mirror of
https://github.com/wowlikon/LiB.git
synced 2026-02-04 04:31:09 +00:00
561 lines
18 KiB
JavaScript
561 lines
18 KiB
JavaScript
$(document).ready(function () {
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let selectedAuthors = new Map(); // Map<id, name>
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let selectedGenres = new Map(); // Map<id, name>
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let currentPage = 1;
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let pageSize = 20;
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let totalBooks = 0;
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Promise.all([
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fetch("/api/authors").then((response) => response.json()),
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fetch("/api/genres").then((response) => response.json()),
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])
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.then(([authorsData, genresData]) => {
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const $dropdown = $("#author-dropdown");
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authorsData.authors.forEach((author) => {
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$("<div>")
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.addClass("p-2 hover:bg-gray-100 cursor-pointer author-item")
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.attr("data-id", author.id)
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.attr("data-name", author.name)
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.text(author.name)
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.appendTo($dropdown);
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});
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const $list = $("#genres-list");
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genresData.genres.forEach((genre) => {
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$("<li>")
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.addClass("mb-1")
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.html(
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`<label class="custom-checkbox flex items-center">
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<input type="checkbox" data-id="${genre.id}" data-name="${genre.name}" />
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<span class="checkmark"></span>
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${genre.name}
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</label>`,
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)
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.appendTo($list);
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});
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initializeAuthorDropdown();
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initializeFilters();
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// Загружаем книги при старте
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loadBooks();
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})
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.catch((error) => console.error("Error loading data:", error));
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// === Функция загрузки книг ===
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function loadBooks() {
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const searchQuery = $("#book-search-input").val().trim();
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// Формируем URL с параметрами
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const params = new URLSearchParams();
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// Добавляем поиск (минимум 3 символа)
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if (searchQuery.length >= 3) {
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params.append("q", searchQuery);
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}
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// Добавляем авторов
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selectedAuthors.forEach((name, id) => {
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params.append("author_ids", id);
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});
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// Добавляем жанры
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selectedGenres.forEach((name, id) => {
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params.append("genre_ids", id);
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});
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// Пагинация
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params.append("page", currentPage);
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params.append("size", pageSize);
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const url = `/api/books/filter?${params.toString()}`;
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// Показываем индикатор загрузки
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showLoadingState();
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fetch(url)
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.then((response) => {
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if (!response.ok) {
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throw new Error(`HTTP error! status: ${response.status}`);
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}
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return response.json();
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})
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.then((data) => {
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totalBooks = data.total;
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renderBooks(data.books);
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renderPagination();
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})
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.catch((error) => {
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console.error("Error loading books:", error);
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showErrorState();
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});
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}
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// === Отображение книг ===
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function renderBooks(books) {
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const $container = $("#books-container");
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$container.empty();
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if (books.length === 0) {
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$container.html(`
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<div class="bg-white p-8 rounded-lg shadow-md text-center">
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<svg class="mx-auto h-12 w-12 text-gray-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6.253v13m0-13C10.832 5.477 9.246 5 7.5 5S4.168 5.477 3 6.253v13C4.168 18.477 5.754 18 7.5 18s3.332.477 4.5 1.253m0-13C13.168 5.477 14.754 5 16.5 5c1.747 0 3.332.477 4.5 1.253v13C19.832 18.477 18.247 18 16.5 18c-1.746 0-3.332.477-4.5 1.253"/>
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</svg>
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<h3 class="text-lg font-medium text-gray-900 mb-2">Книги не найдены</h3>
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<p class="text-gray-500">Попробуйте изменить параметры поиска или фильтры</p>
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</div>
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`);
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return;
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}
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books.forEach((book) => {
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const authorsText =
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book.authors.map((a) => a.name).join(", ") || "Автор неизвестен";
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const genresText =
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book.genres.map((g) => g.name).join(", ") || "Без жанра";
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const $bookCard = $(`
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<div class="bg-white p-4 rounded-lg shadow-md mb-4 hover:shadow-lg transition-shadow duration-200 cursor-pointer book-card" data-id="${book.id}">
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<div class="flex justify-between items-start">
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<div class="flex-1">
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<h3 class="text-lg font-bold mb-1 text-gray-900 hover:text-blue-600 transition-colors">
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${escapeHtml(book.title)}
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</h3>
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<p class="text-sm text-gray-600 mb-2">
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<span class="font-medium">Авторы:</span> ${escapeHtml(authorsText)}
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</p>
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<p class="text-gray-700 text-sm mb-2">
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${escapeHtml(book.description || "Описание отсутствует")}
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</p>
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<div class="flex flex-wrap gap-1">
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${book.genres
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.map(
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(g) => `
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<span class="inline-block bg-gray-100 text-gray-600 text-xs px-2 py-1 rounded-full">
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${escapeHtml(g.name)}
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</span>
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`,
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)
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.join("")}
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</div>
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</div>
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</div>
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</div>
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`);
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$container.append($bookCard);
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});
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// Обработчик клика на карточку книги
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$container.on("click", ".book-card", function () {
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const bookId = $(this).data("id");
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window.location.href = `/books/${bookId}`;
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});
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}
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// === Пагинация ===
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function renderPagination() {
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// Удаляем старую пагинацию
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$("#pagination-container").remove();
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const totalPages = Math.ceil(totalBooks / pageSize);
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if (totalPages <= 1) return;
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const $pagination = $(`
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<div id="pagination-container" class="flex justify-center items-center gap-2 mt-6 mb-4">
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<button id="prev-page" class="px-3 py-2 bg-white border border-gray-300 rounded-lg hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed" ${currentPage === 1 ? "disabled" : ""}>
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<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"/>
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</svg>
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</button>
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<div id="page-numbers" class="flex gap-1"></div>
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<button id="next-page" class="px-3 py-2 bg-white border border-gray-300 rounded-lg hover:bg-gray-50 disabled:opacity-50 disabled:cursor-not-allowed" ${currentPage === totalPages ? "disabled" : ""}>
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<svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/>
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</svg>
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</button>
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</div>
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`);
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const $pageNumbers = $pagination.find("#page-numbers");
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// Генерируем номера страниц
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const pages = generatePageNumbers(currentPage, totalPages);
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pages.forEach((page) => {
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if (page === "...") {
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$pageNumbers.append(`<span class="px-3 py-2">...</span>`);
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} else {
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const isActive = page === currentPage;
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$pageNumbers.append(`
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<button class="page-btn px-3 py-2 rounded-lg ${isActive ? "bg-gray-500 text-white" : "bg-white border border-gray-300 hover:bg-gray-50"}" data-page="${page}">
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${page}
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</button>
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`);
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}
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});
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$("#books-container").after($pagination);
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// Обработчики пагинации
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$("#prev-page").on("click", function () {
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if (currentPage > 1) {
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currentPage--;
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loadBooks();
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scrollToTop();
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}
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});
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$("#next-page").on("click", function () {
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if (currentPage < totalPages) {
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currentPage++;
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loadBooks();
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scrollToTop();
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}
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});
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$(".page-btn").on("click", function () {
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const page = parseInt($(this).data("page"));
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if (page !== currentPage) {
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currentPage = page;
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loadBooks();
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scrollToTop();
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}
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});
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}
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function generatePageNumbers(current, total) {
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const pages = [];
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const delta = 2;
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for (let i = 1; i <= total; i++) {
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if (
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i === 1 ||
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i === total ||
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(i >= current - delta && i <= current + delta)
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) {
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pages.push(i);
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} else if (pages[pages.length - 1] !== "...") {
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pages.push("...");
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}
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}
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return pages;
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}
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function scrollToTop() {
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$("html, body").animate({ scrollTop: 0 }, 300);
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}
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// === Состояния загрузки ===
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function showLoadingState() {
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const $container = $("#books-container");
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$container.html(`
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<div class="space-y-4">
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${Array(3)
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.fill()
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.map(
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() => `
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<div class="bg-white p-4 rounded-lg shadow-md animate-pulse">
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<div class="h-6 bg-gray-200 rounded w-3/4 mb-2"></div>
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<div class="h-4 bg-gray-200 rounded w-1/4 mb-2"></div>
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<div class="h-4 bg-gray-200 rounded w-full mb-2"></div>
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<div class="flex gap-2">
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<div class="h-6 bg-gray-200 rounded-full w-16"></div>
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<div class="h-6 bg-gray-200 rounded-full w-20"></div>
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</div>
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</div>
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`,
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)
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.join("")}
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</div>
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`);
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}
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function showErrorState() {
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const $container = $("#books-container");
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$container.html(`
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<div class="bg-red-50 p-8 rounded-lg shadow-md text-center">
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<svg class="mx-auto h-12 w-12 text-red-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 9v2m0 4h.01m-6.938 4h13.856c1.54 0 2.502-1.667 1.732-3L13.732 4c-.77-1.333-2.694-1.333-3.464 0L3.34 16c-.77 1.333.192 3 1.732 3z"/>
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</svg>
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<h3 class="text-lg font-medium text-red-900 mb-2">Ошибка загрузки</h3>
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<p class="text-red-700 mb-4">Не удалось загрузить список книг</p>
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<button id="retry-btn" class="bg-red-600 text-white px-4 py-2 rounded-lg hover:bg-red-700">
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Попробовать снова
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</button>
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</div>
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`);
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$("#retry-btn").on("click", loadBooks);
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}
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// === Экранирование HTML ===
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function escapeHtml(text) {
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if (!text) return "";
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const div = document.createElement("div");
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div.textContent = text;
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return div.innerHTML;
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}
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// === Dropdown авторов ===
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function initializeAuthorDropdown() {
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const $input = $("#author-search-input");
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const $dropdown = $("#author-dropdown");
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const $container = $("#selected-authors-container");
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function updateHighlights() {
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$dropdown.find(".author-item").each(function () {
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const id = $(this).attr("data-id");
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const isSelected = selectedAuthors.has(parseInt(id));
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$(this)
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.toggleClass("bg-gray-300 text-gray-600", isSelected)
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.toggleClass("hover:bg-gray-100", !isSelected);
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});
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}
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function filterDropdown(query) {
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const lowerQuery = query.toLowerCase();
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$dropdown.find(".author-item").each(function () {
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$(this).toggle($(this).text().toLowerCase().includes(lowerQuery));
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});
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}
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function renderChips() {
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$container.find(".author-chip").remove();
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selectedAuthors.forEach((name, id) => {
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$(`<span class="author-chip flex items-center bg-gray-500 text-white text-sm font-medium px-2.5 py-0.5 rounded-full">
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${escapeHtml(name)}
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<button type="button" class="remove-author ml-1.5 inline-flex items-center p-0.5 text-gray-200 hover:text-white hover:bg-gray-600 rounded-full" data-id="${id}">
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<svg class="w-3 h-3" fill="none" stroke="currentColor" viewBox="0 0 14 14">
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<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="m1 1 6 6m0 0 6 6M7 7l6-6M7 7l-6 6"/>
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</svg>
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</button>
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</span>`).insertBefore($input);
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});
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updateHighlights();
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}
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function toggleAuthor(id, name) {
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id = parseInt(id);
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if (selectedAuthors.has(id)) {
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selectedAuthors.delete(id);
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} else {
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selectedAuthors.add(id, name);
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selectedAuthors.set(id, name);
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}
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$input.val("");
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filterDropdown("");
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renderChips();
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}
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$input.on("focus", () => $dropdown.removeClass("hidden"));
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$input.on("input", function () {
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filterDropdown($(this).val().toLowerCase());
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$dropdown.removeClass("hidden");
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});
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$(document).on("click", (e) => {
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if (
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!$(e.target).closest("#selected-authors-container, #author-dropdown")
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.length
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) {
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$dropdown.addClass("hidden");
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}
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});
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$dropdown.on("click", ".author-item", function (e) {
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e.stopPropagation();
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toggleAuthor($(this).attr("data-id"), $(this).attr("data-name"));
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$input.focus();
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});
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$container.on("click", ".remove-author", function (e) {
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e.stopPropagation();
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selectedAuthors.delete(parseInt($(this).attr("data-id")));
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renderChips();
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$input.focus();
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});
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$container.on("click", (e) => {
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if (!$(e.target).closest(".author-chip").length) {
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$input.focus();
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}
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});
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window.renderAuthorChips = renderChips;
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window.updateAuthorHighlights = updateHighlights;
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}
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// === Инициализация фильтров ===
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function initializeFilters() {
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const $bookSearch = $("#book-search-input");
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const $applyBtn = $("#apply-filters-btn");
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const $resetBtn = $("#reset-filters-btn");
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// Обработка жанров
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$("#genres-list").on("change", "input[type='checkbox']", function () {
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const id = parseInt($(this).attr("data-id"));
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const name = $(this).attr("data-name");
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if ($(this).is(":checked")) {
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selectedGenres.set(id, name);
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} else {
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selectedGenres.delete(id);
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}
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});
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// Применить фильтры
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$applyBtn.on("click", function () {
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currentPage = 1; // Сбрасываем на первую страницу
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loadBooks();
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});
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// Сбросить фильтры
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$resetBtn.on("click", function () {
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$bookSearch.val("");
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selectedAuthors.clear();
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$("#selected-authors-container .author-chip").remove();
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if (window.updateAuthorHighlights) window.updateAuthorHighlights();
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selectedGenres.clear();
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$("#genres-list input[type='checkbox']").prop("checked", false);
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currentPage = 1;
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loadBooks();
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});
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// Поиск с дебаунсом
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let searchTimeout;
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$bookSearch.on("input", function () {
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clearTimeout(searchTimeout);
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const query = $(this).val().trim();
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// Автопоиск только если >= 3 символов или пусто
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if (query.length >= 3 || query.length === 0) {
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searchTimeout = setTimeout(() => {
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currentPage = 1;
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loadBooks();
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}, 500);
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}
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});
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// Поиск по Enter
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$bookSearch.on("keypress", function (e) {
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if (e.which === 13) {
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clearTimeout(searchTimeout);
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currentPage = 1;
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loadBooks();
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}
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});
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}
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// === Остальной код (пользователь/авторизация) ===
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const $guestLink = $("#guest-link");
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const $userBtn = $("#user-btn");
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const $userDropdown = $("#user-dropdown");
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const $userArrow = $("#user-arrow");
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const $userAvatar = $("#user-avatar");
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const $dropdownName = $("#dropdown-name");
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const $dropdownUsername = $("#dropdown-username");
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const $dropdownEmail = $("#dropdown-email");
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const $logoutBtn = $("#logout-btn");
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let isDropdownOpen = false;
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function openDropdown() {
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isDropdownOpen = true;
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$userDropdown.removeClass("hidden");
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$userArrow.addClass("rotate-180");
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}
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function closeDropdown() {
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isDropdownOpen = false;
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$userDropdown.addClass("hidden");
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$userArrow.removeClass("rotate-180");
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}
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$userBtn.on("click", function (e) {
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e.stopPropagation();
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isDropdownOpen ? closeDropdown() : openDropdown();
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});
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$(document).on("click", function (e) {
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if (isDropdownOpen && !$(e.target).closest("#user-menu-container").length) {
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closeDropdown();
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}
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});
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$(document).on("keydown", function (e) {
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if (e.key === "Escape" && isDropdownOpen) {
|
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closeDropdown();
|
||
}
|
||
});
|
||
|
||
$logoutBtn.on("click", function () {
|
||
localStorage.removeItem("access_token");
|
||
localStorage.removeItem("refresh_token");
|
||
window.location.reload();
|
||
});
|
||
|
||
function showGuest() {
|
||
$guestLink.removeClass("hidden");
|
||
$userBtn.addClass("hidden").removeClass("flex");
|
||
closeDropdown();
|
||
}
|
||
|
||
function showUser(user) {
|
||
$guestLink.addClass("hidden");
|
||
$userBtn.removeClass("hidden").addClass("flex");
|
||
|
||
const displayName = user.full_name || user.username;
|
||
const firstLetter = displayName.charAt(0).toUpperCase();
|
||
|
||
$userAvatar.text(firstLetter);
|
||
$dropdownName.text(displayName);
|
||
$dropdownUsername.text("@" + user.username);
|
||
$dropdownEmail.text(user.email);
|
||
}
|
||
|
||
function updateUserAvatar(email) {
|
||
if (!email) return;
|
||
const cleanEmail = email.trim().toLowerCase();
|
||
const emailHash = sha256(cleanEmail);
|
||
|
||
const avatarUrl = `https://www.gravatar.com/avatar/${emailHash}?d=identicon&s=200`;
|
||
const avatarImg = document.getElementById("user-avatar");
|
||
if (avatarImg) {
|
||
avatarImg.src = avatarUrl;
|
||
}
|
||
}
|
||
|
||
const token = localStorage.getItem("access_token");
|
||
|
||
if (!token) {
|
||
showGuest();
|
||
} else {
|
||
fetch("/api/auth/me", {
|
||
headers: { Authorization: "Bearer " + token },
|
||
})
|
||
.then((response) => {
|
||
if (response.ok) return response.json();
|
||
throw new Error("Unauthorized");
|
||
})
|
||
.then((user) => {
|
||
showUser(user);
|
||
updateUserAvatar(user.email);
|
||
|
||
document.getElementById("user-btn").classList.remove("hidden");
|
||
document.getElementById("guest-link").classList.add("hidden");
|
||
})
|
||
.catch(() => {
|
||
localStorage.removeItem("access_token");
|
||
localStorage.removeItem("refresh_token");
|
||
showGuest();
|
||
});
|
||
}
|
||
});
|