feat: user memberships (#537)

* feat: add search user memberships

* feat: add search user memberships

* feat: read user member ship

* feat: add usergrant search key

* feat: uesrmemberships based on permissions

* feat: merge master

* fix: correct permissions

* fix: update display name on change profile

* fix: merge request converations

* fix: err handling

* Update internal/user/model/user_membership_view.go

Co-authored-by: Silvan <silvan.reusser@gmail.com>

Co-authored-by: Silvan <silvan.reusser@gmail.com>

internal/user/model/user_membership_view.go

@@ -0,0 +1,88 @@
+package model
+
+import (
+	"time"
+
+	"github.com/caos/zitadel/internal/model"
+)
+
+type UserMembershipView struct {
+	UserID      string
+	MemberType  MemberType
+	AggregateID string
+	//ObjectID differs from aggregate id if obejct is sub of an aggregate
+	ObjectID string
+
+	Roles         []string
+	DisplayName   string
+	CreationDate  time.Time
+	ChangeDate    time.Time
+	ResourceOwner string
+	Sequence      uint64
+}
+
+type MemberType int32
+
+const (
+	MemberTypeUnspecified MemberType = iota
+	MemberTypeOrganisation
+	MemberTypeProject
+	MemberTypeProjectGrant
+)
+
+type UserMembershipSearchRequest struct {
+	Offset        uint64
+	Limit         uint64
+	SortingColumn UserMembershipSearchKey
+	Asc           bool
+	Queries       []*UserMembershipSearchQuery
+}
+
+type UserMembershipSearchKey int32
+
+const (
+	UserMembershipSearchKeyUnspecified UserMembershipSearchKey = iota
+	UserMembershipSearchKeyUserID
+	UserMembershipSearchKeyMemberType
+	UserMembershipSearchKeyAggregateID
+	UserMembershipSearchKeyObjectID
+	UserMembershipSearchKeyResourceOwner
+)
+
+type UserMembershipSearchQuery struct {
+	Key    UserMembershipSearchKey
+	Method model.SearchMethod
+	Value  interface{}
+}
+
+type UserMembershipSearchResponse struct {
+	Offset      uint64
+	Limit       uint64
+	TotalResult uint64
+	Result      []*UserMembershipView
+	Sequence    uint64
+	Timestamp   time.Time
+}
+
+func (r *UserMembershipSearchRequest) EnsureLimit(limit uint64) {
+	if r.Limit == 0 || r.Limit > limit {
+		r.Limit = limit
+	}
+}
+
+func (r *UserMembershipSearchRequest) GetSearchQuery(key UserMembershipSearchKey) (int, *UserMembershipSearchQuery) {
+	for i, q := range r.Queries {
+		if q.Key == key {
+			return i, q
+		}
+	}
+	return -1, nil
+}
+
+func (r *UserMembershipSearchRequest) AppendResourceOwnerQuery(orgID string) {
+	r.Queries = append(r.Queries, &UserMembershipSearchQuery{Key: UserMembershipSearchKeyResourceOwner, Method: model.SearchMethodEquals, Value: orgID})
+}
+
+func (r *UserMembershipSearchRequest) AppendUserIDQuery(userID string) {
+	r.Queries = append(r.Queries, &UserMembershipSearchQuery{Key: UserMembershipSearchKeyUserID, Method: model.SearchMethodEquals, Value: userID})
+}