feat: api v2beta to api v2 (#8283)

# Which Problems Are Solved

The v2beta services are stable but not GA.

# How the Problems Are Solved

The v2beta services are copied to v2. The corresponding v1 and v2beta
services are deprecated.

# Additional Context

Closes #7236

---------

Co-authored-by: Elio Bischof <elio@zitadel.com>

internal/api/grpc/user/v2/idp_link.go

@@ -0,0 +1,94 @@
+package user
+
+import (
+	"context"
+
+	"github.com/zitadel/zitadel/internal/api/grpc/object/v2"
+	"github.com/zitadel/zitadel/internal/command"
+	"github.com/zitadel/zitadel/internal/domain"
+	"github.com/zitadel/zitadel/internal/eventstore/v1/models"
+	"github.com/zitadel/zitadel/internal/query"
+	"github.com/zitadel/zitadel/pkg/grpc/user/v2"
+)
+
+func (s *Server) AddIDPLink(ctx context.Context, req *user.AddIDPLinkRequest) (_ *user.AddIDPLinkResponse, err error) {
+	details, err := s.command.AddUserIDPLink(ctx, req.UserId, "", &command.AddLink{
+		IDPID:         req.GetIdpLink().GetIdpId(),
+		DisplayName:   req.GetIdpLink().GetUserName(),
+		IDPExternalID: req.GetIdpLink().GetUserId(),
+	})
+	if err != nil {
+		return nil, err
+	}
+	return &user.AddIDPLinkResponse{
+		Details: object.DomainToDetailsPb(details),
+	}, nil
+}
+
+func (s *Server) ListIDPLinks(ctx context.Context, req *user.ListIDPLinksRequest) (_ *user.ListIDPLinksResponse, err error) {
+	queries, err := ListLinkedIDPsRequestToQuery(req)
+	if err != nil {
+		return nil, err
+	}
+	res, err := s.query.IDPUserLinks(ctx, queries, false)
+	if err != nil {
+		return nil, err
+	}
+	res.RemoveNoPermission(ctx, s.checkPermission)
+	return &user.ListIDPLinksResponse{
+		Result:  IDPLinksToPb(res.Links),
+		Details: object.ToListDetails(res.SearchResponse),
+	}, nil
+}
+
+func ListLinkedIDPsRequestToQuery(req *user.ListIDPLinksRequest) (*query.IDPUserLinksSearchQuery, error) {
+	offset, limit, asc := object.ListQueryToQuery(req.Query)
+	userQuery, err := query.NewIDPUserLinksUserIDSearchQuery(req.UserId)
+	if err != nil {
+		return nil, err
+	}
+	return &query.IDPUserLinksSearchQuery{
+		SearchRequest: query.SearchRequest{
+			Offset: offset,
+			Limit:  limit,
+			Asc:    asc,
+		},
+		Queries: []query.SearchQuery{userQuery},
+	}, nil
+}
+
+func IDPLinksToPb(res []*query.IDPUserLink) []*user.IDPLink {
+	links := make([]*user.IDPLink, len(res))
+	for i, link := range res {
+		links[i] = IDPLinkToPb(link)
+	}
+	return links
+}
+
+func IDPLinkToPb(link *query.IDPUserLink) *user.IDPLink {
+	return &user.IDPLink{
+		IdpId:    link.IDPID,
+		UserId:   link.ProvidedUserID,
+		UserName: link.ProvidedUsername,
+	}
+}
+
+func (s *Server) RemoveIDPLink(ctx context.Context, req *user.RemoveIDPLinkRequest) (*user.RemoveIDPLinkResponse, error) {
+	objectDetails, err := s.command.RemoveUserIDPLink(ctx, RemoveIDPLinkRequestToDomain(ctx, req))
+	if err != nil {
+		return nil, err
+	}
+	return &user.RemoveIDPLinkResponse{
+		Details: object.DomainToDetailsPb(objectDetails),
+	}, nil
+}
+
+func RemoveIDPLinkRequestToDomain(ctx context.Context, req *user.RemoveIDPLinkRequest) *domain.UserIDPLink {
+	return &domain.UserIDPLink{
+		ObjectRoot: models.ObjectRoot{
+			AggregateID: req.UserId,
+		},
+		IDPConfigID:    req.IdpId,
+		ExternalUserID: req.LinkedUserId,
+	}
+}