[#243] object/delete: Implement new service processing

Signed-off-by: Leonard Lyubich <leonard@nspcc.ru>

pkg/services/object/delete/delete.go

@@ -0,0 +1,48 @@
+package deletesvc
+
+import (
+	"context"
+
+	"go.uber.org/zap"
+)
+
+// Delete serves requests to remote the objects.
+func (s *Service) Delete(ctx context.Context, prm Prm) error {
+	exec := &execCtx{
+		svc: s,
+		ctx: ctx,
+		prm: prm,
+	}
+
+	exec.setLogger(s.log)
+
+	exec.execute()
+
+	return exec.statusError.err
+}
+
+func (exec *execCtx) execute() {
+	exec.log.Debug("serving request...")
+
+	// perform local operation
+	exec.executeLocal()
+
+	exec.analyzeStatus(true)
+}
+
+func (exec *execCtx) analyzeStatus(execCnr bool) {
+	// analyze local result
+	switch exec.status {
+	case statusOK:
+		exec.log.Debug("operation finished successfully")
+	default:
+		exec.log.Debug("operation finished with error",
+			zap.String("error", exec.err.Error()),
+		)
+
+		if execCnr {
+			exec.executeOnContainer()
+			exec.analyzeStatus(false)
+		}
+	}
+}