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authorFreya Murphy <freya@freyacat.org>2024-03-29 22:29:56 -0400
committerFreya Murphy <freya@freyacat.org>2024-03-29 22:29:56 -0400
commit944b6b0526032ad8c1b4a2612d6723bec75e0e4c (patch)
treed3da5584df33a7878c087622b4fc2ec2883cf880 /db/rest/util/_api_validate_text.sql
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start database (user and post), and initial barebones home page
Diffstat (limited to 'db/rest/util/_api_validate_text.sql')
-rw-r--r--db/rest/util/_api_validate_text.sql51
1 files changed, 51 insertions, 0 deletions
diff --git a/db/rest/util/_api_validate_text.sql b/db/rest/util/_api_validate_text.sql
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+CREATE FUNCTION _api.validate_text(
+ _column TEXT DEFAULT '',
+ _text TEXT DEFAULT NULL,
+ _min INTEGER DEFAULT NULL,
+ _max INTEGER DEFAULT NULL,
+ _nullable BOOLEAN DEFAULT FALSE
+)
+RETURNS BOOLEAN
+LANGUAGE plpgsql VOLATILE
+AS $BODY$
+DECLARE
+ _length INTEGER;
+BEGIN
+
+ -- make sure that text can only be null
+ -- when we allow it
+ IF _text IS NULL AND NOT _nullable THEN
+ PERFORM _api.raise(
+ _msg => 'api_null_value',
+ _detail => _column
+ );
+ END IF;
+
+ IF _text IS NULL THEN
+ RETURN TRUE;
+ END IF;
+
+ _length = LENGTH(_text);
+
+ IF _min IS NOT NULL AND _length < _min THEN
+ PERFORM _api.raise(
+ _msg => 'api_text_min',
+ _detail => _column,
+ _hint => _min || ''
+ );
+ END IF;
+
+ IF _max IS NOT NULL AND _length > _max THEN
+ PERFORM _api.raise(
+ _msg => 'api_text_max',
+ _detail => _column,
+ _hint => _max || ''
+ );
+ END IF;
+
+ RETURN TRUE;
+END
+$BODY$;
+
+GRANT EXECUTE ON FUNCTION _api.validate_text(TEXT, TEXT, INTEGER, INTEGER, BOOLEAN)
+ TO rest_anon, rest_user;