feat: entities

internal/services/comment.go

@@ -0,0 +1,66 @@
+package services
+
+import (
+	"app/internal/dal"
+	"app/internal/database"
+	"app/internal/models"
+	"errors"
+
+	"gorm.io/gen/field"
+	"gorm.io/gorm"
+)
+
+type CommentService struct {
+}
+type Comment = models.Comment
+
+func (service *CommentService) Create(item Comment) (Comment, error) {
+	ReplaceEmptySlicesWithNil(&item)
+	err := dal.Comment.Preload(field.Associations).Create(&item)
+	if err != nil {
+		return item, err
+	}
+	err = AppendAssociations(database.GetInstance(), &item)
+	return item, err
+}
+
+func (service *CommentService) GetAll() ([]*Comment, error) {
+	var comments []*Comment
+	comments, err := dal.Comment.Preload(field.Associations).Find()
+	return comments, err
+}
+func (service *CommentService) GetById(id uint) (*Comment, error) {
+	item, err := dal.Comment.Preload(field.Associations).Where(dal.Comment.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 *CommentService) Update(item Comment) (Comment, error) {
+	ReplaceEmptySlicesWithNil(&item)
+	err := dal.Comment.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 *CommentService) Delete(id uint) error {
+	_, err := dal.Comment.Unscoped().Where(dal.Comment.Id.Eq(id)).Delete()
+	return err
+}
+
+func (service *CommentService) Count() (int64, error) {
+	amount, err := dal.Comment.Count()
+	return amount, err
+}