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package admin
import (
"bytes"
"log"
"os"
"path/filepath"
"gopkg.in/yaml.v3"
)
func readYAMLFile(dataDir, subdir, id string) ([]byte, string, error) {
path := filepath.Join(dataDir, subdir, id+".yaml")
data, err := os.ReadFile(path)
return data, path, err
}
func writeYAMLFile(path string, data any) ([]byte, error) {
var buf bytes.Buffer
enc := yaml.NewEncoder(&buf)
enc.SetIndent(2)
if err := enc.Encode(data); err != nil {
return nil, err
}
enc.Close()
content := buf.Bytes()
if err := os.WriteFile(path, content, 0644); err != nil {
return nil, err
}
return content, nil
}
func findYAMLFileInSubdirs(dataDir, subdir, id string) ([]byte, string, error) {
base := filepath.Join(dataDir, subdir)
entries, err := os.ReadDir(base)
if err != nil {
return nil, "", err
}
for _, e := range entries {
fullPath := filepath.Join(base, e.Name(), id+".yaml")
if data, err := os.ReadFile(fullPath); err == nil {
return data, fullPath, nil
}
subPath := filepath.Join(base, e.Name())
subEntries, err := os.ReadDir(subPath)
if err != nil {
continue
}
for _, se := range subEntries {
fullPath := filepath.Join(subPath, se.Name(), id+".yaml")
if data, err := os.ReadFile(fullPath); err == nil {
return data, fullPath, nil
}
}
}
return nil, "", os.ErrNotExist
}
func listYAMLFiles(dataDir, subdir string) ([]string, error) {
var ids []string
base := filepath.Join(dataDir, subdir)
entries, err := os.ReadDir(base)
if err != nil {
return nil, err
}
for _, e := range entries {
if !e.IsDir() && filepath.Ext(e.Name()) == ".yaml" {
ids = append(ids, e.Name()[:len(e.Name())-5])
}
}
for _, e := range entries {
if e.IsDir() {
subPath := filepath.Join(base, e.Name())
subEntries, err := os.ReadDir(subPath)
if err != nil {
continue
}
for _, se := range subEntries {
if !se.IsDir() && filepath.Ext(se.Name()) == ".yaml" {
ids = append(ids, se.Name()[:len(se.Name())-5])
}
}
}
}
return ids, nil
}
func listYAMLFilesDeep(dataDir, subdir string) ([]string, error) {
var ids []string
base := filepath.Join(dataDir, subdir)
err := filepath.WalkDir(base, func(path string, d os.DirEntry, err error) error {
if err != nil {
return err
}
if !d.IsDir() && filepath.Ext(d.Name()) == ".yaml" {
rel, _ := filepath.Rel(base, path)
id := rel[:len(rel)-5]
ids = append(ids, id)
}
return nil
})
return ids, err
}
func backupFile(path string) []byte {
data, err := os.ReadFile(path)
if err != nil {
log.Printf("backup: failed to read %s: %v", path, err)
return nil
}
return data
}
func snapshotFile(path string) ([]byte, error) {
return os.ReadFile(path)
}
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