56 lines
1.2 KiB
Go
56 lines
1.2 KiB
Go
package cache
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import (
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"errors"
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"fmt"
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"io/ioutil"
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"os"
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"strings"
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)
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var (
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CACHE_LIST map[[2]string]string = make(map[[2]string]string)
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)
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func LoadCache(path string) error {
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cacheFileContent, err := ioutil.ReadFile(path)
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if err != nil {
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return errors.New("Could Not Read From Cache File")
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}
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lineSlice := strings.Split(string(cacheFileContent), "\n")
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for _, line := range lineSlice {
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if len(line) != 0 {
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param := strings.Split(line, "\t")
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if len(param) == 3 {
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CACHE_LIST[[2]string{param[0], param[1]}] = param[2]
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}
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}
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}
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return nil
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}
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func GetFromCache(artist, album string) (string, error) {
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if val, ok := CACHE_LIST[[2]string{artist, album}]; ok {
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return val, nil
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} else {
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return "", errors.New("Element Not In Cache")
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}
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}
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func AddToCache(artist, album string) {
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CACHE_LIST[[2]string{artist, album}] = GenerateName(artist, album)
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}
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func WriteCache(path string) {
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b, err := os.Create(path)
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if err == nil {
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for k, v := range CACHE_LIST {
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b.Write([]byte(fmt.Sprintf("%s\t%s\t%s\n", k[0], k[1], v)))
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}
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}
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}
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func GenerateName(artist, album string) string {
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return strings.Replace(fmt.Sprintf("%s-%s.jpg", artist, album), " ", "_", -1)
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}
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