feat: crudgen

internal/services/author.go

@@ -0,0 +1,45 @@
+package services
+
+import (
+	"app/internal/dal"
+	"app/internal/models"
+	"errors"
+	"gorm.io/gen/field"
+	"gorm.io/gorm"
+)
+
+type AuthorService struct{}
+type Author = models.Author
+
+func (service *AuthorService) Create(item Author) (Author, error) {
+	err := dal.Author.Preload(field.Associations).Create(&item)
+	return item, err
+}
+func (service *AuthorService) GetAll() ([]*Author, error) {
+	var authors []*Author
+	authors, err := dal.Author.Preload(field.Associations).Find()
+	return authors, err
+}
+func (service *AuthorService) GetById(id uint) (*Author, error) {
+	item, err := dal.Author.Preload(field.Associations).Where(dal.Author.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 *AuthorService) Update(item Author) (Author, error) {
+	err := dal.Author.Preload(field.Associations).Save(&item)
+	return item, err
+}
+func (service *AuthorService) Delete(item Author) (Author, error) {
+	_, err := dal.Author.Unscoped().Preload(field.Associations).Delete(&item)
+	return item, err
+}
+func (service *AuthorService) Count() (int64, error) {
+	amount, err := dal.Author.Count()
+	return amount, err
+}

internal/services/default_data.go

@@ -7,6 +7,7 @@ import (
 
 func InsertDefaultData() {
 	insertPosts()
+	insertAuthors()
 }
 
 func InsertDefaultEntityData[T any](service Service[T], entities []T) {
@@ -34,3 +35,12 @@ func insertPosts() {
 		},
 	})
 }
+
+func insertAuthors() {
+	InsertDefaultEntityData(&AuthorService{}, []Author{
+		{
+			Id:   1,
+			Name: "ИА Кузбасс",
+		},
+	})
+}

internal/services/post.go

@@ -15,13 +15,11 @@ func (service *PostService) Create(item Post) (Post, error) {
 	err := dal.Post.Preload(field.Associations).Create(&item)
 	return item, err
 }
-
 func (service *PostService) GetAll() ([]*Post, error) {
 	var posts []*Post
 	posts, err := dal.Post.Preload(field.Associations).Find()
 	return posts, err
 }
-
 func (service *PostService) GetById(id uint) (*Post, error) {
 	item, err := dal.Post.Preload(field.Associations).Where(dal.Post.Id.Eq(id)).First()
 	if err != nil {
@@ -31,20 +29,16 @@ func (service *PostService) GetById(id uint) (*Post, error) {
 			return nil, err
 		}
 	}
-
 	return item, nil
 }
-
 func (service *PostService) Update(item Post) (Post, error) {
 	err := dal.Post.Preload(field.Associations).Save(&item)
 	return item, err
 }
-
 func (service *PostService) Delete(item Post) (Post, error) {
 	_, err := dal.Post.Unscoped().Preload(field.Associations).Delete(&item)
 	return item, err
 }
-
 func (service *PostService) Count() (int64, error) {
 	amount, err := dal.Post.Count()
 	return amount, err

internal/services/services.go

@@ -4,4 +4,5 @@ import "github.com/wailsapp/wails/v3/pkg/application"
 
 var ExportedServices = []application.Service{
 	application.NewService(&PostService{}),
+	application.NewService(&AuthorService{}),
 }