Resolve invite bug on inviting a user

- was causing a regression where render_404 was being hit.

app/controllers/invites_controller.rb

@@ -76,8 +76,12 @@ class InvitesController < ApplicationController
     notice << "or create an account" if Gitlab::CurrentSettings.allow_signup?
     notice = notice.join(' ') + "."
 
+    initial_member = Member.find_by_invite_token(params[:id])
+    redirect_params = initial_member ? { invite_email: member.invite_email } : {}
+
     store_location_for :user, request.fullpath
-    redirect_to new_user_session_path(invite_email: member.invite_email), notice: notice
+
+    redirect_to new_user_session_path(redirect_params), notice: notice
   end
 
   def invite_details

app/models/member.rb

@@ -161,8 +161,8 @@ class Member < ApplicationRecord
       where(user_id: user_ids).has_access.pluck(:user_id, :access_level).to_h
     end
 
-    def find_by_invite_token(invite_token)
-      invite_token = Devise.token_generator.digest(self, :invite_token, invite_token)
+    def find_by_invite_token(raw_invite_token)
+      invite_token = Devise.token_generator.digest(self, :invite_token, raw_invite_token)
       find_by(invite_token: invite_token)
     end
 

changelogs/unreleased/241359-nomethoderror-undefined-method-invite_email-for-actionview-outputb.yml

+---
+title: 'Resolve NoMethodError: undefined method invite_email'
+merge_request: 41587
+author:
+type: fixed

spec/controllers/invites_controller_spec.rb

@@ -3,23 +3,26 @@
 require 'spec_helper'
 
 RSpec.describe InvitesController do
-  let(:token) { '123456' }
   let_it_be(:user) { create(:user) }
-  let(:member) { create(:project_member, :invited, invite_token: token, invite_email: user.email) }
+  let(:member) { create(:project_member, :invited, invite_email: user.email) }
+  let(:raw_invite_token) { member.raw_invite_token }
   let(:project_members) { member.source.users }
   let(:md5_member_global_id) { Digest::MD5.hexdigest(member.to_global_id.to_s) }
+  let(:params) { { id: raw_invite_token } }
 
   before do
     stub_application_setting(snowplow_enabled: true, snowplow_collector_hostname: 'localhost')
     controller.instance_variable_set(:@member, member)
-    sign_in(user)
   end
 
   describe 'GET #show' do
-    let(:params) { { id: token } }
-
     subject(:request) { get :show, params: params }
 
+    context 'when logged in' do
+      before do
+        sign_in(user)
+      end
+
       it 'accepts user if invite email matches signed in user' do
         expect do
           request
@@ -49,7 +52,7 @@ RSpec.describe InvitesController do
       end
 
       context 'when new_user_invite is experiment' do
-      let(:params) { { id: token, new_user_invite: 'experiment' } }
+        let(:params) { { id: raw_invite_token, new_user_invite: 'experiment' } }
 
         it 'tracks the user as experiment group' do
           expect(Gitlab::Tracking).to receive(:event).and_call_original.with(
@@ -70,7 +73,7 @@ RSpec.describe InvitesController do
       end
 
       context 'when new_user_invite is control' do
-      let(:params) { { id: token, new_user_invite: 'control' } }
+        let(:params) { { id: raw_invite_token, new_user_invite: 'control' } }
 
         it 'tracks the user as control group' do
           expect(Gitlab::Tracking).to receive(:event).and_call_original.with(
@@ -91,8 +94,31 @@ RSpec.describe InvitesController do
       end
     end
 
+    context 'when not logged in' do
+      context 'when inviter is a member' do
+        it 'is redirected to a new session with invite email param' do
+          request
+
+          expect(response).to redirect_to(new_user_session_path(invite_email: member.invite_email))
+        end
+      end
+
+      context 'when inviter is not a member' do
+        let(:params) { { id: '_bogus_token_' } }
+
+        it 'is redirected to a new session' do
+          request
+
+          expect(response).to redirect_to(new_user_session_path)
+        end
+      end
+    end
+  end
+
   describe 'POST #accept' do
-    let(:params) { { id: token } }
+    before do
+      sign_in(user)
+    end
 
     subject(:request) { post :accept, params: params }
 
@@ -105,7 +131,7 @@ RSpec.describe InvitesController do
     end
 
     context 'when new_user_invite is experiment' do
-      let(:params) { { id: token, new_user_invite: 'experiment' } }
+      let(:params) { { id: raw_invite_token, new_user_invite: 'experiment' } }
 
       it 'tracks the user as experiment group' do
         expect(Gitlab::Tracking).to receive(:event).and_call_original.with(
@@ -120,7 +146,7 @@ RSpec.describe InvitesController do
     end
 
     context 'when new_user_invite is control' do
-      let(:params) { { id: token, new_user_invite: 'control' } }
+      let(:params) { { id: raw_invite_token, new_user_invite: 'control' } }
 
       it 'tracks the user as control group' do
         expect(Gitlab::Tracking).to receive(:event).and_call_original.with(

spec/models/member_spec.rb

@@ -630,6 +630,14 @@ RSpec.describe Member do
     end
   end
 
+  describe '.find_by_invite_token' do
+    let!(:member) { create(:project_member, invite_email: "user@example.com", user: nil) }
+
+    it 'finds the member' do
+      expect(described_class.find_by_invite_token(member.raw_invite_token)).to eq member
+    end
+  end
+
   describe "#invite_to_unknown_user?" do
     subject { member.invite_to_unknown_user? }