When the door of happiness, I found my outside shopping = =

你这句话是个病句,前面少了一个谓语,比如When the door of happiness closes 或者 opens 表示 “当幸福之门 关上 或者 打开”的意思.后面就完全不能看懂,“我发现自己再外面购物”.字面翻译.自己琢磨琢磨
那就是：
When the happiness got my door,I was shopping outside.