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