func loadUserPosts()

in FriendlyPix/FPHashTagViewController.swift [72:96]

• 25 lines of code
• 5 McCabe index (conditional complexity)

  func loadUserPosts() {
    database.reference(withPath: "hashtags/\(hashtag.lowercased())").observeSingleEvent(of: .value, with: {
      if var posts = $0.value as? [String: Any] {
        if !self.postSnapshots.isEmpty {
          var index = self.postSnapshots.count - 1
          self.collectionView?.performBatchUpdates({
            for post in self.postSnapshots.reversed() {
              if posts.removeValue(forKey: post.key) == nil {
                self.postSnapshots.remove(at: index)
                self.collectionView?.deleteItems(at: [IndexPath(item: index, section: 0)])
                return
              }
              index -= 1
            }
          }, completion: nil)
          self.postIds = posts
          self.loadingPostCount = posts.count
        } else {
          self.postIds = posts
          self.loadFeed()
        }
        self.registerForPostsDeletion()
      }
    })
  }