Initial commit

server/internal/utils/utils.go

@@ -0,0 +1,21 @@
+package utils
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+func ReadJSON[T any](filename string) ([]T, error) {
+	path := filepath.Join("assets", "master_data", filename)
+	data, err := os.ReadFile(path)
+	if err != nil {
+		return nil, fmt.Errorf("read %s: %w", path, err)
+	}
+	var out []T
+	if err := json.Unmarshal(data, &out); err != nil {
+		return nil, fmt.Errorf("unmarshal %s: %w", path, err)
+	}
+	return out, nil
+}