47 lines
614 B
Go
47 lines
614 B
Go
|
package main
|
||
|
|
|
||
|
|
import (
|
||
|
|
"time"
|
||
|
|
)
|
||
|
|
|
||
|
|
func combine(x, y Change) Change {
|
||
|
|
x.Count++
|
||
|
|
if x.Body == "" {
|
||
|
|
x.Body = y.Body
|
||
|
|
} else {
|
||
|
|
x.Body += " " + y.Body
|
||
|
|
}
|
||
|
|
x.EndDate = y.Date
|
||
|
|
|
||
|
|
return x
|
||
|
|
}
|
||
|
|
|
||
|
|
func changeEqual(x, y Change) bool {
|
||
|
|
return x.Page == y.Page && x.Date.Truncate(24*time.Hour) == y.Date.Truncate(24*time.Hour)
|
||
|
|
}
|
||
|
|
|
||
|
|
func groupRecentChanges(changes []Change) int {
|
||
|
|
if len(changes) <= 1 {
|
||
|
|
return 0
|
||
|
|
}
|
||
|
|
|
||
|
|
f := len(changes) - 1
|
||
|
|
i := f - 1
|
||
|
|
|
||
|
|
for {
|
||
|
|
if changeEqual(changes[f], changes[i]) {
|
||
|
|
changes[f] = combine(changes[f], changes[i])
|
||
|
|
} else {
|
||
|
|
f--
|
||
|
|
}
|
||
|
|
|
||
|
|
if i <= 0 {
|
||
|
|
break
|
||
|
|
}
|
||
|
|
|
||
|
|
i--
|
||
|
|
}
|
||
|
|
|
||
|
|
return f
|
||
|
|
}
|