mirror of
https://github.com/StackExchange/dnscontrol.git
synced 2024-11-15 04:36:19 +08:00
45 lines
1.1 KiB
Go
45 lines
1.1 KiB
Go
package diff2
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import (
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"github.com/StackExchange/dnscontrol/v3/models"
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"github.com/StackExchange/dnscontrol/v3/pkg/prettyzone"
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)
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type recset struct {
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Key models.RecordKey
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Recs []*models.RecordConfig
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}
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func groupbyRSet(recs models.Records, origin string) []recset {
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if len(recs) == 0 {
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return nil
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}
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// Sort the NameFQDN to a consistent order. The actual sort methodology
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// doesn't matter as long as equal values are adjacent.
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// Use the PrettySort ordering so that the records are extra pretty.
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pretty := prettyzone.PrettySort(recs, origin, 0, nil)
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recs = pretty.Records
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var result []recset
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var acc []*models.RecordConfig
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// Do the first element
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prevkey := recs[0].Key()
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acc = append(acc, recs[0])
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for i := 1; i < len(recs); i++ {
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curkey := recs[i].Key()
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if prevkey == curkey { // A run of equal keys.
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acc = append(acc, recs[i])
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} else { // New key. Append old data to result and start new acc.
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result = append(result, recset{Key: prevkey, Recs: acc})
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acc = []*models.RecordConfig{recs[i]}
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}
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prevkey = curkey
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}
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result = append(result, recset{Key: prevkey, Recs: acc}) // The remainder
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return result
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}
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