Sha256: 5dafee144c209df716052f4b86777cd7cb1ac54d5f5df9dbfb3900f20ae1ca70
Contents?: true
Size: 674 Bytes
Versions: 13
Compression:
Stored size: 674 Bytes
Contents
// TODO: port it to map reduce
function tagCloud(collection, q, limit) {
var counts = db.eval(
function(collection, q){
var counts = {};
db[collection].find(q, {"tags":1}).limit(500).forEach(
function(p){
if ( p.tags ){
for ( var i=0; i<p.tags.length; i++ ){
var name = p.tags[i];
counts[name] = 1 + ( counts[name] || 0 );
}
}
}
);
return counts;
},
collection,
q
);
// maybe sort to by nice
var sorted = [];
for ( var tag in counts ){
sorted.push( { name : tag , count : counts[tag] } )
}
return sorted.slice(0,limit||30);
}
Version data entries
13 entries across 13 versions & 1 rubygems