+new Vue({
+ el: "#monitor",
+ data: {
+ password: "", //from password field
+ evaluation: { }, //obtained after authentication
+ // Stage 0: unauthenticated (password),
+ // 1: authenticated (password hash validated), start monitoring
+ stage: 0,
+ answers: {
+ displayAll: true,
+ showSolution: true, //TODO: allow to hide, to let teachers search too
+ inputs: [ ],
+ index : -1,
+ },
+ students: [ ], //to know their names
+ display: "evaluation", //or student's answers
+ },
+ methods: {
+ // TODO: redundant code, next 4 funcs already exist in course.js
+ toggleDisplay: function(area) {
+ if (this.display == area)
+ this.display = "";
+ else
+ this.display = area;
+ },
+ studentList: function(group) {
+ return this.students
+ .filter( s => { return group==0 || s.group == group; })
+ .map( s => { return Object.assign({}, s); }) //not altering initial array
+ .sort( (a,b) => { return a.name.localeCompare(b.name); });
+ },
+ groupList: function() {
+ let maxGrp = 1;
+ this.students.forEach( s => {
+ if (s.group > maxGrp)
+ maxGrp = s.group;
+ });
+ return _.range(1,maxGrp+1);
+ },
+ groupId: function(group, prefix) {
+ return (prefix || "") + "group" + group;
+ },
+ togglePresence: function(student) {
+ const sIdx = this.students.findIndex( s => { return s.number == student.number; });
+ Vue.set( this.students, sIdx, Object.assign({},student,{present:!student.present}) );
+ //s.present = !s.present;
+ },
+ allFinished: function() {
+ for (s of this.students)
+ {
+ if (!s.present)
+ continue;
+ const paperIdx = this.evaluation.papers.findIndex( item => { return item.number == s.number; });
+ if (paperIdx === -1)
+ return false;
+ const paper = this.evaluation.papers[paperIdx];
+ if (paper.inputs.length < this.evaluation.questions.length)
+ return false;
+ }
+ return true;
+ },
+ getColor: function(number, qIdx) {
+ // For the moment, green if correct and red if wrong; grey if unanswered yet
+ // TODO: in-between color for partially right (especially for multi-questions)
+ const paperIdx = this.evaluation.papers.findIndex( item => { return item.number == number; });
+ if (paperIdx === -1)
+ return "grey"; //student didn't start yet
+ const inputIdx = this.evaluation.papers[paperIdx].inputs.findIndex( item => {
+ const qNum = parseInt(item.index.split(".")[0]); //indexes separated by dots
+ return qIdx == qNum;
+ });
+ if (inputIdx === -1)
+ return "grey";
+ if (_.isEqual(this.evaluation.papers[paperIdx].inputs[inputIdx].input, this.evaluation.questions[qIdx].answer))
+ return "green";
+ return "red";
+ },
+ seeDetails: function(number, i) {
+ // UNIMPLEMENTED: see question details, with current answer(s)
+ },
+ // stage 0 --> 1
+ startMonitoring: function() {
+ $.ajax("/evaluations/monitor", {
+ method: "GET",
+ data: {
+ password: Sha1.Compute(this.password),
+ aname: examName,
+ ccode: courseCode,
+ initials: initials,
+ },
+ dataType: "json",
+ success: s => {
+ if (!!s.errmsg)
+ return alert(s.errmsg);
+ this.evaluation = s.evaluation;
+ this.answers.inputs = s.evaluation.questions.map( q => {
+ let input = _(q.options.length).times( _.constant(false) );
+ q.answer.forEach( idx => { input[idx] = true; });
+ return input;
+ });
+ this.students = s.students;
+ this.students.forEach( s => { s.present = true; }); //a priori...
+ this.stage = 1;
+ socket = io.connect("/", {
+ query: "aid=" + this.evaluation._id + "&secret=" + s.secret
+ });
+ socket.on(message.studentBlur, m => {
+ const sIdx = this.students.findIndex( item => { return item.number == m.number; });
+ Vue.set(this.students, sIdx, Object.assign({},this.students[sIdx],{blur: true}));
+ //this.students[sIdx].blur = true;
+ });
+ socket.on(message.studentFocus, m => {
+ const sIdx = this.students.findIndex( item => { return item.number == m.number; });
+ this.students[sIdx].blur = false;
+ });
+ socket.on(message.studentResize, m => {
+ const sIdx = this.students.findIndex( item => { return item.number == m.number; });
+ Vue.set(this.students, sIdx, Object.assign({},this.students[sIdx],{resize: true}));
+ //this.students[sIdx].resize = true;
+ });
+ socket.on(message.studentFullscreen, m => {
+ const sIdx = this.students.findIndex( item => { return item.number == m.number; });
+ this.students[sIdx].resize = false;
+ });
+ socket.on(message.studentDisconnect, m => {
+ const sIdx = this.students.findIndex( item => { return item.number == m.number; });
+ Vue.set(this.students, sIdx, Object.assign({},this.students[sIdx],{disco: true}));
+ //this.students[sIdx].disco = true;
+ });
+ socket.on(message.studentConnect, m => {
+ const sIdx = this.students.findIndex( item => { return item.number == m.number; });
+ this.students[sIdx].disco = false;
+ });
+ socket.on(message.newAnswer, m => {
+ let paperIdx = this.evaluation.papers.findIndex( item => {
+ return item.number == m.number;
+ });
+ if (paperIdx === -1)
+ {
+ // First answer
+ paperIdx = this.evaluation.papers.length;
+ this.evaluation.papers.push({
+ number: m.number,
+ inputs: [ ], //other fields irrelevant here
+ });
+ }
+ // TODO: notations not coherent (input / answer... when, which ?)
+ this.evaluation.papers[paperIdx].inputs.push(JSON.parse(m.answer)); //input+index
+ });
+ },
+ });
+ },
+ endMonitoring: function() {
+ // In the end, send answers to students
+ // TODO: disable this button until everyone finished (need ability to mark absents)
+ socket.emit(
+ message.allAnswers,
+ { answers: JSON.stringify(this.evaluation.questions.map( q => { return q.answer; })) }
+ );
+ },
+ },
+});