Practice 4

package.json

@@ -1,20 +1,25 @@
 {
-  "name": "swpp-p3-react-tutorial",
+  "name": "name",
   "version": "0.1.0",
-  "private": true,
+  "private": false,
+  "proxy": "http://127.0.0.1:8000",
   "dependencies": {
+    "@reduxjs/toolkit": "^1.8.5",
     "@testing-library/jest-dom": "5.16.5",
     "@testing-library/react": "13.3.0",
     "@testing-library/user-event": "13.5.0",
     "@types/jest": "27.5.2",
     "@types/node": "16.11.56",
     "@types/react": "18.0.17",
     "@types/react-dom": "18.0.6",
+    "axios": "^0.27.2",
     "react": "^18.2.0",
     "react-dom": "^18.2.0",
+    "react-redux": "^8.0.4",
     "react-router": "6.3.0",
     "react-router-dom": "6.3.0",
     "react-scripts": "5.0.1",
+    "redux": "^4.2.0",
     "typescript": "4.7.4",
     "web-vitals": "2.1.4"
   },

src/components/Todo/Todo.tsx

@@ -2,18 +2,22 @@ import "./Todo.css";
 
 interface IProps {
   title: string;
-  clicked?: React.MouseEventHandler<HTMLDivElement>; // Defined by React
+  clickDetail?: React.MouseEventHandler<HTMLDivElement>; // Defined by React
+  clickDone?: () => void;
+  clickDelete?: () => void;
   done: boolean;
 }
 
 const Todo = (props: IProps) => {
   return (
     <div className="Todo">
-      <div className={`text ${props.done && "done"}`} onClick={props.clicked}>
+      <div className={`text ${props.done && "done"}`} 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>
-  );
+    );
 };
 export default Todo;

src/components/TodoDetail/TodoDetail.tsx

@@ -1,20 +1,33 @@
 import "./TodoDetail.css";
+import { useEffect } from "react";
+import { useDispatch, useSelector } from "react-redux";
+import { useParams } from "react-router";
+import { selectTodo, todoActions, fetchTodo } from "../../store/slices/todo";
+import { AppDispatch } from "../../store";
 
-type Props = {
-  title: string;
-  content: string;
-};
+// type Props = {
+//   title?: string;
+//   content?: string;
+// };
+
+const TodoDetail = () => {
+  const {id} = useParams();
+  const dispatch = useDispatch<AppDispatch>();
+  const todoState = useSelector(selectTodo);
+
+  useEffect(()=>{
+    dispatch(fetchTodo(Number(id)));
+  }, [id]);
 
-const TodoDetail = (props: Props) => {
   return (
     <div className="TodoDetail">
       <div className="row">
         <div className="left">Name:</div>
-        <div className="right">{props.title}</div>
+        <div className="right">{todoState.selectedTodo?.title}</div>
       </div>
       <div className="row">
         <div className="left">Content:</div>
-        <div className="right">{props.content}</div>
+        <div className="right">{todoState.selectedTodo?.content}</div>
       </div>
     </div>
   );

src/containers/TodoList/NewTodo/NewTodo.tsx

@@ -1,12 +1,16 @@
 import { useState } from "react";
+import { useDispatch } from "react-redux";
 import { Navigate } from "react-router-dom";
 // import { useNavigate } from "react-router-dom";
+import { AppDispatch } from "../../../store";
+import { postTodo } from "../../../store/slices/todo";
 import "./NewTodo.css";
 
 export default function NewTodo() {
   const [title, setTitle] = useState<string>("");
   const [content, setContent] = useState<string>("");
   const [submitted, setSubmitted] = useState<boolean>(false);
+  const dispatch = useDispatch<AppDispatch>();
 
   // const navigate = useNavigate()
   // const postTodoHandler = () => {
@@ -16,10 +20,14 @@ export default function NewTodo() {
   //   navigate('/todos')
   // };
 
-  const postTodoHandler = () => {
+  const postTodoHandler = async () => {
     const data = { title: title, content: content };
-    alert("Submitted\n" + data.title + "\n" + data.content);
-    setSubmitted(true);
+    const result = await dispatch(postTodo(data));
+    if (result.type === `${postTodo.typePrefix}/fulfilled`) {
+      setSubmitted(true);
+    } else {
+      alert("Error on post Todo");
+    }
   };
 
   if (submitted) {
@@ -44,4 +52,4 @@ export default function NewTodo() {
       </div>
     );
   }
-}
+}

src/containers/TodoList/TodoList.tsx

@@ -1,8 +1,12 @@
-import { useMemo, useState } from "react";
-import { NavLink } from "react-router-dom";
+import { useEffect, useMemo, useState } from "react";
 import Todo from "../../components/Todo/Todo";
 import TodoDetail from "../../components/TodoDetail/TodoDetail";
 import "./TodoList.css";
+import { useDispatch, useSelector } from "react-redux";
+import { fetchTodos, selectTodo, todoActions, deleteTodo, toggleDone } from "../../store/slices/todo";
+import { NavLink, useNavigate } from "react-router-dom";
+import axios from 'axios';
+import { AppDispatch } from "../../store";
 
 interface IProps {
   title: string;
@@ -13,6 +17,9 @@ type TodoType = { id: number; title: string; content: string; done: boolean };
 export default function TodoList(props: IProps) {
   const { title } = props;
   const [selectedTodo, setSelectedTodo] = useState<TodoType | null>(null);
+  const todoState = useSelector(selectTodo);
+  const dispatch = useDispatch<AppDispatch>();
+  const navigate = useNavigate();
 
   const [todos, setTodos] = useState<TodoType[]>([
     { id: 1, title: "SWPP", content: "take swpp class", done: true },
@@ -21,34 +28,53 @@ export default function TodoList(props: IProps) {
   ]);
 
   const clickTodoHandler = (td: TodoType) => {
-    if (selectedTodo === td) {
-      setSelectedTodo(null);
-    } else {
-      setSelectedTodo(td);
-    }
-  };
-
-  const todoDetail = useMemo(() => {
-    return selectedTodo ? (
-      <TodoDetail title={selectedTodo.title} content={selectedTodo.content} />
-    ) : null;
-  }, [selectedTodo]);
+    navigate("/todos/" + td.id)
+  }
+  useEffect(()=>{
+    dispatch(fetchTodos());
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [])
+
+  useEffect(()=> {
+    axios.get('/api/todo/')
+      .then(result => console.log(result));
+  })
+  // useEffect(() => {
+  //   axios.get('/api/todoerror')
+  //   .then(result => console.log(result))
+  //   .catch(err => console.log(err));
+  // })
+
+  // const clickTodoHandler = (td: TodoType) => {
+  //   if (selectedTodo === td) {
+  //     setSelectedTodo(null);
+  //   } else {
+  //     setSelectedTodo(td);
+  //   }
+  // };
+
+  // const todoDetail = useMemo(() => {
+  //   return selectedTodo ? (
+  //     <TodoDetail title={selectedTodo.title} content={selectedTodo.content} />
+  //   ) : null;
+  // }, [selectedTodo]);
 
   return (
     <div className="TodoList">
       <div className="title">{title}</div>
       <div className="todos">
-        {todos.map((td) => {
+        {todoState.todos.map((td) => {
           return (
             <Todo
-              key={`${td.id}_todo`}
-              title={td.title}
-              done={td.done}
-              clicked={() => clickTodoHandler(td)}
+            title={td.title}
+            done={td.done}
+            clickDetail={() => clickTodoHandler(td)}
+            clickDone={() => dispatch(toggleDone(td.id))}
+            clickDelete={() => dispatch(deleteTodo(td.id))}
             />
           );
         })}
-        {todoDetail}
+        {/* {todoDetail} */}
         <NavLink to="/new-todo" >New Todo</NavLink>
       </div>
     </div>

src/index.tsx

@@ -1,13 +1,18 @@
-import React from 'react';
-import ReactDOM from 'react-dom/client';
-import './index.css';
-import App from './App';
+import React from "react";
+import ReactDOM from "react-dom/client";
+import { Provider } from "react-redux";
+
+import "./index.css";
+import App from "./App";
+import { store } from "./store";
 
 const root = ReactDOM.createRoot(
-  document.getElementById('root') as HTMLElement
+  document.getElementById("root") as HTMLElement
 );
 root.render(
   <React.StrictMode>
-    <App />
+    <Provider store={store}>
+      <App />
+    </Provider>
   </React.StrictMode>
-);
+);

src/store/index.ts

@@ -0,0 +1,11 @@
+import { configureStore } from "@reduxjs/toolkit";
+import todoReducer from "./slices/todo"
+
+export const store = configureStore({ 
+  reducer: {
+    todo: todoReducer,
+  },
+}); // TODO
+
+export type RootState = ReturnType<typeof store.getState>;
+export type AppDispatch = typeof store.dispatch;

src/store/slices/todo.ts

@@ -0,0 +1,98 @@
+import { createSlice, PayloadAction, createAsyncThunk } from "@reduxjs/toolkit";
+import { RootState } from "..";
+import axios from 'axios';
+
+export interface TodoType { id: number; title: string; content: string; done: boolean; }
+export interface TodoState { todos: TodoType[]; selectedTodo: TodoType | null; }
+const initialState: TodoState = {
+  todos: [], selectedTodo: null,
+}; 
+
+export const todoSlice = createSlice({
+  name: "todo",
+  initialState,
+  reducers: {
+    getAll: (state, action: PayloadAction<{ todos: TodoType[] }>) => {},
+    getTodo: (state, action: PayloadAction<{ targetId: number }>) => {
+      const target = state.todos.find((td) => td.id === action.payload.targetId);
+      state.selectedTodo = target ?? null
+    },
+    addTodo: (
+      state,
+      action: PayloadAction<{ title: string; content: string }>
+      ) => {
+        const newTodo = {
+          id: state.todos[state.todos.length - 1].id + 1, // temporary
+          title: action.payload.title,
+          content: action.payload.content,
+          done: false,
+        };
+        state.todos.push(newTodo);
+    },
+    toggleDone: (state, action: PayloadAction<{ targetId: number }>) => {
+      const todo = state.todos.find(
+        (value) => value.id === action.payload.targetId
+      );
+      if(todo) todo.done = !todo.done;
+    },
+    deleteTodo: (state, action: PayloadAction<{ targetId: number }>) => {
+      const deleted = state.todos.filter((todo) => {
+        return todo.id !== action.payload.targetId;
+      });
+      state.todos = deleted;
+    },
+  },
+  extraReducers: (builder) => {
+    builder.addCase(fetchTodos.fulfilled, (state, action) => {
+      // Add user to the state array
+      state.todos = action.payload;
+    });
+    builder.addCase(fetchTodo.fulfilled,
+      (state, action) => {
+      state.selectedTodo = action.payload;
+    })
+    builder.addCase(postTodo.rejected, (_state, action) =>{
+      console.error(action.error); // postTodo.pending 이면 로딩 중에 다른 작업 가능
+    });
+  }
+});
+
+export const fetchTodos = createAsyncThunk("todo/fetchTodos", async () => {
+  const response = await axios.get<TodoType[]>("/api/todo/");
+  return response.data;
+});
+
+export const fetchTodo = createAsyncThunk(
+  "todo/fetchTodo",
+  async (id: TodoType["id"], { dispatch }) => {
+    const response = await axios.get(`/api/todo/${id}/`);
+    return response.data ?? null;
+  }
+);
+
+
+export const postTodo = createAsyncThunk(
+  "todo/postTodo",
+  async( td: Pick<TodoType, "title" | "content">, {dispatch}) => {
+    const response = await axios.post("/api/todo/", td);
+    dispatch(todoActions.addTodo(response.data));
+  }
+);
+export const deleteTodo = createAsyncThunk(
+  "todo/deleteTodo",
+  async (id: TodoType["id"], { dispatch }) => {
+    await axios.delete(`/api/todo/${id}/`);
+  dispatch(todoActions.deleteTodo({ targetId: id }));
+}
+);
+export const toggleDone = createAsyncThunk(
+  "todo/toggleDone",
+  async (id: TodoType["id"], { dispatch }) => {
+    await axios.put(`/api/todo/${id}/`);
+    dispatch(todoActions.toggleDone({ targetId: id }));
+  }
+);
+
+export const todoActions = todoSlice.actions;
+export const selectTodo = (state: RootState) => state.todo;
+export default todoSlice.reducer;