Error is undefined method `roles' for nil:NilClass On Sep 17, 10:03 pm, nobosh <[email protected]> wrote: > I have a Projects View that shows a list of all projects... I want to > be able to say per project if the currently signed in user is a member > or not, and what there role is... > > In the project View I have: > <% if team_member?(project.id, current_user) %> > <td>Request to Join</td> > <% else %> > <td>Already Joined</td> > <% end %> > > then the helper: > > module ProjectsHelper > def team_member?(project_id, current_user) > if > current_user.permissions.find_by_project_id(project_id).role.try(:name).nil ? > true > else > false > end > end > end > > *** But that errors. Can you help me out? > > Models: > permission.rb > > class Permission < ActiveRecord::Base > belongs_to :user > belongs_to :project > belongs_to :role > end > project.rb > > class Project < ActiveRecord::Base > > has_many :permissions > has_many :users, :through => :permissions > > end > role.rb > > class Role < ActiveRecord::Base > has_many :permissions > end > user.rb > > class User < ActiveRecord::Base > > belongs_to :instance > has_many :books > has_many :permissions > has_many :projects, :through => :permissions
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