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LibraryAPI/library_service/static/page/book.js

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$(document).ready(() => {
const STATUS_CONFIG = {
active: {
label: "Доступна",
bgClass: "bg-green-100",
textClass: "text-green-800",
icon: `<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path></svg>`,
},
borrowed: {
label: "Выдана",
bgClass: "bg-yellow-100",
textClass: "text-yellow-800",
icon: `<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 8v4l3 3m6-3a9 9 0 11-18 0 9 9 0 0118 0z"></path></svg>`,
},
reserved: {
label: "Забронирована",
bgClass: "bg-blue-100",
textClass: "text-blue-800",
icon: `<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M8 7V3m8 4V3m-9 8h10M5 21h14a2 2 0 002-2V7a2 2 0 00-2-2H5a2 2 0 00-2 2v12a2 2 0 002 2z"></path></svg>`,
},
restoration: {
label: "На реставрации",
bgClass: "bg-orange-100",
textClass: "text-orange-800",
icon: `<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19.428 15.428a2 2 0 00-1.022-.547l-2.387-.477a6 6 0 00-3.86.517l-.318.158a6 6 0 01-3.86.517L6.05 15.21a2 2 0 00-1.806.547M8 4h8l-1 1v5.172a2 2 0 00.586 1.414l5 5c1.26 1.26.367 3.414-1.415 3.414H4.828c-1.782 0-2.674-2.154-1.414-3.414l5-5A2 2 0 009 10.172V5L8 4z"></path></svg>`,
},
written_off: {
label: "Списана",
bgClass: "bg-red-100",
textClass: "text-red-800",
icon: `<svg class="w-4 h-4" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M18.364 18.364A9 9 0 005.636 5.636m12.728 12.728A9 9 0 015.636 5.636m12.728 12.728L5.636 5.636"></path></svg>`,
},
};
const pathParts = window.location.pathname.split("/");
const bookId = parseInt(pathParts[pathParts.length - 1]);
let currentBook = null;
let cachedUsers = null;
let selectedLoanUserId = null;
let activeLoan = null;
init();
function init() {
if (!bookId || isNaN(bookId)) {
Utils.showToast("Некорректный ID книги", "error");
return;
}
loadBookData();
setupEventHandlers();
}
function setupEventHandlers() {
$(document).on("click", (e) => {
const $menu = $("#status-menu");
const $toggleBtn = $("#status-toggle-btn");
if (
$menu.length &&
!$menu.hasClass("hidden") &&
!$toggleBtn.is(e.target) &&
$toggleBtn.has(e.target).length === 0 &&
!$menu.has(e.target).length
) {
$menu.addClass("hidden");
}
});
$("#cancel-loan-btn").on("click", closeLoanModal);
$("#user-search-input").on("input", handleUserSearch);
$("#confirm-loan-btn").on("click", submitLoan);
$("#refresh-loans-btn").on("click", loadLoans);
const future = new Date();
future.setDate(future.getDate() + 14);
$("#loan-due-date").val(future.toISOString().split("T")[0]);
}
function loadBookData() {
Api.get(`/api/books/${bookId}`)
.then((book) => {
currentBook = book;
document.title = `LiB - ${book.title}`;
renderBook(book);
if (window.canManage()) {
$("#edit-book-btn")
.attr("href", `/book/${book.id}/edit`)
.removeClass("hidden");
$("#loans-section").removeClass("hidden");
loadLoans();
}
})
.catch((error) => {
console.error(error);
Utils.showToast("Книга не найдена", "error");
$("#book-loader").html(
'<p class="text-center text-red-500 w-full p-4">Ошибка загрузки</p>',
);
});
}
async function loadLoans() {
if (!window.canManage()) return;
try {
const data = await Api.get(
`/api/loans/?book_id=${bookId}&active_only=true&page=1&size=10`,
);
activeLoan = data.loans.length > 0 ? data.loans[0] : null;
renderLoans(data.loans);
} catch (error) {
console.error("Failed to load loans", error);
$("#loans-container").html(
'<div class="text-center text-red-500 py-4">Ошибка загрузки выдач</div>',
);
}
}
function renderLoans(loans) {
const $container = $("#loans-container");
$container.empty();
if (!loans || loans.length === 0) {
$container.html(
'<div class="text-center text-gray-500 py-8">Нет активных выдач</div>',
);
return;
}
loans.forEach((loan) => {
const borrowedDate = new Date(loan.borrowed_at).toLocaleDateString(
"ru-RU",
);
const dueDate = new Date(loan.due_date).toLocaleDateString("ru-RU");
const isOverdue =
!loan.returned_at && new Date(loan.due_date) < new Date();
const $loanCard = $(`
<div class="border border-gray-200 rounded-lg p-4 ${
isOverdue ? "bg-red-50 border-red-300" : "bg-gray-50"
}">
<div class="flex items-start justify-between">
<div class="flex-1">
<div class="flex items-center gap-2 mb-2">
<span class="font-medium text-gray-900">ID выдачи: ${loan.id}</span>
${
isOverdue
? '<span class="px-2 py-1 bg-red-100 text-red-800 text-xs rounded-full">Просрочена</span>'
: ""
}
</div>
<p class="text-sm text-gray-600 mb-1">
<span class="font-medium">Дата выдачи:</span> ${borrowedDate}
</p>
<p class="text-sm text-gray-600 mb-1">
<span class="font-medium">Срок возврата:</span> ${dueDate}
</p>
<p class="text-sm text-gray-600">
<span class="font-medium">Пользователь ID:</span> ${loan.user_id}
</p>
</div>
<div class="flex flex-col gap-2">
${
!loan.returned_at && currentBook.status === "reserved"
? `<button class="confirm-loan-btn px-3 py-1.5 bg-blue-600 text-white text-sm rounded hover:bg-blue-700 transition-colors" data-loan-id="${loan.id}">
Подтвердить
</button>`
: ""
}
${
!loan.returned_at
? `<button class="return-loan-btn px-3 py-1.5 bg-green-600 text-white text-sm rounded hover:bg-green-700 transition-colors" data-loan-id="${loan.id}">
Вернуть
</button>`
: ""
}
</div>
</div>
</div>
`);
$loanCard.find(".confirm-loan-btn").on("click", function () {
const loanId = $(this).data("loan-id");
confirmLoan(loanId);
});
$loanCard.find(".return-loan-btn").on("click", function () {
const loanId = $(this).data("loan-id");
returnLoan(loanId);
});
$container.append($loanCard);
});
}
async function confirmLoan(loanId) {
try {
await Api.post(`/api/loans/${loanId}/confirm`);
Utils.showToast("Бронь подтверждена", "success");
loadBookData();
loadLoans();
} catch (error) {
console.error(error);
Utils.showToast(error.message || "Ошибка подтверждения брони", "error");
}
}
async function returnLoan(loanId) {
if (!confirm("Вы уверены, что хотите вернуть эту книгу?")) {
return;
}
try {
await Api.post(`/api/loans/${loanId}/return`);
Utils.showToast("Книга возвращена", "success");
loadBookData();
loadLoans();
} catch (error) {
console.error(error);
Utils.showToast(error.message || "Ошибка возврата книги", "error");
}
}
function getStatusConfig(status) {
return (
STATUS_CONFIG[status] || {
label: status || "Неизвестно",
bgClass: "bg-gray-100",
textClass: "text-gray-800",
icon: "",
}
);
}
function renderBook(book) {
$("#book-title").text(book.title);
$("#book-id").text(`ID: ${book.id}`);
$("#book-authors-text").text(
book.authors.map((a) => a.name).join(", ") || "Автор неизвестен",
);
$("#book-description").text(book.description || "Описание отсутствует");
renderStatusWidget(book);
if (!window.canManage() && book.status === "active") {
renderReserveButton();
} else {
$("#book-actions-container").empty();
}
if (book.genres && book.genres.length > 0) {
$("#genres-section").removeClass("hidden");
const $genres = $("#genres-container");
$genres.empty();
book.genres.forEach((g) => {
$genres.append(`
<a href="/books?genre_id=${g.id}" class="inline-flex items-center bg-gray-100 hover:bg-gray-200 text-gray-700 px-3 py-1 rounded-full text-sm transition-colors border border-gray-200">
${Utils.escapeHtml(g.name)}
</a>
`);
});
}
if (book.authors && book.authors.length > 0) {
$("#authors-section").removeClass("hidden");
const $authors = $("#authors-container");
$authors.empty();
book.authors.forEach((a) => {
$authors.append(`
<a href="/author/${a.id}" class="flex items-center bg-white hover:bg-gray-50 rounded-lg p-2 border border-gray-200 shadow-sm transition-colors group">
<div class="w-8 h-8 bg-gray-200 text-gray-600 group-hover:bg-gray-300 rounded-full flex items-center justify-center text-sm font-bold mr-2 transition-colors">
${a.name.charAt(0).toUpperCase()}
</div>
<span class="text-gray-800 font-medium text-sm">${Utils.escapeHtml(a.name)}</span>
</a>
`);
});
}
$("#book-loader").addClass("hidden");
$("#book-content").removeClass("hidden");
}
function renderStatusWidget(book) {
const $container = $("#book-status-container");
$container.empty();
const config = getStatusConfig(book.status);
if (window.canManage()) {
const $dropdownHTML = $(`
<div class="relative inline-block text-left w-full md:w-auto">
<button id="status-toggle-btn" type="button" class="w-full justify-center md:w-auto inline-flex items-center px-4 py-2 rounded-full text-sm font-semibold transition-all shadow-sm ${config.bgClass} ${config.textClass} hover:opacity-90 focus:outline-none focus:ring-2 focus:ring-offset-2 focus:ring-gray-400">
${config.icon}
<span class="ml-2">${config.label}</span>
<svg class="ml-2 -mr-1 h-4 w-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M19 9l-7 7-7-7"></path>
</svg>
</button>
<div id="status-menu" class="hidden absolute left-0 md:left-1/2 md:-translate-x-1/2 mt-2 w-56 rounded-xl shadow-lg bg-white ring-1 ring-black ring-opacity-5 focus:outline-none overflow-hidden z-20">
<div class="py-1" role="menu">
${Object.entries(STATUS_CONFIG)
.map(([key, conf]) => {
const isCurrent = book.status === key;
return `
<button class="status-option w-full text-left px-4 py-2.5 text-sm hover:bg-gray-50 flex items-center gap-2 ${isCurrent ? "bg-gray-50 font-medium" : "text-gray-700"}"
data-status="${key}">
<span class="inline-flex items-center justify-center w-6 h-6 rounded-full ${conf.bgClass} ${conf.textClass}">
${conf.icon}
</span>
<span>${conf.label}</span>
${isCurrent ? '<svg class="ml-auto h-4 w-4 text-gray-500" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M5 13l4 4L19 7"></path></svg>' : ""}
</button>
`;
})
.join("")}
</div>
</div>
</div>
`);
$container.append($dropdownHTML);
$("#status-toggle-btn").on("click", (e) => {
e.stopPropagation();
$("#status-menu").toggleClass("hidden");
});
$(".status-option").on("click", function () {
const newStatus = $(this).data("status");
$("#status-menu").addClass("hidden");
if (newStatus === currentBook.status) return;
if (newStatus === "borrowed") {
openLoanModal();
} else {
updateBookStatus(newStatus);
}
});
} else {
$container.append(`
<span class="inline-flex items-center px-4 py-1.5 rounded-full text-sm font-medium ${config.bgClass} ${config.textClass} shadow-sm">
${config.icon}
${config.label}
</span>
`);
}
}
function renderReserveButton() {
const $container = $("#book-actions-container");
$container.html(`
<button id="reserve-btn" class="w-full flex items-center justify-center px-4 py-2.5 bg-gray-800 text-white font-medium rounded-lg hover:bg-gray-700 focus:outline-none focus:ring-2 focus:ring-gray-500 focus:ring-offset-2 transition-all shadow-sm">
<svg class="w-5 h-5 mr-2" fill="none" stroke="currentColor" viewBox="0 0 24 24">
<path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M12 6v6m0 0v6m0-6h6m-6 0H6"></path>
</svg>
Зарезервировать
</button>
`);
$("#reserve-btn").on("click", function () {
const user = window.getUser();
if (!user) {
Utils.showToast("Необходима авторизация", "error");
return;
}
Api.post("/api/loans/", {
book_id: currentBook.id,
user_id: user.id,
due_date: new Date(Date.now() + 14 * 24 * 60 * 60 * 1000).toISOString(),
})
.then((loan) => {
Utils.showToast("Книга забронирована", "success");
loadBookData();
})
.catch((err) => {
Utils.showToast(err.message || "Ошибка бронирования", "error");
});
});
}
async function updateBookStatus(newStatus) {
const $toggleBtn = $("#status-toggle-btn");
const originalContent = $toggleBtn.html();
$toggleBtn.prop("disabled", true).addClass("opacity-75").html(`
<svg class="animate-spin h-4 w-4 mr-2" fill="none" viewBox="0 0 24 24"><circle class="opacity-25" cx="12" cy="12" r="10" stroke="currentColor" stroke-width="4"></circle><path class="opacity-75" fill="currentColor" d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"></path></svg>
Обновление...
`);
try {
const payload = {
status: newStatus,
};
const updatedBook = await Api.put(
`/api/books/${currentBook.id}`,
payload,
);
currentBook = updatedBook;
Utils.showToast("Статус успешно изменен", "success");
renderStatusWidget(updatedBook);
loadLoans();
} catch (error) {
console.error(error);
Utils.showToast(error.message || "Ошибка при смене статуса", "error");
$toggleBtn
.prop("disabled", false)
.removeClass("opacity-75")
.html(originalContent);
}
}
function openLoanModal() {
$("#loan-modal").removeClass("hidden");
$("#user-search-input").val("")[0].focus();
$("#users-list-container").html(
'<div class="p-4 text-center text-gray-500 text-sm">Загрузка списка пользователей...</div>',
);
$("#confirm-loan-btn").prop("disabled", true);
selectedLoanUserId = null;
fetchUsers();
}
function closeLoanModal() {
$("#loan-modal").addClass("hidden");
}
async function fetchUsers() {
if (cachedUsers) {
renderUsersList(cachedUsers);
return;
}
try {
const data = await Api.get("/api/auth/users?skip=0&limit=500");
cachedUsers = data.users;
renderUsersList(cachedUsers);
} catch (error) {
console.error("Failed to load users", error);
$("#users-list-container").html(
'<div class="p-4 text-center text-red-500 text-sm">Ошибка загрузки пользователей</div>',
);
}
}
function renderUsersList(users) {
const $container = $("#users-list-container");
$container.empty();
if (!users || users.length === 0) {
$container.html(
'<div class="p-4 text-center text-gray-500 text-sm">Пользователи не найдены</div>',
);
return;
}
users.forEach((user) => {
const roleBadges = user.roles
.map((r) => {
const color =
r === "admin"
? "bg-purple-100 text-purple-800"
: r === "librarian"
? "bg-blue-100 text-blue-800"
: "bg-gray-100 text-gray-800";
return `<span class="text-xs px-2 py-0.5 rounded-full ${color} mr-1">${r}</span>`;
})
.join("");
const $item = $(`
<div class="user-item p-3 hover:bg-blue-50 cursor-pointer transition-colors flex items-center justify-between group" data-id="${user.id}">
<div>
<div class="font-medium text-gray-900">${Utils.escapeHtml(user.full_name || user.username)}</div>
<div class="text-xs text-gray-500">@${Utils.escapeHtml(user.username)}${Utils.escapeHtml(user.email)}</div>
</div>
<div>${roleBadges}</div>
</div>
`);
$item.on("click", function () {
$(".user-item").removeClass("bg-blue-100 border-l-4 border-blue-500");
$(this).addClass("bg-blue-100 border-l-4 border-blue-500");
selectedLoanUserId = user.id;
$("#confirm-loan-btn")
.prop("disabled", false)
.text(`Выдать для ${user.username}`);
});
$container.append($item);
});
}
function handleUserSearch() {
const query = $(this).val().toLowerCase();
if (!cachedUsers) return;
if (!query) {
renderUsersList(cachedUsers);
return;
}
const filtered = cachedUsers.filter(
(u) =>
u.username.toLowerCase().includes(query) ||
(u.full_name && u.full_name.toLowerCase().includes(query)) ||
u.email.toLowerCase().includes(query),
);
renderUsersList(filtered);
}
async function submitLoan() {
if (!selectedLoanUserId) return;
const dueDate = $("#loan-due-date").val();
if (!dueDate) {
Utils.showToast("Выберите дату возврата", "error");
return;
}
const $btn = $("#confirm-loan-btn");
const originalText = $btn.text();
$btn.prop("disabled", true).text("Обработка...");
try {
const payload = {
book_id: currentBook.id,
user_id: selectedLoanUserId,
due_date: new Date(dueDate).toISOString(),
};
if (window.isAdmin()) {
await Api.post("/api/loans/issue", payload);
} else {
await Api.post("/api/loans/", payload);
}
Utils.showToast("Книга успешно выдана", "success");
closeLoanModal();
loadBookData();
loadLoans();
} catch (error) {
console.error(error);
Utils.showToast(error.message || "Ошибка выдачи", "error");
} finally {
$btn.prop("disabled", false).text(originalText);
}
}
});