From 9b3993f477eb8c1aafa34ae43106b9a76e4f684f Mon Sep 17 00:00:00 2001
From: Zack Scholl <zack.scholl@gmail.com>
Date: Wed, 10 Feb 2016 15:38:55 -0500
Subject: [PATCH] Faster versioning

Former-commit-id: c16b386fb5649469554fa0c524da25a96f847b1c [formerly c720f4fe0bad6b5cdcdbf2ca5ebce0455f00c0c2] [formerly 17516532eebffed40114514481265e609d36ca45 [formerly 1b8565dee8c4087486e74f2ede374e243bdf35f7 [formerly 011bbba9ebcb8da3336655702da3aa20e7169469]]]
Former-commit-id: c62552a2564a20eaa2bb29d8fe73597f9bcc1538 [formerly afd5541621b6cc04e9f4a311f95f1f6763dfc3a4]
Former-commit-id: 5c3bc27d7dff61fea4f7d1634d6a5c13ec17bba2
Former-commit-id: 9d3ed7917bc766495e99337f21972520a86091e2
---
 utils.go | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/utils.go b/utils.go
index 3515297..5b46f30 100644
--- a/utils.go
+++ b/utils.go
@@ -1,6 +1,7 @@
 package main
 
 import (
+	"log"
 	"math/rand"
 	"sort"
 	"strings"
@@ -107,15 +108,16 @@ func diffRebuildtexts(diffs []diffmatchpatch.Diff) []string {
 	return text
 }
 
+func timeTrack(start time.Time, name string) {
+	elapsed := time.Since(start)
+	log.Printf("%s took %s", name, elapsed)
+}
+
 func getImportantVersions(p WikiData) []versionsInfo {
+	defer timeTrack(time.Now(), "getImportantVersions")
 	m := map[int]int{}
-	dmp := diffmatchpatch.New()
-	lastText := ""
 	lastTime := time.Now().AddDate(0, -1, 0)
-	for i, diff := range p.Diffs {
-		seq1, _ := dmp.DiffFromDelta(lastText, diff)
-		texts_linemode := diffRebuildtexts(seq1)
-		rebuilt := texts_linemode[len(texts_linemode)-1]
+	for i, _ := range p.Diffs {
 		parsedTime, _ := time.Parse(time.ANSIC, p.Timestamps[i])
 		duration := parsedTime.Sub(lastTime)
 		m[i] = int(duration.Seconds())
@@ -123,7 +125,6 @@ func getImportantVersions(p WikiData) []versionsInfo {
 			m[i-1] = m[i]
 		}
 		// On to the next one
-		lastText = rebuilt
 		lastTime = parsedTime
 	}