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path: root/synapse/storage/monthly_active_users.py
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from twisted.internet import defer

from ._base import SQLBaseStore


class MonthlyActiveUsersStore(SQLBaseStore):
    def __init__(self, hs):
        super(MonthlyActiveUsersStore, self).__init__(None, hs)
        self._clock = hs.get_clock()
        self.max_mau_value = hs.config.max_mau_value

    def reap_monthly_active_users(self):
        """
        Cleans out monthly active user table to ensure that no stale
        entries exist.
        Return:
            defered, no return type
        """
        def _reap_users(txn):
            thirty_days_ago = (
                int(self._clock.time_msec()) - (1000 * 60 * 60 * 24 * 30)
            )

            sql = "DELETE FROM monthly_active_users WHERE timestamp < ?"

            txn.execute(sql, (thirty_days_ago,))

        return self.runInteraction("reap_monthly_active_users", _reap_users)

    def get_monthly_active_count(self):
        """
            Generates current count of monthly active users.abs
            return:
                defered resolves to int
        """
        def _count_users(txn):
            sql = "SELECT COALESCE(count(*), 0) FROM monthly_active_users"

            txn.execute(sql)
            count, = txn.fetchone()
            return count
        return self.runInteraction("count_users", _count_users)

    def upsert_monthly_active_user(self, user_id):
        """
            Updates or inserts monthly active user member
            Arguments:
                user_id (str): user to add/update
        """
        return self._simple_upsert(
            desc="upsert_monthly_active_user",
            table="monthly_active_users",
            keyvalues={
                "user_id": user_id,
            },
            values={
                "timestamp": int(self._clock.time_msec()),
            },
            lock=False,
        )

    @defer.inlineCallbacks
    def is_user_monthly_active(self, user_id):
        """
            Checks if a given user is part of the monthly active user group
            Arguments:
                user_id (str): user to add/update
            Return:
                bool : True if user part of group, False otherwise
        """
        user_present = yield self._simple_select_onecol(
            table="monthly_active_users",
            keyvalues={
                "user_id": user_id,
            },
            retcol="user_id",
            desc="is_user_monthly_active",
        )

        defer.returnValue(bool(user_present))