Fireview就像tableview单元格中的系统一样-Firebaselikesysteminsidetableviewcell

2  

This is my functions and work around to handle likes:

这是我的功能，并努力处理喜欢：

class Cell: UITableViewCell {

    var liked = 0
    var likes: [String] = []
    var likeCounter = 0

    func readLikeStatus() {
        if liked == 0 {
            likeButton.setImage(UIImage(named: "unlike"), forState: .Normal)
            likeButton.setTitle("", forState: .Normal)
            likeLabel.text = "\(likeCounter) Likes"

        } else {
            likeButton.setImage(UIImage(named: "like"), forState: .Normal)
            likeButton.setTitle("", forState: .Normal)
            likeLabel.text = "\(likeCounter) Likes"
        }           
    }

    @IBAction func likeButton(sender: AnyObject) {

        if liked == 0 {

            likeTweet()
            liked = 1
            likeCounter = likeCounter + 1
            readLikeStatus()

        } else if liked == 1 {

            unlikeTweet()
            liked = 0
            likeCounter = likeCounter - 1
            readLikeStatus()

        }
    }

    func likeTweet() {
        let userID = [backendless.userService.currentUser.objectId: backendless.userService.currentUser.objectId]
        let usersRef = firebase.child("DeejayTweets").child(passedDJ.objectId).child(tweetID).child("likes")
        usersRef.updateChildValues(userID)
    }

    func unlikeTweet() {
        let userID = backendless.userService.currentUser.objectId
        let usersRef = firebase.child("DeejayTweets").child(passedDJ.objectId).child(tweetID).child("likes")
        usersRef.child(userID).removeValue()
    }

    func bindData(post: Tweet, indexPath: NSIndexPath, commentCount: NSMutableDictionary, avatare: NSMutableDictionary) {
        likeButton.setImage(UIImage(named: "unlike"), forState: .Normal)
        likeButton.setTitle("", forState: .Normal)
        liked = 0

        setLike(post, indexPath: indexPath, commentCount: commentCount, avatare: avatare)
     }

     func setLike(post: Tweet, indexPath: NSIndexPath, commentCount: NSMutableDictionary, avatare: NSMutableDictionary) {

        //SET IF TWEET IS LIKED
        if post.likes.contains(backendless.userService.currentUser.objectId) {
            likeButton.setImage(UIImage(named: "like"), forState: .Normal)
            likeButton.setTitle("", forState: .Normal)
            liked = 1
         }

         //SET LIKE COUNTER


         if post.likes.count == 1 {
            likeLabel.text = "0 Likes"
            likeCounter = 0
         } else if post.likes.count == 1 {
            likeLabel.text = "\(post.likes.count - 1) Like"
            likeCounter = 1
         } else {
            likeLabel.text = "\(post.likes.count - 1) Likes"
            likeCounter = 1
        }
     }

To call everything:

打电话给一切：

class ViewController: UIViewController.... {

    func tableView(tableView: UITableView, cellForRowAtIndexPath indexPath: NSIndexPath) -> UITableViewCell {

            let cell = tableView.dequeueReusableCellWithIdentifier("cell", forIndexPath: indexPath) as! Cell
            let post = tweets[indexPath.row]

            cell.bindData(post, indexPath: indexPath, commentCount: commentCount, avatare: avatare)

            return cell
    }

And in my firebase I handle everything like this:

在我的火力基地里，我处理这样的事情：

I'm not saying, that this is the world's best practise, but it is working and might give you the idea of how to handle this.

我不是说，这是世界上最好的做法，但它正在发挥作用，可能会让你知道如何处理这个问题。