[management] network map from nmap data type (#6919)

Signed-off-by: Dmitri Dolguikh <dmitri.external@netbird.io>
Co-authored-by: Dmitri Dolguikh <dmitri.external@netbird.io>

management/internals/network_map_db/pgsql/user.go

@@ -0,0 +1,60 @@
+package networkmap_pgsql
+
+import (
+	"context"
+
+	"github.com/jackc/pgx/v5"
+)
+
+const (
+	GetAllowedUserIdsQuery = `
+	select id, array (select json_array_elements_text(auto_groups::json)) as auto_groups
+	from users
+	where account_id=$1 and not blocked and not is_service_user
+	`
+
+	GetAllGroupIdQuery = `
+	select array_agg(id) from groups
+	where account_id=$1 and name='All'
+	`
+)
+
+func (pgc *PgStoreConn) GetAllowedUsers(ctx context.Context, accountId string) (map[string]struct{}, map[string][]string, error) {
+	rows, err := pgc.Conn.Query(ctx, GetAllowedUserIdsQuery, accountId)
+	if err != nil {
+		return nil, nil, err
+	}
+
+	users, err := pgx.CollectRows(rows, pgx.RowToStructByName[user])
+	if err != nil {
+		return nil, nil, err
+	}
+
+	rows, err = pgc.Conn.Query(ctx, GetAllGroupIdQuery, accountId)
+	if err != nil {
+		return nil, nil, err
+	}
+	allGroupIds, err := pgx.CollectOneRow(rows, pgx.RowTo[[]string])
+	if err != nil {
+		return nil, nil, err
+	}
+
+	userIdIdx := make(map[string]struct{})
+	groupIdToUserIds := make(map[string][]string)
+	for _, user := range users {
+		userIdIdx[user.ID] = struct{}{}
+		for _, groupId := range user.AutoGroups {
+			groupIdToUserIds[groupId] = append(groupIdToUserIds[groupId], user.ID)
+		}
+		for _, allgid := range allGroupIds {
+			groupIdToUserIds[allgid] = append(groupIdToUserIds[allgid], user.ID)
+		}
+	}
+
+	return userIdIdx, groupIdToUserIds, nil
+}
+
+type user struct {
+	ID         string
+	AutoGroups []string
+}