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path: root/src/db/rest/like/api_like_delete.sql
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Diffstat (limited to 'src/db/rest/like/api_like_delete.sql')
-rw-r--r--src/db/rest/like/api_like_delete.sql32
1 files changed, 32 insertions, 0 deletions
diff --git a/src/db/rest/like/api_like_delete.sql b/src/db/rest/like/api_like_delete.sql
new file mode 100644
index 0000000..7209a40
--- /dev/null
+++ b/src/db/rest/like/api_like_delete.sql
@@ -0,0 +1,32 @@
+CREATE FUNCTION _api.like_delete()
+RETURNS TRIGGER
+LANGUAGE plpgsql VOLATILE
+AS $BODY$
+DECLARE
+ _user_id INTEGER;
+BEGIN
+ _user_id = _api.get_user_id();
+
+ IF OLD.user_id <> _user_id THEN
+ PERFORM _api.raise_deny();
+ END IF;
+
+ UPDATE admin.like SET
+ value = FALSE,
+ modified = clock_timestamp()
+ WHERE id = OLD.id;
+END
+$BODY$;
+
+GRANT EXECUTE ON FUNCTION _api.like_delete()
+ TO rest_user;
+GRANT DELETE ON TABLE api.like
+ TO rest_user;
+GRANT UPDATE ON TABLE admin.like
+ TO rest_user;
+
+CREATE TRIGGER api_like_delete_trgr
+ INSTEAD OF DELETE
+ ON api.like
+ FOR EACH ROW
+ EXECUTE PROCEDURE _api.like_delete();