feat: new models, sorting fix

internal/services/task.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 TaskService struct {
+}
+type Task = models.Task
+
+func (service *TaskService) Create(item Task) (Task, error) {
+	utils.ReplaceEmptySlicesWithNil(&item)
+	err := dal.Task.Create(&item)
+	if err != nil {
+		return item, err
+	}
+	err = utils.AppendAssociations(database.GetInstance(), &item)
+	return item, err
+}
+func (service *TaskService) GetAll() ([]*Task, error) {
+	var tasks []*Task
+	tasks, err := dal.Task.Preload(field.Associations).Find()
+	return tasks, err
+}
+func (service *TaskService) GetById(id uint) (*Task, error) {
+	item, err := dal.Task.Preload(field.Associations).Where(dal.Task.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 *TaskService) Update(item Task) (Task, error) {
+	utils.ReplaceEmptySlicesWithNil(&item)
+	_, err := dal.Task.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 *TaskService) Delete(id uint) error {
+	_, err := dal.Task.Unscoped().Where(dal.Task.Id.Eq(id)).Delete()
+	return err
+}
+func (service *TaskService) Count() (int64, error) {
+	amount, err := dal.Task.Count()
+	return amount, err
+}
+func (service *TaskService) SortedByOrder(fieldsSortingOrder []utils.SortField) ([]*Task, error) {
+	return utils.SortByOrder(fieldsSortingOrder, Task{})
+}
+func (service *TaskService) SearchByAllTextFields(phrase string) ([]*Task, error) {
+	return utils.FindPhraseByStringFields[Task](phrase, Task{})
+}