session-ios/Session/Calls/Call Management/SessionCallManager+Action.swift

extension SessionCallManager {
    @discardableResult
    public func startCallAction() -> Bool {
        guard let call = self.currentCall else { return false }
        call.startSessionCall()
        return true
    }
    
    @discardableResult
    public func answerCallAction() -> Bool {
        guard let call = self.currentCall else { return false }
        if let _ = CurrentAppContext().frontmostViewController() as? CallVC {
            call.answerSessionCall()
        } else {
            guard let presentingVC = CurrentAppContext().frontmostViewController() else { return false } // FIXME: Handle more gracefully
            let callVC = CallVC(for: self.currentCall!)
            if let conversationVC = presentingVC as? ConversationVC {
                callVC.conversationVC = conversationVC
                conversationVC.inputAccessoryView?.isHidden = true
                conversationVC.inputAccessoryView?.alpha = 0
            }
            presentingVC.present(callVC, animated: true) {
                call.answerSessionCall()
            }
        }
        return true
    }
    
    @discardableResult
    public func endCallAction() -> Bool {
        guard let call = self.currentCall else { return false }
        call.endSessionCall()
        if call.didTimeout {
            reportCurrentCallEnded(reason: .unanswered)
        } else {
            reportCurrentCallEnded(reason: nil)
        }
        return true
    }
    
    @discardableResult
    public func setMutedCallAction(isMuted: Bool) -> Bool {
        guard let call = self.currentCall else { return false }
        call.isMuted = isMuted
        return true
    }
}