Solution 1.1

README.md

@@ -70,4 +70,4 @@ Filter todos by status `All` / `Active` / `Completed`:
 - Install Prettier Extention and use this [VSCode settings](https://mate-academy.github.io/fe-program/tools/vscode/settings.json) to enable format on save.
 - Implement a solution following the [React task guideline](https://github.com/mate-academy/react_task-guideline#react-tasks-guideline).
 - Use the [React TypeScript cheat sheet](https://mate-academy.github.io/fe-program/js/extra/react-typescript).
-- Replace `<your_account>` with your Github username in the [DEMO LINK](https://<your_account>.github.io/react_todo-app-loading-todos/) and add it to the PR description.
+- Replace `<your_account>` with your Github username in the [DEMO LINK](https://sborichevskyi.github.io/react_todo-app-loading-todos/) and add it to the PR description.

src/App.tsx

@@ -1,204 +1,84 @@
 /* eslint-disable jsx-a11y/label-has-associated-control */
 /* eslint-disable jsx-a11y/control-has-associated-label */
-import React from 'react';
+import React, { useEffect, useState } from 'react';
 import { UserWarning } from './UserWarning';
-import { USER_ID } from './api/todos';
+import { FilterEnum, getTodos, USER_ID } from './api/todos';
+import { Todo } from './types/Todo';
+import { Header } from './components/Header';
+import { TodoList } from './components/TodoList';
+import { Footer } from './components/Footer';
+import { ErrorNotifications } from './components/ErrorNotifications';
 
 export const App: React.FC = () => {
-  if (!USER_ID) {
-    return <UserWarning />;
-  }
-
-  return (
-    <div className="todoapp">
-      <h1 className="todoapp__title">todos</h1>
-
-      <div className="todoapp__content">
-        <header className="todoapp__header">
-          {/* this button should have `active` class only if all todos are completed */}
-          <button
-            type="button"
-            className="todoapp__toggle-all active"
-            data-cy="ToggleAllButton"
-          />
-
-          {/* Add a todo on form submit */}
-          <form>
-            <input
-              data-cy="NewTodoField"
-              type="text"
-              className="todoapp__new-todo"
-              placeholder="What needs to be done?"
-            />
-          </form>
-        </header>
-
-        <section className="todoapp__main" data-cy="TodoList">
-          {/* This is a completed todo */}
-          <div data-cy="Todo" className="todo completed">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-                checked
-              />
-            </label>
-
-            <span data-cy="TodoTitle" className="todo__title">
-              Completed Todo
-            </span>
-
-            {/* Remove button appears only on hover */}
-            <button type="button" className="todo__remove" data-cy="TodoDelete">
-              ×
-            </button>
-
-            {/* overlay will cover the todo while it is being deleted or updated */}
-            <div data-cy="TodoLoader" className="modal overlay">
-              <div className="modal-background has-background-white-ter" />
-              <div className="loader" />
-            </div>
-          </div>
+  const [visibleTodos, setVisibleTodos] = useState<Todo[]>([]);
+  const [allTodos, setAllTodos] = useState<Todo[]>([]);
 
-          {/* This todo is an active todo */}
-          <div data-cy="Todo" className="todo">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-              />
-            </label>
+  const [, setLoading] = useState(false);
 
-            <span data-cy="TodoTitle" className="todo__title">
-              Not Completed Todo
-            </span>
-            <button type="button" className="todo__remove" data-cy="TodoDelete">
-              ×
-            </button>
+  const [error, setError] = useState(false);
+  const [errorMessage, setErrorMessage] = useState('');
 
-            <div data-cy="TodoLoader" className="modal overlay">
-              <div className="modal-background has-background-white-ter" />
-              <div className="loader" />
-            </div>
-          </div>
+  const [inputText, setInputText] = useState('');
 
-          {/* This todo is being edited */}
-          <div data-cy="Todo" className="todo">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-              />
-            </label>
+  const [selectedFilter, setSelectedFilter] = useState(FilterEnum.ALL);
 
-            {/* This form is shown instead of the title and remove button */}
-            <form>
-              <input
-                data-cy="TodoTitleField"
-                type="text"
-                className="todo__title-field"
-                placeholder="Empty todo will be deleted"
-                value="Todo is being edited now"
-              />
-            </form>
+  const [completedLentgh, setCompletedLentgh] = useState(0);
 
-            <div data-cy="TodoLoader" className="modal overlay">
-              <div className="modal-background has-background-white-ter" />
-              <div className="loader" />
-            </div>
-          </div>
+  useEffect(() => {
+    setLoading(true);
+    getTodos()
+      .then(todosFromServer => {
+        setAllTodos(todosFromServer);
+        setVisibleTodos(todosFromServer);
+        setCompletedLentgh(
+          todosFromServer.filter(todo => !todo.completed).length,
+        );
+      })
+      .catch(() => {
+        setError(true);
+        setErrorMessage('Unable to load todos');
+      })
+      .finally(() => setLoading(false));
+  }, []);
 
-          {/* This todo is in loadind state */}
-          <div data-cy="Todo" className="todo">
-            <label className="todo__status-label">
-              <input
-                data-cy="TodoStatus"
-                type="checkbox"
-                className="todo__status"
-              />
-            </label>
-
-            <span data-cy="TodoTitle" className="todo__title">
-              Todo is being saved now
-            </span>
+  if (!USER_ID) {
+    return <UserWarning />;
+  }
 
-            <button type="button" className="todo__remove" data-cy="TodoDelete">
-              ×
-            </button>
+  return (
+    <div className="todoapp">
+      <h1 className="todoapp__title">todos</h1>
 
-            {/* 'is-active' class puts this modal on top of the todo */}
-            <div data-cy="TodoLoader" className="modal overlay is-active">
-              <div className="modal-background has-background-white-ter" />
-              <div className="loader" />
-            </div>
-          </div>
-        </section>
+      <div className="todoapp__content">
+        <Header
+          visibleTodos={visibleTodos}
+          inputText={inputText}
+          error={error}
+          setInputText={setInputText}
+          setError={setError}
+          setErrorMessage={setErrorMessage}
+          setVisibleTodos={setVisibleTodos}
+        />
+        <TodoList visibleTodos={visibleTodos} />
 
         {/* Hide the footer if there are no todos */}
-        <footer className="todoapp__footer" data-cy="Footer">
-          <span className="todo-count" data-cy="TodosCounter">
-            3 items left
-          </span>
-
-          {/* Active link should have the 'selected' class */}
-          <nav className="filter" data-cy="Filter">
-            <a
-              href="#/"
-              className="filter__link selected"
-              data-cy="FilterLinkAll"
-            >
-              All
-            </a>
-
-            <a
-              href="#/active"
-              className="filter__link"
-              data-cy="FilterLinkActive"
-            >
-              Active
-            </a>
-
-            <a
-              href="#/completed"
-              className="filter__link"
-              data-cy="FilterLinkCompleted"
-            >
-              Completed
-            </a>
-          </nav>
-
-          {/* this button should be disabled if there are no completed todos */}
-          <button
-            type="button"
-            className="todoapp__clear-completed"
-            data-cy="ClearCompletedButton"
-          >
-            Clear completed
-          </button>
-        </footer>
+        {allTodos.length > 0 && (
+          <Footer
+            selectedFilter={selectedFilter}
+            setSelectedFilter={setSelectedFilter}
+            setVisibleTodos={setVisibleTodos}
+            completedLentgh={completedLentgh}
+            allTodos={allTodos}
+          />
+        )}
       </div>
 
-      {/* DON'T use conditional rendering to hide the notification */}
-      {/* Add the 'hidden' class to hide the message smoothly */}
-      <div
-        data-cy="ErrorNotification"
-        className="notification is-danger is-light has-text-weight-normal"
-      >
-        <button data-cy="HideErrorButton" type="button" className="delete" />
-        {/* show only one message at a time */}
-        Unable to load todos
-        <br />
-        Title should not be empty
-        <br />
-        Unable to add a todo
-        <br />
-        Unable to delete a todo
-        <br />
-        Unable to update a todo
-      </div>
+      <ErrorNotifications
+        error={error}
+        errorMessage={errorMessage}
+        setError={setError}
+        setErrorMessage={setErrorMessage}
+      />
     </div>
   );
 };

src/api/todos.ts

@@ -1,10 +1,99 @@
 import { Todo } from '../types/Todo';
 import { client } from '../utils/fetchClient';
 
-export const USER_ID = 0;
+export const USER_ID = 2248;
 
 export const getTodos = () => {
   return client.get<Todo[]>(`/todos?userId=${USER_ID}`);
 };
 
-// Add more methods here
+export const getCompletedTodos = (visibleTodos: Todo[]) => {
+  return visibleTodos.filter(todo => todo.completed);
+};
+
+export const getActiveTodos = (visibleTodos: Todo[]) => {
+  return visibleTodos.filter(todo => !todo.completed);
+};
+
+export const createNewTodo = async (
+  inputText: string,
+  setError: React.Dispatch<React.SetStateAction<boolean>>,
+  setErrorMessage: React.Dispatch<React.SetStateAction<string>>,
+  setVisibleTodos: React.Dispatch<React.SetStateAction<Todo[]>>,
+  setInputText: React.Dispatch<React.SetStateAction<string>>,
+) => {
+  try {
+    const todos = await getTodos();
+
+    const newId =
+      todos.length === 0 ? 1 : Math.max(...todos.map(todo => todo.id)) + 1;
+
+    const newTodo: Todo = {
+      id: newId,
+      userId: 2248,
+      title: inputText.trim(),
+      completed: false,
+    };
+
+    await client.post(`/todos?userId=${USER_ID}`, newTodo);
+    setVisibleTodos(prevTodos => [...prevTodos, newTodo]);
+    setInputText('');
+  } catch (error) {
+    setError(true);
+    setErrorMessage('Unable to create a new todo');
+  }
+};
+
+export enum FilterEnum {
+  ALL = 'all',
+  ACTIVE = 'active',
+  COMPLETED = 'completed',
+}
+
+export const addTodo = (
+  inputText: string,
+  setError: React.Dispatch<React.SetStateAction<boolean>>,
+  setErrorMessage: React.Dispatch<React.SetStateAction<string>>,
+  setVisibleTodos: React.Dispatch<React.SetStateAction<Todo[]>>,
+  setInputText: React.Dispatch<React.SetStateAction<string>>,
+) => {
+  if (inputText.trim() === '') {
+    setError(true);
+    setErrorMessage('Title should not be empty');
+  } else {
+    createNewTodo(
+      inputText,
+      setError,
+      setErrorMessage,
+      setVisibleTodos,
+      setInputText,
+    );
+  }
+};
+
+export const filterTodos = async (
+  curFilter: FilterEnum,
+  setVisibleTodos: React.Dispatch<React.SetStateAction<Todo[]>>,
+  allTodos: Todo[],
+) => {
+  switch (curFilter) {
+    case FilterEnum.ALL:
+      setVisibleTodos(allTodos);
+
+      break;
+    case FilterEnum.ACTIVE:
+      const activeTodos = getActiveTodos(allTodos);
+
+      setVisibleTodos(activeTodos);
+
+      break;
+    case FilterEnum.COMPLETED:
+      const completedTodos = getCompletedTodos(allTodos);
+
+      setVisibleTodos(completedTodos);
+
+      break;
+    default:
+      throw new Error(`Unsupported filter type: ${curFilter}`);
+  }
+};