package types import ( "mime" "path/filepath" "strings" "time" ) type Info struct { Keywords []string // tags Ip string // who uploaded it Random int64 TimeStamp time.Time "timestamp,omitempty" } type File struct { Metadata Info ",omitempty" Md5 string ChunkSize int UploadDate time.Time Length uint64 Filename string ",omitempty" } // ContentType guesses the mime-type by the file's extension func (f *File) ContentType() string { return mime.TypeByExtension(filepath.Ext(f.Filename)) } func (f *File) IsImage() bool { return strings.HasPrefix(f.ContentType(), "image") } func (f *File) IsVideo() bool { return strings.HasPrefix(f.ContentType(), "video") } func (f *File) IsAudio() bool { return strings.HasPrefix(f.ContentType(), "audio") } // IdCount structure used for collecting values for a tag cloud type IdCount struct { Id string "_id" Value int Root string }