Доабвлеие страниц на фронтэнде

library_service/static/authors.js

@@ -0,0 +1,417 @@
+$(document).ready(() => {
+    let allAuthors = [];
+    let filteredAuthors = [];
+    let currentPage = 1;
+    let pageSize = 12;
+    let currentSort = "name_asc";
+  
+    loadAuthors();
+  
+    function loadAuthors() {
+      showLoadingState();
+  
+      fetch("/api/authors")
+        .then((response) => {
+          if (!response.ok) {
+            throw new Error(`HTTP error! status: ${response.status}`);
+          }
+          return response.json();
+        })
+        .then((data) => {
+          allAuthors = data.authors;
+          applyFiltersAndSort();
+        })
+        .catch((error) => {
+          console.error("Error loading authors:", error);
+          showErrorState();
+        });
+    }
+  
+    function applyFiltersAndSort() {
+      const searchQuery = $("#author-search-input").val().trim().toLowerCase();
+  
+      filteredAuthors = allAuthors.filter((author) =>
+        author.name.toLowerCase().includes(searchQuery)
+      );
+  
+      filteredAuthors.sort((a, b) => {
+        const nameA = a.name.toLowerCase();
+        const nameB = b.name.toLowerCase();
+  
+        if (currentSort === "name_asc") {
+          return nameA.localeCompare(nameB, "ru");
+        } else {
+          return nameB.localeCompare(nameA, "ru");
+        }
+      });
+  
+      updateResultsCounter();
+  
+      renderAuthors();
+      renderPagination();
+    }
+  
+    function updateResultsCounter() {
+      const $counter = $("#results-counter");
+      const total = filteredAuthors.length;
+  
+      if (total === 0) {
+        $counter.text("Авторы не найдены");
+      } else {
+        const wordForm = getWordForm(total, ["автор", "автора", "авторов"]);
+        $counter.text(`Найдено: ${total} ${wordForm}`);
+      }
+    }
+
+    function getWordForm(number, forms) {
+      const cases = [2, 0, 1, 1, 1, 2];
+      const index =
+        number % 100 > 4 && number % 100 < 20
+          ? 2
+          : cases[Math.min(number % 10, 5)];
+      return forms[index];
+    }
+  
+    function renderAuthors() {
+      const $container = $("#authors-container");
+      $container.empty();
+  
+      if (filteredAuthors.length === 0) {
+        $container.html(`
+          <div class="bg-white p-8 rounded-lg shadow-md text-center">
+            <svg class="mx-auto h-12 w-12 text-gray-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M16 7a4 4 0 11-8 0 4 4 0 018 0zM12 14a7 7 0 00-7 7h14a7 7 0 00-7-7z"/>
+            </svg>
+            <h3 class="text-lg font-medium text-gray-900 mb-2">Авторы не найдены</h3>
+            <p class="text-gray-500">Попробуйте изменить параметры поиска</p>
+          </div>
+        `);
+        return;
+      }
+  
+      const startIndex = (currentPage - 1) * pageSize;
+      const endIndex = startIndex + pageSize;
+      const pageAuthors = filteredAuthors.slice(startIndex, endIndex);
+  
+      const $grid = $('<div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4"></div>');
+  
+      pageAuthors.forEach((author) => {
+        const firstLetter = author.name.charAt(0).toUpperCase();
+  
+        const $authorCard = $(`
+          <div class="bg-white p-4 rounded-lg shadow-md hover:shadow-lg transition-shadow duration-200 cursor-pointer author-card" data-id="${author.id}">
+            <div class="flex items-center">
+              <div class="w-12 h-12 bg-gray-500 text-white rounded-full flex items-center justify-center text-xl font-bold mr-4">
+                ${firstLetter}
+              </div>
+              <div class="flex-1">
+                <h3 class="text-lg font-semibold text-gray-900 hover:text-blue-600 transition-colors">
+                  ${escapeHtml(author.name)}
+                </h3>
+                <p class="text-sm text-gray-500">ID: ${author.id}</p>
+              </div>
+              <svg class="w-5 h-5 text-gray-400" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+                <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/>
+              </svg>
+            </div>
+          </div>
+        `);
+  
+        $grid.append($authorCard);
+      });
+  
+      $container.append($grid);
+  
+      $container.off("click", ".author-card").on("click", ".author-card", function () {
+        const authorId = $(this).data("id");
+        window.location.href = `/author/${authorId}`;
+      });
+    }
+  
+    function renderPagination() {
+      const $paginationContainer = $("#pagination-container");
+      $paginationContainer.empty();
+  
+      const totalPages = Math.ceil(filteredAuthors.length / pageSize);
+  
+      if (totalPages <= 1) return;
+  
+      const $pagination = $(`
+        <div class="flex justify-center items-center gap-2 mt-6 mb-4">
+          <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" : ""}>
+            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M15 19l-7-7 7-7"/>
+            </svg>
+          </button>
+          <div id="page-numbers" class="flex gap-1"></div>
+          <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" : ""}>
+            <svg class="w-5 h-5" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+              <path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M9 5l7 7-7 7"/>
+            </svg>
+          </button>
+        </div>
+      `);
+  
+      const $pageNumbers = $pagination.find("#page-numbers");
+  
+      const pages = generatePageNumbers(currentPage, totalPages);
+  
+      pages.forEach((page) => {
+        if (page === "...") {
+          $pageNumbers.append(`<span class="px-3 py-2">...</span>`);
+        } else {
+          const isActive = page === currentPage;
+          $pageNumbers.append(`
+            <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}">
+              ${page}
+            </button>
+          `);
+        }
+      });
+  
+      $paginationContainer.append($pagination);
+  
+      $paginationContainer.find("#prev-page").on("click", function () {
+        if (currentPage > 1) {
+          currentPage--;
+          renderAuthors();
+          renderPagination();
+          scrollToTop();
+        }
+      });
+  
+      $paginationContainer.find("#next-page").on("click", function () {
+        if (currentPage < totalPages) {
+          currentPage++;
+          renderAuthors();
+          renderPagination();
+          scrollToTop();
+        }
+      });
+  
+      $paginationContainer.find(".page-btn").on("click", function () {
+        const page = parseInt($(this).data("page"));
+        if (page !== currentPage) {
+          currentPage = page;
+          renderAuthors();
+          renderPagination();
+          scrollToTop();
+        }
+      });
+    }
+  
+    function generatePageNumbers(current, total) {
+      const pages = [];
+      const delta = 2;
+  
+      for (let i = 1; i <= total; i++) {
+        if (
+          i === 1 ||
+          i === total ||
+          (i >= current - delta && i <= current + delta)
+        ) {
+          pages.push(i);
+        } else if (pages[pages.length - 1] !== "...") {
+          pages.push("...");
+        }
+      }
+  
+      return pages;
+    }
+  
+    function scrollToTop() {
+      $("html, body").animate({ scrollTop: 0 }, 300);
+    }
+  
+    function showLoadingState() {
+      const $container = $("#authors-container");
+      $container.html(`
+        <div class="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+          ${Array(6)
+            .fill()
+            .map(
+              () => `
+            <div class="bg-white p-4 rounded-lg shadow-md animate-pulse">
+              <div class="flex items-center">
+                <div class="w-12 h-12 bg-gray-200 rounded-full mr-4"></div>
+                <div class="flex-1">
+                  <div class="h-5 bg-gray-200 rounded w-3/4 mb-2"></div>
+                  <div class="h-4 bg-gray-200 rounded w-1/4"></div>
+                </div>
+              </div>
+            </div>
+          `
+            )
+            .join("")}
+        </div>
+      `);
+    }
+  
+    function showErrorState() {
+      const $container = $("#authors-container");
+      $container.html(`
+        <div class="bg-red-50 p-8 rounded-lg shadow-md text-center">
+          <svg class="mx-auto h-12 w-12 text-red-400 mb-4" fill="none" stroke="currentColor" viewBox="0 0 24 24">
+            <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"/>
+          </svg>
+          <h3 class="text-lg font-medium text-red-900 mb-2">Ошибка загрузки</h3>
+          <p class="text-red-700 mb-4">Не удалось загрузить список авторов</p>
+          <button id="retry-btn" class="bg-red-600 text-white px-4 py-2 rounded-lg hover:bg-red-700">
+            Попробовать снова
+          </button>
+        </div>
+      `);
+  
+      $("#retry-btn").on("click", loadAuthors);
+    }
+  
+    function escapeHtml(text) {
+      if (!text) return "";
+      const div = document.createElement("div");
+      div.textContent = text;
+      return div.innerHTML;
+    }
+  
+    function initializeFilters() {
+      const $authorSearch = $("#author-search-input");
+      const $resetBtn = $("#reset-filters-btn");
+      const $sortRadios = $('input[name="sort"]');
+  
+      let searchTimeout;
+      $authorSearch.on("input", function () {
+        clearTimeout(searchTimeout);
+        searchTimeout = setTimeout(() => {
+          currentPage = 1;
+          applyFiltersAndSort();
+        }, 300);
+      });
+  
+      $authorSearch.on("keypress", function (e) {
+        if (e.which === 13) {
+          clearTimeout(searchTimeout);
+          currentPage = 1;
+          applyFiltersAndSort();
+        }
+      });
+  
+      $sortRadios.on("change", function () {
+        currentSort = $(this).val();
+        currentPage = 1;
+        applyFiltersAndSort();
+      });
+  
+      $resetBtn.on("click", function () {
+        $authorSearch.val("");
+        $('input[name="sort"][value="name_asc"]').prop("checked", true);
+        currentSort = "name_asc";
+        currentPage = 1;
+        applyFiltersAndSort();
+      });
+    }
+  
+    initializeFilters();
+  
+    const $guestLink = $("#guest-link");
+    const $userBtn = $("#user-btn");
+    const $userDropdown = $("#user-dropdown");
+    const $userArrow = $("#user-arrow");
+    const $userAvatar = $("#user-avatar");
+    const $dropdownName = $("#dropdown-name");
+    const $dropdownUsername = $("#dropdown-username");
+    const $dropdownEmail = $("#dropdown-email");
+    const $logoutBtn = $("#logout-btn");
+  
+    let isDropdownOpen = false;
+  
+    function openDropdown() {
+      isDropdownOpen = true;
+      $userDropdown.removeClass("hidden");
+      $userArrow.addClass("rotate-180");
+    }
+  
+    function closeDropdown() {
+      isDropdownOpen = false;
+      $userDropdown.addClass("hidden");
+      $userArrow.removeClass("rotate-180");
+    }
+  
+    $userBtn.on("click", function (e) {
+      e.stopPropagation();
+      isDropdownOpen ? closeDropdown() : openDropdown();
+    });
+  
+    $(document).on("click", function (e) {
+      if (isDropdownOpen && !$(e.target).closest("#user-menu-container").length) {
+        closeDropdown();
+      }
+    });
+  
+    $(document).on("keydown", function (e) {
+      if (e.key === "Escape" && isDropdownOpen) {
+        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();
+        });
+    }
+  });