func populateContent()

in FriendlyPix/FPCardCollectionViewCell.swift [82:183]
98 lines of code
12 McCabe index (conditional complexity)

  func populateContent(post: FPPost, index: Int, isDryRun: Bool) {
    if Auth.auth().currentUser!.isAnonymous {
      likeButton.isEnabled = false
    }
    self.post = post
    let postAuthor = post.author
    if !isDryRun, let profilePictureURL = postAuthor.profilePictureURL {
      UIImage.circleImage(with: profilePictureURL, to: authorImageView)
      authorImageView.accessibilityLabel = postAuthor.fullname
    }
    authorLabel.text = postAuthor.fullname
    dateLabel.text = post.postDate.timeAgo()
    postImageView.tag = index
    if !isDryRun {
      let trace = Performance.startTrace(name: "post_load")
      postImageView?.sd_setImage(with: post.thumbURL, completed: { image, error, cacheType, url in
        trace?.incrementMetric(self.convertCacheTypeToString(cacheType), by: 1)
        trace?.stop()
      })
      postImageView.accessibilityLabel = "Photo by \(postAuthor.fullname)"
    }

    let title = NSMutableAttributedString(string: postAuthor.fullname + " ", attributes: attributes)
    let attrString = NSMutableAttributedString(string: post.text)
    let regex = try? NSRegularExpression(pattern: "(#[a-zA-Z0-9_\\p{Arabic}\\p{N}]*)", options: [])
    if let matches = regex?.matches(in: post.text, options:[], range:NSMakeRange(0, post.text.count)) {
      for match in matches {
        attrString.addAttribute(NSAttributedString.Key.link, value: (post.text as NSString).substring(with: match.range), range: match.range)
        attrString.addAttribute(NSAttributedString.Key.foregroundColor, value: UIColor.blue , range: match.range)
      }
    }
    title.append(attrString)
    title.addAttribute(.paragraphStyle, value: MDCSelfSizingStereoCell.paragraphStyle, range: NSMakeRange(0, title.length))
    titleLabel.attributedText = title
    titleLabel.accessibilityLabel = "\(post.text), posted by \(postAuthor.fullname)"

    titleLabel.addGestureRecognizer(UITapGestureRecognizer(target: self,
                                                            action: #selector(handleTapOnProfileLabel(recognizer:))))
    likesLabel.text = post.likeCount == 1 ? "1 like" : "\(post.likeCount) likes"
    likesLabel.font = UIFont.mdc_preferredFont(forMaterialTextStyle: .body2)
    if post.isLiked {
      likeButton.setImage(#imageLiteral(resourceName: "ic_favorite"), for: .normal)
      likeButton.accessibilityLabel = "you liked this post"
      likeButton.accessibilityHint = "double-tap to unlike"
    } else {
      likeButton.setImage(#imageLiteral(resourceName: "ic_favorite_border"), for: .normal)
      likeButton.accessibilityLabel = "you haven't liked this post"
      likeButton.accessibilityHint = "double-tap to like"
    }

    if labelConstraints != nil {
      NSLayoutConstraint.deactivate(labelConstraints)
      labelConstraints = nil
    }

    let betweenConstant: CGFloat = 2
    let bottomConstant: CGFloat = 12
    let commentCount = post.comments.count
    switch commentCount {
    case 0:
      labelConstraints = [contentView.bottomAnchor.constraint(equalTo: titleLabel.bottomAnchor,
                                                              constant: bottomConstant)]
      viewAllCommentsLabel.isHidden = true
      comment1Label.isHidden = true
      comment1Label.text = nil
      comment2Label.isHidden = true
      comment2Label.text = nil
    case 1:
      labelConstraints = [comment1Label.topAnchor.constraint(equalTo: titleLabel.bottomAnchor,
                                                             constant: betweenConstant),
                          contentView.bottomAnchor.constraint(equalTo: comment1Label.bottomAnchor,
                                                              constant: bottomConstant)]
      viewAllCommentsLabel.isHidden = true
      attributeComment(index: 0)
      comment2Label.isHidden = true
      comment2Label.text = nil
    case 2:
      labelConstraints = [comment1Label.topAnchor.constraint(equalTo: titleLabel.bottomAnchor,
                                                             constant: betweenConstant),
                          comment2Label.topAnchor.constraint(equalTo: comment1Label.bottomAnchor,
                                                             constant: betweenConstant),
                          contentView.bottomAnchor.constraint(equalTo: comment2Label.bottomAnchor,
                                                              constant: bottomConstant)]
      viewAllCommentsLabel.isHidden = true
      attributeComment(index: 0)
      attributeComment(index: 1)
    default:
      labelConstraints = [viewAllCommentsLabel.topAnchor.constraint(equalTo: titleLabel.bottomAnchor,
                                                             constant: betweenConstant),
                          comment1Label.topAnchor.constraint(equalTo: viewAllCommentsLabel.bottomAnchor,
                                                                       constant: betweenConstant),
                          comment2Label.topAnchor.constraint(equalTo: comment1Label.bottomAnchor,
                                                             constant: betweenConstant),
                          contentView.bottomAnchor.constraint(equalTo: comment2Label.bottomAnchor,
                                                            constant: bottomConstant)]
      viewAllCommentsLabel.isHidden = false
      viewAllCommentsLabel.setTitle("View all \(commentCount) comments", for: .normal)
      attributeComment(index: 0)
      attributeComment(index: 1)
    }
    NSLayoutConstraint.activate(labelConstraints)
  }