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delver.go
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delver.go
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package main
import (
"context"
"fmt"
"net/url"
"path"
"strings"
"github.com/koluku/s3s"
"github.com/ktr0731/go-fuzzyfinder"
"github.com/pkg/errors"
)
func pathDelver(ctx context.Context, client *s3s.Client, paths []string) ([]string, error) {
if len(paths) == 0 {
path, err := delveBucketList(ctx, client)
if err != nil {
return nil, errors.WithStack(err)
}
paths = []string{path}
} else {
u, err := url.Parse(paths[0])
if err != nil {
return nil, errors.WithStack(err)
}
var bucket, prefix string
bucket = u.Hostname()
prefix = strings.TrimPrefix(u.Path, "/")
path, err := delvePrefix(ctx, client, bucket, prefix)
if err != nil {
return nil, errors.WithStack(err)
}
paths = []string{path}
}
return paths, nil
}
func delveBucketList(ctx context.Context, client *s3s.Client) (string, error) {
buckets, err := client.GetS3Bucket(ctx)
if err != nil {
return "", errors.WithStack(err)
}
index, err := fuzzyfinder.Find(
buckets,
func(i int) string {
return buckets[i]
},
)
if err != nil {
return "", errors.WithStack(err)
}
return delvePrefix(ctx, client, buckets[index], "")
}
func delvePrefix(ctx context.Context, client *s3s.Client, bucket string, prefix string) (string, error) {
s3Dirs, err := client.GetS3Dir(ctx, bucket, prefix)
if err != nil {
return "", errors.WithStack(err)
}
current := fmt.Sprintf("Query↵ (%s/%s)", bucket, prefix)
parent := "←Back upper path"
s3Dirs = append([]string{parent, current}, s3Dirs...)
index, err := fuzzyfinder.Find(
s3Dirs,
func(i int) string {
switch i {
case 0:
return parent
case 1:
return current
default:
return bucket + "/" + s3Dirs[i]
}
},
)
if err != nil {
return "", errors.WithStack(err)
}
switch index {
case 0:
parent = path.Join(prefix, "../")
if parent == "." {
return delvePrefix(ctx, client, bucket, "")
}
if parent == ".." {
return delveBucketList(ctx, client)
}
return delvePrefix(ctx, client, bucket, parent+"/")
case 1:
return fmt.Sprintf("s3://%s/%s", bucket, prefix), nil
default:
return delvePrefix(ctx, client, bucket, s3Dirs[index])
}
}