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

backend/internal/entity/user/model.go

@@ -1,7 +1,6 @@
 package user
 
 import (
-	goerrors "errors"
 	"fmt"
 	"strings"
 	"time"
@@ -14,6 +13,7 @@ import (
 	"npm/internal/util"
 
 	"github.com/drexedam/gravatar"
+	"github.com/rotisserie/eris"
 )
 
 const (
@@ -100,7 +100,7 @@ func (m *Model) Delete() bool {
 // SetPermissions will wipe out any existing permissions and add new ones for this user
 func (m *Model) SetPermissions(permissions []string) error {
 	if m.ID == 0 {
-		return fmt.Errorf("Cannot set permissions without first saving the User")
+		return eris.Errorf("Cannot set permissions without first saving the User")
 	}
 
 	db := database.GetInstance()
@@ -156,12 +156,12 @@ func (m *Model) generateGravatar() {
 func (m *Model) SaveCapabilities() error {
 	// m.Capabilities
 	if m.ID == 0 {
-		return fmt.Errorf("Cannot save capabilities on unsaved user")
+		return eris.Errorf("Cannot save capabilities on unsaved user")
 	}
 
 	// there must be at least 1 capability
 	if len(m.Capabilities) == 0 {
-		return goerrors.New("At least 1 capability required for a user")
+		return eris.New("At least 1 capability required for a user")
 	}
 
 	db := database.GetInstance()
@@ -183,7 +183,7 @@ func (m *Model) SaveCapabilities() error {
 			}
 		}
 		if !found {
-			return fmt.Errorf("Capability `%s` is not valid", cap)
+			return eris.Errorf("Capability `%s` is not valid", cap)
 		}
 	}