mirror of
https://github.com/codeninjasllc/codecombat.git
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87 lines
3 KiB
JavaScript
87 lines
3 KiB
JavaScript
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// Aggregate start/finish level event counts by day using mapReduce
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// Usage:
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// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
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// TODO: This basically never returns. Why so slow?
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// TODO: For only endangered-burl and dungeons-of-kithgard on 1/7/15
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// TODO: 20s removing uniques in reduce, 7.6s keeping uniques, 9s removing uniques in finalize
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// TODO: For all levels on 1/7/15, 136s. Yikes!
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// Calling mapReduce...
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// {
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// "mapTime" : 4924,
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// "emitLoop" : 134561,
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// "reduceTime" : 128327,
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// "mode" : "mixed",
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// "total" : 136173
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// }
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// { "input" : 98194, "emit" : 98194, "reduce" : 27074, "output" : 202 }
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function map() {
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var user = this.user;
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var event = this.event;
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var level;
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if (this.properties['level']) {
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level = this.properties['level'].toLowerCase().replace(/ /g, '-');
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event = 'finished';
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}
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else if (this.properties['levelID']) {
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level = this.properties['levelID'];
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event = 'started';
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}
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else {
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return;
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}
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var created = this.created.toISOString().substring(0, 10);
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// Have to wrap array value in an object
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// http://stackoverflow.com/questions/8175015/mongodb-mapreduce-reduce-multiple-not-supported-yet
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emit({"event": event, "level": level, "created": created}, {users: [user]});
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}
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function reduce(key, values) {
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// Combine individual user lists
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// values: [{users: [user1, user2]}, {users: [user1, user3]}, ...]
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var set = [];
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for (var i = 0; i < values.length; i++) set = set.concat(values[i].users);
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return {users: set};
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}
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function finalize(key, reducedVal) {
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// Convert to unique user count
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var users = {};
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for (var i = 0; i < reducedVal.users.length; i++) users[reducedVal.users[i]] = true;
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return Object.keys(users).length;
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}
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print("Calling mapReduce...");
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var output = db['analytics.log.events'].mapReduce(map, reduce,
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{
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query: {
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$and: [
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{created: {$gte: ISODate("2015-01-07T00:00:00.000Z")}},
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{created: {$lt: ISODate("2015-01-08T00:00:00.000Z")}},
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// {$or: [ {"properties.level": {$exists: true}}, {"properties.levelID": {$exists: true}}]},
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// {$or: [
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// {"properties.level": "Endangered Burl"}, {"properties.levelID": "endangered-burl"},
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// {"properties.level": "Dungeons of Kithgard"}, {"properties.levelID": "dungeons-of-kithgard"}
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// ]},
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{$or: [ {"event" : 'Started Level'}, {"event" : 'Saw Victory'}]}
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]
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},
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finalize: finalize,
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out: { inline: 1 },
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verbose: true
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});
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var results = output.results;
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// print(results.length);
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printjson(output.timing);
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printjson(output.counts);
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print("Printing results...");
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for (var i = 0; i < results.length; i++) {
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// // if (results[i]["_id"]["level"] === "endangered-burl")
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// // print(results[i]["_id"]["created"], results[i]["_id"]["event"], results[i]["value"]);
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print(results[i]["_id"]["created"], results[i]["_id"]["event"], results[i]["value"], results[i]["_id"]["level"]);
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// printjson(results[i]);
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}
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