refactor and fix api response handlers

reinstate redis db to detect inconsistencies

manager.go

@@ -90,19 +90,19 @@ func (s SyncManager) fetchChannels(status string) ([]apiYoutubeChannel, error) {
 	return response.Data, nil
 }
 
-type apiSyncUpdateResponse struct {
+type apiChannelStatusResponse struct {
 	Success bool          `json:"success"`
 	Error   null.String   `json:"error"`
-	Data    null.String `json:"data"`
+	Data    []syncedVideo `json:"data"`
 }
 
 type syncedVideo struct {
-	VideoID       string
+	VideoID       string `json:"video_id"`
-	Published     bool
+	Published     bool   `json:"published"`
-	FailureReason string
+	FailureReason string `json:"failure_reason"`
 }
 
-func (s SyncManager) setChannelSyncStatus(channelID string, status string) (map[string]syncedVideo, error) {
+func (s SyncManager) setChannelStatus(channelID string, status string) (map[string]syncedVideo, error) {
 	endpoint := s.ApiURL + "/yt/channel_status"
 
 	res, _ := http.PostForm(endpoint, url.Values{
@@ -113,7 +113,7 @@ func (s SyncManager) setChannelSyncStatus(channelID string, status string) (map[
 	})
 	defer res.Body.Close()
 	body, _ := ioutil.ReadAll(res.Body)
-	var response apiSyncUpdateResponse
+	var response apiChannelStatusResponse
 	err := json.Unmarshal(body, &response)
 	if err != nil {
 		return nil, err
@@ -121,18 +121,12 @@ func (s SyncManager) setChannelSyncStatus(channelID string, status string) (map[
 	if !response.Error.IsNull() {
 		return nil, errors.Err(response.Error.String)
 	}
-	if !response.Data.IsNull() {
+	if response.Data != nil {
-		if response.Data.String == "ok" {
+		if len(response.Data) == 0 {
 			return nil, nil
 		}
-		var sv []syncedVideo
-		err := json.Unmarshal([]byte(response.Data.String), &sv)
-		if err != nil {
-			return nil, errors.Err("could not parse synced videos")
-		}
-
 		svs := make(map[string]syncedVideo)
-		for _, v := range sv {
+		for _, v := range response.Data {
 			svs[v.VideoID] = v
 		}
 		return svs, nil
@@ -145,6 +139,12 @@ const (
 	VideoStatusFailed    = "failed"
 )
 
+type apiVideoStatusResponse struct {
+	Success bool        `json:"success"`
+	Error   null.String `json:"error"`
+	Data    null.String `json:"data"`
+}
+
 func (s SyncManager) MarkVideoStatus(channelID string, videoID string, status string, claimID string, claimName string, failureReason string) error {
 	endpoint := s.ApiURL + "/yt/video_status"
 
@@ -168,7 +168,7 @@ func (s SyncManager) MarkVideoStatus(channelID string, videoID string, status st
 	res, _ := http.PostForm(endpoint, vals)
 	defer res.Body.Close()
 	body, _ := ioutil.ReadAll(res.Body)
-	var response apiSyncUpdateResponse
+	var response apiVideoStatusResponse
 	err := json.Unmarshal(body, &response)
 	if err != nil {
 		return err

ytsync.go

@@ -21,6 +21,7 @@ import (
 	"github.com/lbryio/lbry.go/jsonrpc"
 	"github.com/lbryio/lbry.go/stop"
 	"github.com/lbryio/lbry.go/util"
+	"github.com/lbryio/lbry.go/ytsync/redisdb"
 	"github.com/lbryio/lbry.go/ytsync/sources"
 	"github.com/mitchellh/go-ps"
 	log "github.com/sirupsen/logrus"
@@ -63,7 +64,7 @@ type Sync struct {
 	daemon         *jsonrpc.Client
 	claimAddress   string
 	videoDirectory string
-	//db             *redisdb.DB
+	db             *redisdb.DB
 	syncedVideos   map[string]syncedVideo
 	grp            *stop.Group
 
@@ -109,10 +110,11 @@ func (s *Sync) FullCycle() (e error) {
 	if s.YoutubeChannelID == "" {
 		return errors.Err("channel ID not provided")
 	}
-	syncedVideos, err := s.Manager.setChannelSyncStatus(s.YoutubeChannelID, StatusSyncing)
+	syncedVideos, err := s.Manager.setChannelStatus(s.YoutubeChannelID, StatusSyncing)
 	if err != nil {
 		return err
 	}
+
 	defer func() {
 		if e != nil {
 			//conditions for which a channel shouldn't be marked as failed
@@ -123,14 +125,14 @@ func (s *Sync) FullCycle() (e error) {
 			if util.SubstringInSlice(e.Error(), noFailConditions) {
 				return
 			}
-			_, err := s.Manager.setChannelSyncStatus(s.YoutubeChannelID, StatusFailed)
+			_, err := s.Manager.setChannelStatus(s.YoutubeChannelID, StatusFailed)
 			if err != nil {
 				msg := fmt.Sprintf("Failed setting failed state for channel %s.", s.LbryChannelName)
 				err = errors.Prefix(msg, err)
 				e = errors.Prefix(err.Error(), e)
 			}
 		} else if !s.IsInterrupted() {
-			_, err := s.Manager.setChannelSyncStatus(s.YoutubeChannelID, StatusSynced)
+			_, err := s.Manager.setChannelStatus(s.YoutubeChannelID, StatusSynced)
 			if err != nil {
 				e = err
 			}
@@ -181,7 +183,7 @@ func (s *Sync) FullCycle() (e error) {
 		return errors.Wrap(err, 0)
 	}
 
-	//s.db = redisdb.New()
+	s.db = redisdb.New()
 	s.syncedVideos = syncedVideos
 	s.grp = stop.New()
 	s.queue = make(chan video)
@@ -502,6 +504,18 @@ func (s *Sync) processVideo(v video) (err error) {
 		return nil
 	}
 
+	alreadyPublishedOld, err := s.db.IsPublished(v.ID())
+	if err != nil {
+		return err
+	}
+	//TODO: remove this after a few runs
+	if alreadyPublishedOld && !alreadyPublished {
+		//seems like something in the migration of blobs didn't go perfectly right so warn about it!
+		SendInfoToSlack("A video that was previously published is on the local database but isn't on the remote db! fix it @Nikooo777! \nchannelID: %s, videoID: %s",
+			s.YoutubeChannelID, v.ID())
+		return nil
+	}
+
 	if alreadyPublished {
 		log.Println(v.ID() + " already published")
 		return nil