+ if not super
+ false
+ elsif current_user.is_admin
+ true
+ elsif name_changed?
+ current_user.uuid == owner_uuid
+ else
+ true
+ end
+ end
+
+ def owner
+ User.find_by_uuid(owner_uuid)
+ end
+
+ def valid_owner
+ if owner.nil? or (owner.username.nil? and (owner.uuid != system_user_uuid))
+ errors.add(:owner_uuid, "must refer to a user with a username")
+ false
+ end
+ end
+
+ def name_format
+ if owner.uuid == system_user_uuid
+ prefix_match = ""
+ errmsg_start = "must be"
+ else
+ prefix_match = Regexp.escape(owner.username + "/")
+ errmsg_start = "must be the owner's username, then '/', then"
+ end
+ if not (/^#{prefix_match}[A-Za-z][A-Za-z0-9]*$/.match(name))
+ errors.add(:name,
+ "#{errmsg_start} a letter followed by alphanumerics, expected pattern '#{prefix_match}[A-Za-z][A-Za-z0-9]*' but was '#{name}'")
+ false
+ end
+ end
+
+ def ssh_clone_url
+ _clone_url Rails.configuration.Services.GitSSH.andand.ExternalURL, 'ssh://git@git.%s.arvadosapi.com'
+ end
+
+ def https_clone_url
+ _clone_url Rails.configuration.Services.GitHTTP.andand.ExternalURL, 'https://git.%s.arvadosapi.com/'
+ end
+
+ def _clone_url config_var, default_base_fmt
+ if not config_var
+ return ""
+ end
+ prefix = new_record? ? Rails.configuration.ClusterID : uuid[0,5]
+ if prefix == Rails.configuration.ClusterID and config_var != URI("")
+ base = config_var
+ else
+ base = URI(default_base_fmt % prefix)
+ end
+ if base.path == ""
+ base.path = "/"
+ end
+ if base.scheme == "ssh"
+ '%s@%s:%s.git' % [base.user, base.host, name]
+ else
+ '%s%s.git' % [base, name]
+ end