func LoadComments(review differentialReview, readTransactions ReadTransactions, readTransactionComment ReadTransactionComment, lookupUser UserLookup) []comment.Comment {

	allTransactions, err := readTransactions(review.PHID)
	if err != nil {
		log.Fatal(err)
	}
	var comments []comment.Comment
	commentsByPHID := make(map[string]comment.Comment)
	rejectionCommentsByUser := make(map[string][]string)

	log.Printf("LOADCOMMENTS: Returning %d transactions", len(allTransactions))
	for _, transaction := range allTransactions {
		author, err := lookupUser(transaction.AuthorPHID)
		if err != nil {
			log.Fatal(err)
		}
		c := comment.Comment{
			Author:    author.Email,
			Timestamp: fmt.Sprintf("%d", transaction.DateCreated),
		}
		if author.Email != "" {
			c.Author = author.Email
		} else {
			c.Author = author.UserName
		}

		if transaction.CommentPHID != nil {
			transactionComment, err := readTransactionComment(transaction.PHID)
			if err != nil {
				log.Fatal(err)
			}
			if transactionComment.FileName != "" {
				c.Location = &comment.CommentLocation{
					Commit: transactionComment.Commit,
					Path:   transactionComment.FileName,
				}
				if transactionComment.LineNumber != 0 {
					c.Location.Range = &comment.CommentRange{
						StartLine: transactionComment.LineNumber,
					}
				}
			}
			c.Description = transactionComment.Content
			if transactionComment.ReplyToCommentPHID != nil {
				// We assume that the parent has to have been processed before the child,
				// and enforce that by ordering the transactions in our queries.
				if replyTo, ok := commentsByPHID[*transactionComment.ReplyToCommentPHID]; ok {
					parentHash, err := replyTo.Hash()
					if err != nil {
						log.Fatal(err)
					}
					c.Parent = parentHash
				}
			}
		}

		// Set the resolved bit based on whether the change was approved or not.
		if transaction.Type == "differential:action" && transaction.NewValue != nil {
			action := *transaction.NewValue
			var resolved bool
			if action == "\"accept\"" {
				resolved = true
				c.Resolved = &resolved

				// Add child comments to all previous rejects by this user and make them accepts
				for _, rejectionCommentHash := range rejectionCommentsByUser[author.UserName] {
					approveComment := comment.Comment{
						Author:    c.Author,
						Timestamp: c.Timestamp,
						Resolved:  &resolved,
						Parent:    rejectionCommentHash,
					}
					comments = append(comments, approveComment)
					log.Printf("LOADCOMMENTS: Received approval. Adding child comment %v with parent hash %x", approveComment, rejectionCommentHash)
				}
			} else if action == "\"reject\"" {
				resolved = false
				c.Resolved = &resolved
			}

		}

		// Phabricator only publishes inline comments when you publish a top-level comment.
		// This results in a lot of empty top-level comments, which we do not want to mirror.
		// To work around this, we only return comments that are non-empty.
		if c.Parent != "" || c.Location != nil || c.Description != "" || c.Resolved != nil {
			comments = append(comments, c)
			commentsByPHID[transaction.PHID] = c

			//If this was a rejection comment, add it to ordered comment hash
			if c.Resolved != nil && *c.Resolved == false {
				commentHash, err := c.Hash()
				if err != nil {
					log.Fatal(err)
				}
				log.Printf("LOADCOMMENTS: Received rejection. Adding comment %v with hash %x", c, commentHash)
				rejectionCommentsByUser[author.UserName] = append(rejectionCommentsByUser[author.UserName], commentHash)
			}

		}
	}

	log.Printf("LOADCOMMENTS: Returning %d comments", len(comments))
	return comments
}
func getHash(c comment.Comment) string {
	cHash, error := c.Hash()
	if error != nil {
	}
	return cHash
}