feat: Ability to unmute muted conversations (#1319)

spec/controllers/api/v1/accounts/conversations_controller_spec.rb

@@ -246,6 +246,31 @@ RSpec.describe 'Conversations API', type: :request do
     end
   end
 
+  describe 'POST /api/v1/accounts/{account.id}/conversations/:id/unmute' do
+    let(:conversation) { create(:conversation, account: account).tap(&:mute!) }
+
+    context 'when it is an unauthenticated user' do
+      it 'returns unauthorized' do
+        post "/api/v1/accounts/#{account.id}/conversations/#{conversation.display_id}/unmute"
+
+        expect(response).to have_http_status(:unauthorized)
+      end
+    end
+
+    context 'when it is an authenticated user' do
+      let(:agent) { create(:user, account: account, role: :agent) }
+
+      it 'unmutes conversation' do
+        post "/api/v1/accounts/#{account.id}/conversations/#{conversation.display_id}/unmute",
+             headers: agent.create_new_auth_token,
+             as: :json
+
+        expect(response).to have_http_status(:success)
+        expect(conversation.reload.muted?).to eq(false)
+      end
+    end
+  end
+
   describe 'POST /api/v1/accounts/{account.id}/conversations/:id/transcript' do
     let(:conversation) { create(:conversation, account: account) }