feat: entities

internal/services/posttype.go

@@ -0,0 +1,61 @@
+package services
+
+import (
+	"app/internal/dal"
+	"app/internal/database"
+	"app/internal/models"
+	"errors"
+
+	"gorm.io/gen/field"
+	"gorm.io/gorm"
+)
+
+type PostTypeService struct {
+}
+type PostType = models.PostType
+
+func (service *PostTypeService) Create(item PostType) (PostType, error) {
+	ReplaceEmptySlicesWithNil(&item)
+	err := dal.PostType.Preload(field.Associations).Create(&item)
+	if err != nil {
+		return item, err
+	}
+	err = AppendAssociations(database.GetInstance(), &item)
+	return item, err
+}
+func (service *PostTypeService) GetAll() ([]*PostType, error) {
+	var posttypes []*PostType
+	posttypes, err := dal.PostType.Preload(field.Associations).Find()
+	return posttypes, err
+}
+func (service *PostTypeService) GetById(id uint) (*PostType, error) {
+	item, err := dal.PostType.Preload(field.Associations).Where(dal.PostType.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 *PostTypeService) Update(item PostType) (PostType, error) {
+	ReplaceEmptySlicesWithNil(&item)
+	err := dal.PostType.Preload(field.Associations).Save(&item)
+	if err != nil {
+		return item, err
+	}
+	err = UpdateAssociations(database.GetInstance(), &item)
+	if err != nil {
+		return item, err
+	}
+	return item, err
+}
+func (service *PostTypeService) Delete(id uint) error {
+	_, err := dal.PostType.Unscoped().Where(dal.PostType.Id.Eq(id)).Delete()
+	return err
+}
+func (service *PostTypeService) Count() (int64, error) {
+	amount, err := dal.PostType.Count()
+	return amount, err
+}