func (spotify *Spotify) persistWebApiCache(webApiCache *WebApiCache) {
if b, err := json.Marshal(webApiCache); err == nil {
var compressed bytes.Buffer
w := gzip.NewWriter(&compressed)
w.Write([]byte(b))
w.Close()
if fileLocation := infrastructure.GetWebApiCacheFileLocation(); fileLocation != "" {
infrastructure.SaveFile(fileLocation, compressed.Bytes())
}
}
}
func (spotify *Spotify) loadWebApiCache() *WebApiCache {
if fileLocation := infrastructure.GetWebApiCacheFileLocation(); fileLocation != "" {
if b, err := ioutil.ReadFile(fileLocation); err == nil {
compressed := bytes.NewBuffer(b)
if r, err := gzip.NewReader(compressed); err == nil {
var uncompressed bytes.Buffer
io.Copy(&uncompressed, r)
r.Close()
var webApiCache WebApiCache
if err := json.Unmarshal(uncompressed.Bytes(), &webApiCache); err == nil {
return &webApiCache
}
}
}
}
return &WebApiCache{}
}