| 1 | // TODO: YAML format for questions, parsed from text (nested questions) |
| 2 | // Then yaml parsed to json --> array of indexed questions |
| 3 | // Use open mode for question banks: add setting "nbQuestions" to show nbQuestions |
| 4 | // at random among active questions |
| 5 | |
| 6 | window.onload = function() { |
| 7 | |
| 8 | V = new Vue({ |
| 9 | el: '#course', |
| 10 | data: { |
| 11 | display: "assessments", //or "students", or "grades" (admin mode) |
| 12 | course: course, |
| 13 | mode: "view", //or "edit" (some assessment) |
| 14 | // assessment data: |
| 15 | monitorPwd: "", |
| 16 | newAssessment: { name: "" }, |
| 17 | assessmentArray: assessmentArray, |
| 18 | assessmentIndex: 0, //current edited assessment index |
| 19 | assessment: { }, //copy of assessment at editing index in array |
| 20 | assessmentText: "", //questions in an assessment, in text format |
| 21 | // grades data: |
| 22 | settings: { |
| 23 | totalPoints: 20, |
| 24 | halfPoints: false, |
| 25 | zeroSum: false, |
| 26 | }, |
| 27 | group: 1, //for detailed grades tables |
| 28 | grades: { }, //computed |
| 29 | }, |
| 30 | mounted: function() { |
| 31 | $('.modal').each( (i,elem) => { |
| 32 | if (elem.id != "assessmentEdit") |
| 33 | $(elem).modal(); |
| 34 | }); |
| 35 | $('ul.tabs').tabs(); |
| 36 | $('#assessmentEdit').modal({ |
| 37 | complete: () => { |
| 38 | this.parseAssessment(); |
| 39 | Vue.nextTick( () => { |
| 40 | $("#questionList").find("code[class^=language-]").each( (i,elem) => { |
| 41 | Prism.highlightElement(elem); |
| 42 | }); |
| 43 | MathJax.Hub.Queue(["Typeset",MathJax.Hub,"questionList"]); |
| 44 | }); |
| 45 | }, |
| 46 | }); |
| 47 | }, |
| 48 | methods: { |
| 49 | // GENERAL: |
| 50 | toggleDisplay: function(area) { |
| 51 | if (this.display == area) |
| 52 | this.display = ""; |
| 53 | else |
| 54 | this.display = area; |
| 55 | }, |
| 56 | studentList: function(group) { |
| 57 | return this.course.students |
| 58 | .filter( s => { return group==0 || s.group == group; }) |
| 59 | .map( s => { return Object.assign({}, s); }) //not altering initial array |
| 60 | .sort( (a,b) => { |
| 61 | let res = a.name.localeCompare(b.name); |
| 62 | if (res == 0) |
| 63 | res += a.forename.localeCompare(b.forename); |
| 64 | return res; |
| 65 | }); |
| 66 | }, |
| 67 | // STUDENTS: |
| 68 | uploadTrigger: function() { |
| 69 | $("#upload").click(); |
| 70 | }, |
| 71 | upload: function(e) { |
| 72 | let file = (e.target.files || e.dataTransfer.files)[0]; |
| 73 | Papa.parse(file, { |
| 74 | header: true, |
| 75 | skipEmptyLines: true, |
| 76 | complete: (results,file) => { |
| 77 | let students = [ ]; |
| 78 | // Post-process: add group/number if missing |
| 79 | let number = 1; |
| 80 | results.data.forEach( d => { |
| 81 | if (!d.group) |
| 82 | d.group = 1; |
| 83 | if (!d.number) |
| 84 | d.number = number++; |
| 85 | if (typeof d.number !== "string") |
| 86 | d.number = d.number.toString(); |
| 87 | students.push(d); |
| 88 | }); |
| 89 | $.ajax("/import/students", { |
| 90 | method: "POST", |
| 91 | data: { |
| 92 | cid: this.course._id, |
| 93 | students: JSON.stringify(students), |
| 94 | }, |
| 95 | dataType: "json", |
| 96 | success: res => { |
| 97 | if (!res.errmsg) |
| 98 | this.course.students = students; |
| 99 | else |
| 100 | alert(res.errmsg); |
| 101 | }, |
| 102 | }); |
| 103 | }, |
| 104 | }); |
| 105 | }, |
| 106 | // ASSESSMENT: |
| 107 | addAssessment: function() { |
| 108 | if (!admin) |
| 109 | return; |
| 110 | // modal, fill code and description |
| 111 | let error = Validator.checkObject(this.newAssessment, "Assessment"); |
| 112 | if (!!error) |
| 113 | return alert(error); |
| 114 | else |
| 115 | $('#newAssessment').modal('close'); |
| 116 | $.ajax("/add/assessment", |
| 117 | { |
| 118 | method: "GET", |
| 119 | data: { |
| 120 | name: this.newAssessment.name, |
| 121 | cid: course._id, |
| 122 | }, |
| 123 | dataType: "json", |
| 124 | success: res => { |
| 125 | if (!res.errmsg) |
| 126 | { |
| 127 | this.newAssessment["name"] = ""; |
| 128 | this.assessmentArray.push(res); |
| 129 | } |
| 130 | else |
| 131 | alert(res.errmsg); |
| 132 | }, |
| 133 | } |
| 134 | ); |
| 135 | }, |
| 136 | materialOpenModal: function(id) { |
| 137 | $("#" + id).modal("open"); |
| 138 | Materialize.updateTextFields(); //textareas, time field... |
| 139 | }, |
| 140 | updateAssessment: function() { |
| 141 | $.ajax("/update/assessment", { |
| 142 | method: "POST", |
| 143 | data: {assessment: JSON.stringify(this.assessment)}, |
| 144 | dataType: "json", |
| 145 | success: res => { |
| 146 | if (!res.errmsg) |
| 147 | { |
| 148 | this.assessmentArray[this.assessmentIndex] = this.assessment; |
| 149 | this.mode = "view"; |
| 150 | } |
| 151 | else |
| 152 | alert(res.errmsg); |
| 153 | }, |
| 154 | }); |
| 155 | }, |
| 156 | deleteAssessment: function(assessment) { |
| 157 | if (!admin) |
| 158 | return; |
| 159 | if (confirm("Delete assessment '" + assessment.name + "' ?")) |
| 160 | { |
| 161 | $.ajax("/remove/assessment", |
| 162 | { |
| 163 | method: "GET", |
| 164 | data: { qid: this.assessment._id }, |
| 165 | dataType: "json", |
| 166 | success: res => { |
| 167 | if (!res.errmsg) |
| 168 | this.assessmentArray.splice( this.assessmentArray.findIndex( item => { |
| 169 | return item._id == assessment._id; |
| 170 | }), 1 ); |
| 171 | else |
| 172 | alert(res.errmsg); |
| 173 | }, |
| 174 | } |
| 175 | ); |
| 176 | } |
| 177 | }, |
| 178 | toggleState: function(questionIndex) { |
| 179 | // add or remove from activeSet of current assessment |
| 180 | let activeIndex = this.assessment.activeSet.findIndex( item => { return item == questionIndex; }); |
| 181 | if (activeIndex >= 0) |
| 182 | this.assessment.activeSet.splice(activeIndex, 1); |
| 183 | else |
| 184 | this.assessment.activeSet.push(questionIndex); |
| 185 | }, |
| 186 | setAssessmentText: function() { |
| 187 | let txt = ""; |
| 188 | this.assessment.questions.forEach( q => { |
| 189 | txt += q.wording + "\n"; |
| 190 | q.options.forEach( (o,i) => { |
| 191 | let symbol = q.answer.includes(i) ? "+" : "-"; |
| 192 | txt += symbol + " " + o + "\n"; |
| 193 | }); |
| 194 | txt += "\n"; //separate questions by new line |
| 195 | }); |
| 196 | this.assessmentText = txt; |
| 197 | }, |
| 198 | parseAssessment: function() { |
| 199 | let questions = [ ]; |
| 200 | let lines = this.assessmentText.split("\n").map( L => { return L.trim(); }) |
| 201 | lines.push(""); //easier parsing |
| 202 | let emptyQuestion = () => { |
| 203 | return { |
| 204 | wording: "", |
| 205 | options: [ ], |
| 206 | answer: [ ], |
| 207 | active: true, //default |
| 208 | }; |
| 209 | }; |
| 210 | let q = emptyQuestion(); |
| 211 | lines.forEach( L => { |
| 212 | if (L.length > 0) |
| 213 | { |
| 214 | if (['+','-'].includes(L.charAt(0))) |
| 215 | { |
| 216 | if (L.charAt(0) == '+') |
| 217 | q.answer.push(q.options.length); |
| 218 | q.options.push(L.slice(1).trim()); |
| 219 | } |
| 220 | else if (L.charAt(0) == '*') |
| 221 | { |
| 222 | // TODO: read current + next lines into q.answer (HTML, 1-elem array) |
| 223 | } |
| 224 | else |
| 225 | q.wording += L + " "; //space required at line breaks, generally |
| 226 | } |
| 227 | else |
| 228 | { |
| 229 | // Flush current question (if any) |
| 230 | if (q.wording.length > 0) |
| 231 | { |
| 232 | questions.push(q); |
| 233 | q = emptyQuestion(); |
| 234 | } |
| 235 | } |
| 236 | }); |
| 237 | this.assessment.questions = questions; |
| 238 | }, |
| 239 | actionAssessment: function(index) { |
| 240 | if (admin) |
| 241 | { |
| 242 | // Edit screen |
| 243 | this.assessmentIndex = index; |
| 244 | this.assessment = $.extend(true, {}, this.assessmentArray[index]); |
| 245 | this.setAssessmentText(); |
| 246 | this.mode = "edit"; |
| 247 | Vue.nextTick( () => { |
| 248 | $("#questionList").find("code[class^=language-]").each( (i,elem) => { |
| 249 | Prism.highlightElement(elem); |
| 250 | }); |
| 251 | MathJax.Hub.Queue(["Typeset",MathJax.Hub,"questionList"]); |
| 252 | }); |
| 253 | } |
| 254 | else //external user: show assessment |
| 255 | this.redirect(this.assessmentArray[index].name); |
| 256 | }, |
| 257 | redirect: function(assessmentName) { |
| 258 | document.location.href = "/" + initials + "/" + course.code + "/" + assessmentName; |
| 259 | }, |
| 260 | setPassword: function() { |
| 261 | let hashPwd = Sha1.Compute(this.monitorPwd); |
| 262 | let error = Validator.checkObject({password:hashPwd}, "Course"); |
| 263 | if (error.length > 0) |
| 264 | return alert(error); |
| 265 | $.ajax("/set/password", |
| 266 | { |
| 267 | method: "GET", |
| 268 | data: { |
| 269 | cid: this.course._id, |
| 270 | pwd: hashPwd, |
| 271 | }, |
| 272 | dataType: "json", |
| 273 | success: res => { |
| 274 | if (!res.errmsg) |
| 275 | alert("Password saved!"); |
| 276 | else |
| 277 | alert(res.errmsg); |
| 278 | }, |
| 279 | } |
| 280 | ); |
| 281 | }, |
| 282 | // NOTE: artifact required for Vue v-model to behave well |
| 283 | checkBoxFixedId: function(i) { |
| 284 | return "questionFixed" + i; |
| 285 | }, |
| 286 | checkBoxActiveId: function(i) { |
| 287 | return "questionActive" + i; |
| 288 | }, |
| 289 | // GRADES: |
| 290 | gradeSettings: function() { |
| 291 | $("#gradeSettings").modal("open"); |
| 292 | Materialize.updateTextFields(); //total points field in grade settings overlap |
| 293 | }, |
| 294 | download: function() { |
| 295 | // Download (all) grades as a CSV file |
| 296 | let data = [ ]; |
| 297 | this.studentList(0).forEach( s => { |
| 298 | let finalGrade = 0.; |
| 299 | let gradesCount = 0; |
| 300 | if (!!this.grades[s.number]) |
| 301 | { |
| 302 | Object.keys(this.grades[s.number]).forEach( assessmentName => { |
| 303 | s[assessmentName] = this.grades[s.number][assessmentName]; |
| 304 | if (_.isNumeric(s[assessmentName]) && !isNaN(s[assessmentName])) |
| 305 | { |
| 306 | finalGrade += s[assessmentName]; |
| 307 | gradesCount++; |
| 308 | } |
| 309 | if (gradesCount >= 1) |
| 310 | finalGrade /= gradesCount; |
| 311 | s["final"] = finalGrade; //TODO: forbid "final" as assessment name |
| 312 | }); |
| 313 | } |
| 314 | data.push(s); //number,forename,name,group,assessName1...assessNameN,final |
| 315 | }); |
| 316 | let csv = Papa.unparse(data, { |
| 317 | quotes: true, |
| 318 | header: true, |
| 319 | }); |
| 320 | let downloadAnchor = $("#download"); |
| 321 | downloadAnchor.attr("download", this.course.code + "_results.csv"); |
| 322 | downloadAnchor.attr("href", "data:text/plain;charset=utf-8," + encodeURIComponent(csv)); |
| 323 | this.$refs.download.click() |
| 324 | //downloadAnchor.click(); //fails |
| 325 | }, |
| 326 | showDetails: function(group) { |
| 327 | this.group = group; |
| 328 | $("#detailedGrades").modal("open"); |
| 329 | }, |
| 330 | groupList: function() { |
| 331 | let maxGrp = 1; |
| 332 | this.course.students.forEach( s => { |
| 333 | if (s.group > maxGrp) |
| 334 | maxGrp = s.group; |
| 335 | }); |
| 336 | return _.range(1,maxGrp+1); |
| 337 | }, |
| 338 | grade: function(assessmentIndex, studentNumber) { |
| 339 | if (!this.grades[assessmentIndex] || !this.grades[assessmentIndex][studentNumber]) |
| 340 | return ""; //no grade yet |
| 341 | return this.grades[assessmentIndex][studentNumber]; |
| 342 | }, |
| 343 | groupId: function(group, hash) { |
| 344 | return (!!hash?"#":"") + "group" + group; |
| 345 | }, |
| 346 | togglePresence: function(number, index) { |
| 347 | // UNIMPLEMENTED |
| 348 | // TODO: if no grade (thus automatic 0), toggle "exempt" state on student for current exam |
| 349 | // --> automatic update of grades view (just a few number to change) |
| 350 | }, |
| 351 | computeGrades: function() { |
| 352 | // UNIMPLEMENTED |
| 353 | // TODO: compute all grades using settings (points, coefficients, bonus/malus...). |
| 354 | // If some questions with free answers (open), display answers and ask teacher action. |
| 355 | // TODO: need a setting for that too (by student, by exercice, by question) |
| 356 | }, |
| 357 | }, |
| 358 | }); |
| 359 | |
| 360 | }; |