Add user completion time analysis script for students.

scripts/analytics/analyzeClassCompletionTimes.js

@@ -0,0 +1,105 @@
+if ( typeof password === 'undefined' ) {
+	throw "Please specify the coco user password on the commandline as --eval 'password \"<password>\"'";
+}
+
+if ( typeof _ === 'undefined' ) {
+	throw "Please include underscore/lodash on the commandline before this script.";
+}
+
+
+var main = connect('ec2-52-4-223-77.compute-1.amazonaws.com:27017/coco', 'coco', password);
+var ls = connect('ec2-54-236-64-198.compute-1.amazonaws.com:27017/coco', 'coco', password);
+var users = main.users.find(
+	{role: 'student', 
+	//birthday: {$regex: /^20/}
+	birthday: {$exists: 1}
+	},
+	{_id: 1, birthday: 1, email: 1}
+).toArray();
+print("Found " + users.length + " users in age range");
+
+var names = {
+	"5411cb3769152f1707be029c": "Dungeons of Kithgard",
+	"54173c90844506ae0195a0b4": "Gems in the Deep",
+	"54174347844506ae0195a0b8": "Shadow Guard",
+	"54ca592de4983255055a5478": "Enemy Mine",
+	"541875da4c16460000ab990f": "True Names",
+	"5604169b60537b8705386a59": "Kithgard Librarian",
+	"55ca293b9bc1892c835b0136": "Fire Dancing",
+	"565ce2291b940587057366dd": "Loop Da Loop",
+	"545a5914d820eb0000f6dc0a": "Haunted Kithmaze",
+	"5418cf256bae62f707c7e1c3": "The Second Kithmaze",
+	"5418d40f4c16460000ab9ac2": "Dread Door",
+	"54e0cdefe308cb510555a7f5": "Cupboards of Kithgard",
+	"54f0e074a375e47f055d619c": "Breakout",
+	"5452adea57e83800009730ee": "Known Enemy",
+	"5452c3ce57e83800009730f7": "Master of Names",
+	"55ca29439bc1892c835b0137": "A Mayhem of Munchkins",
+	"5452d8b906a59e000067e4fa": "The Gauntlet",
+	"541b434e1ccc8eaae19f3c33": "The Final Kithmaze",
+	"541c9a30c6362edfb0f34479": "Kithgard Gates",
+	"5630eab0c0fcbd86057cc2f8": "Wakka Maul"
+};
+
+var samples = 0;
+var excluded = 0;
+var buckets = {
+	30: 0,
+	45: 0,
+	60: 0,
+	75: 0,
+	90: 0,
+	120: 0,
+	'Infinity': 0
+};
+
+var years = {
+
+};
+
+_.shuffle(users.slice(0,1000)).forEach(function(user, idx) {
+	print("Scan " + user.email + ' / ' + user.birthday);
+	var totalPlayTime = 0;
+	var sessions = ls.level.sessions.find(
+		{code: {$exists: 1}, creator: user._id.valueOf()},
+		{'created': 1, 'level': 1, playtime: 1, 'state.complete': 1}
+	).toArray();
+	sessions = _.sortBy(sessions, 'created');
+	var success = false;
+	for ( var i = 0; i < sessions.length; ++i ) {
+		var s = sessions[i];
+		var name = names[s.level.original];
+		if ( !name ) {
+			++excluded;
+			return;
+		}
+		totalPlayTime += s.playtime;
+		if ( name == 'Known Enemy' && s.state.complete ) {
+			success = true;
+			break;
+		}
+		
+		//print(s.created, name, s.state.complete, totalPlayTime / 60);
+	}
+	if ( !success && totalPlayTime < 60 * 90 ) return;
+	var by = ISODate(user.birthday).getYear();
+	if ( !years[by] ) years[by] = 1;
+	else ++years[by];
+	++samples;
+	if ( success ) {
+		for ( var bracket in buckets ) {
+			if ( Number(bracket) * 60 >= totalPlayTime ) {
+				buckets[bracket]++;
+			}
+		}
+	}
+	//print(JSON.stringify(sessions, null, '  '));
+
+});
+print("Excluded " + excluded + "\tSample Size:" + samples );
+_.forEach(buckets, function(v,k) {
+	print(k + 'm\t', (v * 100 / samples) + '%');
+});
+
+//print(JSON.stringify(years, null, '  '));
+