wip: invoice reference generation

internal/models/user.go

@@ -21,6 +21,7 @@ func (db *DB) CreateUser(body types.CreateUserRequestBody) (types.User, error) {
 		Country:    body.Country,
 		Phone:      body.Phone,
 		Email:      body.Email,
+		IssuedInvoicesThisYear: 0,
 	}
 
 	result := db.instance.Create(&user)
@@ -99,6 +100,24 @@ func (db *DB) UpdateUser(id uuid.UUID, body types.UpdateUserRequestBody, user *t
 	return nil
 }
 
+func (db *DB) UpdateUserIssuesInvoicesThisYear(id uuid.UUID, issuedInvoicesThisYear uint32, user *types.User) error {
+	result := db.instance.Where("id = ?", id).First(user, id)
+
+	if result.Error != nil {
+		return result.Error
+	}
+
+	result = db.instance.Model(user).Updates(types.User{
+		IssuedInvoicesThisYear: issuedInvoicesThisYear,
+	})
+
+	if result.Error != nil {
+		return result.Error
+	}
+
+	return nil
+}
+
 func (db *DB) UpdateUserSecurityCredentials(id uuid.UUID, body types.UpdateUserSecurityCredentialsBody, user *types.User) error {
 	result := db.instance.Where("id = ?", id).First(user, id)