add positions

internal/app/server.go

@@ -24,3 +24,11 @@ func (s *Server) GetCatalog(ctx context.Context, _ *crm.GetCatalogReq) (*crm.Cat
 	}
 	return &crm.CatalogRsp{Categories: categories}, nil
 }
+
+func (s *Server) GetPositions(ctx context.Context, req *crm.GetPositionsReq) (*crm.PositionsRsp, error) {
+	products, err := s.storage.GetPositions(ctx, req.Id)
+	if err != nil {
+		return nil, err
+	}
+	return &crm.PositionsRsp{Products: products}, nil
+}