From a524c37795ad465b3e578019d3062e038cf9be44 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= <aless@guru.si>
Date: Tue, 25 Aug 2015 19:03:17 +0200
Subject: Work on sending activity trace.

---
 js/codeq/comms.js | 71 ++++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 57 insertions(+), 14 deletions(-)

(limited to 'js/codeq/comms.js')

diff --git a/js/codeq/comms.js b/js/codeq/comms.js
index d2c2910..eece7e7 100644
--- a/js/codeq/comms.js
+++ b/js/codeq/comms.js
@@ -3,6 +3,7 @@
     var activityQueue = [];
 
     var send = function (service, json) {
+        if (json instanceof Object) json = codeq.jsonize(json);
         return Q.Promise(function (resolve, reject, notify) {
             $.ajax({
                 'type': 'POST',
@@ -24,21 +25,36 @@
     };
 
     var sendCount = 0,
+        resolveWaiters = [],
+        currentSolution = null,
+        resolveActivity = function () {
+            var i;
+            // signal everyone that the queue is flushed
+            for (i = 0; i < resolveWaiters.length; i++) {
+                try {
+                    resolveWaiters[i][0]();
+                }
+                catch (e) {}
+            }
+            resolveWaiters.length = 0;
+        },
         sendActivityInternal = function () {
-            var request;
+            var trace;
             // send max. 100 activities, do not be excessive
+            if (activityQueue.length == 0) return resolveActivity();
             if (activityQueue.length > 100) {
                 sendCount = 100;
-                request = '[' + activityQueue.slice(0, 100).join(',') + ']';
+                trace = activityQueue.slice(0, 100);
             }
             else {
                 sendCount = activityQueue.length;
-                request = '[' + activityQueue.join(',') + ']';
+                trace = activityQueue;
             }
-            send('activity', request).then(
+            send('trace', {'trace': trace, 'solution': currentSolution}).then(
                 function sendActivitySuccess() {
                     activityQueue.splice(0, sendCount);
                     if (activityQueue.length > 0) sendActivityInternal();
+                    else resolveActivity();
                 },
                 function sendActivityFailure() {
                     Q.delay(500).then(sendActivityInternal).done();
@@ -47,27 +63,54 @@
         };
 
     codeq.comms = {
-        sendActivity: function commsSendActivity (json) {
-            var triggerSending = activityQueue.length == 0;
-            json['sid'] = codeq.sid;
-            activityQueue.push(codeq.jsonize(json));
-            if (triggerSending) {
-                setTimeout(sendActivityInternal, 0); // async trigger: see if you can collect some more payload
-            }
+        sendActivity: function commsSendActivity (json, solution) {
+            return Q.Promise(function (resolve, reject, notify) {
+                var triggerSending = activityQueue.length == 0,
+                    i, js;
+                if (json instanceof Array) {
+                    for (i = 0; i < json.length; i++) {
+                        js = json[i];
+                        js['sid'] = codeq.sid;
+                        activityQueue.push(js);
+                    }
+                }
+                else {
+                    json['sid'] = codeq.sid;
+                    activityQueue.push(json);
+                }
+                if (solution) currentSolution = solution;
+                resolveWaiters.push([resolve, reject]);
+                if (triggerSending) {
+                    setTimeout(sendActivityInternal, 0); // async trigger: see if you can collect some more payload
+                }
+            });
         },
 
         sendQuery: function commsSendQuery (json) {
+            var thisTrace;
             json['sid'] = codeq.sid;
-            return send('query', codeq.jsonize(json));
+            if (activityQueue.length > 0) {
+                thisTrace = json['trace'];
+                if (thisTrace instanceof Array) {
+                    activityQueue.splice(0, 0, 0, 0); // add two zeros in front, they will form the first two parameters to the next splice()
+                    thisTrace.splice.apply(thisTrace, activityQueue);
+                }
+                else {
+                    json['trace'] = activityQueue.slice();
+                }
+                activityQueue.length = 0;
+                if (currentSolution) json['solution'] = currentSolution;
+            }
+            return send('query', json);
         },
 
         getProblem: function commsGetProblem (language, problem_group, problem) {
-            return send('get_problem', codeq.jsonize({
+            return send('get_problem', {
                 'sid': codeq.sid,
                 'language': language,
                 'problem_group': problem_group,
                 'problem': problem
-            }));
+            });
         }
     };
 })();
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