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Added a set_dav_property function.

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This commit is contained in:
Andrew McMillan 2006-12-21 01:00:36 +13:00
parent 62d33aef5f
commit 798e016f3e
1 changed files with 23 additions and 0 deletions
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23
dba/caldav_functions.sql
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@ -291,3 +291,26 @@ END;
CREATE or REPLACE FUNCTION to_ical_utc( TIMESTAMP WITH TIME ZONE ) RETURNS TEXT AS '
SELECT to_char( $1 at time zone ''UTC'', ''YYYYMMDD"T"HH24MISS"Z"'' )
' LANGUAGE 'sql' IMMUTABLE STRICT;
-- Function to set an arbitrary DAV property
CREATE or REPLACE FUNCTION set_dav_property( TEXT, INTEGER, TEXT, TEXT ) RETURNS BOOLEAN AS '
DECLARE
path ALIAS FOR $1;
user ALIAS FOR $2;
key ALIAS FOR $3;
value ALIAS FOR $4;
tmp_int INT;
BEGIN
-- Check that there is either a resource, collection or user at this location.
IF NOT EXISTS( SELECT 1 FROM caldav_data WHERE dav_name = path UNION SELECT 1 FROM collection WHERE dav_name = path ) THEN
RETURN FALSE;
END IF;
SELECT changed_by INTO tmp_int FROM property WHERE dav_name = path AND property_name = key;
IF FOUND THEN
UPDATE property SET changed_by=user, changed_on=current_timestamp, property_value=value WHERE dav_name = path AND property_name = key;
ELSE
INSERT INTO property ( dav_name, changed_by, changed_on, property_name, property_value ) VALUES( path, user, current_timestamp, key, value );
END IF;
RETURN TRUE;
END;
' LANGUAGE 'plpgsql' STRICT;