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135 lines
3.9 KiB
135 lines
3.9 KiB
const app = getApp();
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/*
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statuses:[]
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*/
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Component({
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data: {
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attachDir: global.config.attachDir,
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categories: [{ text: "我学习的", value: "study" }, { text: "我管理的", value: "manage" }],
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statuses: [{ text: "正在进行", value: "processing" }, { text: "已结束", value: "end" }],
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courses: [],
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status: 0,
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user: {},
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loading: true,
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current_cate: -1
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},
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attached() {
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let user = app.user();
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let key = `cache-weapps.home-${user.user_id}-${user.is_teacher}`
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let cache_courses = wx.getStorageSync(key);
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if(cache_courses)
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this.setData({courses:cache_courses}); // set local cache;
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this.options = { page: 1, limit: 15 };
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if (user.is_teacher)
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var current_cate = 1;
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else
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var current_cate = 0;
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this.options["category"] = this.data.categories[current_cate].value;
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this.pullCourses({refresh:1})
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.then(res=>{
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if(res.courses){
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wx.setStorageSync(key, res.courses);
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}
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this.loaded = 1;
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});
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this.setData({current_cate});
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},
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pageLifetimes: {
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show: function () {
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if (this.loaded >= 0) {
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console.log("show pull")
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this.pullCourses({ refresh: 2, showError:0 });
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}
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this.setData({user_id: app.user().user_id});
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}
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},
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methods: {
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onTapButton(){
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if(this.data.user_id==2)
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app.navigateTo({url:"{account}"});
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else
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this.setData({showModal:1});
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},
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onCategoryChange: function ({ detail: { current, value, source } }) {
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if(source!='touch') return;
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this.options["category"] = value.value;
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this.pullCourses({ refresh: 1 });
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this.setData({current_cate: current});
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},
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onStatusChange: function ({ detail: { value } }) {
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this.options["status"] = value.value;
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this.pullCourses({ refresh: 1 });
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},
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addCourse() {
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if(app.user().user_id==2)
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return wx.showToast({
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title: '请先登录'
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});
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return this.setData({ showModal: 1 });
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/*
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if (app.user().user_identity == "学生") {
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this.setData({ showModal: 1 });
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} else {
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wx.showActionSheet({
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itemList: ["加入课堂", '创建课堂'],
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success: res => {
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if (res.tapIndex == 0) {
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this.setData({ showModal: 1 });
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} else {
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app.navigateTo({ url: "{course_setting}?intent=create" });
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}
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}
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})
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}
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*/
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},
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enter_course: function (event) {
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let { id, course_name } = event.currentTarget.dataset;
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wx.navigateTo({
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url: "/course/pages/course/course?course_id=" + id + "&course_name=" + course_name,
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})
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},
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pullCourses: function ({ refresh = 0, showError=1} = {}) {
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if (refresh) {
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if (refresh == 1) {
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this.options.page = 1;
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var { options: data } = this;
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} else if (refresh == 2) {
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var { limit, page, status, category } = this.options;
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var data = { limit: page * limit, page: 1, status, category };
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}
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} else {
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this.options.page++;
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var { options: data } = this;
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}
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return app.callApi({
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name: "weapps.home", data
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})
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.then(res => {
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let { courses } = res;
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if (data.status)
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courses = courses.filter(i => {
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return i.is_end == (data.status == "end")
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});
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if (!refresh)
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courses = this.data.courses.concat(courses);
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this.setData({ courses, loading: false });
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return res;
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}).catch(e => {
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if(e.code==401&&refresh)
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this.setData({courses:[]});
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if(showError&&e.code!=401)
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app.showError(e);
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this.setData({loading: false });
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return e;
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});
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},
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onReachBottom() {
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this.pullCourses();
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},
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onPullDownRefresh: function () {
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this.pullCourses({ refresh: 2 });
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},
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}
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}) |