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Merge branch 'master' of https://github.com/codecombat/codecombat

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Nick Winter 2015-10-16 16:07:04 -07:00
commit eec818aa40
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scripts/mongodb/queries/coursesV1Beta.js Normal file
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// Grab course instance data for Courses v1 Beta
// Usage:
// mongo <address>:<port>/<database> <script file> -u <username> -p <password>
// TODO: order by average levels completed
function objectIdWithTimestamp(timestamp)
{
// Convert string date to Date object (otherwise assume timestamp is a date)
if (typeof(timestamp) == 'string') timestamp = new Date(timestamp);
// Convert date object to hex seconds since Unix epoch
var hexSeconds = Math.floor(timestamp/1000).toString(16);
// Create an ObjectId with that hex timestamp
var constructedObjectId = ObjectId(hexSeconds + "0000000000000000");
return constructedObjectId
}
var betaStartDate = new ISODate('2015-10-08');
var minMembers = 9;
var classes = [];
var ownerIDs = [];
var cursor = db['course.instances'].find({$and: [
{_id: {$gte: objectIdWithTimestamp(betaStartDate)}},
{$where: 'this.members.length > ' + minMembers}
]}).sort({_id: 1});
while (cursor.hasNext()) {
var doc = cursor.next();
var ownerID = doc.ownerID;
ownerIDs.push(ownerID);
if (!classes[ownerID.valueOf()]) classes[ownerID.valueOf()] = [];
classes.push({
courseID: doc.courseID,
courseInstanceID: doc._id,
url: 'codecombat.com/courses/' + doc.courseID.valueOf() + '/' + doc._id.valueOf(),
ownerID: doc.ownerID,
createDate: ownerID.getTimestamp(),
memberCount: doc.members.length,
name: doc.name
});
}
var userMap = {};
cursor = db.users.find({_id: {$in: ownerIDs}});
while (cursor.hasNext()) {
var doc = cursor.next();
if (!userMap[doc._id.valueOf()]) userMap[doc._id.valueOf()] = {};
userMap[doc._id.valueOf()].emailLower = doc.emailLower;
userMap[doc._id.valueOf()].name = doc.name;
}
for (var i = 0; i < classes.length; i++) {
classes[i].email = userMap[classes[i].ownerID.valueOf()].emailLower;
}
classes.sort(function(a, b) {
return b.memberCount - a.memberCount;
});
for (var i = 0; i < classes.length; i++) {
print(classes[i].url + '\t' + classes[i].memberCount + '\t' + classes[i].email + '\t' + classes[i].name);
}
print(classes.length + ' course instances with over ' + minMembers + ' members');