feat: excel service

internal/services/excel.go

@@ -0,0 +1,56 @@
+package services
+
+import (
+	"app/internal/addons/excel"
+	"app/internal/dialogs"
+	"github.com/wailsapp/wails/v3/pkg/application"
+	"strconv"
+)
+
+type ExcelModule struct{}
+
+var ExcelService = application.NewService(&ExcelModule{})
+
+func ImportAllEntities() error {
+	postTypeService := PostTypeService{}
+	filepath, err := dialogs.OpenFileDialog("Импорт данных")
+	if err != nil {
+		return err
+	}
+	err = excel.ImportFromSpreadsheet(filepath, excel.Importer{
+		SheetName: "Тип поста",
+		Loader: func(rowIndex int, row []string) error {
+			id, err := strconv.Atoi(row[0])
+			if err != nil {
+				return err
+			}
+
+			_, err = postTypeService.Create(PostType{
+				Id:   uint(id),
+				Name: row[1],
+			})
+			if err != nil {
+				return err
+			}
+			return nil
+		},
+	})
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func ExportAllEntities() error {
+	postService := PostService{}
+	exporter := excel.Exporter[Post]{
+		SheetName: "Посты",
+		Entity:    Post{},
+		Provider:  postService.GetAll,
+	}
+	err := excel.ExportEntitiesToSpreadsheet("report.xlsx", exporter)
+	if err != nil {
+		return err
+	}
+	return nil
+}