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Sync your SZU course table to Mi AI
// ==UserScript==
// @name 同步深大课表到小爱
// @namespace sync-szu-ct-to-mi-ai
// @version 1.0
// @description Sync your SZU course table to Mi AI
// @author Strick Chan
// @match *://ehall.szu.edu.cn/jwapp/sys/wdkb/*
// @grant GM_xmlhttpRequest
// @connect https://i.ai.mi.com
// ==/UserScript==
/**
* @typedef {{
* name: string;
* teacher: string;
* sections: string;
* weeks: string;
* day: number;
* position: string;
* style: {
* color: string;
* background: string;
* };
* }} CourseInfo
*/
/**
* @typedef {{
* userId: number;
* deviceid: string;
* ctId: number;
* }} UserInfo
*/
/**
* @typedef {{
* desc: string;
* data: any;
* code: number;
* }} Result
*/
(function () {
"use strict";
const button = document.createElement("button");
button.id = "sync_button";
button.className = "bh-btn bh-btn-small bh-btn-default";
button.textContent = "同步到小爱";
button.addEventListener("click", async () => {
const link = prompt("请输入小爱课程表的「分享课表」链接：");
const user = parseUserInfo(link);
if (confirm("该操作会清空小爱课程表中已有的内容，是否继续？")) {
try {
const courseIds = await getCourseIds(user);
await Promise.all(courseIds.map((id) => delCourse(user, id)));
const courses = parseCourses();
await Promise.all(courses.map((course) => addCourse(user, course)));
alert("操作成功");
} catch (_) {
alert("操作失败，请检查控制台日志并联系开发者");
}
}
});
const checkExist = setInterval(() => {
if ($(".bh-buttons").length) {
$(".bh-buttons").append(button);
clearInterval(checkExist);
}
}, 100);
})();
const headers = {
"Accept": "application/json",
"Content-Type": "application/json",
"Origin": "https://i.ai.mi.com",
"Host": "i.ai.mi.com",
};
/**
* 获得所有已有的课程ID
* @param {UserInfo} userInfo
*/
function getCourseIds(userInfo) {
return new Promise((resolve, reject) => {
const request = { ...userInfo };
GM_xmlhttpRequest({
url: `https://i.ai.mi.com/course-multi/table?${$.param(request)}`,
method: "GET",
headers,
onload: (xhr) => {
/** @type {Result} */
const response = JSON.parse(xhr.responseText);
console.log({ action: "getCourseIds", request, response });
/** @type {number[]} */
const courseIds = response.data.courses.map((item) => item.id);
resolve(courseIds);
},
onerror: (err) => console.error(err),
});
});
}
/**
* 删除一个课程记录
* @param {UserInfo} userInfo
* @param {number} courseId
*/
function delCourse(userInfo, courseId) {
return new Promise((resolve, reject) => {
const request = { ...userInfo, cId: courseId };
GM_xmlhttpRequest({
url: "https://i.ai.mi.com/course-multi/courseInfo",
method: "DELETE",
headers,
data: JSON.stringify(request),
onload: (xhr) => {
/** @type {Result} */
const response = JSON.parse(xhr.responseText);
console.log({ action: "delCourse", request, response });
/** @type {boolean} */
const data = response.data;
resolve(data);
},
onerror: (err) => console.error(err),
});
});
}
/**
* 添加一个课程记录
* @param {UserInfo} userInfo
* @param {CourseInfo} courseInfo
*/
function addCourse(userInfo, courseInfo) {
return new Promise((resolve, reject) => {
const request = { ...userInfo, course: courseInfo };
GM_xmlhttpRequest({
url: "https://i.ai.mi.com/course-multi/courseInfo",
method: "POST",
headers,
data: JSON.stringify(request),
onload: (xhr) => {
/** @type {Result} */
const response = JSON.parse(xhr.responseText);
console.log({ action: "addCourse", request, response });
resolve(response.data);
},
onerror: (err) => console.error(err),
});
});
}
/**
* 生成一个区间数组
* @param {number} start
* @param {number} end
* @returns 区间数组 [start, end]
*/
function range(start, end) {
return [...Array(end - start + 1).keys()].map((i) => i + start);
}
/**
* 解析用户信息
* @param {string} link
*/
function parseUserInfo(link) {
const { searchParams } = new URL(
link.replace("/#/", "/"),
);
/** @type {UserInfo} */
const userInfo = {
userId: parseInt(searchParams.get("userId")),
deviceId: searchParams.get("deviceId"),
ctId: parseInt(searchParams.get("ctId")),
};
return userInfo;
}
/**
* 从网页解析课表信息
*/
function parseCourses() {
/** @type {CourseInfo[]} */
const courses = [];
$(".mtt_arrange_item").each((_, card) => {
/** @type {string} */
const background = $(card)
.attr("style").split(";")
.filter((item) => item.includes("background-color"))[0]
.split("background-color:")[1];
/** @type {string[]} */
const lines = [];
$("div", card).each((_, line) => {
lines.push($(line).text());
});
/** @type {CourseInfo} */
const course = {
name: lines[1],
teacher: lines[2],
sections: "",
weeks: "",
day: 0,
position: "",
style: JSON.stringify({ background, color: "#000000" }),
};
/** @type {string[]} */
const tempWeeks = [];
lines[3].split(",").forEach((item) => {
if (item.includes("周")) {
tempWeeks.push(item);
} else if (item.includes("星期")) {
course.day = parseInt(item.charAt(item.length - 1));
} else if (item.includes("节")) {
const [start, end] = item.replace("节", "").split("-");
course.sections = range(parseInt(start), parseInt(end)).toString();
} else {
course.position = item;
}
});
tempWeeks.forEach((item) => {
if (item.includes("-")) {
const filter = (() => {
if (item.includes("单")) return (n) => n % 2 === 1;
if (item.includes("双")) return (n) => n % 2 === 0;
return (_) => true;
})();
const [start, end] = item.replace("周", "").split("-");
const array = range(parseInt(start), parseInt(end)).filter(filter);
course.weeks += (course.weeks !== "" ? "," : "") + array.toString();
} else {
course.weeks += (course.weeks !== "" ? "," : "") +
item.replace("周", "");
}
});
courses.push(course);
});
return courses;
}