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https://github.com/codeninjasllc/codecombat.git
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69 lines
2.5 KiB
JavaScript
69 lines
2.5 KiB
JavaScript
// Print out code language usage based on level session data
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// Usage:
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// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
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const scriptStartTime = new Date();
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const today = new Date().toISOString().substr(0, 10);
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const numDays = 30;
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const dayIncrement = 1;
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const startDate = new Date();
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startDate.setUTCDate(startDate.getUTCDate() - numDays);
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var startDay = startDate.toISOString().substr(0, 10);
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const endDate = new Date();
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endDate.setUTCDate(endDate.getUTCDate() - numDays + dayIncrement);
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var endDay = endDate.toISOString().substr(0, 10);
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log("Start day: " + startDay);
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const languages = {};
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while (startDay <= today) {
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log(startDay + " " + endDay);
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const startObj = objectIdWithTimestamp(ISODate(startDay + "T00:00:00.000Z"));
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const endObj = objectIdWithTimestamp(ISODate(endDay + "T00:00:00.000Z"));
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const query = {$and: [{_id: {$gte: startObj}}, {_id: {$lt: endObj}}, {codeLanguage: {$exists: true}}]};
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const cursor = db.level.sessions.find(query, {codeLanguage: 1});
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while (cursor.hasNext()) {
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const levelSession = cursor.next();
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if (!languages[levelSession.codeLanguage]) languages[levelSession.codeLanguage] = 0
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languages[levelSession.codeLanguage]++;
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}
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startDate.setUTCDate(startDate.getUTCDate() + dayIncrement);
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startDay = startDate.toISOString().substr(0, 10);
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endDate.setUTCDate(endDate.getUTCDate() + dayIncrement);
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endDay = endDate.toISOString().substr(0, 10);
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}
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const languageCounts = [];
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var total = 0;
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for (var language in languages) {
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languageCounts.push({language: language, count: languages[language]});
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total += languages[language];
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}
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languageCounts.sort((a, b) => {
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if (a.count < b.count) return 1;
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if (b.count < a.count) return -1;
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return 0;
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})
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for (var language of languageCounts) {
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print((language.count / total * 100).toFixed(2) + "%\t" + language.count + "\t" + language.language);
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}
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print("Level sessions with code languages", total);
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log("Script runtime: " + (new Date().getTime() - scriptStartTime.getTime()));
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function objectIdWithTimestamp(timestamp) {
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// Convert string date to Date object (otherwise assume timestamp is a date)
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if (typeof(timestamp) == 'string') timestamp = new Date(timestamp);
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// Convert date object to hex seconds since Unix epoch
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const hexSeconds = Math.floor(timestamp/1000).toString(16);
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// Create an ObjectId with that hex timestamp
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const constructedObjectId = ObjectId(hexSeconds + "0000000000000000");
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return constructedObjectId
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}
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function log(str) {
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print(new Date().toISOString() + " " + str);
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}
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