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25 lines
863 B
JavaScript
25 lines
863 B
JavaScript
// Print out teacher survey counts by day
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// Usage:
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// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
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var surveyDayMap = {};
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var cursor = db['trial.requests'].find({type: 'subscription'});
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while (cursor.hasNext()) {
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var doc = cursor.next();
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var date = doc._id.getTimestamp();
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var day = date.toISOString().substring(0, 10);
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if (!surveyDayMap[day]) surveyDayMap[day] = 0;
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surveyDayMap[day]++;
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}
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var surveysSorted = [];
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for (var day in surveyDayMap) {
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surveysSorted.push({day: day, count: surveyDayMap[day]});
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}
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surveysSorted.sort(function(a, b) {return b.day.localeCompare(a.day);});
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print("Number of teacher surveys per day:")
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for (var i = 0; i < surveysSorted.length; i++) {
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var stars = new Array(surveysSorted[i].count + 1).join('*');
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print(surveysSorted[i].day + "\t" + surveysSorted[i].count + "\t" + stars);
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}
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