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author | René 'Necoro' Neumann <necoro@necoro.eu> | 2020-04-25 17:00:57 +0200 |
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committer | René 'Necoro' Neumann <necoro@necoro.eu> | 2020-04-25 17:00:57 +0200 |
commit | 573ce1982da2e754947453fdaf0d50204873acb4 (patch) | |
tree | f6528235dce77db514ce4442ee8817e993fdcc86 /internal/feed/cache.go | |
parent | d21881150c09986571a563eaf30bc1687787e63f (diff) | |
download | feed2imap-go-573ce1982da2e754947453fdaf0d50204873acb4.tar.gz feed2imap-go-573ce1982da2e754947453fdaf0d50204873acb4.tar.bz2 feed2imap-go-573ce1982da2e754947453fdaf0d50204873acb4.zip |
Larger restructuring
Diffstat (limited to '')
-rw-r--r-- | internal/feed/cache.go | 42 |
1 files changed, 14 insertions, 28 deletions
diff --git a/internal/feed/cache.go b/internal/feed/cache.go index 4f27144..411ed47 100644 --- a/internal/feed/cache.go +++ b/internal/feed/cache.go @@ -9,7 +9,7 @@ import ( "os" "time" - "github.com/Necoro/feed2imap-go/internal/log" + "github.com/Necoro/feed2imap-go/pkg/log" ) const ( @@ -77,7 +77,7 @@ func (cache *v1Cache) Version() byte { return cache.version } -func New() Cache { +func newCache() Cache { cache := v1Cache{ Ids: map[feedDescriptor]feedId{}, Feeds: map[feedId]*cachedFeed{}, @@ -90,7 +90,7 @@ func New() Cache { func cacheForVersion(version byte) (Cache, error) { switch version { case 1: - return New(), nil + return newCache(), nil default: return nil, fmt.Errorf("unknown cache version '%d'", version) } @@ -114,20 +114,20 @@ func (cache *v1Cache) findItem(feed *Feed) CachedFeed { return feed.cached.(*cachedFeed) } - fId := feedDescriptor{Name: feed.Name, Url: feed.Url} - id, ok := cache.Ids[fId] + fDescr := feed.descriptor() + id, ok := cache.Ids[fDescr] if !ok { var otherId feedDescriptor changed := false for otherId, id = range cache.Ids { - if otherId.Name == fId.Name { - log.Warnf("Feed %s seems to have changed URLs: New '%s', old '%s'. Updating.", - fId.Name, fId.Url, otherId.Url) + if otherId.Name == fDescr.Name { + log.Warnf("Feed %s seems to have changed URLs: newCache '%s', old '%s'. Updating.", + fDescr.Name, fDescr.Url, otherId.Url) changed = true break - } else if otherId.Url == fId.Url { - log.Warnf("Feed with URL '%s' seems to have changed its name: New '%s', old '%s'. Updating", - fId.Url, fId.Name, otherId.Name) + } else if otherId.Url == fDescr.Url { + log.Warnf("Feed with URL '%s' seems to have changed its name: newCache '%s', old '%s'. Updating", + fDescr.Url, fDescr.Name, otherId.Name) changed = true break } @@ -139,7 +139,7 @@ func (cache *v1Cache) findItem(feed *Feed) CachedFeed { cache.NextId++ } - cache.Ids[fId] = id + cache.Ids[fDescr] = id } item := cache.getItem(id) @@ -147,8 +147,7 @@ func (cache *v1Cache) findItem(feed *Feed) CachedFeed { return item } -func (feeds *Feeds) StoreCache(fileName string) error { - cache := feeds.cache +func storeCache(cache Cache, fileName string) error { if cache == nil { return fmt.Errorf("trying to store nil cache") } @@ -178,25 +177,12 @@ func (feeds *Feeds) StoreCache(fileName string) error { return nil } -func (feeds *Feeds) LoadCache(fileName string) error { - cache, err := loadCache(fileName) - if err != nil { - return err - } - feeds.cache = cache - - for _, feed := range feeds.feeds { - feed.cached = cache.findItem(feed) - } - return nil -} - func loadCache(fileName string) (Cache, error) { f, err := os.Open(fileName) if err != nil { if errors.Is(err, os.ErrNotExist) { // no cache there yet -- make new - return New(), nil + return newCache(), nil } return nil, fmt.Errorf("opening cache at '%s': %w", fileName, err) } |