move functions for getting recent bulds and done streak to builds collection

lib/build.js

@@ -132,3 +132,64 @@ BuildsCollection.prototype.getProjectAvgBuildDuration = function(params, callbac
 		callback
 	);
 };
+
+BuildsCollection.prototype.getRecent = function(params, callback) {
+	params.limit = params.limit || 20;
+	var self = this;
+
+	Steppy(
+		function() {
+			var findParams = {start: {}, limit: params.limit};
+
+			// such condition for match one of projections:
+			// projectName, descCreateDate
+			// projectName, status, descCreateDate
+			// or just descCreateDate projection if project name is not set
+			if (params.projectName) {
+				findParams.start.projectName = params.projectName;
+				if (params.status) findParams.start.status = params.status;
+			}
+
+			findParams.descCreateDate = '';
+
+			self.db.builds.find(findParams, this.slot());
+		},
+		callback
+	);
+};
+
+BuildsCollection.prototype.getDoneStreak = function(params, callback) {
+	var self = this;
+
+	Steppy(
+		function() {
+			var start = {};
+
+			if (params.projectName) start.projectName = params.projectName;
+
+			start.descCreateDate = '';
+
+			// tricky but effective streak counting inside filter goes below
+			var doneBuildsStreakCallback = _(this.slot()).once(),
+				doneBuildsStreak = 0;
+
+			self.db.builds.find({
+				start: start,
+				filter: function(build) {
+					// error exits streak
+					if (build.status === 'error') {
+						doneBuildsStreakCallback(null, doneBuildsStreak);
+						return true;
+					}
+					if (build.status === 'done') {
+						doneBuildsStreak++;
+					}
+				},
+				limit: 1
+			}, function(err) {
+				doneBuildsStreakCallback(err, doneBuildsStreak);
+			});
+		},
+		callback
+	);
+};

resources/projects.js

@@ -39,38 +39,13 @@ module.exports = function(app) {
 				}, this.slot());
 
 				// get last done build
-				app.builds.find({
-					start: {
-						projectName: project.name,
-						status: 'done',
-						descCreateDate: ''
-					},
+				app.builds.getRecent({
+					projectName: project.name,
+					status: 'done',
 					limit: 1
 				}, this.slot());
 
-				// tricky but effective streak counting inside filter goes below
-				var doneBuildsStreakCallback = _(this.slot()).once(),
-					doneBuildsStreak = 0;
-
-				app.builds.find({
-					start: {
-						projectName: project.name,
-						descCreateDate: ''
-					},
-					filter: function(build) {
-						// error exits streak
-						if (build.status === 'error') {
-							doneBuildsStreakCallback(null, doneBuildsStreak);
-							return true;
-						}
-						if (build.status === 'done') {
-							doneBuildsStreak++;
-						}
-					},
-					limit: 1
-				}, function(err) {
-					doneBuildsStreakCallback(err, doneBuildsStreak);
-				});
+				app.builds.getDoneStreak({projectName: project.name}, this.slot());
 			},
 			function(err, avgProjectBuildDuration, lastDoneBuilds, doneBuildsStreak) {
 				project.lastDoneBuild = lastDoneBuilds[0];