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Download all youtube streams, instead of only 50
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,119 @@ | ||
| package streamd | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "sort" | ||
|
|
||
| "github.com/facebookincubator/go-belt/tool/experimental/errmon" | ||
| "github.com/facebookincubator/go-belt/tool/logger" | ||
| upstreamyoutube "google.golang.org/api/youtube/v3" | ||
| ) | ||
|
|
||
| func (d *StreamD) initYoutubeData(ctx context.Context) bool { | ||
| logger.FromCtx(ctx).Debugf("initializing Youtube data") | ||
| defer logger.FromCtx(ctx).Debugf("endof initializing Youtube data") | ||
|
|
||
| if c := len(d.Cache.Youtube.Broadcasts); c != 0 { | ||
| logger.FromCtx(ctx).Debugf("already have broadcasts (count: %d)", c) | ||
| updated, err := d.updateYoutubeBroadcasts(ctx) | ||
| if err != nil { | ||
| d.UI.DisplayError(err) | ||
| } | ||
| return updated | ||
| } | ||
|
|
||
| youtube := d.StreamControllers.YouTube | ||
| if youtube == nil { | ||
| logger.FromCtx(ctx).Debugf("youtube controller is not initialized") | ||
| return false | ||
| } | ||
|
|
||
| broadcasts, err := youtube.ListBroadcasts(d.ctxForController(ctx), 50000, nil) | ||
| if err != nil { | ||
| d.UI.DisplayError(err) | ||
| return false | ||
| } | ||
|
|
||
| logger.FromCtx(ctx).Debugf("got broadcasts: %#+v", broadcasts) | ||
| d.CacheLock.Do(ctx, func() { | ||
| d.Cache.Youtube.Broadcasts = broadcasts | ||
| }) | ||
|
|
||
| err = d.SaveConfig(ctx) | ||
| errmon.ObserveErrorCtx(ctx, err) | ||
| return true | ||
| } | ||
|
|
||
| func (d *StreamD) updateYoutubeBroadcasts( | ||
| ctx context.Context, | ||
| ) (bool, error) { | ||
| oldCount := len(d.Cache.Youtube.Broadcasts) | ||
| logger.FromCtx(ctx).Debugf("downloading new broadcasts only (count: %d)", oldCount) | ||
| defer func() { | ||
| logger.FromCtx(ctx).Debugf("downloading new broadcasts only (count: %d -> %d)", oldCount, len(d.Cache.Youtube.Broadcasts)) | ||
| }() | ||
|
|
||
| yt := d.StreamControllers.YouTube | ||
| if yt == nil { | ||
| return false, fmt.Errorf("youtube controller is not initialized") | ||
| } | ||
|
|
||
| broadcastIDs := map[string]struct{}{} | ||
| d.CacheLock.Do(ctx, func() { | ||
| for _, broadcast := range d.Cache.Youtube.Broadcasts { | ||
| broadcastIDs[broadcast.Id] = struct{}{} | ||
| } | ||
| }) | ||
|
|
||
| broadcasts, err := yt.ListBroadcasts( | ||
| d.ctxForController(ctx), | ||
| 50000, | ||
| func(resp *upstreamyoutube.LiveBroadcastListResponse) bool { | ||
| for _, broadcast := range resp.Items { | ||
| if _, ok := broadcastIDs[broadcast.Id]; ok { | ||
| return false | ||
| } | ||
| } | ||
| return true | ||
| }, | ||
| ) | ||
| if err != nil { | ||
| return false, fmt.Errorf("unable to get new broadcasts: %w", err) | ||
| } | ||
|
|
||
| if len(broadcasts) == 0 { | ||
| return false, nil | ||
| } | ||
|
|
||
| var ( | ||
| prevLen, newLen int | ||
| ) | ||
| d.CacheLock.Do(ctx, func() { | ||
| prevLen = len(d.Cache.Youtube.Broadcasts) | ||
| expectedLen := len(broadcasts) + len(d.Cache.Youtube.Broadcasts) | ||
| result := make([]*upstreamyoutube.LiveBroadcast, 0, expectedLen) | ||
| alreadySet := make(map[string]struct{}, expectedLen) | ||
| appendWith := func(broadcasts []*upstreamyoutube.LiveBroadcast) { | ||
| for _, broadcast := range broadcasts { | ||
| if _, ok := alreadySet[broadcast.Id]; ok { | ||
| continue | ||
| } | ||
| alreadySet[broadcast.Id] = struct{}{} | ||
| result = append(result, broadcast) | ||
| } | ||
| } | ||
| appendWith(broadcasts) | ||
| appendWith(d.Cache.Youtube.Broadcasts) | ||
| d.Cache.Youtube.Broadcasts = result | ||
| newLen = len(result) | ||
| }) | ||
| return newLen != prevLen, nil | ||
| } | ||
|
|
||
| func (d *StreamD) normalizeYoutubeData() { | ||
| s := d.Cache.Youtube.Broadcasts | ||
| sort.Slice(s, func(i, j int) bool { | ||
| return s[i].Snippet.Title < s[j].Snippet.Title | ||
| }) | ||
| } |