add catalog

internal/models/storage/storage_file/storage.go

@@ -2,17 +2,28 @@ package storage_file
 
 import (
 	"cake_crm/internal/models/storage"
+	crm "cake_crm/proto"
 	"context"
+	"encoding/json"
+	"os"
 )
 
-type storageFile struct {
-	filepath string
+type storageFile struct{}
+
+func NewStorageFile() storage.IStorage {
+	return &storageFile{}
 }
 
-func NewStorageFile(filepath string) storage.IStorage {
-	return &storageFile{
-		filepath: filepath,
+func (s *storageFile) GetCatalog(_ context.Context) ([]*crm.CatalogRsp_Category, error) {
+	data, err := os.ReadFile("resources/catalog.json")
+	if err != nil {
+		return nil, err
 	}
+	var res []*crm.CatalogRsp_Category
+	if err := json.Unmarshal(data, &res); err != nil {
+		return nil, err
+	}
+	return res, nil
 }
 
 func (s *storageFile) GetAllProducts(ctx context.Context) ([]storage.Product, error) {