UserRef.h

// Copyright 2022 Stream.IO, Inc. All Rights Reserved.
 
#pragma once
 
#include "CoreMinimal.h"
 
#include "UserRef.generated.h"
 
class UUserManager;
struct FUser;
 
DECLARE_DYNAMIC_MULTICAST_DELEGATE(FUserUpdatedMultiDelegate);
 
USTRUCT(BlueprintType)
struct STREAMCHAT_API FUserRef
{
    GENERATED_BODY()
 
    
    FUserRef();
 
    const FUser& GetUser() const;
    const FUser& operator*() const;
    const FUser* operator->() const;
 
    bool operator==(const FUserRef&) const;
    bool operator!=(const FUserRef&) const;
    friend uint32 GetTypeHash(const FUserRef& U);
 
    bool IsValid() const;
 
    bool IsCurrent() const;
 
    FUserUpdatedMultiDelegate& OnUpdate() const;
 
protected:
    UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = Defaults)
    FString UserId;
 
private:
    friend UUserManager;
 
    FUserRef(const FString& UserId, UUserManager*);
 
    UPROPERTY(Transient)
    mutable UUserManager* Manager = nullptr;
};