Method GetUserNames

db/database.go:1082–1148

Returns the Names of all users

(ctx context.Context)

// Returns the Names of all users
func (db *DatabaseContext) GetUserNames(ctx context.Context) (users []string, err error) {
	dbUserPrefix := db.MetadataKeys.UserKeyPrefix()
	startKey := dbUserPrefix
	limit := db.Options.QueryPaginationLimit
	if limit == 0 {
		limit = DefaultQueryPaginationLimit
	}

	userRe, err := regexp.Compile(`^` + dbUserPrefix + `[^:]*$`)
	if err != nil {
		return nil, err
	}
	users = []string{}

outerLoop:
	for {
		results, err := db.QueryUsers(ctx, startKey, limit)
		if err != nil {
			return nil, err
		}

		var principalName string

		resultCount := 0

		for {
			// startKey is inclusive for views, so need to skip first result if using non-empty startKey, as this results in an overlapping result
			var skipAddition bool
			if resultCount == 0 && startKey != dbUserPrefix {
				skipAddition = true
			}

			var queryRow QueryUsersRow
			found := results.Next(ctx, &queryRow)
			if !found {
				break
			}

			if !strings.HasPrefix(queryRow.ID, dbUserPrefix) {
				break
			}

			principalName = queryRow.Name
			startKey = queryRow.ID
			resultCount++

			if !userRe.MatchString(queryRow.ID) {
				continue
			}

			if principalName != "" && !skipAddition {
				users = append(users, principalName)
			}
		}

		closeErr := results.Close()
		if closeErr != nil {
			return nil, closeErr