actor Functions

SELECT *
FROM actor.address_alert
WHERE
    active
    AND owner IN (SELECT id FROM actor.org_unit_ancestors($1))
    AND (
        (NOT mailing_address AND NOT billing_address)
        OR (mailing_address AND $9)
        OR (billing_address AND $10)
    )
    AND (
            (
                match_all
                AND COALESCE($2, '') ~* COALESCE(street1,   '.*')
                AND COALESCE($3, '') ~* COALESCE(street2,   '.*')
                AND COALESCE($4, '') ~* COALESCE(city,      '.*')
                AND COALESCE($5, '') ~* COALESCE(county,    '.*')
                AND COALESCE($6, '') ~* COALESCE(state,     '.*')
                AND COALESCE($7, '') ~* COALESCE(country,   '.*')
                AND COALESCE($8, '') ~* COALESCE(post_code, '.*')
            ) OR (
                NOT match_all
                AND (
                       $2 ~* street1
                    OR $3 ~* street2
                    OR $4 ~* city
                    OR $5 ~* county
                    OR $6 ~* state
                    OR $7 ~* country
                    OR $8 ~* post_code
                )
            )
        )
    ORDER BY actor.org_unit_proximity(owner, $1)

DECLARE
    old_id INT;
BEGIN
    SELECT INTO old_id replaces FROM actor.usr_address where id = pending_id;
    IF old_id IS NULL THEN
        UPDATE actor.usr_address SET pending = 'f' WHERE id = pending_id;
        RETURN pending_id;
    END IF;
    -- address replaces an existing address
    DELETE FROM actor.usr_address WHERE id = -old_id;
    UPDATE actor.usr_address SET id = -id WHERE id = old_id;
    UPDATE actor.usr_address SET replaces = NULL, id = old_id, pending = 'f' WHERE id = pending_id;
    RETURN old_id;
END

BEGIN
    NEW.last_update_time := now();
	RETURN NEW;
END;

DECLARE
    user_object         actor.usr%ROWTYPE;
    new_sp_row          actor.usr_standing_penalty%ROWTYPE;
    existing_sp_row     actor.usr_standing_penalty%ROWTYPE;
    collections_fines   permission.grp_penalty_threshold%ROWTYPE;
    max_fines           permission.grp_penalty_threshold%ROWTYPE;
    max_overdue         permission.grp_penalty_threshold%ROWTYPE;
    max_items_out       permission.grp_penalty_threshold%ROWTYPE;
    max_lost            permission.grp_penalty_threshold%ROWTYPE;
    max_longoverdue     permission.grp_penalty_threshold%ROWTYPE;
    penalty_id          INT;
    tmp_grp             INT;
    items_overdue       INT;
    items_out           INT;
    items_lost          INT;
    items_longoverdue   INT;
    context_org_list    INT[];
    current_fines        NUMERIC(8,2) := 0.0;
    tmp_fines            NUMERIC(8,2);
    tmp_groc            RECORD;
    tmp_circ            RECORD;
    tmp_org             actor.org_unit%ROWTYPE;
    tmp_penalty         config.standing_penalty%ROWTYPE;
    tmp_depth           INTEGER;
BEGIN
    SELECT INTO user_object * FROM actor.usr WHERE id = match_user;

    -- Max fines
    SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
    SELECT BTRIM(value,'"')::INT INTO penalty_id FROM actor.org_unit_ancestor_setting('circ.custom_penalty_override.PATRON_EXCEEDS_FINES', context_org);
    IF NOT FOUND THEN penalty_id := 1; END IF;

    -- Fail if the user has a high fine balance
    LOOP
        tmp_grp := user_object.profile;
        LOOP
            SELECT * INTO max_fines FROM permission.grp_penalty_threshold WHERE grp = tmp_grp AND penalty = penalty_id AND org_unit = tmp_org.id;

            IF max_fines.threshold IS NULL THEN
                SELECT parent INTO tmp_grp FROM permission.grp_tree WHERE id = tmp_grp;
            ELSE
                EXIT;
            END IF;

            IF tmp_grp IS NULL THEN
                EXIT;
            END IF;
        END LOOP;

        IF max_fines.threshold IS NOT NULL OR tmp_org.parent_ou IS NULL THEN
            EXIT;
        END IF;

        SELECT * INTO tmp_org FROM actor.org_unit WHERE id = tmp_org.parent_ou;

    END LOOP;

    IF max_fines.threshold IS NOT NULL THEN
        -- The IN clause in all of the RETURN QUERY calls is used to surface now-stale non-custom penalties
        -- so that the calling code can clear them at the boundary where custom penalties are configured.
        -- Otherwise we would see orphaned "stock" system penalties that would never go away on their own.
        RETURN QUERY
            SELECT  *
              FROM  actor.usr_standing_penalty
              WHERE usr = match_user
                    AND org_unit = max_fines.org_unit
                    AND (stop_date IS NULL or stop_date > NOW())
                    AND standing_penalty IN (1, penalty_id);

        SELECT INTO context_org_list ARRAY_AGG(id) FROM actor.org_unit_full_path( max_fines.org_unit );

        SELECT  SUM(f.balance_owed) INTO current_fines
          FROM  money.materialized_billable_xact_summary f
                JOIN (
                    SELECT  r.id
                      FROM  booking.reservation r
                      WHERE r.usr = match_user
                            AND r.pickup_lib IN (SELECT * FROM unnest(context_org_list))
                            AND xact_finish IS NULL
                                UNION ALL
                    SELECT  g.id
                      FROM  money.grocery g
                      WHERE g.usr = match_user
                            AND g.billing_location IN (SELECT * FROM unnest(context_org_list))
                            AND xact_finish IS NULL
                                UNION ALL
                    SELECT  circ.id
                      FROM  action.circulation circ
                      WHERE circ.usr = match_user
                            AND circ.circ_lib IN (SELECT * FROM unnest(context_org_list))
                            AND xact_finish IS NULL ) l USING (id);

        IF current_fines >= max_fines.threshold THEN
            new_sp_row.usr := match_user;
            new_sp_row.org_unit := max_fines.org_unit;
            new_sp_row.standing_penalty := penalty_id;
            RETURN NEXT new_sp_row;
        END IF;
    END IF;

    -- Start over for max overdue
    SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
    SELECT BTRIM(value,'"')::INT INTO penalty_id FROM actor.org_unit_ancestor_setting('circ.custom_penalty_override.PATRON_EXCEEDS_OVERDUE_COUNT', context_org);
    IF NOT FOUND THEN penalty_id := 2; END IF;

    -- Fail if the user has too many overdue items
    LOOP
        tmp_grp := user_object.profile;
        LOOP

            SELECT * INTO max_overdue FROM permission.grp_penalty_threshold WHERE grp = tmp_grp AND penalty = penalty_id AND org_unit = tmp_org.id;

            IF max_overdue.threshold IS NULL THEN
                SELECT parent INTO tmp_grp FROM permission.grp_tree WHERE id = tmp_grp;
            ELSE
                EXIT;
            END IF;

            IF tmp_grp IS NULL THEN
                EXIT;
            END IF;
        END LOOP;

        IF max_overdue.threshold IS NOT NULL OR tmp_org.parent_ou IS NULL THEN
            EXIT;
        END IF;

        SELECT INTO tmp_org * FROM actor.org_unit WHERE id = tmp_org.parent_ou;

    END LOOP;

    IF max_overdue.threshold IS NOT NULL THEN

        RETURN QUERY
            SELECT  *
              FROM  actor.usr_standing_penalty
              WHERE usr = match_user
                    AND org_unit = max_overdue.org_unit
                    AND (stop_date IS NULL or stop_date > NOW())
                    AND standing_penalty IN (2, penalty_id);

        SELECT  INTO items_overdue COUNT(*)
          FROM  action.circulation circ
                JOIN  actor.org_unit_full_path( max_overdue.org_unit ) fp ON (circ.circ_lib = fp.id)
          WHERE circ.usr = match_user
            AND circ.checkin_time IS NULL
            AND circ.due_date < NOW()
            AND (circ.stop_fines = 'MAXFINES' OR circ.stop_fines IS NULL);

        IF items_overdue >= max_overdue.threshold::INT THEN
            new_sp_row.usr := match_user;
            new_sp_row.org_unit := max_overdue.org_unit;
            new_sp_row.standing_penalty := penalty_id;
            RETURN NEXT new_sp_row;
        END IF;
    END IF;

    -- Start over for max out
    SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
    SELECT BTRIM(value,'"')::INT INTO penalty_id FROM actor.org_unit_ancestor_setting('circ.custom_penalty_override.PATRON_EXCEEDS_CHECKOUT_COUNT', context_org);
    IF NOT FOUND THEN penalty_id := 3; END IF;

    -- Fail if the user has too many checked out items
    LOOP
        tmp_grp := user_object.profile;
        LOOP
            SELECT * INTO max_items_out FROM permission.grp_penalty_threshold WHERE grp = tmp_grp AND penalty = penalty_id AND org_unit = tmp_org.id;

            IF max_items_out.threshold IS NULL THEN
                SELECT parent INTO tmp_grp FROM permission.grp_tree WHERE id = tmp_grp;
            ELSE
                EXIT;
            END IF;

            IF tmp_grp IS NULL THEN
                EXIT;
            END IF;
        END LOOP;

        IF max_items_out.threshold IS NOT NULL OR tmp_org.parent_ou IS NULL THEN
            EXIT;
        END IF;

        SELECT INTO tmp_org * FROM actor.org_unit WHERE id = tmp_org.parent_ou;

    END LOOP;


    -- Fail if the user has too many items checked out
    IF max_items_out.threshold IS NOT NULL THEN

        RETURN QUERY
            SELECT  *
              FROM  actor.usr_standing_penalty
              WHERE usr = match_user
                    AND org_unit = max_items_out.org_unit
                    AND (stop_date IS NULL or stop_date > NOW())
                    AND standing_penalty IN (3, penalty_id);

        SELECT  INTO items_out COUNT(*)
          FROM  action.circulation circ
                JOIN  actor.org_unit_full_path( max_items_out.org_unit ) fp ON (circ.circ_lib = fp.id)
          WHERE circ.usr = match_user
                AND circ.checkin_time IS NULL
                AND (circ.stop_fines IN (
                    SELECT 'MAXFINES'::TEXT
                    UNION ALL
                    SELECT 'LONGOVERDUE'::TEXT
                    UNION ALL
                    SELECT 'LOST'::TEXT
                    WHERE 'true' ILIKE
                    (
                        SELECT CASE
                            WHEN (SELECT value FROM actor.org_unit_ancestor_setting('circ.tally_lost', circ.circ_lib)) ILIKE 'true' THEN 'true'
                            ELSE 'false'
                        END
                    )
                    UNION ALL
                    SELECT 'CLAIMSRETURNED'::TEXT
                    WHERE 'false' ILIKE
                    (
                        SELECT CASE
                            WHEN (SELECT value FROM actor.org_unit_ancestor_setting('circ.do_not_tally_claims_returned', circ.circ_lib)) ILIKE 'true' THEN 'true'
                            ELSE 'false'
                        END
                    )
                    ) OR circ.stop_fines IS NULL)
                AND xact_finish IS NULL;

           IF items_out >= max_items_out.threshold::INT THEN
            new_sp_row.usr := match_user;
            new_sp_row.org_unit := max_items_out.org_unit;
            new_sp_row.standing_penalty := penalty_id;
            RETURN NEXT new_sp_row;
           END IF;
    END IF;

    -- Start over for max lost
    SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
    SELECT BTRIM(value,'"')::INT INTO penalty_id FROM actor.org_unit_ancestor_setting('circ.custom_penalty_override.PATRON_EXCEEDS_LOST_COUNT', context_org);
    IF NOT FOUND THEN penalty_id := 5; END IF;

    -- Fail if the user has too many lost items
    LOOP
        tmp_grp := user_object.profile;
        LOOP

            SELECT * INTO max_lost FROM permission.grp_penalty_threshold WHERE grp = tmp_grp AND penalty = penalty_id AND org_unit = tmp_org.id;

            IF max_lost.threshold IS NULL THEN
                SELECT parent INTO tmp_grp FROM permission.grp_tree WHERE id = tmp_grp;
            ELSE
                EXIT;
            END IF;

            IF tmp_grp IS NULL THEN
                EXIT;
            END IF;
        END LOOP;

        IF max_lost.threshold IS NOT NULL OR tmp_org.parent_ou IS NULL THEN
            EXIT;
        END IF;

        SELECT INTO tmp_org * FROM actor.org_unit WHERE id = tmp_org.parent_ou;

    END LOOP;

    IF max_lost.threshold IS NOT NULL THEN

        RETURN QUERY
            SELECT  *
            FROM  actor.usr_standing_penalty
            WHERE usr = match_user
                AND org_unit = max_lost.org_unit
                AND (stop_date IS NULL or stop_date > NOW())
                AND standing_penalty IN (5, penalty_id);

        SELECT  INTO items_lost COUNT(*)
        FROM  action.circulation circ
            JOIN  actor.org_unit_full_path( max_lost.org_unit ) fp ON (circ.circ_lib = fp.id)
        WHERE circ.usr = match_user
            AND circ.checkin_time IS NULL
            AND (circ.stop_fines = 'LOST')
            AND xact_finish IS NULL;

        IF items_lost >= max_lost.threshold::INT AND 0 < max_lost.threshold::INT THEN
            new_sp_row.usr := match_user;
            new_sp_row.org_unit := max_lost.org_unit;
            new_sp_row.standing_penalty := penalty_id;
            RETURN NEXT new_sp_row;
        END IF;
    END IF;

    -- Start over for max longoverdue
    SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
    SELECT BTRIM(value,'"')::INT INTO penalty_id FROM actor.org_unit_ancestor_setting('circ.custom_penalty_override.PATRON_EXCEEDS_LONGOVERDUE_COUNT', context_org);
    IF NOT FOUND THEN penalty_id := 35; END IF;

    -- Fail if the user has too many longoverdue items
    LOOP
        tmp_grp := user_object.profile;
        LOOP

            SELECT * INTO max_longoverdue
                FROM permission.grp_penalty_threshold
                WHERE grp = tmp_grp AND
                    penalty = penalty_id AND
                    org_unit = tmp_org.id;

            IF max_longoverdue.threshold IS NULL THEN
                SELECT parent INTO tmp_grp
                    FROM permission.grp_tree WHERE id = tmp_grp;
            ELSE
                EXIT;
            END IF;

            IF tmp_grp IS NULL THEN
                EXIT;
            END IF;
        END LOOP;

        IF max_longoverdue.threshold IS NOT NULL
                OR tmp_org.parent_ou IS NULL THEN
            EXIT;
        END IF;

        SELECT INTO tmp_org * FROM actor.org_unit WHERE id = tmp_org.parent_ou;

    END LOOP;

    IF max_longoverdue.threshold IS NOT NULL THEN

        RETURN QUERY
            SELECT  *
            FROM  actor.usr_standing_penalty
            WHERE usr = match_user
                AND org_unit = max_longoverdue.org_unit
                AND (stop_date IS NULL or stop_date > NOW())
                AND standing_penalty IN (35, penalty_id);

        SELECT INTO items_longoverdue COUNT(*)
        FROM action.circulation circ
            JOIN actor.org_unit_full_path( max_longoverdue.org_unit ) fp
                ON (circ.circ_lib = fp.id)
        WHERE circ.usr = match_user
            AND circ.checkin_time IS NULL
            AND (circ.stop_fines = 'LONGOVERDUE')
            AND xact_finish IS NULL;

        IF items_longoverdue >= max_longoverdue.threshold::INT
                AND 0 < max_longoverdue.threshold::INT THEN
            new_sp_row.usr := match_user;
            new_sp_row.org_unit := max_longoverdue.org_unit;
            new_sp_row.standing_penalty := penalty_id;
            RETURN NEXT new_sp_row;
        END IF;
    END IF;


    -- Start over for collections warning
    SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
    SELECT BTRIM(value,'"')::INT INTO penalty_id FROM actor.org_unit_ancestor_setting('circ.custom_penalty_override.PATRON_EXCEEDS_COLLECTIONS_WARNING', context_org);
    IF NOT FOUND THEN penalty_id := 4; END IF;

    -- Fail if the user has a collections-level fine balance
    LOOP
        tmp_grp := user_object.profile;
        LOOP
            SELECT * INTO max_fines FROM permission.grp_penalty_threshold WHERE grp = tmp_grp AND penalty = penalty_id AND org_unit = tmp_org.id;

            IF max_fines.threshold IS NULL THEN
                SELECT parent INTO tmp_grp FROM permission.grp_tree WHERE id = tmp_grp;
            ELSE
                EXIT;
            END IF;

            IF tmp_grp IS NULL THEN
                EXIT;
            END IF;
        END LOOP;

        IF max_fines.threshold IS NOT NULL OR tmp_org.parent_ou IS NULL THEN
            EXIT;
        END IF;

        SELECT * INTO tmp_org FROM actor.org_unit WHERE id = tmp_org.parent_ou;

    END LOOP;

    IF max_fines.threshold IS NOT NULL THEN

        RETURN QUERY
            SELECT  *
              FROM  actor.usr_standing_penalty
              WHERE usr = match_user
                    AND org_unit = max_fines.org_unit
                    AND (stop_date IS NULL or stop_date > NOW())
                    AND standing_penalty IN (4, penalty_id);

        SELECT INTO context_org_list ARRAY_AGG(id) FROM actor.org_unit_full_path( max_fines.org_unit );

        SELECT  SUM(f.balance_owed) INTO current_fines
          FROM  money.materialized_billable_xact_summary f
                JOIN (
                    SELECT  r.id
                      FROM  booking.reservation r
                      WHERE r.usr = match_user
                            AND r.pickup_lib IN (SELECT * FROM unnest(context_org_list))
                            AND r.xact_finish IS NULL
                                UNION ALL
                    SELECT  g.id
                      FROM  money.grocery g
                      WHERE g.usr = match_user
                            AND g.billing_location IN (SELECT * FROM unnest(context_org_list))
                            AND g.xact_finish IS NULL
                                UNION ALL
                    SELECT  circ.id
                      FROM  action.circulation circ
                      WHERE circ.usr = match_user
                            AND circ.circ_lib IN (SELECT * FROM unnest(context_org_list))
                            AND circ.xact_finish IS NULL ) l USING (id);

        IF current_fines >= max_fines.threshold THEN
            new_sp_row.usr := match_user;
            new_sp_row.org_unit := max_fines.org_unit;
            new_sp_row.standing_penalty := penalty_id;
            RETURN NEXT new_sp_row;
        END IF;
    END IF;

    -- Start over for in collections
    SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
    SELECT BTRIM(value,'"')::INT INTO penalty_id FROM actor.org_unit_ancestor_setting('circ.custom_penalty_override.PATRON_IN_COLLECTIONS', context_org);
    IF NOT FOUND THEN penalty_id := 30; END IF;

    -- Remove the in-collections penalty if the user has paid down enough
    -- This penalty is different, because this code is not responsible for creating
    -- new in-collections penalties, only for removing them
    LOOP
        tmp_grp := user_object.profile;
        LOOP
            SELECT * INTO max_fines FROM permission.grp_penalty_threshold WHERE grp = tmp_grp AND penalty = penalty_id AND org_unit = tmp_org.id;

            IF max_fines.threshold IS NULL THEN
                SELECT parent INTO tmp_grp FROM permission.grp_tree WHERE id = tmp_grp;
            ELSE
                EXIT;
            END IF;

            IF tmp_grp IS NULL THEN
                EXIT;
            END IF;
        END LOOP;

        IF max_fines.threshold IS NOT NULL OR tmp_org.parent_ou IS NULL THEN
            EXIT;
        END IF;

        SELECT * INTO tmp_org FROM actor.org_unit WHERE id = tmp_org.parent_ou;

    END LOOP;

    IF max_fines.threshold IS NOT NULL THEN

        SELECT INTO context_org_list ARRAY_AGG(id) FROM actor.org_unit_full_path( max_fines.org_unit );

        -- first, see if the user had paid down to the threshold
        SELECT  SUM(f.balance_owed) INTO current_fines
          FROM  money.materialized_billable_xact_summary f
                JOIN (
                    SELECT  r.id
                      FROM  booking.reservation r
                      WHERE r.usr = match_user
                            AND r.pickup_lib IN (SELECT * FROM unnest(context_org_list))
                            AND r.xact_finish IS NULL
                                UNION ALL
                    SELECT  g.id
                      FROM  money.grocery g
                      WHERE g.usr = match_user
                            AND g.billing_location IN (SELECT * FROM unnest(context_org_list))
                            AND g.xact_finish IS NULL
                                UNION ALL
                    SELECT  circ.id
                      FROM  action.circulation circ
                      WHERE circ.usr = match_user
                            AND circ.circ_lib IN (SELECT * FROM unnest(context_org_list))
                            AND circ.xact_finish IS NULL ) l USING (id);

        IF current_fines IS NULL OR current_fines <= max_fines.threshold THEN
            -- patron has paid down enough

            SELECT INTO tmp_penalty * FROM config.standing_penalty WHERE id = penalty_id;

            IF tmp_penalty.org_depth IS NOT NULL THEN

                -- since this code is not responsible for applying the penalty, it can't
                -- guarantee the current context org will match the org at which the penalty
                --- was applied.  search up the org tree until we hit the configured penalty depth
                SELECT INTO tmp_org * FROM actor.org_unit WHERE id = context_org;
                SELECT INTO tmp_depth depth FROM actor.org_unit_type WHERE id = tmp_org.ou_type;

                WHILE tmp_depth >= tmp_penalty.org_depth LOOP

                    RETURN QUERY
                        SELECT  *
                          FROM  actor.usr_standing_penalty
                          WHERE usr = match_user
                                AND org_unit = tmp_org.id
                                AND (stop_date IS NULL or stop_date > NOW())
                                AND standing_penalty IN (30, penalty_id);

                    IF tmp_org.parent_ou IS NULL THEN
                        EXIT;
                    END IF;

                    SELECT * INTO tmp_org FROM actor.org_unit WHERE id = tmp_org.parent_ou;
                    SELECT INTO tmp_depth depth FROM actor.org_unit_type WHERE id = tmp_org.ou_type;
                END LOOP;

            ELSE

                -- no penalty depth is defined, look for exact matches

                RETURN QUERY
                    SELECT  *
                      FROM  actor.usr_standing_penalty
                      WHERE usr = match_user
                            AND org_unit = max_fines.org_unit
                            AND (stop_date IS NULL or stop_date > NOW())
                            AND standing_penalty IN (30, penalty_id);
            END IF;

        END IF;

    END IF;

    RETURN;
END;

DECLARE
    new_salt TEXT;
BEGIN
    SELECT actor.create_salt(pw_type) INTO new_salt;

    IF pw_type = 'main' THEN
        -- Only 'main' passwords are required to have
        -- the extra layer of MD5 hashing.
        PERFORM actor.set_passwd(
            user_id, pw_type, md5(new_salt || md5(new_pw)), new_salt
        );

    ELSE
        PERFORM actor.set_passwd(user_id, pw_type, new_pw, new_salt);
    END IF;
END;

DECLARE
    type_row actor.passwd_type%ROWTYPE;
BEGIN
    /* Returns a new salt based on the passwd_type encryption settings.
     * Returns NULL If the password type is not crypt()'ed.
     */

    SELECT INTO type_row * FROM actor.passwd_type WHERE code = pw_type;

    IF NOT FOUND THEN
        RAISE EXCEPTION 'No such password type: %', pw_type;
    END IF;

    IF type_row.iter_count IS NULL THEN
        -- This password type is unsalted.  That's OK.
        RETURN NULL;
    END IF;

    RETURN gen_salt(type_row.crypt_algo, type_row.iter_count);
END;

	BEGIN
		NEW.passwd = MD5( NEW.passwd );
		RETURN NEW;
	END;

	BEGIN
		IF NEW.passwd <> OLD.passwd THEN
			NEW.passwd = MD5( NEW.passwd );
		END IF;
		RETURN NEW;
	END;

	SELECT NEXTVAL($3); -- bump the sequence up 1
	SELECT CASE
		WHEN LENGTH(CURRVAL($3)::TEXT) > $2 THEN NULL
		ELSE $1 || LPAD(CURRVAL($3)::TEXT, $2, '0')
		END;

DECLARE
    setting_value JSON;
    summary actor.cascade_setting_summary;
    org_setting_type config.org_unit_setting_type%ROWTYPE;
BEGIN

    summary.name := setting_name;

    -- Collect the org setting type status first in case we exit early.
    -- The existance of an org setting type is not considered
    -- privileged information.
    SELECT INTO org_setting_type *
        FROM config.org_unit_setting_type WHERE name = setting_name;
    IF FOUND THEN
        summary.has_org_setting := TRUE;
    ELSE
        summary.has_org_setting := FALSE;
    END IF;

    -- User and workstation settings have the same priority.
    -- Start with user settings since that's the simplest code path.
    -- The workstation_id is ignored if no user_id is provided.
    IF user_id IS NOT NULL THEN

        SELECT INTO summary.value value FROM actor.usr_setting
            WHERE usr = user_id AND name = setting_name;

        IF FOUND THEN
            -- if we have a value, we have a setting type
            summary.has_user_setting := TRUE;

            IF workstation_id IS NOT NULL THEN
                -- Only inform the caller about the workstation
                -- setting type disposition when a workstation id is
                -- provided.  Otherwise, it's NULL to indicate UNKNOWN.
                summary.has_workstation_setting := FALSE;
            END IF;

            RETURN summary;
        END IF;

        -- no user setting value, but a setting type may exist
        SELECT INTO summary.has_user_setting EXISTS (
            SELECT TRUE FROM config.usr_setting_type
            WHERE name = setting_name
        );

        IF workstation_id IS NOT NULL THEN

            IF NOT summary.has_user_setting THEN
                -- A workstation setting type may only exist when a user
                -- setting type does not.

                SELECT INTO summary.value value
                    FROM actor.workstation_setting
                    WHERE workstation = workstation_id AND name = setting_name;

                IF FOUND THEN
                    -- if we have a value, we have a setting type
                    summary.has_workstation_setting := TRUE;
                    RETURN summary;
                END IF;

                -- no value, but a setting type may exist
                SELECT INTO summary.has_workstation_setting EXISTS (
                    SELECT TRUE FROM config.workstation_setting_type
                    WHERE name = setting_name
                );
            END IF;

            -- Finally make use of the workstation to determine the org
            -- unit if none is provided.
            IF org_id IS NULL AND summary.has_org_setting THEN
                SELECT INTO org_id owning_lib
                    FROM actor.workstation WHERE id = workstation_id;
            END IF;
        END IF;
    END IF;

    -- Some org unit settings are protected by a view permission.
    -- First see if we have any data that needs protecting, then
    -- check the permission if needed.

    IF NOT summary.has_org_setting THEN
        RETURN summary;
    END IF;

    -- avoid putting the value into the summary until we confirm
    -- the value should be visible to the caller.
    SELECT INTO setting_value value
        FROM actor.org_unit_ancestor_setting(setting_name, org_id);

    IF NOT FOUND THEN
        -- No value found -- perm check is irrelevant.
        RETURN summary;
    END IF;

    IF org_setting_type.view_perm IS NOT NULL THEN

        IF user_id IS NULL THEN
            RAISE NOTICE 'Perm check required but no user_id provided';
            RETURN summary;
        END IF;

        IF NOT permission.usr_has_perm(
            user_id, (SELECT code FROM permission.perm_list
                WHERE id = org_setting_type.view_perm), org_id)
        THEN
            RAISE NOTICE 'Perm check failed for user % on %',
                user_id, org_setting_type.view_perm;
            RETURN summary;
        END IF;
    END IF;

    -- Perm check succeeded or was not necessary.
    summary.value := setting_value;
    RETURN summary;
END;

-- Returns a row per setting matching the setting name order.  If no
-- value is applied, NULL is returned to retain name-response ordering.
DECLARE
    setting_name TEXT;
    summary actor.cascade_setting_summary;
BEGIN
    FOREACH setting_name IN ARRAY setting_names LOOP
        SELECT INTO summary * FROM actor.get_cascade_setting(
            setting_Name, org_id, user_id, workstation_id);
        RETURN NEXT summary;
    END LOOP;
END;

DECLARE
    pw_salt TEXT;
    type_row actor.passwd_type%ROWTYPE;
BEGIN
    /* Returns the salt for the requested user + type.  If the password
     * type of "main" is requested and no password exists in actor.passwd,
     * the user's existing password is migrated and the new salt is returned.
     * Returns NULL if the password type is not crypt'ed (iter_count is NULL).
     */

    SELECT INTO pw_salt salt FROM actor.passwd
        WHERE usr = pw_usr AND passwd_type = pw_type;

    IF FOUND THEN
        RETURN pw_salt;
    END IF;

    IF pw_type = 'main' THEN
        -- Main password has not yet been migrated.
        -- Do it now and return the newly created salt.
        RETURN actor.migrate_passwd(pw_usr);
    END IF;

    -- We have no salt to return.  actor.create_salt() needed.
    RETURN NULL;
END;

DECLARE
    new_row actor.usr_activity%ROWTYPE;
BEGIN
    SELECT id INTO new_row.etype FROM actor.usr_activity_get_type(ewho, ewhat, ehow);
    IF FOUND THEN
        new_row.usr := usr;
        new_row.event_data := edata;
        INSERT INTO actor.usr_activity (usr, etype, event_data)
            VALUES (usr, new_row.etype, new_row.event_data)
            RETURNING * INTO new_row;
        RETURN NEXT new_row;
    END IF;
END;

DECLARE
    pw_salt TEXT;
    usr_row actor.usr%ROWTYPE;
BEGIN
    /* Migrates legacy actor.usr.passwd value to actor.passwd with
     * a password type 'main' and returns the new salt.  For backwards
     * compatibility with existing CHAP-style API's, we perform a
     * layer of intermediate MD5(MD5()) hashing.  This is intermediate
     * hashing is not required of other passwords.
     */

    -- Avoid calling get_salt() here, because it may result in a
    -- migrate_passwd() call, creating a loop.
    SELECT INTO pw_salt salt FROM actor.passwd
        WHERE usr = pw_usr AND passwd_type = 'main';

    -- Only migrate passwords that have not already been migrated.
    IF FOUND THEN
        RETURN pw_salt;
    END IF;

    SELECT INTO usr_row * FROM actor.usr WHERE id = pw_usr;

    pw_salt := actor.create_salt('main');

    PERFORM actor.set_passwd(
        pw_usr, 'main', MD5(pw_salt || usr_row.passwd), pw_salt);

    -- clear the existing password
    UPDATE actor.usr SET passwd = '' WHERE id = usr_row.id;

    RETURN pw_salt;
END;

	SELECT	a.*
	  FROM	actor.org_unit a
	  WHERE	id = ( SELECT FIRST(x.id)
	  		 FROM	actor.org_unit_ancestors($1) x
			   	JOIN actor.org_unit_type y
					ON x.ou_type = y.id AND y.depth = $2);

DECLARE
    setting RECORD;
    cur_org INT;
BEGIN
    cur_org := org_id;
    LOOP
        SELECT INTO setting * FROM actor.org_unit_setting WHERE org_unit = cur_org AND name = setting_name;
        IF FOUND THEN
            RETURN NEXT setting;
            EXIT;
        END IF;
        SELECT INTO cur_org parent_ou FROM actor.org_unit WHERE id = cur_org;
        EXIT WHEN cur_org IS NULL;
    END LOOP;
    RETURN;
END;

DECLARE
    setting RECORD;
    setting_name TEXT;
    cur_org INT;
BEGIN
    FOREACH setting_name IN ARRAY setting_names
    LOOP
        cur_org := org_id;
        LOOP
            SELECT INTO setting * FROM actor.org_unit_setting WHERE org_unit = cur_org AND name = setting_name;
            IF FOUND THEN
                RETURN NEXT setting;
                EXIT;
            END IF;
            SELECT INTO cur_org parent_ou FROM actor.org_unit WHERE id = cur_org;
            EXIT WHEN cur_org IS NULL;
        END LOOP;
    END LOOP;
    RETURN;
END;

DECLARE
    setting RECORD;
    org_id INTEGER;
BEGIN
    /*  Returns one actor.org_unit_setting row per org unit ID provided.
        When no setting exists for a given org unit, the setting row
        will contain all empty values. */
    FOREACH org_id IN ARRAY org_ids LOOP
        SELECT INTO setting * FROM
            actor.org_unit_ancestor_setting(setting_name, org_id);
        RETURN NEXT setting;
    END LOOP;
    RETURN;
END;

    WITH RECURSIVE org_unit_ancestors_distance(id, distance) AS (
            SELECT $1, 0
        UNION
            SELECT ou.parent_ou, ouad.distance+1
            FROM actor.org_unit ou JOIN org_unit_ancestors_distance ouad ON (ou.id = ouad.id)
            WHERE ou.parent_ou IS NOT NULL
    )
    SELECT ou.* FROM actor.org_unit ou JOIN org_unit_ancestors_distance ouad USING (id) ORDER BY ouad.distance DESC;

    WITH RECURSIVE org_unit_ancestors_distance(id, distance) AS (
            SELECT $1, 0
        UNION
            SELECT ou.parent_ou, ouad.distance+1
            FROM actor.org_unit ou JOIN org_unit_ancestors_distance ouad ON (ou.id = ouad.id)
            WHERE ou.parent_ou IS NOT NULL
    )
    SELECT * FROM org_unit_ancestors_distance;

	SELECT	*
	  FROM	actor.org_unit_ancestors($1)
			UNION
	SELECT	*
	  FROM	actor.org_unit_ancestors($2);

	SELECT	*
	  FROM	actor.org_unit_ancestors($1)
			INTERSECT
	SELECT	*
	  FROM	actor.org_unit_ancestors($2);

    WITH RECURSIVE descendant_depth AS (
        SELECT  ou.id,
                ou.parent_ou,
                out.depth
          FROM  actor.org_unit ou
                JOIN actor.org_unit_type out ON (out.id = ou.ou_type)
          WHERE ou.id = $1
            UNION ALL
        SELECT  ou.id,
                ou.parent_ou,
                out.depth
          FROM  actor.org_unit ou
                JOIN actor.org_unit_type out ON (out.id = ou.ou_type)
                JOIN descendant_depth ot ON (ot.id = ou.parent_ou)
    ) SELECT ou.* FROM actor.org_unit ou JOIN descendant_depth USING (id);

    WITH RECURSIVE descendant_depth AS (
        SELECT  ou.id,
                ou.parent_ou,
                out.depth
          FROM  actor.org_unit ou
                JOIN actor.org_unit_type out ON (out.id = ou.ou_type)
                JOIN anscestor_depth ad ON (ad.id = ou.id)
          WHERE ad.depth = $2
            UNION ALL
        SELECT  ou.id,
                ou.parent_ou,
                out.depth
          FROM  actor.org_unit ou
                JOIN actor.org_unit_type out ON (out.id = ou.ou_type)
                JOIN descendant_depth ot ON (ot.id = ou.parent_ou)
    ), anscestor_depth AS (
        SELECT  ou.id,
                ou.parent_ou,
                out.depth
          FROM  actor.org_unit ou
                JOIN actor.org_unit_type out ON (out.id = ou.ou_type)
          WHERE ou.id = $1
            UNION ALL
        SELECT  ou.id,
                ou.parent_ou,
                out.depth
          FROM  actor.org_unit ou
                JOIN actor.org_unit_type out ON (out.id = ou.ou_type)
                JOIN anscestor_depth ot ON (ot.parent_ou = ou.id)
    ) SELECT ou.* FROM actor.org_unit ou JOIN descendant_depth USING (id);

    WITH RECURSIVE org_unit_descendants_distance(id, distance) AS (
            SELECT $1, 0
        UNION
            SELECT ou.id, oudd.distance+1
            FROM actor.org_unit ou JOIN org_unit_descendants_distance oudd ON (ou.parent_ou = oudd.id)
    )
    SELECT * FROM org_unit_descendants_distance;

    SELECT  aou.*
      FROM  actor.org_unit AS aou
            JOIN (
                (SELECT au.id, t.depth FROM actor.org_unit_ancestors($1) AS au JOIN actor.org_unit_type t ON (au.ou_type = t.id))
                    UNION
                (SELECT au.id, t.depth FROM actor.org_unit_descendants($1) AS au JOIN actor.org_unit_type t ON (au.ou_type = t.id))
            ) AS ad ON (aou.id=ad.id)
      ORDER BY ad.depth;

	SELECT	* FROM actor.org_unit_full_path((actor.org_unit_ancestor_at_depth($1, $2)).id)

	DECLARE
		current_aou actor.org_unit%ROWTYPE;
		seen_ous    INT[];
		depth_count INT;
	BEGIN
		current_aou := NEW;
		depth_count := 0;
		seen_ous := ARRAY[NEW.id];

		IF (TG_OP = 'UPDATE') THEN
			IF (NEW.parent_ou IS NOT DISTINCT FROM OLD.parent_ou) THEN
				RETURN NEW; -- Doing an UPDATE with no change, just return it
			END IF;
		END IF;

		LOOP
			IF current_aou.parent_ou IS NULL THEN -- Top of the org tree?
				RETURN NEW; -- No loop. Carry on.
			END IF;
			IF current_aou.parent_ou = ANY(seen_ous) THEN -- Parent is one we have seen?
				RAISE 'OU LOOP: Saw % twice', current_aou.parent_ou; -- LOOP! ABORT!
			END IF;
			-- Get the next one!
			SELECT INTO current_aou * FROM actor.org_unit WHERE id = current_aou.parent_ou;
			seen_ous := seen_ous || current_aou.id;
			depth_count := depth_count + 1;
			IF depth_count = 100 THEN
				RAISE 'OU CHECK TOO DEEP';
			END IF;
		END LOOP;

		RETURN NEW;
	END;

BEGIN


IF TG_OP = 'DELETE' THEN

    DELETE FROM actor.org_unit_proximity WHERE (from_org = OLD.id or to_org= OLD.id);

END IF;

IF TG_OP = 'UPDATE' THEN

    IF NEW.parent_ou <> OLD.parent_ou THEN

        DELETE FROM actor.org_unit_proximity WHERE (from_org = OLD.id or to_org= OLD.id);
            INSERT INTO actor.org_unit_proximity (from_org, to_org, prox)
            SELECT  l.id, r.id, actor.org_unit_proximity(l.id,r.id)
                FROM  actor.org_unit l, actor.org_unit r
                WHERE (l.id = NEW.id or r.id = NEW.id);

    END IF;

END IF;

IF TG_OP = 'INSERT' THEN

     INSERT INTO actor.org_unit_proximity (from_org, to_org, prox)
     SELECT  l.id, r.id, actor.org_unit_proximity(l.id,r.id)
         FROM  actor.org_unit l, actor.org_unit r
         WHERE (l.id = NEW.id or r.id = NEW.id);

END IF;

RETURN null;

END;

	SELECT COUNT(id)::INT FROM (
		SELECT id FROM actor.org_unit_combined_ancestors($1, $2)
			EXCEPT
		SELECT id FROM actor.org_unit_common_ancestors($1, $2)
	) z;

    WITH RECURSIVE descendant_depth(id, path) AS (
        SELECT  aou.id,
                ARRAY[aou.id]
          FROM  actor.org_unit aou
                JOIN actor.org_unit_type aout ON (aout.id = aou.ou_type)
          WHERE aou.id = $2
            UNION ALL
        SELECT  aou.id,
                dd.path || ARRAY[aou.id]
          FROM  actor.org_unit aou
                JOIN actor.org_unit_type aout ON (aout.id = aou.ou_type)
                JOIN descendant_depth dd ON (dd.id = aou.parent_ou)
    ) SELECT dd.path
        FROM actor.org_unit aou
        JOIN descendant_depth dd USING (id)
        WHERE aou.id = $1 ORDER BY dd.path;

DECLARE
    issuer      TEXT := 'Evergreen';
    algorithm   TEXT := 'SHA1';
    digits      TEXT := '6';
    period      TEXT := '30';
    counter     TEXT := '0';
    otp_secret  TEXT;
    otp_params  HSTORE;
    uri         TEXT;
    param_name  TEXT;
    uri_otype  TEXT;
BEGIN

    IF additional_params IS NULL THEN additional_params = ''::HSTORE; END IF;

    -- we're going to be a bit strict here, for now
    IF otype NOT IN ('webauthn','email','sms','totp','hotp') THEN RETURN NULL; END IF;
    IF purpose NOT IN ('mfa','login') THEN RETURN NULL; END IF;

    uri_otype := otype;
    IF otype NOT IN ('totp','hotp') THEN
        uri_otype := 'totp'; -- others are time-based, but with different settings
    END IF;

    -- protect "our" keys
    additional_params := additional_params - ARRAY['issuer','algorithm','digits','period'];

    SELECT passwd, salt::HSTORE INTO otp_secret, otp_params FROM actor.passwd WHERE usr = usr_id AND passwd_type = otype || '-' || purpose;

    IF NOT FOUND THEN

        issuer := COALESCE(
            (SELECT value FROM config.internal_flag WHERE name = otype||'.'||purpose||'.issuer' AND enabled),
            issuer
        );

        algorithm := COALESCE(
            (SELECT value FROM config.internal_flag WHERE name = otype||'.'||purpose||'.algorithm' AND enabled),
            algorithm
        );

        digits := COALESCE(
            (SELECT value FROM config.internal_flag WHERE name = otype||'.'||purpose||'.digits' AND enabled),
            digits
        );

        period := COALESCE(
            (SELECT value FROM config.internal_flag WHERE name = otype||'.'||purpose||'.period' AND enabled),
            period
        );

        otp_params := HSTORE('counter', counter)
                      || HSTORE('issuer', issuer)
                      || HSTORE('algorithm', UPPER(algorithm))
                      || HSTORE('digits', digits)
                      || HSTORE('period', period);

        IF additional_params ? 'counter' THEN
            otp_params := otp_params - 'counter';
        END IF;

        otp_params := additional_params || otp_params;

        WITH new_secret AS (
            INSERT INTO actor.passwd (usr, salt, passwd, passwd_type)
                VALUES (usr_id, otp_params::TEXT, gen_random_uuid()::TEXT, otype || '-' || purpose)
                RETURNING passwd, salt
        ) SELECT passwd, salt::HSTORE INTO otp_secret, otp_params FROM new_secret;

    ELSE
        otp_params := otp_params - akeys(additional_params); -- remove what we're receiving
        otp_params := additional_params || otp_params;
        IF additional_params != ''::HSTORE THEN -- new additional params were passed, let's save the salt again
            UPDATE actor.passwd SET salt = otp_params::TEXT WHERE usr = usr_id AND passwd_type = otype || '-' || purpose;
        END IF;
    END IF;


    uri :=  'otpauth://' || uri_otype || '/' || evergreen.uri_escape(otp_params -> 'issuer') || ':' || usr_id::TEXT
            ||'?secret='    || evergreen.encode_base32(otp_secret);

    FOREACH param_name IN ARRAY akeys(otp_params) LOOP
        uri := uri || '&' || evergreen.uri_escape(param_name) || '=' || evergreen.uri_escape(otp_params -> param_name);
    END LOOP;

    RETURN uri;
END;

use Pass::OTP;
use Pass::OTP::URI;

my $otp_uri = shift;
my $fuzziness_width = shift // 0;

return undef unless $otp_uri;

my %otp_config = Pass::OTP::URI::parse($otp_uri);
return undef unless $otp_config{type};

for my $fuzziness ( -$fuzziness_width .. $fuzziness_width ) {
    $otp_config{'start-time'} = $otp_config{period} * $fuzziness;
    return_next({period_step => $fuzziness, proof => Pass::OTP::otp(%otp_config)});
}

return undef;

BEGIN
    RETURN QUERY
      SELECT * FROM actor.otpauth_uri_get_proof( actor.otpauth_uri($1, $2, $3), $4 );
    RETURN;
END;

DECLARE
    usr               actor.usr%ROWTYPE;
    profile           config.remoteauth_profile%ROWTYPE;
    perm              TEXT;
    context_org_list  INT[];
    home_prox         INT;
    block             TEXT;
    penalty_count     INT;
BEGIN

    SELECT INTO usr * FROM actor.usr WHERE id = userid AND NOT deleted;
    IF usr IS NULL THEN
        RETURN 'not_found';
    END IF;

    IF usr.barred IS TRUE THEN
        RETURN 'blocked';
    END IF;

    SELECT INTO profile * FROM config.remoteauth_profile WHERE name = profile_name;
    SELECT INTO context_org_list ARRAY_AGG(id) FROM actor.org_unit_full_path( profile.context_org );

    -- user's home library must be within the context org
    IF profile.restrict_to_org IS TRUE AND usr.home_ou NOT IN (SELECT * FROM UNNEST(context_org_list)) THEN
        RETURN 'not_found';
    END IF;

    SELECT INTO perm code FROM permission.perm_list WHERE id = profile.perm;
    IF permission.usr_has_perm(usr.id, perm, profile.context_org) IS FALSE THEN
        RETURN 'not_found';
    END IF;

    IF usr.expire_date < NOW() AND profile.allow_expired IS FALSE THEN
        RETURN 'expired';
    END IF;

    IF usr.active IS FALSE AND profile.allow_inactive IS FALSE THEN
        RETURN 'blocked';
    END IF;

    -- Proximity of user's home_ou to context_org to see if penalties should be ignored.
    SELECT INTO home_prox prox FROM actor.org_unit_proximity WHERE from_org = usr.home_ou AND to_org = profile.context_org;

    -- Loop through the block list to see if the user has any matching penalties.
    IF profile.block_list IS NOT NULL THEN
        FOR block IN SELECT UNNEST(STRING_TO_ARRAY(profile.block_list, '|')) LOOP
            SELECT INTO penalty_count COUNT(DISTINCT csp.*)
                FROM  actor.usr_standing_penalty usp
                        JOIN config.standing_penalty csp ON (csp.id = usp.standing_penalty)
                WHERE usp.usr = usr.id
                        AND usp.org_unit IN ( SELECT * FROM UNNEST(context_org_list) )
                        AND ( usp.stop_date IS NULL or usp.stop_date > NOW() )
                        AND ( csp.ignore_proximity IS NULL OR csp.ignore_proximity < home_prox )
                        AND csp.block_list ~ block;
            IF penalty_count > 0 THEN
                -- User has penalties that match this block, so auth is not permitted.
                -- Don't bother testing the rest of the block list.
                RETURN 'blocked';
            END IF;
        END LOOP;
    END IF;

    -- User has passed all tests.
    RETURN 'success';

END;

DECLARE
    cur_usr INTEGER;
BEGIN
    FOR cur_usr IN SELECT DISTINCT(usr)
        FROM actor.usr_activity WHERE etype = act_type LOOP
        DELETE FROM actor.usr_activity WHERE id IN (
            SELECT id
            FROM actor.usr_activity
            WHERE usr = cur_usr AND etype = act_type
            ORDER BY event_time DESC OFFSET 1
        );

    END LOOP;
END

BEGIN
    INSERT INTO actor.usr_delta_history (eg_user, eg_ws, usr_id, delta, keylist)
        SELECT  a.eg_user,
                a.eg_ws,
                OLD.id,
                evergreen.json_delta(to_json(OLD.*), to_json(NEW.*), TG_ARGV),
                TG_ARGV
          FROM  auditor.get_audit_info() a;
    RETURN NEW;
END;

use Pass::OTP;
use Pass::OTP::URI;

my $usr_id = shift;
my $otype = shift;
my $purpose = shift;
my $proof = shift;
my $fuzziness_width = shift // 1;

if ($otype eq 'webauthn') { # nothing to prove
    my $waq = spi_prepare('DELETE FROM actor.passwd WHERE usr = $1 AND passwd_type = $2 || $$-$$ || $3;', 'INTEGER', 'TEXT', 'TEXT');
    my $res = spi_exec_prepared($waq, $usr_id, $otype, $purpose);
    spi_freeplan($waq);
    return 1;
}

# Normalize the proof value
$proof =~ s/\D//g;
return 0 unless $proof; # all-0s is not valid

my $q = spi_prepare('SELECT actor.otpauth_uri($1, $2, $3) AS uri;', 'INTEGER', 'TEXT', 'TEXT');
my $otp_uri = spi_exec_prepared($q, {limit => 1}, $usr_id, $otype, $purpose)->{rows}[0]{uri};
spi_freeplan($q);

return 0 unless $otp_uri;

my %otp_config = Pass::OTP::URI::parse($otp_uri);

for my $fuzziness ( -$fuzziness_width .. $fuzziness_width ) {
    $otp_config{'start-time'} = $otp_config{period} * $fuzziness;
    my $otp_code = Pass::OTP::otp(%otp_config);
    if ($otp_code eq $proof) {
        $q = spi_prepare('DELETE FROM actor.passwd WHERE usr = $1 AND passwd_type = $2 || $$-$$ || $3;', 'INTEGER', 'TEXT', 'TEXT');
        my $res = spi_exec_prepared($q, $usr_id, $otype, $purpose);
        spi_freeplan($q);
        return 1;
    }
}

return 0;

BEGIN
    IF TG_OP = 'UPDATE' THEN
        UPDATE actor.usr_message
        SET    read_date = NEW.read_date,
               deleted   = NEW.deleted
        WHERE  id = NEW.id;
        RETURN NEW;
    END IF;
    RETURN NULL;
END;

DECLARE
    pw_salt TEXT;
    pw_text TEXT;
BEGIN
    /* Sets the password value, creating a new actor.passwd row if needed.
     * If the password type supports it, the new_pass value is crypt()'ed.
     * For crypt'ed passwords, the salt comes from one of 3 places in order:
     * new_salt (if present), existing salt (if present), newly created
     * salt.
     */

    IF new_salt IS NOT NULL THEN
        pw_salt := new_salt;
    ELSE
        pw_salt := actor.get_salt(pw_usr, pw_type);

        IF pw_salt IS NULL THEN
            /* We have no salt for this user + type.  Assume they want a
             * new salt.  If this type is unsalted, create_salt() will
             * return NULL. */
            pw_salt := actor.create_salt(pw_type);
        END IF;
    END IF;

    IF pw_salt IS NULL THEN
        pw_text := new_pass; -- unsalted, use as-is.
    ELSE
        pw_text := CRYPT(new_pass, pw_salt);
    END IF;

    UPDATE actor.passwd
        SET passwd = pw_text, salt = pw_salt, edit_date = NOW()
        WHERE usr = pw_usr AND passwd_type = pw_type;

    IF NOT FOUND THEN
        -- no password row exists for this user + type.  Create one.
        INSERT INTO actor.passwd (usr, passwd_type, salt, passwd)
            VALUES (pw_usr, pw_type, pw_salt, pw_text);
    END IF;

    RETURN TRUE;
END;

DECLARE
    sipfield actor.stat_cat_sip_fields%ROWTYPE;
    use_count INT;
BEGIN
    IF NEW.sip_field IS NOT NULL THEN
        SELECT INTO sipfield * FROM actor.stat_cat_sip_fields WHERE field = NEW.sip_field;
        IF sipfield.one_only THEN
            SELECT INTO use_count count(id) FROM actor.stat_cat WHERE sip_field = NEW.sip_field AND id != NEW.id;
            IF use_count > 0 THEN
                RAISE EXCEPTION 'Sip field cannot be used twice';
            END IF;
        END IF;
    END IF;
    RETURN NEW;
END;

BEGIN
    DELETE FROM actor.stat_cat_entry_usr_map
    WHERE stat_cat_entry = OLD.value
        AND stat_cat = OLD.stat_cat;

    RETURN NEW;
END;

BEGIN
    UPDATE actor.stat_cat_entry_usr_map
    SET stat_cat_entry = NEW.value
    WHERE stat_cat_entry = OLD.value
        AND stat_cat = OLD.stat_cat;

    RETURN NEW;
END;

BEGIN
    NEW.name_kw_tsvector := TO_TSVECTOR(
        COALESCE(NEW.prefix, '')                || ' ' ||
        COALESCE(NEW.first_given_name, '')      || ' ' ||
        COALESCE(evergreen.unaccent_and_squash(NEW.first_given_name), '') || ' ' ||
        COALESCE(NEW.second_given_name, '')     || ' ' ||
        COALESCE(evergreen.unaccent_and_squash(NEW.second_given_name), '') || ' ' ||
        COALESCE(NEW.family_name, '')           || ' ' ||
        COALESCE(evergreen.unaccent_and_squash(NEW.family_name), '') || ' ' ||
        COALESCE(NEW.suffix, '')                || ' ' ||
        COALESCE(NEW.pref_prefix, '')            || ' ' ||
        COALESCE(NEW.pref_first_given_name, '')  || ' ' ||
        COALESCE(evergreen.unaccent_and_squash(NEW.pref_first_given_name), '') || ' ' ||
        COALESCE(NEW.pref_second_given_name, '') || ' ' ||
        COALESCE(evergreen.unaccent_and_squash(NEW.pref_second_given_name), '') || ' ' ||
        COALESCE(NEW.pref_family_name, '')       || ' ' ||
        COALESCE(evergreen.unaccent_and_squash(NEW.pref_family_name), '') || ' ' ||
        COALESCE(NEW.pref_suffix, '')            || ' ' ||
        COALESCE(NEW.name_keywords, '')          || ' ' ||
        COALESCE(NEW.guardian, '')               || ' ' ||
        COALESCE(evergreen.unaccent_and_squash(NEW.guardian), '')
    );
    RETURN NEW;
END;

SELECT * FROM config.usr_activity_type
    WHERE
        enabled AND
        (ewho  IS NULL OR ewho  = $1) AND
        (ewhat IS NULL OR ewhat = $2) AND
        (ehow  IS NULL OR ehow  = $3)
    ORDER BY
        -- BOOL comparisons sort false to true
        COALESCE(ewho, '')  != COALESCE($1, ''),
        COALESCE(ewhat,'')  != COALESCE($2, ''),
        COALESCE(ehow, '')  != COALESCE($3, '')
    LIMIT 1;

BEGIN
    DELETE FROM actor.usr_activity act USING config.usr_activity_type atype
        WHERE atype.transient AND
            NEW.etype = atype.id AND
            act.etype = atype.id AND
            act.usr = NEW.usr;
    RETURN NEW;
END;

DECLARE
	old_profile actor.usr.profile%type;
	old_home_ou actor.usr.home_ou%type;
	new_profile actor.usr.profile%type;
	new_home_ou actor.usr.home_ou%type;
	new_name    text;
	new_dob     actor.usr.dob%type;
BEGIN
	SELECT
		id || '-PURGED-' || now(),
		profile,
		home_ou,
		dob
	INTO
		new_name,
		old_profile,
		old_home_ou,
		new_dob
	FROM
		actor.usr
	WHERE
		id = src_usr;
	--
	-- Quit if no such user
	--
	IF old_profile IS NULL THEN
		RETURN;
	END IF;
	--
	perform actor.usr_purge_data( src_usr, dest_usr );
	--
	-- Find the root grp_tree and the root org_unit.  This would be simpler if we
	-- could assume that there is only one root.  Theoretically, someday, maybe,
	-- there could be multiple roots, so we take extra trouble to get the right ones.
	--
	SELECT
		id
	INTO
		new_profile
	FROM
		permission.grp_ancestors( old_profile )
	WHERE
		parent is null;
	--
	SELECT
		id
	INTO
		new_home_ou
	FROM
		actor.org_unit_ancestors( old_home_ou )
	WHERE
		parent_ou is null;
	--
	-- Truncate date of birth
	--
	IF new_dob IS NOT NULL THEN
		new_dob := date_trunc( 'year', new_dob );
	END IF;
	--
	UPDATE
		actor.usr
		SET
			card = NULL,
			profile = new_profile,
			usrname = new_name,
			email = NULL,
			passwd = random()::text,
			standing = DEFAULT,
			ident_type =
			(
				SELECT MIN( id )
				FROM config.identification_type
			),
			ident_value = NULL,
			ident_type2 = NULL,
			ident_value2 = NULL,
			net_access_level = DEFAULT,
			photo_url = NULL,
			prefix = NULL,
			first_given_name = new_name,
			second_given_name = NULL,
			family_name = new_name,
			suffix = NULL,
			alias = NULL,
			guardian = NULL,
			guardian_email = NULL,
			day_phone = NULL,
			evening_phone = NULL,
			other_phone = NULL,
			mailing_address = NULL,
			billing_address = NULL,
			home_ou = new_home_ou,
			dob = new_dob,
			active = FALSE,
			master_account = DEFAULT,
			super_user = DEFAULT,
			barred = FALSE,
			deleted = TRUE,
			juvenile = DEFAULT,
			usrgroup = 0,
			claims_returned_count = DEFAULT,
			credit_forward_balance = DEFAULT,
			last_xact_id = DEFAULT,
			pref_prefix = NULL,
			pref_first_given_name = NULL,
			pref_second_given_name = NULL,
			pref_family_name = NULL,
			pref_suffix = NULL,
			name_keywords = NULL,
			create_date = now(),
			expire_date = now()
	WHERE
		id = src_usr;
END;

DECLARE
	suffix TEXT;
	bucket_row RECORD;
	picklist_row RECORD;
	queue_row RECORD;
	folder_row RECORD;
BEGIN

    -- Bail if src_usr equals dest_usr because the result of merging a
    -- user with itself is not what you want.
    IF src_usr = dest_usr THEN
        RETURN;
    END IF;

    -- do some initial cleanup
    UPDATE actor.usr SET card = NULL WHERE id = src_usr;
    UPDATE actor.usr SET mailing_address = NULL WHERE id = src_usr;
    UPDATE actor.usr SET billing_address = NULL WHERE id = src_usr;

    -- actor.*
    IF del_cards THEN
        DELETE FROM actor.card where usr = src_usr;
    ELSE
        IF deactivate_cards THEN
            UPDATE actor.card SET active = 'f' WHERE usr = src_usr;
        END IF;
        UPDATE actor.card SET usr = dest_usr WHERE usr = src_usr;
    END IF;


    IF del_addrs THEN
        DELETE FROM actor.usr_address WHERE usr = src_usr;
    ELSE
        UPDATE actor.usr_address SET usr = dest_usr WHERE usr = src_usr;
    END IF;

    UPDATE actor.usr_message SET usr = dest_usr WHERE usr = src_usr;
    -- dupes are technically OK in actor.usr_standing_penalty, should manually delete them...
    UPDATE actor.usr_standing_penalty SET usr = dest_usr WHERE usr = src_usr;
    PERFORM actor.usr_merge_rows('actor.usr_org_unit_opt_in', 'usr', src_usr, dest_usr);
    PERFORM actor.usr_merge_rows('actor.usr_setting', 'usr', src_usr, dest_usr);

    -- permission.*
    PERFORM actor.usr_merge_rows('permission.usr_perm_map', 'usr', src_usr, dest_usr);
    PERFORM actor.usr_merge_rows('permission.usr_object_perm_map', 'usr', src_usr, dest_usr);
    PERFORM actor.usr_merge_rows('permission.usr_grp_map', 'usr', src_usr, dest_usr);
    PERFORM actor.usr_merge_rows('permission.usr_work_ou_map', 'usr', src_usr, dest_usr);


    -- container.*

	-- For each *_bucket table: transfer every bucket belonging to src_usr
	-- into the custody of dest_usr.
	--
	-- In order to avoid colliding with an existing bucket owned by
	-- the destination user, append the source user's id (in parenthesese)
	-- to the name.  If you still get a collision, add successive
	-- spaces to the name and keep trying until you succeed.
	--
	FOR bucket_row in
		SELECT id, name
		FROM   container.biblio_record_entry_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.biblio_record_entry_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = bucket_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	FOR bucket_row in
		SELECT id, name
		FROM   container.call_number_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.call_number_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = bucket_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	FOR bucket_row in
		SELECT id, name
		FROM   container.copy_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.copy_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = bucket_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	FOR bucket_row in
		SELECT id, name
		FROM   container.user_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.user_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = bucket_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	UPDATE container.user_bucket_item SET target_user = dest_usr WHERE target_user = src_usr;

    -- vandelay.*
	-- transfer queues the same way we transfer buckets (see above)
	FOR queue_row in
		SELECT id, name
		FROM   vandelay.queue
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  vandelay.queue
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = queue_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

    UPDATE vandelay.session_tracker SET usr = dest_usr WHERE usr = src_usr;

    -- money.*
    PERFORM actor.usr_merge_rows('money.collections_tracker', 'usr', src_usr, dest_usr);
    PERFORM actor.usr_merge_rows('money.collections_tracker', 'collector', src_usr, dest_usr);
    UPDATE money.billable_xact SET usr = dest_usr WHERE usr = src_usr;
    UPDATE money.billing SET voider = dest_usr WHERE voider = src_usr;
    UPDATE money.bnm_payment SET accepting_usr = dest_usr WHERE accepting_usr = src_usr;

    -- action.*
    UPDATE action.circulation SET usr = dest_usr WHERE usr = src_usr;
    UPDATE action.circulation SET circ_staff = dest_usr WHERE circ_staff = src_usr;
    UPDATE action.circulation SET checkin_staff = dest_usr WHERE checkin_staff = src_usr;
    UPDATE action.usr_circ_history SET usr = dest_usr WHERE usr = src_usr;

    UPDATE action.hold_request SET usr = dest_usr WHERE usr = src_usr;
    UPDATE action.hold_request SET fulfillment_staff = dest_usr WHERE fulfillment_staff = src_usr;
    UPDATE action.hold_request SET requestor = dest_usr WHERE requestor = src_usr;
    UPDATE action.hold_request SET canceled_by = dest_usr WHERE canceled_by = src_usr;
	UPDATE action.hold_request_reset_reason_entry SET requestor = dest_usr WHERE requestor = src_usr;
    UPDATE action.hold_notification SET notify_staff = dest_usr WHERE notify_staff = src_usr;

    UPDATE action.in_house_use SET staff = dest_usr WHERE staff = src_usr;
    UPDATE action.non_cataloged_circulation SET staff = dest_usr WHERE staff = src_usr;
    UPDATE action.non_cataloged_circulation SET patron = dest_usr WHERE patron = src_usr;
    UPDATE action.non_cat_in_house_use SET staff = dest_usr WHERE staff = src_usr;
    UPDATE action.survey_response SET usr = dest_usr WHERE usr = src_usr;

    -- acq.*
    UPDATE acq.fund_allocation SET allocator = dest_usr WHERE allocator = src_usr;
	UPDATE acq.fund_transfer SET transfer_user = dest_usr WHERE transfer_user = src_usr;
    UPDATE acq.invoice SET closed_by = dest_usr WHERE closed_by = src_usr;

	-- transfer picklists the same way we transfer buckets (see above)
	FOR picklist_row in
		SELECT id, name
		FROM   acq.picklist
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  acq.picklist
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = picklist_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

    UPDATE acq.purchase_order SET owner = dest_usr WHERE owner = src_usr;
    UPDATE acq.po_note SET creator = dest_usr WHERE creator = src_usr;
    UPDATE acq.po_note SET editor = dest_usr WHERE editor = src_usr;
    UPDATE acq.provider_note SET creator = dest_usr WHERE creator = src_usr;
    UPDATE acq.provider_note SET editor = dest_usr WHERE editor = src_usr;
    UPDATE acq.lineitem_note SET creator = dest_usr WHERE creator = src_usr;
    UPDATE acq.lineitem_note SET editor = dest_usr WHERE editor = src_usr;
    UPDATE acq.lineitem_usr_attr_definition SET usr = dest_usr WHERE usr = src_usr;

    -- asset.*
    UPDATE asset.copy SET creator = dest_usr WHERE creator = src_usr;
    UPDATE asset.copy SET editor = dest_usr WHERE editor = src_usr;
    UPDATE asset.copy_note SET creator = dest_usr WHERE creator = src_usr;
    UPDATE asset.call_number SET creator = dest_usr WHERE creator = src_usr;
    UPDATE asset.call_number SET editor = dest_usr WHERE editor = src_usr;
    UPDATE asset.call_number_note SET creator = dest_usr WHERE creator = src_usr;

    -- serial.*
    UPDATE serial.record_entry SET creator = dest_usr WHERE creator = src_usr;
    UPDATE serial.record_entry SET editor = dest_usr WHERE editor = src_usr;

    -- reporter.*
    -- It's not uncommon to define the reporter schema in a replica
    -- DB only, so don't assume these tables exist in the write DB.
    BEGIN
    	UPDATE reporter.template SET owner = dest_usr WHERE owner = src_usr;
    EXCEPTION WHEN undefined_table THEN
        -- do nothing
    END;
    BEGIN
    	UPDATE reporter.report SET owner = dest_usr WHERE owner = src_usr;
    EXCEPTION WHEN undefined_table THEN
        -- do nothing
    END;
    BEGIN
    	UPDATE reporter.schedule SET runner = dest_usr WHERE runner = src_usr;
    EXCEPTION WHEN undefined_table THEN
        -- do nothing
    END;
    BEGIN
		-- transfer folders the same way we transfer buckets (see above)
		FOR folder_row in
			SELECT id, name
			FROM   reporter.template_folder
			WHERE  owner = src_usr
		LOOP
			suffix := ' (' || src_usr || ')';
			LOOP
				BEGIN
					UPDATE  reporter.template_folder
					SET     owner = dest_usr, name = name || suffix
					WHERE   id = folder_row.id;
				EXCEPTION WHEN unique_violation THEN
					suffix := suffix || ' ';
					CONTINUE;
				END;
				EXIT;
			END LOOP;
		END LOOP;
    EXCEPTION WHEN undefined_table THEN
        -- do nothing
    END;
    BEGIN
		-- transfer folders the same way we transfer buckets (see above)
		FOR folder_row in
			SELECT id, name
			FROM   reporter.report_folder
			WHERE  owner = src_usr
		LOOP
			suffix := ' (' || src_usr || ')';
			LOOP
				BEGIN
					UPDATE  reporter.report_folder
					SET     owner = dest_usr, name = name || suffix
					WHERE   id = folder_row.id;
				EXCEPTION WHEN unique_violation THEN
					suffix := suffix || ' ';
					CONTINUE;
				END;
				EXIT;
			END LOOP;
		END LOOP;
    EXCEPTION WHEN undefined_table THEN
        -- do nothing
    END;
    BEGIN
		-- transfer folders the same way we transfer buckets (see above)
		FOR folder_row in
			SELECT id, name
			FROM   reporter.output_folder
			WHERE  owner = src_usr
		LOOP
			suffix := ' (' || src_usr || ')';
			LOOP
				BEGIN
					UPDATE  reporter.output_folder
					SET     owner = dest_usr, name = name || suffix
					WHERE   id = folder_row.id;
				EXCEPTION WHEN unique_violation THEN
					suffix := suffix || ' ';
					CONTINUE;
				END;
				EXIT;
			END LOOP;
		END LOOP;
    EXCEPTION WHEN undefined_table THEN
        -- do nothing
    END;

    -- propagate preferred name values from the source user to the
    -- destination user, but only when values are not being replaced.
    WITH susr AS (SELECT * FROM actor.usr WHERE id = src_usr)
    UPDATE actor.usr SET
        pref_prefix =
            COALESCE(pref_prefix, (SELECT pref_prefix FROM susr)),
        pref_first_given_name =
            COALESCE(pref_first_given_name, (SELECT pref_first_given_name FROM susr)),
        pref_second_given_name =
            COALESCE(pref_second_given_name, (SELECT pref_second_given_name FROM susr)),
        pref_family_name =
            COALESCE(pref_family_name, (SELECT pref_family_name FROM susr)),
        pref_suffix =
            COALESCE(pref_suffix, (SELECT pref_suffix FROM susr))
    WHERE id = dest_usr;

    -- Copy and deduplicate name keywords
    -- String -> array -> rows -> DISTINCT -> array -> string
    WITH susr AS (SELECT * FROM actor.usr WHERE id = src_usr),
         dusr AS (SELECT * FROM actor.usr WHERE id = dest_usr)
    UPDATE actor.usr SET name_keywords = (
        WITH keywords AS (
            SELECT DISTINCT UNNEST(
                REGEXP_SPLIT_TO_ARRAY(
                    COALESCE((SELECT name_keywords FROM susr), '') || ' ' ||
                    COALESCE((SELECT name_keywords FROM dusr), ''),  E'\\s+'
                )
            ) AS parts
        ) SELECT STRING_AGG(kw.parts, ' ') FROM keywords kw
    ) WHERE id = dest_usr;

    -- Finally, delete the source user
    PERFORM actor.usr_delete(src_usr,dest_usr);

END;

DECLARE
    sel TEXT;
    upd TEXT;
    del TEXT;
    cur_row RECORD;
BEGIN
    sel := 'SELECT id::BIGINT FROM ' || table_name || ' WHERE ' || quote_ident(col_name) || ' = ' || quote_literal(src_usr);
    upd := 'UPDATE ' || table_name || ' SET ' || quote_ident(col_name) || ' = ' || quote_literal(dest_usr) || ' WHERE id = ';
    del := 'DELETE FROM ' || table_name || ' WHERE id = ';
    FOR cur_row IN EXECUTE sel LOOP
        BEGIN
            --RAISE NOTICE 'Attempting to merge % %', table_name, cur_row.id;
            EXECUTE upd || cur_row.id;
        EXCEPTION WHEN unique_violation THEN
            --RAISE NOTICE 'Deleting conflicting % %', table_name, cur_row.id;
            EXECUTE del || cur_row.id;
        END;
    END LOOP;
END;

DECLARE
	suffix TEXT;
	renamable_row RECORD;
	dest_usr INTEGER;
BEGIN

	IF specified_dest_usr IS NULL THEN
		dest_usr := 1; -- Admin user on stock installs
	ELSE
		dest_usr := specified_dest_usr;
	END IF;

    -- action_trigger.event (even doing this, event_output may--and probably does--contain PII and should have a retention/removal policy)
    UPDATE action_trigger.event SET context_user = dest_usr WHERE context_user = src_usr;

	-- acq.*
	UPDATE acq.fund_allocation SET allocator = dest_usr WHERE allocator = src_usr;
	UPDATE acq.lineitem SET creator = dest_usr WHERE creator = src_usr;
	UPDATE acq.lineitem SET editor = dest_usr WHERE editor = src_usr;
	UPDATE acq.lineitem SET selector = dest_usr WHERE selector = src_usr;
	UPDATE acq.lineitem_note SET creator = dest_usr WHERE creator = src_usr;
	UPDATE acq.lineitem_note SET editor = dest_usr WHERE editor = src_usr;
	UPDATE acq.invoice SET closed_by = dest_usr WHERE closed_by = src_usr;
	DELETE FROM acq.lineitem_usr_attr_definition WHERE usr = src_usr;

	-- Update with a rename to avoid collisions
	FOR renamable_row in
		SELECT id, name
		FROM   acq.picklist
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  acq.picklist
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = renamable_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	UPDATE acq.picklist SET creator = dest_usr WHERE creator = src_usr;
	UPDATE acq.picklist SET editor = dest_usr WHERE editor = src_usr;
	UPDATE acq.po_note SET creator = dest_usr WHERE creator = src_usr;
	UPDATE acq.po_note SET editor = dest_usr WHERE editor = src_usr;
	UPDATE acq.purchase_order SET owner = dest_usr WHERE owner = src_usr;
	UPDATE acq.purchase_order SET creator = dest_usr WHERE creator = src_usr;
	UPDATE acq.purchase_order SET editor = dest_usr WHERE editor = src_usr;
	UPDATE acq.claim_event SET creator = dest_usr WHERE creator = src_usr;

	-- action.*
	DELETE FROM action.circulation WHERE usr = src_usr;
	UPDATE action.circulation SET circ_staff = dest_usr WHERE circ_staff = src_usr;
	UPDATE action.circulation SET checkin_staff = dest_usr WHERE checkin_staff = src_usr;
	UPDATE action.hold_notification SET notify_staff = dest_usr WHERE notify_staff = src_usr;
	UPDATE action.hold_request SET fulfillment_staff = dest_usr WHERE fulfillment_staff = src_usr;
	UPDATE action.hold_request SET requestor = dest_usr WHERE requestor = src_usr;
	UPDATE action.hold_request SET canceled_by = dest_usr WHERE canceled_by = src_usr;
	UPDATE action.hold_request_reset_reason_entry SET requestor = dest_usr WHERE requestor = src_usr;
	DELETE FROM action.hold_request WHERE usr = src_usr;
	UPDATE action.in_house_use SET staff = dest_usr WHERE staff = src_usr;
	UPDATE action.non_cat_in_house_use SET staff = dest_usr WHERE staff = src_usr;
	DELETE FROM action.non_cataloged_circulation WHERE patron = src_usr;
	UPDATE action.non_cataloged_circulation SET staff = dest_usr WHERE staff = src_usr;
	DELETE FROM action.survey_response WHERE usr = src_usr;
	UPDATE action.fieldset SET owner = dest_usr WHERE owner = src_usr;
	DELETE FROM action.usr_circ_history WHERE usr = src_usr;
	UPDATE action.curbside SET notes = NULL WHERE patron = src_usr;

	-- actor.*
	DELETE FROM actor.card WHERE usr = src_usr;
	DELETE FROM actor.stat_cat_entry_usr_map WHERE target_usr = src_usr;
	DELETE FROM actor.usr_privacy_waiver WHERE usr = src_usr;
	DELETE FROM actor.usr_message WHERE usr = src_usr;

	-- The following update is intended to avoid transient violations of a foreign
	-- key constraint, whereby actor.usr_address references itself.  It may not be
	-- necessary, but it does no harm.
	UPDATE actor.usr_address SET replaces = NULL
		WHERE usr = src_usr AND replaces IS NOT NULL;

	-- LP#885270: Addresses owned by src_usr that are referenced by other
	-- users (as billing_address or mailing_address) cannot be deleted.
	-- Reassign ownership of those addresses to one of the referencing
	-- users so the address is preserved for them.
	UPDATE actor.usr_address addr SET usr = sub.new_owner
	FROM (
		SELECT a.id, (
			SELECT u.id FROM actor.usr u
			WHERE (u.billing_address = a.id OR u.mailing_address = a.id)
				AND u.id != src_usr
			LIMIT 1
		) AS new_owner
		FROM actor.usr_address a
		WHERE a.usr = src_usr
			AND EXISTS (
				SELECT 1 FROM actor.usr u
				WHERE (u.billing_address = a.id OR u.mailing_address = a.id)
					AND u.id != src_usr
			)
	) sub
	WHERE addr.id = sub.id;

	DELETE FROM actor.usr_address WHERE usr = src_usr;
	DELETE FROM actor.usr_org_unit_opt_in WHERE usr = src_usr;
	UPDATE actor.usr_org_unit_opt_in SET staff = dest_usr WHERE staff = src_usr;
	DELETE FROM actor.usr_setting WHERE usr = src_usr;
	DELETE FROM actor.usr_standing_penalty WHERE usr = src_usr;
	UPDATE actor.usr_message SET title = 'purged', message = 'purged', read_date = NOW() WHERE usr = src_usr;
	DELETE FROM actor.usr_message WHERE usr = src_usr;
	UPDATE actor.usr_standing_penalty SET staff = dest_usr WHERE staff = src_usr;
	UPDATE actor.usr_message SET editor = dest_usr WHERE editor = src_usr;

	-- asset.*
	UPDATE asset.call_number SET creator = dest_usr WHERE creator = src_usr;
	UPDATE asset.call_number SET editor = dest_usr WHERE editor = src_usr;
	UPDATE asset.call_number_note SET creator = dest_usr WHERE creator = src_usr;
	UPDATE asset.copy SET creator = dest_usr WHERE creator = src_usr;
	UPDATE asset.copy SET editor = dest_usr WHERE editor = src_usr;
	UPDATE asset.copy_note SET creator = dest_usr WHERE creator = src_usr;

	-- auditor.*
	DELETE FROM auditor.actor_usr_address_history WHERE id = src_usr;
	DELETE FROM auditor.actor_usr_history WHERE id = src_usr;
	UPDATE auditor.asset_call_number_history SET creator = dest_usr WHERE creator = src_usr;
	UPDATE auditor.asset_call_number_history SET editor  = dest_usr WHERE editor  = src_usr;
	UPDATE auditor.asset_copy_history SET creator = dest_usr WHERE creator = src_usr;
	UPDATE auditor.asset_copy_history SET editor  = dest_usr WHERE editor  = src_usr;
	UPDATE auditor.biblio_record_entry_history SET creator = dest_usr WHERE creator = src_usr;
	UPDATE auditor.biblio_record_entry_history SET editor  = dest_usr WHERE editor  = src_usr;

	-- biblio.*
	UPDATE biblio.record_entry SET creator = dest_usr WHERE creator = src_usr;
	UPDATE biblio.record_entry SET editor = dest_usr WHERE editor = src_usr;
	UPDATE biblio.record_note SET creator = dest_usr WHERE creator = src_usr;
	UPDATE biblio.record_note SET editor = dest_usr WHERE editor = src_usr;

	-- container.*
	-- Update buckets with a rename to avoid collisions
	FOR renamable_row in
		SELECT id, name
		FROM   container.biblio_record_entry_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.biblio_record_entry_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = renamable_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	FOR renamable_row in
		SELECT id, name
		FROM   container.call_number_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.call_number_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = renamable_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	FOR renamable_row in
		SELECT id, name
		FROM   container.copy_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.copy_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = renamable_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	FOR renamable_row in
		SELECT id, name
		FROM   container.user_bucket
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  container.user_bucket
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = renamable_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

	DELETE FROM container.user_bucket_item WHERE target_user = src_usr;

	-- money.*
	DELETE FROM money.billable_xact WHERE usr = src_usr;
	DELETE FROM money.collections_tracker WHERE usr = src_usr;
	UPDATE money.collections_tracker SET collector = dest_usr WHERE collector = src_usr;

	-- permission.*
	DELETE FROM permission.usr_grp_map WHERE usr = src_usr;
	DELETE FROM permission.usr_object_perm_map WHERE usr = src_usr;
	DELETE FROM permission.usr_perm_map WHERE usr = src_usr;
	DELETE FROM permission.usr_work_ou_map WHERE usr = src_usr;

	-- reporter.*
	-- Update with a rename to avoid collisions
	BEGIN
		FOR renamable_row in
			SELECT id, name
			FROM   reporter.output_folder
			WHERE  owner = src_usr
		LOOP
			suffix := ' (' || src_usr || ')';
			LOOP
				BEGIN
					UPDATE  reporter.output_folder
					SET     owner = dest_usr, name = name || suffix
					WHERE   id = renamable_row.id;
				EXCEPTION WHEN unique_violation THEN
					suffix := suffix || ' ';
					CONTINUE;
				END;
				EXIT;
			END LOOP;
		END LOOP;
	EXCEPTION WHEN undefined_table THEN
		-- do nothing
	END;

	BEGIN
		UPDATE reporter.report SET owner = dest_usr WHERE owner = src_usr;
	EXCEPTION WHEN undefined_table THEN
		-- do nothing
	END;

	-- Update with a rename to avoid collisions
	BEGIN
		FOR renamable_row in
			SELECT id, name
			FROM   reporter.report_folder
			WHERE  owner = src_usr
		LOOP
			suffix := ' (' || src_usr || ')';
			LOOP
				BEGIN
					UPDATE  reporter.report_folder
					SET     owner = dest_usr, name = name || suffix
					WHERE   id = renamable_row.id;
				EXCEPTION WHEN unique_violation THEN
					suffix := suffix || ' ';
					CONTINUE;
				END;
				EXIT;
			END LOOP;
		END LOOP;
	EXCEPTION WHEN undefined_table THEN
		-- do nothing
	END;

	BEGIN
		UPDATE reporter.schedule SET runner = dest_usr WHERE runner = src_usr;
	EXCEPTION WHEN undefined_table THEN
		-- do nothing
	END;

	BEGIN
		UPDATE reporter.template SET owner = dest_usr WHERE owner = src_usr;
	EXCEPTION WHEN undefined_table THEN
		-- do nothing
	END;

	-- Update with a rename to avoid collisions
	BEGIN
		FOR renamable_row in
			SELECT id, name
			FROM   reporter.template_folder
			WHERE  owner = src_usr
		LOOP
			suffix := ' (' || src_usr || ')';
			LOOP
				BEGIN
					UPDATE  reporter.template_folder
					SET     owner = dest_usr, name = name || suffix
					WHERE   id = renamable_row.id;
				EXCEPTION WHEN unique_violation THEN
					suffix := suffix || ' ';
					CONTINUE;
				END;
				EXIT;
			END LOOP;
		END LOOP;
	EXCEPTION WHEN undefined_table THEN
	-- do nothing
	END;

	-- vandelay.*
	-- Update with a rename to avoid collisions
	FOR renamable_row in
		SELECT id, name
		FROM   vandelay.queue
		WHERE  owner = src_usr
	LOOP
		suffix := ' (' || src_usr || ')';
		LOOP
			BEGIN
				UPDATE  vandelay.queue
				SET     owner = dest_usr, name = name || suffix
				WHERE   id = renamable_row.id;
			EXCEPTION WHEN unique_violation THEN
				suffix := suffix || ' ';
				CONTINUE;
			END;
			EXIT;
		END LOOP;
	END LOOP;

    UPDATE vandelay.session_tracker SET usr = dest_usr WHERE usr = src_usr;

    -- NULL-ify addresses last so other cleanup (e.g. circ anonymization)
    -- can access the information before deletion.
	UPDATE actor.usr SET
		active = FALSE,
		card = NULL,
		mailing_address = NULL,
		billing_address = NULL
	WHERE id = src_usr;

END;

DECLARE
    pw_salt     TEXT;
    api_enabled BOOL;
BEGIN
    /* Returns TRUE if the password provided matches the in-db password.
     * If the password type is salted, we compare the output of CRYPT().
     * NOTE: test_passwd is MD5(salt || MD5(password)) for legacy
     * 'main' passwords.
     *
     * Password type 'api' requires that the user be enabled as an
     * integrator in the openapi.integrator table.
     */

    IF pw_type = 'api' THEN
        SELECT  enabled INTO api_enabled
          FROM  openapi.integrator
          WHERE id = pw_usr;

        IF NOT FOUND OR api_enabled IS FALSE THEN
            -- API integrator account not registered
            RETURN FALSE;
        END IF;
    END IF;

    SELECT INTO pw_salt salt FROM actor.passwd
        WHERE usr = pw_usr AND passwd_type = pw_type;

    IF NOT FOUND THEN
        -- no such password
        RETURN FALSE;
    END IF;

    IF pw_salt IS NULL THEN
        -- Password is unsalted, compare the un-CRYPT'ed values.
        RETURN EXISTS (
            SELECT TRUE FROM actor.passwd WHERE
                usr = pw_usr AND
                passwd_type = pw_type AND
                passwd = test_passwd
        );
    END IF;

    RETURN EXISTS (
        SELECT TRUE FROM actor.passwd WHERE
            usr = pw_usr AND
            passwd_type = pw_type AND
            passwd = CRYPT(test_passwd, pw_salt)
    );
END;