add rename project via api

db.js

@@ -49,6 +49,13 @@ exports.init = function(dbPath, params, callback) {
 
 		Steppy(
 			function() {
+				// quit if we already have ids and numbers
+				if (_(builds).all(function(build) {
+					return build.id && build.number;
+				})) {
+					return callback();
+				}
+
 				if (builds.length > 1) {
 					throw new Error('Build put hooks work only with single build');
 				}

httpApi.js

@@ -97,6 +97,47 @@ module.exports = function(app) {
 		);
 	});
 
+	router.patch('/api/projects/:name', function(req, res, next) {
+		var projectName = req.params.name,
+			newProjectName = req.body.name;
+
+		Steppy(
+			function() {
+				logger.log(
+					'Rename project "%s" to "%s"', projectName, newProjectName
+				);
+
+				if (!newProjectName) throw new Error('new project name is not set');
+
+				var curProject = _(app.projects).findWhere({name: projectName});
+				if (!curProject) {
+					throw new Error('Project "' + projectName + '" not found');
+				}
+				this.pass(curProject);
+
+				var newProject = _(app.projects).findWhere({name: newProjectName});
+				if (newProject) {
+					throw new Error(
+						'Project name "' + newProjectName + '" already used'
+					);
+				}
+
+				project.rename({
+					baseDir: app.config.paths.projects,
+					name: projectName,
+					newName: newProjectName
+				}, this.slot());
+			},
+			function(err, curProject) {
+				curProject.name = newProjectName;
+
+				res.statusCode = 204;
+				res.end();
+			},
+			next
+		);
+	});
+
 	return function(req, res) {
 
 		Steppy(
@@ -113,7 +154,7 @@ module.exports = function(app) {
 					bodyString += data;
 				});
 				req.on('end', function() {
-					var body = bodyString ? JSON.parse(bodyString) : null;
+					var body = bodyString ? JSON.parse(bodyString) : {};
 					stepCallback(null, body);
 				});
 				req.on('error', stepCallback);

lib/project.js

@@ -168,3 +168,25 @@ exports.remove = function(params, callback) {
 		callback
 	);
 };
+
+exports.rename = function(params, callback) {
+	Steppy(
+		function() {
+			fs.rename(
+				path.join(params.baseDir, params.name),
+				path.join(params.baseDir, params.newName),
+				this.slot()
+			);
+
+			db.builds.multiUpdate(
+				{start: {projectName: params.name, descCreateDate: ''}},
+				function(build) {
+					build.project.name = params.newName;
+					return build;
+				},
+				this.slot()
+			);
+		},
+		callback
+	);
+};