package metajson import ( "bytes" "encoding/json" "time" "github.com/andreimarcu/linx-server/backends" ) type MetadataJSON struct { DeleteKey string `json:"delete_key"` Sha256sum string `json:"sha256sum"` Mimetype string `json:"mimetype"` Size int64 `json:"size"` Expiry int64 `json:"expiry"` ArchiveFiles []string `json:"archive_files,omitempty"` } type MetaJSONBackend struct { storage backends.MetaStorageBackend } func (m MetaJSONBackend) Put(key string, metadata *backends.Metadata) error { mjson := MetadataJSON{} mjson.DeleteKey = metadata.DeleteKey mjson.Mimetype = metadata.Mimetype mjson.ArchiveFiles = metadata.ArchiveFiles mjson.Sha256sum = metadata.Sha256sum mjson.Expiry = metadata.Expiry.Unix() mjson.Size = metadata.Size byt, err := json.Marshal(mjson) if err != nil { return err } if _, err := m.storage.Put(key, bytes.NewBuffer(byt)); err != nil { return err } return nil } func (m MetaJSONBackend) Get(key string) (metadata backends.Metadata, err error) { b, err := m.storage.Get(key) if err != nil { return metadata, backends.BadMetadata } mjson := MetadataJSON{} err = json.Unmarshal(b, &mjson) if err != nil { return metadata, backends.BadMetadata } metadata.DeleteKey = mjson.DeleteKey metadata.Mimetype = mjson.Mimetype metadata.ArchiveFiles = mjson.ArchiveFiles metadata.Sha256sum = mjson.Sha256sum metadata.Expiry = time.Unix(mjson.Expiry, 0) metadata.Size = mjson.Size return } func NewMetaJSONBackend(storage backends.MetaStorageBackend) MetaJSONBackend { return MetaJSONBackend{storage: storage} }