fix: sonarcloud warning and code cleanup

backend/src/services/UserServices/CreateUserService.ts

@@ -35,8 +35,9 @@ const CreateUserService = async ({
         "Check-email",
         "An user with this email already exists.",
         async value => {
+          if (!value) return false;
           const emailExists = await User.findOne({
-            where: { email: value! }
+            where: { email: value }
           });
           return !emailExists;
         }

backend/src/services/WhatsappService/CreateWhatsAppService.ts

@@ -32,13 +32,11 @@ const CreateWhatsAppService = async ({
         "Check-name",
         "This whatsapp name is already used.",
         async value => {
-          if (value) {
-            const whatsappFound = await Whatsapp.findOne({
-              where: { name: value }
-            });
-            return !whatsappFound;
-          }
-          return true;
+          if (!value) return false;
+          const nameExists = await Whatsapp.findOne({
+            where: { name: value }
+          });
+          return !nameExists;
         }
       ),
     isDefault: Yup.boolean().required()
@@ -52,9 +50,7 @@ const CreateWhatsAppService = async ({
 
   const whatsappFound = await Whatsapp.findOne();
 
-  if (!whatsappFound) {
-    isDefault = !whatsappFound;
-  }
+  isDefault = !whatsappFound;
 
   let oldDefaultWhatsapp: Whatsapp | null = null;
 

backend/src/services/WhatsappService/DeleteWhatsAppService.ts

@@ -1,7 +1,7 @@
 import Whatsapp from "../../models/Whatsapp";
 import AppError from "../../errors/AppError";
 
-const DeleteWhatsApprService = async (id: string): Promise<void> => {
+const DeleteWhatsAppService = async (id: string): Promise<void> => {
   const whatsapp = await Whatsapp.findOne({
     where: { id }
   });
@@ -13,4 +13,4 @@ const DeleteWhatsApprService = async (id: string): Promise<void> => {
   await whatsapp.destroy();
 };
 
-export default DeleteWhatsApprService;
+export default DeleteWhatsAppService;