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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,184 @@ | ||
| package model | ||
|
|
||
| import ( | ||
| "github.com/dustin/go-humanize" | ||
| "io" | ||
| "os" | ||
| "path/filepath" | ||
| "runtime" | ||
| "runtime/debug" | ||
| "strings" | ||
| "sync" | ||
| "time" | ||
|
|
||
| "github.com/88250/gulu" | ||
| "github.com/panjf2000/ants/v2" | ||
| "github.com/siyuan-note/logging" | ||
| "github.com/siyuan-note/siyuan/kernel/cache" | ||
| "github.com/siyuan-note/siyuan/kernel/util" | ||
| ) | ||
|
|
||
| func AutoOCRAssets() { | ||
| if !util.TesseractEnabled { | ||
| return | ||
| } | ||
|
|
||
| for { | ||
| autoOCRAssets() | ||
| time.Sleep(7 * time.Second) | ||
| } | ||
| } | ||
|
|
||
| func autoOCRAssets() { | ||
| defer logging.Recover() | ||
|
|
||
| assetsPath := util.GetDataAssetsAbsPath() | ||
| assets := getUnOCRAssetsAbsPaths() | ||
|
|
||
| poolSize := runtime.NumCPU() | ||
| if 4 < poolSize { | ||
| poolSize = 4 | ||
| } | ||
| waitGroup := &sync.WaitGroup{} | ||
| p, _ := ants.NewPoolWithFunc(poolSize, func(arg interface{}) { | ||
| defer waitGroup.Done() | ||
|
|
||
| assetAbsPath := arg.(string) | ||
| text := util.Tesseract(assetAbsPath) | ||
| p := strings.TrimPrefix(assetAbsPath, assetsPath) | ||
| p = "assets" + filepath.ToSlash(p) | ||
| util.AssetsTextsLock.Lock() | ||
| util.AssetsTexts[p] = text | ||
| util.AssetsTextsLock.Unlock() | ||
| util.AssetsTextsChanged = true | ||
| }) | ||
| for _, assetAbsPath := range assets { | ||
| waitGroup.Add(1) | ||
| p.Invoke(assetAbsPath) | ||
| } | ||
| waitGroup.Wait() | ||
| p.Release() | ||
|
|
||
| cleanNotFoundAssetsTexts() | ||
| } | ||
|
|
||
| func cleanNotFoundAssetsTexts() { | ||
| tmp := util.AssetsTexts | ||
|
|
||
| assetsPath := util.GetDataAssetsAbsPath() | ||
| var toRemoves []string | ||
| for asset, _ := range tmp { | ||
| assetAbsPath := strings.TrimPrefix(asset, "assets") | ||
| assetAbsPath = filepath.Join(assetsPath, assetAbsPath) | ||
| if !gulu.File.IsExist(assetAbsPath) { | ||
| toRemoves = append(toRemoves, asset) | ||
| } | ||
| } | ||
|
|
||
| util.AssetsTextsLock.Lock() | ||
| for _, asset := range toRemoves { | ||
| delete(util.AssetsTexts, asset) | ||
| util.AssetsTextsChanged = true | ||
| } | ||
| util.AssetsTextsLock.Unlock() | ||
| return | ||
| } | ||
|
|
||
| func getUnOCRAssetsAbsPaths() (ret []string) { | ||
| var assetsPaths []string | ||
| assets := cache.GetAssets() | ||
| for _, asset := range assets { | ||
| lowerName := strings.ToLower(asset.Path) | ||
| if !strings.HasSuffix(lowerName, ".png") && !strings.HasSuffix(lowerName, ".jpg") && !strings.HasSuffix(lowerName, ".jpeg") { | ||
| continue | ||
| } | ||
| assetsPaths = append(assetsPaths, asset.Path) | ||
| } | ||
|
|
||
| assetsPath := util.GetDataAssetsAbsPath() | ||
| assetsTextsTmp := util.AssetsTexts | ||
| for _, assetPath := range assetsPaths { | ||
| if _, ok := assetsTextsTmp[assetPath]; ok { | ||
| continue | ||
| } | ||
| absPath := filepath.Join(assetsPath, strings.TrimPrefix(assetPath, "assets")) | ||
| ret = append(ret, absPath) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func AutoFlushAssetsTexts() { | ||
| for { | ||
| SaveAssetsTexts() | ||
| time.Sleep(7 * time.Second) | ||
| } | ||
| } | ||
|
|
||
| func LoadAssetsTexts() { | ||
| assetsPath := util.GetDataAssetsAbsPath() | ||
| assetsTextsPath := filepath.Join(assetsPath, "ocr-texts.json") | ||
| if !gulu.File.IsExist(assetsTextsPath) { | ||
| return | ||
| } | ||
|
|
||
| start := time.Now() | ||
| var err error | ||
| fh, err := os.OpenFile(assetsTextsPath, os.O_RDWR, 0644) | ||
| if nil != err { | ||
| logging.LogErrorf("open assets texts failed: %s", err) | ||
| return | ||
| } | ||
| defer fh.Close() | ||
|
|
||
| data, err := io.ReadAll(fh) | ||
| if nil != err { | ||
| logging.LogErrorf("read assets texts failed: %s", err) | ||
| return | ||
| } | ||
|
|
||
| util.AssetsTextsLock.Lock() | ||
| if err = gulu.JSON.UnmarshalJSON(data, &util.AssetsTexts); nil != err { | ||
| logging.LogErrorf("unmarshal assets texts failed: %s", err) | ||
| if err = os.RemoveAll(assetsTextsPath); nil != err { | ||
| logging.LogErrorf("removed corrupted assets texts failed: %s", err) | ||
| } | ||
| return | ||
| } | ||
| util.AssetsTextsLock.Unlock() | ||
| debug.FreeOSMemory() | ||
|
|
||
| if elapsed := time.Since(start).Seconds(); 2 < elapsed { | ||
| logging.LogWarnf("read assets texts [%s] to [%s], elapsed [%.2fs]", humanize.Bytes(uint64(len(data))), assetsTextsPath, elapsed) | ||
| } | ||
| return | ||
| } | ||
|
|
||
| func SaveAssetsTexts() { | ||
| if !util.AssetsTextsChanged { | ||
| return | ||
| } | ||
|
|
||
| start := time.Now() | ||
|
|
||
| util.AssetsTextsLock.Lock() | ||
| data, err := gulu.JSON.MarshalIndentJSON(util.AssetsTexts, "", " ") | ||
| if nil != err { | ||
| logging.LogErrorf("marshal assets texts failed: %s", err) | ||
| return | ||
| } | ||
| util.AssetsTextsLock.Unlock() | ||
|
|
||
| assetsPath := util.GetDataAssetsAbsPath() | ||
| assetsTextsPath := filepath.Join(assetsPath, "ocr-texts.json") | ||
| if err = gulu.File.WriteFileSafer(assetsTextsPath, data, 0644); nil != err { | ||
| logging.LogErrorf("write assets texts failed: %s", err) | ||
| return | ||
| } | ||
| debug.FreeOSMemory() | ||
|
|
||
| if elapsed := time.Since(start).Seconds(); 2 < elapsed { | ||
| logging.LogWarnf("save assets texts [size=%s] to [%s], elapsed [%.2fs]", humanize.Bytes(uint64(len(data))), assetsTextsPath, elapsed) | ||
| } | ||
|
|
||
| util.AssetsTextsChanged = false | ||
| } |
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