispatch(toggleTodo_(id)));
+    };
+};
+export const getTodo_ = (todo) => {
+    return { type: actionTypes.GET_TODO, target: todo };
+};
+
+export const getTodo = (id) => {
+    return dispatch => {
+        return axios.get('/api/todo/' + id)
+        .then(res => {
+            dispatch(getTodo_(res.data))
+        });
+    };
+};