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