Restructure omni services and add Chatwoot research snapshot

research/chatwoot/spec/enterprise/builders/agent_builder_spec.rb

@@ -0,0 +1,139 @@
+require 'rails_helper'
+
+RSpec.describe AgentBuilder do
+  let(:email) { 'agent@example.com' }
+  let(:name) { 'Test Agent' }
+  let(:account) { create(:account) }
+  let!(:inviter) { create(:user, account: account, role: 'administrator') }
+  let(:builder) do
+    described_class.new(
+      email: email,
+      name: name,
+      account: account,
+      inviter: inviter
+    )
+  end
+
+  describe '#perform with SAML enabled' do
+    let(:saml_settings) do
+      create(:account_saml_settings, account: account)
+    end
+
+    before { saml_settings }
+
+    context 'when user does not exist' do
+      it 'creates a new user with SAML provider' do
+        expect { builder.perform }.to change(User, :count).by(1)
+
+        user = User.from_email(email)
+        expect(user.provider).to eq('saml')
+      end
+
+      it 'creates user with correct attributes' do
+        user = builder.perform
+
+        expect(user.email).to eq(email)
+        expect(user.name).to eq(name)
+        expect(user.provider).to eq('saml')
+        expect(user.encrypted_password).to be_present
+      end
+
+      it 'adds user to the account with correct role' do
+        user = builder.perform
+        account_user = AccountUser.find_by(user: user, account: account)
+
+        expect(account_user).to be_present
+        expect(account_user.role).to eq('agent')
+        expect(account_user.inviter).to eq(inviter)
+      end
+    end
+
+    context 'when user already exists with email provider' do
+      let!(:existing_user) { create(:user, email: email, provider: 'email') }
+
+      it 'does not create a new user' do
+        expect { builder.perform }.not_to change(User, :count)
+      end
+
+      it 'converts existing user to SAML provider' do
+        expect(existing_user.provider).to eq('email')
+
+        builder.perform
+
+        expect(existing_user.reload.provider).to eq('saml')
+      end
+
+      it 'adds existing user to the account' do
+        user = builder.perform
+        account_user = AccountUser.find_by(user: user, account: account)
+
+        expect(account_user).to be_present
+        expect(account_user.inviter).to eq(inviter)
+      end
+    end
+
+    context 'when user already exists with SAML provider' do
+      let!(:existing_user) { create(:user, email: email, provider: 'saml') }
+
+      it 'does not change the provider' do
+        expect { builder.perform }.not_to(change { existing_user.reload.provider })
+      end
+
+      it 'still adds user to the account' do
+        user = builder.perform
+        account_user = AccountUser.find_by(user: user, account: account)
+
+        expect(account_user).to be_present
+      end
+    end
+  end
+
+  describe '#perform without SAML' do
+    context 'when user does not exist' do
+      it 'creates a new user with email provider (default behavior)' do
+        expect { builder.perform }.to change(User, :count).by(1)
+
+        user = User.from_email(email)
+        expect(user.provider).to eq('email')
+      end
+    end
+
+    context 'when user already exists' do
+      let!(:existing_user) { create(:user, email: email, provider: 'email') }
+
+      it 'does not change the existing user provider' do
+        expect { builder.perform }.not_to(change { existing_user.reload.provider })
+      end
+    end
+  end
+
+  describe '#perform with different account configurations' do
+    context 'when account has no SAML settings' do
+      # No saml_settings created for this account
+
+      it 'treats account as non-SAML enabled' do
+        user = builder.perform
+        expect(user.provider).to eq('email')
+      end
+    end
+
+    context 'when SAML settings are deleted after user creation' do
+      let(:saml_settings) do
+        create(:account_saml_settings, account: account)
+      end
+      let(:existing_user) { create(:user, email: email, provider: 'saml') }
+
+      before do
+        saml_settings
+        existing_user
+      end
+
+      it 'does not affect existing SAML users when adding to account' do
+        saml_settings.destroy!
+
+        user = builder.perform
+        expect(user.provider).to eq('saml') # Unchanged
+      end
+    end
+  end
+end