Use eris for error management

backend/internal/entity/user/methods.go

@@ -2,7 +2,6 @@ package user
 
 import (
 	"database/sql"
-	goerrors "errors"
 	"fmt"
 
 	"npm/internal/database"
@@ -10,6 +9,8 @@ import (
 	"npm/internal/errors"
 	"npm/internal/logger"
 	"npm/internal/model"
+
+	"github.com/rotisserie/eris"
 )
 
 // GetByID finds a user by ID
@@ -33,7 +34,7 @@ func Create(user *Model) (int, error) {
 	// database schema, but it's a bit more complex because of the is_deleted field.
 
 	if user.ID != 0 {
-		return 0, goerrors.New("Cannot create user when model already has an ID")
+		return 0, eris.New("Cannot create user when model already has an ID")
 	}
 
 	// Check if an existing user with this email exists
@@ -77,7 +78,7 @@ func Create(user *Model) (int, error) {
 // Update will Update a User from this model
 func Update(user *Model) error {
 	if user.ID == 0 {
-		return goerrors.New("Cannot update user when model doesn't have an ID")
+		return eris.New("Cannot update user when model doesn't have an ID")
 	}
 
 	// Check that the email address isn't associated with another user