My marriage is gonna fail😢

My husband threw his ring on the ground and left to his sisters.... We are a young married couple who just had a baby... I'm 6 weeks postpartum and have terrible postpartum depression. My husband has been dealing with his own stuff and has been distant. I have been dealing with my emotion all on my own and feel hopeless. It feels like I'm the only one in this. I opened up to my husband and told him I feel like he hasn't been there.for me through this hard time and he BLEW UP on me. He asked where have I beem.when.he needed me and I haven't been.there for him through his PTSD. (Trigger warning) a week after our baby was born my husband said he needed to get.our for a night. I told him to go even though I didn't want him too. He went out with his best friend of 12 years. That night my husband got raped by his best friend and his best friends brother. He came home with his shirt ripped and in tears. He told me what happened and was going to shower because he wanted to get the smell of them off of him, but I told him to bag his clothes and we need to report this. We are in a case right now. I know my husband is going through a lot and Maybe haven't been there like I should bu t I'm so depressed and feel so alone... My husband won't answer my calls and it's been an hour😭😭😭😳