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txt_file.go
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/
txt_file.go
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package main
import (
"encoding/xml"
"os"
"path/filepath"
"sort"
"strings"
)
func readLastSiteLog(dir, code string) (*SiteLog, error) {
var files []string
// check existing files
if err := filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
if err != nil {
return err
}
if info.IsDir() {
return nil
}
if filepath.Ext(path) != ".xml" {
return nil
}
if !strings.Contains(filepath.Base(path), "_") {
return nil
}
if !strings.HasPrefix(filepath.Base(path), strings.ToLower(code)) {
return nil
}
files = append(files, path)
return nil
}); err != nil {
return nil, err
}
sort.Slice(files, func(i, j int) bool {
return filepath.Base(files[i]) < filepath.Base(files[j])
})
if n := len(files); n > 0 {
raw, err := os.ReadFile(files[n-1])
if err != nil {
return nil, err
}
var last SiteLogInput
if err := xml.Unmarshal(raw, &last); err != nil {
return nil, err
}
return last.SiteLog(), nil
}
return nil, nil
}