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File size: 2,618 Bytes
9f069df | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 | package main
import (
"bufio"
"encoding/json"
"errors"
"fmt"
"io"
"os"
"path/filepath"
"sort"
"strings"
)
type TMEntry struct {
CacheKey string `json:"cache_key"`
SegmentID string `json:"segment_id"`
SourcePath string `json:"source_path"`
TextHash string `json:"text_hash"`
Text string `json:"text"`
Translated string `json:"translated"`
Provider string `json:"provider"`
Model string `json:"model"`
SrcLang string `json:"src_lang"`
TgtLang string `json:"tgt_lang"`
UpdatedAt string `json:"updated_at"`
}
type TranslationMemory struct {
path string
entries map[string]TMEntry
}
func LoadTranslationMemory(path string) (*TranslationMemory, error) {
tm := &TranslationMemory{path: path, entries: map[string]TMEntry{}}
file, err := os.Open(path)
if err != nil {
if errors.Is(err, os.ErrNotExist) {
return tm, nil
}
return nil, err
}
defer file.Close()
reader := bufio.NewReader(file)
for {
line, err := reader.ReadBytes('\n')
if len(line) > 0 {
trimmed := strings.TrimSpace(string(line))
if trimmed != "" {
var entry TMEntry
if err := json.Unmarshal([]byte(trimmed), &entry); err != nil {
return nil, fmt.Errorf("translation memory decode failed: %w", err)
}
if entry.CacheKey != "" {
tm.entries[entry.CacheKey] = entry
}
}
}
if err != nil {
if errors.Is(err, io.EOF) {
break
}
return nil, err
}
}
return tm, nil
}
func (tm *TranslationMemory) Get(cacheKey string) (TMEntry, bool) {
entry, ok := tm.entries[cacheKey]
return entry, ok
}
func (tm *TranslationMemory) Put(entry TMEntry) {
if entry.CacheKey == "" {
return
}
tm.entries[entry.CacheKey] = entry
}
func (tm *TranslationMemory) Save() error {
if tm.path == "" {
return nil
}
if err := os.MkdirAll(filepath.Dir(tm.path), 0o755); err != nil {
return err
}
tmpPath := tm.path + ".tmp"
file, err := os.Create(tmpPath)
if err != nil {
return err
}
keys := make([]string, 0, len(tm.entries))
for key := range tm.entries {
keys = append(keys, key)
}
sort.Strings(keys)
writer := bufio.NewWriter(file)
for _, key := range keys {
entry := tm.entries[key]
payload, err := json.Marshal(entry)
if err != nil {
_ = file.Close()
return err
}
if _, err := writer.Write(payload); err != nil {
_ = file.Close()
return err
}
if _, err := writer.WriteString("\n"); err != nil {
_ = file.Close()
return err
}
}
if err := writer.Flush(); err != nil {
_ = file.Close()
return err
}
if err := file.Close(); err != nil {
return err
}
return os.Rename(tmpPath, tm.path)
}
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