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effective streak counting

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This commit is contained in:
oleg 2015-07-15 10:54:50 +03:00
parent 670e83a843
commit c2db37b285
1 changed files with 20 additions and 12 deletions
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32
resources/projects.js
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@ -33,26 +33,34 @@ module.exports = function(app) {
status: 'done',
descCreateDate: ''
},
limit: 20
limit: 10
}, this.slot());
// get last builds to calc current success streak
var isAllPrevDone = true;
db.builds.count({
// tricky but effective streak counting inside filter goes below
var doneBuildsStreakCallback = _(this.slot()).once(),
doneBuildsStreak = 0;
db.builds.find({
start: {
projectName: project.name,
descCreateDate: ''
},
// TODO: find should be implemented at nlevel
filter: function(build) {
if (isAllPrevDone && build.status === 'error') {
isAllPrevDone = false;
// error exits streak
if (build.status === 'error') {
doneBuildsStreakCallback(null, doneBuildsStreak);
return true;
}
return isAllPrevDone && build.status === 'done';
}
}, this.slot());
if (build.status === 'done') {
doneBuildsStreak++;
}
},
limit: 1
}, function(err) {
doneBuildsStreakCallback(err, doneBuildsStreak);
});
},
function(err, doneBuilds, doneBuildsCount) {
function(err, doneBuilds, doneBuildsStreak) {
project.lastDoneBuild = doneBuilds[0];
var durationsSum = _(doneBuilds).reduce(function(memo, build) {
@ -63,7 +71,7 @@ module.exports = function(app) {
durationsSum / doneBuilds.length
);
project.doneBuildsStreak = doneBuildsCount
project.doneBuildsStreak = doneBuildsStreak;
res.send(project);
}