Create dir with namespace. Create namespace with user

app/models/namespace.rb

@@ -10,6 +10,8 @@ class Namespace < ActiveRecord::Base
 
   delegate :name, to: :owner, allow_nil: true, prefix: true
 
+  after_save :ensure_dir_exist
+
   scope :root, where('type IS NULL')
 
   def self.search query
@@ -23,4 +25,9 @@ class Namespace < ActiveRecord::Base
   def human_name
     owner_name
   end
+
+  def ensure_dir_exist
+    namespace_dir_path = File.join(Gitlab.config.git_base_path, code)
+    Dir.mkdir(namespace_dir_path) unless File.exists?(namespace_dir_path)
+  end
 end

app/models/project.rb

@@ -67,6 +67,7 @@ class Project < ActiveRecord::Base
                       message: "only letters, digits & '_' '-' '.' allowed. Letter should be first" }
   validates :issues_enabled, :wall_enabled, :merge_requests_enabled,
             :wiki_enabled, inclusion: { in: [true, false] }
+
   validate :check_limit, :repo_name
 
   # Scopes
@@ -89,6 +90,12 @@ class Project < ActiveRecord::Base
       project = Project.new params
 
       Project.transaction do
+
+        # Build gitlab-hq code from GitLab HQ name
+        #
+        slug = project.name.dup.parameterize
+        project.code = project.path = slug
+
         project.owner = user
         project.namespace_id = namespace_id
         project.save!

app/models/user.rb

@@ -63,11 +63,14 @@ class User < ActiveRecord::Base
   validates :bio, length: { within: 0..255 }
   validates :extern_uid, :allow_blank => true, :uniqueness => {:scope => :provider}
   validates :projects_limit, presence: true, numericality: {greater_than_or_equal_to: 0}
+  validates :username, presence: true
 
   before_validation :generate_password, on: :create
   before_save :ensure_authentication_token
   alias_attribute :private_token, :authentication_token
 
+  delegate :code, to: :namespace, allow_nil: true, prefix: true
+
   # Scopes
   scope :not_in_project, ->(project) { where("id not in (:ids)", ids: project.users.map(&:id) ) }
   scope :admins, where(admin:  true)
@@ -122,4 +125,8 @@ class User < ActiveRecord::Base
     namespaces = namespaces + Group.all if admin
     namespaces
   end
+
+  def several_namespaces?
+    namespaces.size > 1
+  end
 end