alazyreader
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refactor a bit
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This commit is contained in:
David 2022-04-03 17:54:59 -04:00
parent 2346f17edd
commit f9d1cf744e
1 changed files with 20 additions and 14 deletions
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34
database/records.go
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@ -49,22 +49,10 @@ func NewDiscogsCache(token string, maxCacheAge time.Duration, username string, p
persistFile: persistFile,
}
if cache.persistence && cache.persistFile != "" {
p := &persistence{}
f, err := os.Open(cache.persistFile)
if errors.Is(err, os.ErrNotExist) {
log.Printf("%s not found, skipping file load...", cache.persistFile)
return cache, nil
}
cache.cache, cache.lastRefresh, err = cache.loadRecordsFromFS(context.Background())
if err != nil {
return cache, fmt.Errorf("error opening cache file %s: %w", cache.persistFile, err)
return nil, fmt.Errorf("cache load failed: %w", err)
}
err = gob.NewDecoder(f).Decode(p)
if err != nil {
return cache, fmt.Errorf("error readhing from cache file %s: %w", cache.persistFile, err)
}
log.Printf("loaded %d records from %s", len(p.CachedRecordSlice), cache.persistFile)
cache.cache = p.CachedRecordSlice
cache.lastRefresh = p.LastRefresh
if time.Now().After(cache.lastRefresh.Add(cache.maxCacheAge)) {
log.Printf("cache expired, running refresh...")
go func() {
@ -102,6 +90,24 @@ func (c *DiscogsCache) GetAllRecords(ctx context.Context) ([]media.Record, error
return c.cache, nil
}
func (c *DiscogsCache) loadRecordsFromFS(ctx context.Context) ([]media.Record, time.Time, error) {
p := &persistence{}
f, err := os.Open(c.persistFile)
if errors.Is(err, os.ErrNotExist) {
log.Printf("%s not found, skipping file load...", c.persistFile)
return nil, time.Time{}, nil
}
if err != nil {
return nil, time.Time{}, fmt.Errorf("error opening cache file %s: %w", c.persistFile, err)
}
err = gob.NewDecoder(f).Decode(p)
if err != nil {
return nil, time.Time{}, fmt.Errorf("error readhing from cache file %s: %w", c.persistFile, err)
}
log.Printf("loaded %d records from %s", len(p.CachedRecordSlice), c.persistFile)
return p.CachedRecordSlice, p.LastRefresh, nil
}
func (c *DiscogsCache) saveRecordsToCache(ctx context.Context, records []media.Record) error {
c.cache = records
c.lastRefresh = time.Now()