feat: System api (#3461)

* feat: start system api

* feat: remove auth

* feat: change gitignore

* feat: run system api

* feat: remove clear view form admin api

* feat: search instances

* feat: add instance

* fix: set primary domain

* Update .gitignore

* fix: add instance

* fix: add instance

* fix: handle errors

* fix: handle instance name

* fix: test

Co-authored-by: Livio Amstutz <livio.a@gmail.com>

internal/api/grpc/system/view.go

@@ -0,0 +1,37 @@
+package system
+
+import (
+	"context"
+
+	"github.com/caos/zitadel/internal/query"
+	system_pb "github.com/caos/zitadel/pkg/grpc/system"
+)
+
+func (s *Server) ListViews(ctx context.Context, _ *system_pb.ListViewsRequest) (*system_pb.ListViewsResponse, error) {
+	currentSequences, err := s.query.SearchCurrentSequences(ctx, new(query.CurrentSequencesSearchQueries))
+	if err != nil {
+		return nil, err
+	}
+	convertedCurrentSequences := CurrentSequencesToPb(currentSequences)
+	views, err := s.administrator.GetViews()
+	if err != nil {
+		return nil, err
+	}
+	convertedViews := ViewsToPb(views)
+
+	convertedCurrentSequences = append(convertedCurrentSequences, convertedViews...)
+	return &system_pb.ListViewsResponse{Result: convertedCurrentSequences}, nil
+}
+
+func (s *Server) ClearView(ctx context.Context, req *system_pb.ClearViewRequest) (*system_pb.ClearViewResponse, error) {
+	var err error
+	if req.Database != "zitadel" {
+		err = s.administrator.ClearView(ctx, req.Database, req.ViewName)
+	} else {
+		err = s.query.ClearCurrentSequence(ctx, req.ViewName)
+	}
+	if err != nil {
+		return nil, err
+	}
+	return &system_pb.ClearViewResponse{}, nil
+}