package s3manager import ( "html/template" "net/http" "path" "path/filepath" "github.com/matryer/way" minio "github.com/minio/minio-go" "github.com/pkg/errors" ) // HandleBucketView shows the details page of a bucket. func HandleBucketView(s3 S3, tmplDir string) http.HandlerFunc { type objectWithIcon struct { Info minio.ObjectInfo Icon string } type pageData struct { BucketName string Objects []objectWithIcon } return func(w http.ResponseWriter, r *http.Request) { bucketName := way.Param(r.Context(), "bucketName") var objs []objectWithIcon doneCh := make(chan struct{}) defer close(doneCh) objectCh := s3.ListObjectsV2(bucketName, "", true, doneCh) for object := range objectCh { if object.Err != nil { handleHTTPError(w, errors.Wrap(object.Err, "error listing objects")) return } obj := objectWithIcon{Info: object, Icon: icon(object.Key)} objs = append(objs, obj) } data := pageData{ BucketName: bucketName, Objects: objs, } l := filepath.Join(tmplDir, "layout.html.tmpl") p := filepath.Join(tmplDir, "bucket.html.tmpl") t, err := template.ParseFiles(l, p) if err != nil { handleHTTPError(w, errors.Wrap(err, "error parsing template files")) return } err = t.ExecuteTemplate(w, "layout", data) if err != nil { handleHTTPError(w, errors.Wrap(err, "error executing template")) return } } } // icon returns an icon for a file type. func icon(fileName string) string { e := path.Ext(fileName) switch e { case ".tgz", ".gz": return "archive" case ".png", ".jpg", ".gif", ".svg": return "photo" case ".mp3", ".wav": return "music_note" } return "insert_drive_file" }