Debug monitoring

[qomet.git] / entities / assessment.js

diff --git a/entities/assessment.js b/entities/assessment.js
index b4e3092..3dc1952 100644 (file)
--- a/entities/assessment.js
+++ b/entities/assessment.js
@@ -27,6 +27,8 @@ const AssessmentEntity =
         *     number: student number
         *     inputs: array of indexed arrays of integers (or html text if not quiz)
         *     startTime, endTime
+        *     discoTime, totalDisco: last disconnect timestamp (if relevant) + total
+        *     discoCount: total disconnections
         *     password: random string identifying student for exam session TEMPORARY
         */
 
@@ -134,6 +136,8 @@ const AssessmentEntity =
                                startTime: Date.now(),
                                endTime: undefined,
                                password: password,
+                               totalDisco: 0,
+                               discoCount: 0,
                                inputs: [ ], //TODO: this is stage 1, stack indexed answers.
                                // then build JSON tree for easier access / correct
                        }}},
@@ -141,6 +145,47 @@ const AssessmentEntity =
                );
        },
 
+       // NOTE: no callbacks for 2 next functions, failures are not so important
+       // (because monitored: teachers can see what's going on)
+
+       addDisco: function(aid, number, deltaTime)
+       {
+               db.assessments.update(
+                       {
+                               _id: aid,
+                               "papers.number": number,
+                       },
+                       { $inc: {
+                               "papers.$.discoCount": 1,
+                               "papers.$.totalDisco": deltaTime,
+                       } },
+                       { $set: { "papers.$.discoTime": null } }
+               );
+       },
+
+       setDiscoTime: function(aid, number)
+       {
+               db.assessments.update(
+                       {
+                               _id: aid,
+                               "papers.number": number,
+                       },
+                       { $set: { "papers.$.discoTime": Date.now() } }
+               );
+       },
+
+       getDiscoTime: function(aid, number, cb)
+       {
+               db.assessments.findOne(
+                       { _id: aid },
+                       (err,a) => {
+                               if (!!err)
+                                       return cb(err, null);
+                               const idx = a.papers.findIndex( item => { return item.number == number; });
+                               cb(null, a.papers[idx].discoTime);
+                       }
+               );
+       },
 
        hasInput: function(aid, number, password, idx, cb)
        {