follow ppl

1 files changed, 46 insertions, 0 deletions

diff --git a/src/db/rest/follow/api_follow_insert.sql b/src/db/rest/follow/api_follow_insert.sql
new file mode 100644
index 0000000..6351855
--- /dev/null
+++ b/src/db/rest/follow/api_follow_insert.sql
@@ -0,0 +1,46 @@
+CREATE FUNCTION _api.follow_insert()
+RETURNS TRIGGER
+LANGUAGE plpgsql VOLATILE
+AS $BODY$
+DECLARE
+	_user_id INTEGER;
+BEGIN
+	_user_id = _api.get_user_id();
+
+	IF NEW.followee_id IS NULL THEN
+		-- for now
+		PERFORM _api.raise_deny();
+	END IF;
+
+	NEW.value := COALESCE(NEW.value, TRUE);
+
+	INSERT INTO admin.follow (
+		follower_id,
+		followee_id,
+		value
+	) VALUES (
+		_user_id,
+		NEW.followee_id,
+		NEW.value
+	)
+	RETURNING id
+	INTO NEW.id;
+
+	RETURN NEW;
+END
+$BODY$;
+
+GRANT EXECUTE ON FUNCTION _api.follow_insert()
+	TO rest_user;
+GRANT INSERT ON TABLE api.follow
+	TO rest_user;
+GRANT INSERT ON TABLE admin.follow
+	TO rest_user;
+GRANT UPDATE ON TABLE sys.follow_id_seq
+	TO rest_user;
+
+CREATE TRIGGER api_follow_insert_trgr
+	INSTEAD OF INSERT
+			ON api.follow
+			FOR EACH ROW
+				EXECUTE PROCEDURE _api.follow_insert();