feat: new models, sorting fix

internal/services/order.go

@@ -0,0 +1,69 @@
+package services
+
+import (
+	"app/internal/dal"
+	"app/internal/database"
+	"app/internal/models"
+	"app/internal/utils"
+	"errors"
+	"gorm.io/gen/field"
+	"gorm.io/gorm"
+)
+
+type OrderService struct {
+}
+type Order = models.Order
+
+func (service *OrderService) Create(item Order) (Order, error) {
+	utils.ReplaceEmptySlicesWithNil(&item)
+	err := dal.Order.Create(&item)
+	if err != nil {
+		return item, err
+	}
+	err = utils.AppendAssociations(database.GetInstance(), &item)
+	return item, err
+}
+func (service *OrderService) GetAll() ([]*Order, error) {
+	var orders []*Order
+	orders, err := dal.Order.Preload(field.Associations).Find()
+	return orders, err
+}
+func (service *OrderService) GetById(id uint) (*Order, error) {
+	item, err := dal.Order.Preload(field.Associations).Where(dal.Order.Id.Eq(id)).First()
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, nil
+		} else {
+			return nil, err
+		}
+	}
+	return item, nil
+}
+func (service *OrderService) Update(item Order) (Order, error) {
+	utils.ReplaceEmptySlicesWithNil(&item)
+	_, err := dal.Order.Updates(&item)
+	if err != nil {
+		return item, err
+	}
+	err = utils.UpdateAssociations(database.GetInstance(), &item)
+
+	if err != nil {
+		return item, err
+	}
+
+	return item, err
+}
+func (service *OrderService) Delete(id uint) error {
+	_, err := dal.Order.Unscoped().Where(dal.Order.Id.Eq(id)).Delete()
+	return err
+}
+func (service *OrderService) Count() (int64, error) {
+	amount, err := dal.Order.Count()
+	return amount, err
+}
+func (service *OrderService) SortedByOrder(fieldsSortingOrder []utils.SortField) ([]*Order, error) {
+	return utils.SortByOrder(fieldsSortingOrder, Order{})
+}
+func (service *OrderService) SearchByAllTextFields(phrase string) ([]*Order, error) {
+	return utils.FindPhraseByStringFields[Order](phrase, Order{})
+}