public void TestOutReplaceSharded()
{
var options = MapReduceOptions.SetOutput(MapReduceOutput.Replace("name", true));
var expected = "{ \"out\" : { \"replace\" : \"name\", \"sharded\" : true } }";
Assert.AreEqual(expected, options.ToJson());
}
public void TestOutReplace()
{
var options = MapReduceOptions.SetOutput(MapReduceOutput.Replace("name"));
var expected = "{ \"out\" : \"name\" }";
Assert.AreEqual(expected, options.ToJson());
}
public void TestOutReplaceWithDatabase()
{
var options = MapReduceOptions.SetOutput(MapReduceOutput.Replace("database", "name"));
var expected = "{ \"out\" : { \"replace\" : \"name\", \"db\" : \"database\" } }";
Assert.AreEqual(expected, options.ToJson());
}
public void UpdateUserNote()
{
var result = _membersCollection.MapReduce(
MapReduceCodeLoader.Load("ResponsesUserNote.map.js"),
MapReduceCodeLoader.Load("Notes.reduce.js"),
MapReduceOptions.SetOutput(MapReduceOutput.Replace(CollectionNames.Member)));
if (result.Ok)
{
Logger.Info("Map reduce for user note completed");
}
else
{
Logger.Error("Map reduce for user note failed");
}
}
private void MapReduce()
{
var map = string.Format(@"
function() {{
var queuedTrack = this;
var requestCount = (queuedTrack.User.toLowerCase().indexOf('{0}') == 0) ? 0 : 1;
var autoPlayCount = (requestCount==1) ? 0 : 1;
emit(queuedTrack.Track.Link, {{ requestCount: requestCount, vetoCount: queuedTrack.Vetoes.length, likeCount: queuedTrack.Likes.length, autoPlayCount: autoPlayCount,lastPlayed: Date.parse(queuedTrack.StartedPlayingDateTime),excluded: queuedTrack.Excluded, track: queuedTrack.Track}});
}}", "autoplay");
const string reduce = @"
function(key, values) {
var result = {requestCount: 0, vetoCount: 0, likeCount: 0, autoPlayCount: 0, lastPlayed: 0, excluded: false, track: null };
values.forEach(function(value){
result.requestCount += value.requestCount;
result.vetoCount += value.vetoCount;
result.likeCount += value.likeCount;
result.autoPlayCount += value.autoPlayCount;
if(result.excluded == false) result.excluded = value.excluded; //waiting until we find at least one play
if (value.lastPlayed > result.lastPlayed) result.lastPlayed = value.lastPlayed;
if (!result.track) result.track = value.track;
});
return result;
}";
string finalize = string.Format(@"
function(key, value){{
var score = (value.likeCount - value.vetoCount)+1;
if (score <= 0) score = 0.001;
score = Math.round((score * (Math.random()/{0}))*1000);
return {{IsExcluded: value.excluded, Score: score, MillisecondsSinceLastPlay: Date.now()-value.lastPlayed, Track: value.track}};
}}", 3);
var options = new MapReduceOptionsBuilder();
options.SetFinalize(finalize);
options.SetOutput(MapReduceOutput.Replace(DataCollectionName));
if (queuedTrackDataService.DataCollection.Exists())
{
queuedTrackDataService.DataCollection.MapReduce(map, reduce, options).GetResults();
}
}
