codecombat/scripts/analytics/mongodb/queries/CodeLanguageUsage.js
2014-12-15 13:53:08 -08:00

30 lines
No EOL
809 B
JavaScript

// Print out code language usage based on level session data
var total = 0;
var languages = {};
var startDate = new ISODate("2014-12-01T00:00:00.000Z")
db['level.sessions'].aggregate(
[
{ $match : {
//$and: [{codeLanguage: {$exists: true}}, {created : { $gte: startDate}}]
codeLanguage: {$exists: true}
}
},
{
$group : {
_id: "$codeLanguage",
total: {$sum: 1}
}
},
{ $sort : { total : -1} }
]
).result.forEach( function (myDoc) {
//print(myDoc)
total += myDoc.total;
if (!languages[myDoc._id])
languages[myDoc._id] = 0
languages[myDoc._id] += myDoc.total
})
print("Total sessions with code languages", total);
for (key in languages) {
print(key, languages[key], languages[key] / total * 100);
}