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37 lines
971 B
JavaScript
37 lines
971 B
JavaScript
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// Print out spoken language usage based on signed-in user data
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// Usage:
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// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
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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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var cursor = db['users'].aggregate(
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[
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{ $match : {
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//$and: [{codeLanguage: {$exists: true}}, {created : { $gte: startDate}}]
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anonymous: false
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}
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},
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{
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$group : {
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_id: "$preferredLanguage",
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total: {$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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while (cursor.hasNext()) {
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var myDoc = cursor.next();
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total += myDoc.total;
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var lang = myDoc._id || 'en-US';
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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 registered users with spoken languages", total);
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for (key in languages) {
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print(languages[key] + "\t" + (languages[key] / total * 100).toFixed(2) + "%\t" + key);
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}
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