random-users/index.html at master · ChenRoth/random-users · GitHub

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<!DOCTYPE html>
<html>

<head>
    <title>Random Users!</title>
    <script src="https://code.jquery.com/jquery-3.3.1.js"></script>
    <script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
    <link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" />
    <script>
        $().ready(() => {
            const USER_API_URL = 'https://randomuser.me/api';
            const USERS_PER_ROW = 3;
            const state = {
                users: [],
                nextId: 0,
                currentEditedUserId: null,
            };

            $('.get-user-button').on('click', () => {
                getUser(appendUserElement);
            });

            for (let i = 0; i < 10; i++) {
                getUser(appendUserElement);
            }

            $('.print-state-button').on('click', () => {
                console.log(state);
            });

            $('#edit-user-form').on('submit', (e) => {
                e.preventDefault();

                const form = e.currentTarget;

                const fullName = form.name.value;
                const [first, last] = fullName.split(' ');

                const editedFields = {
                    name: {first: first, last: last},
                    email: form.email.value
                };

                const editedUserId = state.currentEditedUserId;
                editUserInState(editedUserId, editedFields);
                editUserInHTML(editedUserId);
                closeEditForm();
            });

            function getUser(onUserReceived) {
                $.get({
                    url: USER_API_URL,
                    success: (response) => {
                        const user = response.results[0];
                        const userWithNewId = addUserToState(user);
                        onUserReceived(userWithNewId);
                    }
                });
            }

            function appendUserElement(user) {
                const $user = $(
                    `
                         <div class="user col-12 col-md-${Math.floor(12 / USERS_PER_ROW)}">
                                <img src="${user.picture.large}"/>
                                <div>
                                    <p class="name">${user.name.first} ${user.name.last}</p>
                                    <p class="email">${user.email}</p>
                                    <button class="delete-button">DELETE</button>
                                    <button class="edit-button">EDIT</button>
                                </div>
                            </div>
                        `
                );

                $user.find('.delete-button').on('click', () => {
                    // remove user from HTML
                    $user.remove();

                    // remove user from state
                    removeUserFromState(user)
                });

                $user.find('.edit-button').on('click', () => {
                    state.currentEditedUserId = user.id;

                    prefillEditForm(user);
                    openEditForm();
                });

                if (state.users.length % USERS_PER_ROW === 0) {
                    $('.container').append($('<div class="row"></div>'));
                }

                $('.row:last').append($user);
            }

            function prefillEditForm(user) {
                const $modal = $('#edit-modal');
                $modal.find('input[name=name]').val(`${user.name.first} ${user.name.last}`);
                $modal.find('input[name=email]').val(user.email);
            }

            function openEditForm() {
                const $modal = $('#edit-modal');
                $modal.modal('show');
            }

            function closeEditForm() {
                const $modal = $('#edit-modal');
                $modal.modal('hide');
            }

            function editUserInHTML(id) {
                const userIndex = findUserIndex(id);
                const user = state.users[userIndex];
                // we use the selector '.user:eq(x)' to avoid iterating over ALL .user in DOM
                // this selector will cause jQuery to stop iterating once we get .user:eq(x)
                const $user = $(`.user:eq(${userIndex})`);
                $user.find('.name').text(`${user.name.first} ${user.name.last}`);
                $user.find('.email').text(user.email);
            }

            function editUserInState(id, fields) {
                const userIndex = findUserIndex(id);
                state.users[userIndex] = Object.assign(state.users[userIndex], fields);
            }

            function removeUserFromState(user) {
                const userIndex = findUserIndex(user.id);
                state.users.splice(userIndex, 1);
            }

            function addUserToState(user) {
                const modifiedUser = Object.assign(user, {
                    id: state.nextId++
                });
                state.users.push(modifiedUser);
                return modifiedUser;
            }

            function findUserIndex(id) {
                const userIndex = state.users.findIndex(testedUser => testedUser.id === id);
                // verify that user exists in state.users
                if (userIndex === -1) {
                    throw new Error(`user index '${id}' is illegal`);
                }
                return userIndex;
            }
        });
    </script>
</head>

<body>
    <div class="app">
        <button class="print-state-button">PRINT STATE</button>
        <button class="get-user-button">GET USER</button>
        <div class="container">
        </div>
    </div>
    <div id="edit-modal" class="modal fade" role="dialog">
        <div class="modal-dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <h4 class="modal-title">Edit User</h4>
                    <button type="button" class="close" data-dismiss="modal">&times;</button>
                </div>
                <form id="edit-user-form" class="form">
                    <div class="modal-body">
                        <div>
                            <label for="name">Name</label>
                            <input id="name" class="form-control" name="name" />
                        </div>
                        <div>
                            <label for="email">Email</label>
                            <input id="email" class="form-control" name="email" />
                        </div>
                    </div>
                    <div class="modal-footer">
                        <button type="submit" class="btn btn-success">Save</button>
                        <button type="button" class="btn btn-danger" data-dismiss="modal">Cancel</button>
                    </div>
                </form>
            </div>

        </div>
    </div>
</body>

</html>