ruby on rails - Controller method not working: how to find related record in related model? -


i have member model related organization model: 1 organization has many members. in controller method below try find organization in line 3 set status activated in line .

however, when running tests error message nomethoderror: undefined method 'organization_id' nil:nilclass. don't think though member nil. ideas causing this?

  def edit     member = member.find_by(email: params[:email])     organization = organization.find_by(params[:member.organization_id])     if member && !member.activated? && member.authenticated?(:activation, params[:id])       member.activate       log_in("member", member)       flash[:success] = "account activated! can update profile."       redirect_to member       organization.update_attributes(activated: true) unless organization.activated?     elsif user && !user.activated? && user.authenticated?(:activation, params[:id])       user.activate       log_in("user", user)       flash[:success] = "account activated! can update profile."       redirect_to user     else       flash[:danger] = "invalid activation link"       redirect_to root_url     end   end 

member = member.find_by(email: params[:email]) organization = organization.find_by(params[:member.organization_id])

you have member, activerecord::associations magic:

member = member.find_by(email: params[:email]) if member   organization = member.organization else   #whatever end

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