Purge command to remove missing files from the index #234

Signed-off-by: Michael Mayer <michael@liquidbytes.net>

internal/commands/purge.go

@@ -0,0 +1,78 @@
+package commands
+
+import (
+	"context"
+	"path/filepath"
+	"strings"
+	"time"
+
+	"github.com/photoprism/photoprism/internal/config"
+	"github.com/photoprism/photoprism/internal/photoprism"
+	"github.com/photoprism/photoprism/internal/service"
+	"github.com/photoprism/photoprism/pkg/fs"
+	"github.com/photoprism/photoprism/pkg/txt"
+	"github.com/urfave/cli"
+)
+
+// PurgeCommand is used to register the index cli command
+var PurgeCommand = cli.Command{
+	Name:   "purge",
+	Usage:  "Removes missing files from search results",
+	Flags:  purgeFlags,
+	Action: purgeAction,
+}
+
+var purgeFlags = []cli.Flag{
+	cli.BoolFlag{
+		Name:  "hard",
+		Usage: "delete all data and permanently remove from index",
+	},
+}
+
+// purgeAction removes missing files from search results
+func purgeAction(ctx *cli.Context) error {
+	start := time.Now()
+
+	conf := config.NewConfig(ctx)
+	service.SetConfig(conf)
+
+	cctx, cancel := context.WithCancel(context.Background())
+	defer cancel()
+	if err := conf.Init(cctx); err != nil {
+		return err
+	}
+
+	conf.InitDb()
+
+	// get cli first argument
+	subPath := strings.TrimSpace(ctx.Args().First())
+
+	if subPath == "" {
+		log.Infof("purging missing files in %s", txt.Quote(filepath.Base(conf.OriginalsPath())))
+	} else {
+		log.Infof("purging missing files in %s", txt.Quote(fs.RelativeName(filepath.Join(conf.OriginalsPath(), subPath), filepath.Dir(conf.OriginalsPath()))))
+	}
+
+	if conf.ReadOnly() {
+		log.Infof("read-only mode enabled")
+	}
+
+	prg := service.Purge()
+
+	opt := photoprism.PurgeOptions{
+		Path: subPath,
+		Hard: ctx.Bool("hard"),
+	}
+
+	if files, photos, err := prg.Start(opt); err != nil {
+		return err
+	} else {
+		elapsed := time.Since(start)
+
+		log.Infof("purged %d files and %d photos in %s", len(files), len(photos), elapsed)
+	}
+
+	conf.Shutdown()
+
+	return nil
+}