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preen-cron: some history-preening cleanup & coments

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This commit is contained in:
Tyler Renelle
2013-06-15 12:52:21 -04:00
parent 5d05c815bd
commit cc0206e54e
1 changed files with 20 additions and 12 deletions
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migrations/preen_cron.js
+20 -12
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@@ -11,8 +11,9 @@ var today = +new Date;
/**
* Users are allowed to experiment with the site before registering. Every time a new browser visits habitrpg, a new
* "staged" account is created - and if the user later registeres, that staged account is considered a "production" account.
* This function removes all staged accounts that have been abandoned - either older than a month, or corrupted in some way (lastCron==undefined)
* "staged" account is created - and if the user later registers, that staged account is considered a "production" account.
* This function removes all staged accounts that have been abandoned - either older than a month, or corrupted in
* some way (lastCron==undefined)
*/
db.users.find({
@@ -42,15 +43,20 @@ db.users.groups.remove({
/**
* Preen history for users with > 7 history entries
* This takes an infinite array of single day entries [day day day day day...], and turns it into a condensed array
* of averages, condensing more the further back in time we go. Eg, 7 entries each for last 7 days; 4 entries for last
* 4 weeks; 12 entries for last 12 months; 1 entry per year before that: [day*7 week*4 month*12 year*infinite]
*/
function preenHistory(history) {
var newHistory = [];
function preen(amount, format) {
function preen(amount, groupBy) {
var groups, avg, start;
groups = _(history)
.groupBy(function(h){ return moment(h.date).format(format) })
.sortBy(function(h,k) {return k;}) // TODO make sure this is the right order
.value()
.filter(function(h){return !!h}) // discard nulls (corrupted somehow)
.groupBy(function(h){ return moment(h.date).format(groupBy) }) // get date groupings to average against
.sortBy(function(h,k) {return k;}) // sort by date
.value(); // turn into an array
amount++; // if we want the last 4 weeks, we're going 4 weeks back excluding this week. so +1 to account for exclusion
start = (groups.length - amount > 0) ? groups.length - amount : 0;
groups = groups.slice(start, groups.length - 1)
_.each(groups, function(group){
@@ -59,9 +65,9 @@ function preenHistory(history) {
})
}
preen(50, 'YYYY', 'YYYY'); // last 50 years
preen(12, 'YYYYMM', 'MMM YYYY'); // last 12 months
preen(4, 'YYYYww', 'WW YYYY'); // last 4 weeks
preen(50, 'YYYY'); // last 50 years
preen(12, 'YYYYMM'); // last 12 months
preen(4, 'YYYYww'); // last 4 weeks
newHistory = newHistory.concat(history.slice(-7)); // last 7 days
return newHistory;
}
@@ -79,12 +85,14 @@ db.users.find({
var update = {$set:{}};
_.each(user.tasks, function(task) {
if (task.type === 'habit' || task.type === 'daily')
if ( task.history && task.history.length > 7 )
update['$set']['tasks.' + task.id + '.history'] = preenHistory(task.history);
})
update['$set']['history.exp'] = preenHistory(user.history.exp);
update['$set']['history.todos'] = preenHistory(user.history.todos);
if (user.history.exp && user.history.exp.length > 7)
update['$set']['history.exp'] = preenHistory(user.history.exp);
if (user.history.todos && user.history.todos.length > 7)
update['$set']['history.todos'] = preenHistory(user.history.todos);
db.users.update({_id: user._id}, update);
});