codecombat/scripts/analytics/mongodb/queries/spokenLanguageUsage.js
2015-02-16 17:12:59 -08:00

36 lines
971 B
JavaScript

// Print out spoken language usage based on signed-in user data
// Usage:
// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
var total = 0;
var languages = {};
//var startDate = new ISODate("2014-12-01T00:00:00.000Z");
var cursor = db['users'].aggregate(
[
{ $match : {
//$and: [{codeLanguage: {$exists: true}}, {created : { $gte: startDate}}]
anonymous: false
}
},
{
$group : {
_id: "$preferredLanguage",
total: {$sum: 1}
}
},
{ $sort : { total : -1} }
]);
while (cursor.hasNext()) {
var myDoc = cursor.next();
total += myDoc.total;
var lang = myDoc._id || 'en-US';
if (!languages[myDoc._id])
languages[myDoc._id] = 0
languages[myDoc._id] += myDoc.total
}
print("Total registered users with spoken languages", total);
for (key in languages) {
print(languages[key] + "\t" + (languages[key] / total * 100).toFixed(2) + "%\t" + key);
}