xmpp好友请求5

实现好友请求

.m

#pragma mark - rosterHandle

// initRoster
- (void)initRoster {
    self.xmppRosterMemory = [[XMPPRosterMemoryStorage alloc] init];
    self.xmppRoster = [[XMPPRoster alloc] initWithRosterStorage:self.xmppRosterMemory];
    [_xmppRoster addDelegate:self delegateQueue:dispatch_get_main_queue()];
    [_xmppRoster activate:self.xmppStream];
}

- (void)addFriend: (NSString *)accountName {
    [_xmppRoster addUser:[XMPPJID jidWithString:[accountName stringByAppendingString:DOMAINS]] withNickname:nil];
}

- (void)removeFriend: (NSString *)accountName {
    [_xmppRoster removeUser:[XMPPJID jidWithString:[accountName stringByAppendingString:DOMAINS]]];
}

// call back
- (void)dealWithFriendAsk: (BOOL)isAgree
              accountName: (NSString *)accountName {
    XMPPJID * jid=[XMPPJID jidWithString:[NSString stringWithFormat:@"%@%@",accountName,DOMAINS]];
    if(isAgree){
        [self.xmppRoster acceptPresenceSubscriptionRequestFrom:jid andAddToRoster:NO];
    }else{
        [self.xmppRoster rejectPresenceSubscriptionRequestFrom:jid];
    }

}

#pragma mark addFriendDelegateMethods
- (void)xmppRoster:(XMPPRoster *)sender didReceivePresenceSubscriptionRequest:(XMPPPresence *)presence {
    
    NSString *presenceFromUser =[NSString stringWithFormat:@"%@", [[presence from] user]];
    if (self.acceptOrDenyFriend != nil) {
        BOOL isAgree = self.acceptOrDenyFriend(presenceFromUser);
        [self dealWithFriendAsk:isAgree accountName:presenceFromUser];
    }
}

@end

.h

/*!
 *  @Author Dylan.
 *
 *  addRoster.
 */
// if you want to deny or add friend. please call this block
@property (nonatomic, copy) BOOL (^acceptOrDenyFriend) (NSString *);
@property (nonatomic, strong) XMPPRoster * xmppRoster;

/*!
 *  @Author Dylan. Methods
 */
- (void)addFriend: (NSString *)accountName;
- (void)removeFriend: (NSString *)accountName;