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64 lines
1.5 KiB
64 lines
1.5 KiB
package main
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import (
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"sort"
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"strconv"
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"github.com/curusarn/resh/pkg/records"
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)
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type strategyRecordDistance struct {
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history []records.EnrichedRecord
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distParams records.DistParams
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maxDepth int
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label string
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}
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type strDistEntry struct {
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cmdLine string
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distance float64
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}
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func (s *strategyRecordDistance) init() {
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s.history = nil
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}
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func (s *strategyRecordDistance) GetTitleAndDescription() (string, string) {
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return "record distance (depth:" + strconv.Itoa(s.maxDepth) + ";" + s.label + ")", "Use record distance to recommend commands"
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}
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func (s *strategyRecordDistance) GetCandidates(strippedRecord records.EnrichedRecord) []string {
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if len(s.history) == 0 {
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return nil
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}
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var mapItems []strDistEntry
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for i, record := range s.history {
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if s.maxDepth != 0 && i > s.maxDepth {
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break
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}
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distance := record.DistanceTo(strippedRecord, s.distParams)
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mapItems = append(mapItems, strDistEntry{record.CmdLine, distance})
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}
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sort.SliceStable(mapItems, func(i int, j int) bool { return mapItems[i].distance < mapItems[j].distance })
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var hist []string
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histSet := map[string]bool{}
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for _, item := range mapItems {
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if histSet[item.cmdLine] {
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continue
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}
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histSet[item.cmdLine] = true
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hist = append(hist, item.cmdLine)
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}
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return hist
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}
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func (s *strategyRecordDistance) AddHistoryRecord(record *records.EnrichedRecord) error {
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// append record to front
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s.history = append([]records.EnrichedRecord{*record}, s.history...)
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return nil
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}
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func (s *strategyRecordDistance) ResetHistory() error {
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s.init()
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return nil
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}
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