He was a friend before he was your husband. He'd been invited to family affairs before you were a couple. In fact, I vividly remember learning about your crush at a Quidditch party at the Burrow. Whether you are together or not, he had an obligation to come to Lily's funeral and he could have at least explained why he wasn't at the house warming. He did nothing
Rest assured that no invitations will be forthcoming and if you do get back, he will be tolerated because of you and not because he deserves it after what he's done.