sync from local backup
This commit is contained in:
chunyu
@@ -0,0 +1,490 @@
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import "./CourseLearn.css";
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import React, { useState, useEffect } from "react";
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import { Tag, Button, Progress, Spin, Tabs } from "antd";
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import { message } from "@/utils/message";
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import { useTranslation } from "react-i18next";
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import { useLearnTimer } from "@/hooks/useLearnTimer";
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import {
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PlayCircleOutlined,
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CheckCircleOutlined,
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ClockCircleOutlined,
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BookOutlined,
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ArrowLeftOutlined,
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MenuOutlined,
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VideoCameraOutlined,
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FileTextOutlined,
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DownloadOutlined,
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FilePdfOutlined,
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FileZipOutlined,
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FileOutlined,
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} from "@ant-design/icons";
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import { useNavigate, useSearchParams } from "react-router-dom";
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import { api_request } from "@/utils/request";
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import { useRecordHistory } from "@/hooks/useRecordHistory";
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import { BDCloudVideoView } from "@/components/BDCloudVideoView";
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import ReactMarkdown from "react-markdown";
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import remarkGfm from "remark-gfm";
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import remarkMath from "remark-math";
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import rehypeHighlight from "rehype-highlight";
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import rehypeKatex from "rehype-katex";
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import "katex/dist/katex.min.css";
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interface CourseDetailData {
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id: number;
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title: string;
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description: string;
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category: string;
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level: string;
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color: string;
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chapters: ChapterData[];
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chapters_count: number;
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students_count: number;
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}
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interface ChapterData {
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id: number;
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title: string;
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sort_order: number;
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duration: string;
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is_free: boolean;
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video_url: string;
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video_source: string;
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video_local_url: string;
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video_poster_url: string;
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}
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const CourseLearn: React.FC = () => {
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const { t } = useTranslation();
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const navigate = useNavigate();
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const [searchParams] = useSearchParams();
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const courseId = searchParams.get("id");
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const getCategoryName = (key: string): string => {
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const map: Record<string, string> = {
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'frontend': t('learn.categoryFrontendShort'),
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'backend': t('learn.categoryBackendShort'),
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'tools': t('learn.categoryToolsShort'),
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'devops': t('learn.categoryDevopsShort'),
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'security': t('learn.categorySecurityShort'),
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'basic': t('learn.categoryBasicShort'),
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};
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return map[key] || key;
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};
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const getLevelName = (key: string): string => {
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const map: Record<string, string> = {
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'beginner': t('learn.courseLevelBeginner'),
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'advanced': t('learn.courseLevelAdvanced'),
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'intermediate': t('learn.courseLevelAdvanced'),
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};
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return map[key] || key;
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};
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const [courseData, setCourseData] = useState<CourseDetailData | null>(null);
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const [chapters, setChapters] = useState<ChapterData[]>([]);
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const [currentChapterIndex, setCurrentChapterIndex] = useState(0);
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const [chapterContent, setChapterContent] = useState("");
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const [completedChapters, setCompletedChapters] = useState<number[]>([]);
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const [sidebarOpen, setSidebarOpen] = useState(false);
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const [loading, setLoading] = useState(true);
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const [materials, setMaterials] = useState<any[]>([]);
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const [videoSource, setVideoSource] = useState<'bilibili' | 'local'>('local');
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useLearnTimer(courseData?.id);
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useRecordHistory(
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courseData
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? {
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type: "learn",
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title: courseData.title,
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description: courseData.description,
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image: (courseData as any).cover_image_url || "",
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category: courseData.category,
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link: `/course-learn?id=${courseData.id}`,
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}
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: null
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);
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useEffect(() => {
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if (!courseId) {
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message.error(t('learn.missingCourseId'));
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return;
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}
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const fetchCourseDetail = async () => {
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setLoading(true);
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try {
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const res = await api_request.learn.get_course_detail(Number(courseId));
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const data = (res as any)?.data as CourseDetailData;
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if (data) {
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setCourseData(data);
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setChapters(data.chapters || []);
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if (data.chapters?.length > 0) {
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loadChapterContent(data.id, data.chapters[0].id);
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}
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loadCourseProgress(data.id);
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}
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} catch {
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message.error(t('learn.fetchDetailError'));
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} finally {
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setLoading(false);
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}
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};
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const loadCourseProgress = async (cid: number) => {
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try {
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const res = await api_request.learn.getCourseProgress(cid);
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const data = (res as any)?.data;
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if (data && Array.isArray(data.completed_chapter_ids)) {
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setCompletedChapters(data.completed_chapter_ids);
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}
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} catch {
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// 进度加载失败不影响页面展示
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}
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};
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fetchCourseDetail();
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}, [courseId]);
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useEffect(() => {
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if (chapters.length > 0 && chapters[currentChapterIndex]) {
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const chapter = chapters[currentChapterIndex];
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setChapterContent("");
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loadChapterContent(courseData!.id, chapter.id);
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}
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}, [currentChapterIndex]);
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const loadChapterContent = async (cid: number, chapterId: number) => {
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try {
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const cdnUrl = `/media/learn/courses/${cid}/chapters/${chapterId}.md`;
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const response = await fetch(cdnUrl);
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if (response.ok) {
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const md = await response.text();
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setChapterContent(md);
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return;
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}
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} catch {}
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try {
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const res = await api_request.learn.get_chapter_content(chapterId);
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const data = (res as any)?.data;
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setChapterContent(data?.content_md || "");
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} catch {
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setChapterContent("");
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}
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};
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const loadMaterials = async (chapterId: number) => {
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try {
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const res = await api_request.learn.get_materials(chapterId);
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const data = (res as any)?.data;
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setMaterials(Array.isArray(data) ? data : []);
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} catch {
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setMaterials([]);
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}
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};
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useEffect(() => {
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if (chapters.length > 0 && currentChapterIndex >= 0) {
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const currentChapter = chapters[currentChapterIndex];
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if (currentChapter?.id) {
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loadMaterials(currentChapter.id);
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}
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}
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}, [currentChapterIndex, chapters]);
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const progress = chapters.length
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? Math.round((completedChapters.length / chapters.length) * 100)
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: 0;
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const handleChapterClick = (index: number) => {
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setCurrentChapterIndex(index);
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setSidebarOpen(false);
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};
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const handlePrevChapter = () => {
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if (currentChapterIndex > 0) {
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setCurrentChapterIndex(currentChapterIndex - 1);
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}
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};
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const handleNextChapter = () => {
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if (currentChapterIndex < chapters.length - 1) {
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setCurrentChapterIndex(currentChapterIndex + 1);
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}
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};
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const handleMarkCompleted = async () => {
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const currentChapter = chapters[currentChapterIndex];
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if (currentChapter && !completedChapters.includes(currentChapter.id)) {
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try {
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await api_request.learn.markChapterCompleted(currentChapter.id, true);
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setCompletedChapters([...completedChapters, currentChapter.id]);
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message.success(t('learn.chapterMarkedCompleted'));
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} catch {
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message.error(t('learn.markCompletedError'));
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}
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}
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};
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const getChapterStatus = (chapter: ChapterData, index: number) => {
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if (completedChapters.includes(chapter.id)) return "completed";
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if (currentChapterIndex === index) return "current";
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return "available";
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};
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const getStatusIcon = (chapter: ChapterData, index: number) => {
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const status = getChapterStatus(chapter, index);
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switch (status) {
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case "completed":
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return <CheckCircleOutlined style={{ color: "#10b981" }} />;
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case "current":
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return <PlayCircleOutlined style={{ color: "#667eea" }} />;
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default:
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return <PlayCircleOutlined style={{ color: "#94a3b8" }} />;
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}
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};
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if (loading) {
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return (
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<div className="course-learn-container" style={{ display: "flex", justifyContent: "center", alignItems: "center" }}>
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<Spin size="large" />
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</div>
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);
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}
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if (!courseData) {
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return (
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<div className="course-learn-container" style={{ display: "flex", justifyContent: "center", alignItems: "center" }}>
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<span>{t('learn.courseNotExist')}</span>
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</div>
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);
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}
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const currentChapter = chapters[currentChapterIndex];
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return (
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<div className="course-learn-container">
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<div className="course-learn-topbar">
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<Button
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type="text"
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icon={<ArrowLeftOutlined />}
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onClick={() => navigate(-1)}
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className="back-button"
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/>
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<div className="topbar-title">
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<BookOutlined />
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<span>{courseData.title}</span>
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</div>
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<div className="topbar-progress">
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<Progress percent={progress} size="small" style={{ width: 120 }} />
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<span className="progress-text">{progress}%</span>
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</div>
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<Button
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type="text"
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icon={<MenuOutlined />}
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onClick={() => setSidebarOpen(!sidebarOpen)}
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className="menu-button"
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/>
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</div>
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<div className="course-learn-content">
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<div className={`sidebar ${sidebarOpen ? "open" : ""}`}>
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<div className="sidebar-header">
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<h3>{t('learn.chapterList')}</h3>
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<span className="chapter-count">
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{completedChapters.length}/{chapters.length} {t('learn.chapterCompleted')}
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</span>
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</div>
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<div className="chapter-list">
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{chapters.map((chapter, index) => (
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<div
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key={chapter.id}
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className={`chapter-item ${getChapterStatus(chapter, index)} ${
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currentChapterIndex === index ? "active" : ""
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}`}
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onClick={() => handleChapterClick(index)}
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>
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<div className="chapter-icon">{getStatusIcon(chapter, index)}</div>
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<div className="chapter-info">
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<div className="chapter-title">{chapter.title}</div>
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<div className="chapter-duration">
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<ClockCircleOutlined />
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<span>{chapter.duration}</span>
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</div>
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</div>
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</div>
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))}
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</div>
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</div>
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<div className="main-content">
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<div className="content-card">
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<div className="content-header">
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<h1>{currentChapter?.title}</h1>
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<div className="content-meta">
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<div className="meta-tags">
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{courseData.category && (
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<Tag color="blue">{getCategoryName(courseData.category)}</Tag>
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)}
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{courseData.level && (
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<Tag color="green">{getLevelName(courseData.level)}</Tag>
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)}
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{(currentChapter?.video_url || currentChapter?.video_local_url) && (
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<Tag color="purple" icon={<VideoCameraOutlined />}>
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{currentChapter?.video_source === 'local' ? '本地视频' : 'B站视频'}
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</Tag>
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)}
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</div>
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<div className="meta-duration">
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<ClockCircleOutlined />
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<span>{currentChapter?.duration}</span>
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</div>
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</div>
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</div>
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<div className="content-body with-video">
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<Tabs
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key={`tabs-${currentChapter?.id}`}
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defaultActiveKey="docs"
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items={[
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{
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key: "docs",
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label: (
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<span>
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<FileTextOutlined /> {t('learn.documentation')}
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</span>
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),
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children: (
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<div className="markdown-content">
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<ReactMarkdown
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remarkPlugins={[remarkGfm, remarkMath]}
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rehypePlugins={[rehypeHighlight, rehypeKatex]}
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>
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{chapterContent || t('learn.noContent')}
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</ReactMarkdown>
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</div>
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),
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},
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...(currentChapter?.video_url || currentChapter?.video_local_url
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? [{
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key: "video",
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label: (
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<span>
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<VideoCameraOutlined /> {t('learn.videoTutorial')}
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</span>
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),
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children: (
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<BDCloudVideoView
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videoSource={currentChapter.video_url?.includes('bilibili.com') ? 'bilibili' : 'local'}
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bilibiliUrl={currentChapter.video_url?.includes('bilibili.com') ? currentChapter.video_url : undefined}
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localUrl={!currentChapter.video_url?.includes('bilibili.com') ? currentChapter.video_url : undefined}
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posterUrl={currentChapter.video_poster_url}
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title={currentChapter.title}
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chapterId={currentChapter.id}
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sources={{
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bilibili: currentChapter.video_url?.includes('bilibili.com') ? currentChapter.video_url : undefined,
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local: !currentChapter.video_url?.includes('bilibili.com') ? currentChapter.video_url : undefined,
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}}
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activeSource={videoSource}
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onSourceChange={setVideoSource}
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/>
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),
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}]
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: [{
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key: "video",
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label: (
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<span>
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<VideoCameraOutlined /> {t('learn.videoTutorial')}
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</span>
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),
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children: (
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<div className="empty-video">
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<VideoCameraOutlined className="empty-video-icon" />
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<p>{t('learn.noVideo')}</p>
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</div>
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),
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}]),
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{
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key: "materials",
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label: (
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<span>
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<DownloadOutlined /> {t('learn.materials')}
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</span>
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),
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children: (
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<div className="materials-content">
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{materials.length > 0 ? (
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<div className="materials-list">
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{materials.map((item: any) => (
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<div key={item.id} className="material-card">
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<div className="material-info">
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<span className="material-icon">
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{item.file_type === 'pdf' ? <FilePdfOutlined /> : item.file_type === 'zip' ? <FileZipOutlined /> : <FileOutlined />}
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</span>
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<div className="material-details">
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<div className="material-title">{item.title}</div>
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<div className="material-meta">{item.file_size_display} | {t('learn.downloads')}: {item.download_count}</div>
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</div>
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</div>
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<Button type="primary" size="small" icon={<DownloadOutlined />} onClick={() => {
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api_request.learn.download_material(item.id).then((res: any) => {
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const blob = res.data;
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const url = window.URL.createObjectURL(blob);
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const a = document.createElement('a');
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a.href = url;
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a.download = item.title;
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document.body.appendChild(a);
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a.click();
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window.URL.revokeObjectURL(url);
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document.body.removeChild(a);
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}).catch(() => {
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message.error(t('learn.downloadError'));
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});
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}}>
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{t('learn.download')}
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</Button>
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</div>
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))}
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</div>
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) : (
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<div className="empty-materials">{t('learn.noMaterials')}</div>
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)}
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</div>
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),
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},
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]}
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/>
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</div>
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<div className="content-actions">
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<Button
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onClick={handlePrevChapter}
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disabled={currentChapterIndex === 0}
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icon={<ArrowLeftOutlined />}
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||||
>
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{t('learn.prevChapter')}
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</Button>
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<Button
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type="primary"
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onClick={handleMarkCompleted}
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disabled={completedChapters.includes(currentChapter?.id)}
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icon={<CheckCircleOutlined />}
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>
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{completedChapters.includes(currentChapter?.id) ? t('learn.alreadyCompleted') : t('learn.markCompleted')}
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</Button>
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<Button
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onClick={handleNextChapter}
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disabled={currentChapterIndex === chapters.length - 1}
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>
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{t('learn.nextChapter')}
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<ArrowLeftOutlined style={{ transform: "rotate(180deg)" }} />
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</Button>
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</div>
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</div>
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||||
</div>
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</div>
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||||
</div>
|
||||
);
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||||
};
|
||||
|
||||
export default CourseLearn;
|
||||
Reference in New Issue
Block a user