Parses uploaded submissions on Canvas to determine group mates, and then resubmits on the students' behalf.

spread_submission.js

$.getMultiScripts=function(arr,path){function executeInOrder(scr,code,resolve){
    scr==arr[0]?(arr.shift(),eval(code),resolve(),console.log("executed",scr)):
    setTimeout(function(){executeInOrder(scr,code,resolve)},50)}
    var _arr=$.map(arr,function(e){return new Promise(r=>{jQuery.ajax({
        type:"GET",url:(path||"")+e,dataType:"text",success:function(c){
            console.log("loaded  ",e),executeInOrder(e,c,r)},cache:!0})})});
            return _arr.push($.Deferred(function(e){$(e.resolve)})),
            $.when.apply($,_arr)};

// Load ChartJS
async function loadLibraries() {
    return $.getMultiScripts([
        "jszip",
    ], 'https://cdn.jsdelivr.net/npm/');
}
await loadLibraries();

async function downloadWord(url) {
    return fetch(url)
        .then(function (response) {                       // 2) filter on 200 OK
            if (response.status === 200 || response.status === 0) {
                return Promise.resolve(response.blob());
            } else {
                return Promise.reject(new Error(response.statusText));
            }
        })
        .then(JSZip.loadAsync);
}

const course_id = `5022987`;
const students = await $.get(`https://canvas.instructure.com/api/v1/courses/${course_id}/students`);
const emailMap = Object.fromEntries(students.map(u => [u.email, u]));
subs = await $.get(`https://canvas.instructure.com/api/v1/courses/${course_id}/students/submissions`, {workflow_state: "submitted", student_ids: "all"});

const FIND_UD_EMAILS = /([a-z0-9!#$%&'*+\/=?^_`{|}~-]+@udel.edu)/gm;
subs.forEach(async sub => {
    if (!sub.attachments) return;
    sub.attachments.forEach(async att => {
        const zip = await downloadWord(att.url);
        console.log(zip);
        const mainFile = await zip.file('word/document.xml').async("string");
        const emails = [...mainFile.matchAll(FIND_UD_EMAILS)].map(u => u[0]);
        emails.forEach(async email => {
            const user = emailMap[email];
            if (!user) {console.error("User not found: ", email); return }
            const teammateId = user.id;
            const resub = await $.post(`https://canvas.instructure.com/api/v1/courses/${course_id}/assignments/${sub.assignment_id}/submissions`, {
                'submission[submission_type]': 'online_text_entry',
                'submission[body]': att.url,
                'submission[user_id]': teammateId,
                'submission[submitted_at]': sub.submitted_at,
                'comment[text_comment]': "Uploaded automatically by Ada Bot."
            });
            console.log(resub);
        });
    });
});