Add gRPC observability: logging, metrics, recovery interceptors

internal/indexer/search.go

@@ -3,6 +3,8 @@ package indexer
 import (
 	"encoding/xml"
 
+	"github.com/rs/zerolog/log"
+
 	pb "homelab.lan/music-agregator/gen/music_agregator/indexer/v1"
 	"homelab.lan/music-agregator/internal/tracker/rutracker"
 )
@@ -46,8 +48,25 @@ var (
 
 func (sr *SearchResult) ToProto() *pb.SearchResponse {
 	var pbItems []*pb.SearchItem
+	var skipped int
 
 	for _, item := range sr.Items {
+		release := rutrackerParserFactory.GetParser(item.Categories).Parse(item.Title)
+
+		log.Trace().
+			Str("tracker", item.JackettIndexer.ID).
+			Str("title", item.Title).
+			Str("artist", release.Artist).
+			Str("album", release.Album).
+			Int("year", release.Year).
+			Bool("parsed", release.ParsedSuccessfully).
+			Msg("parsed item")
+
+		if !release.ParsedSuccessfully {
+			skipped++
+			continue
+		}
+
 		pbAttrs := make([]*pb.TorznabAttr, len(item.TorznabAttrs))
 		for j, attr := range item.TorznabAttrs {
 			pbAttrs[j] = &pb.TorznabAttr{
@@ -56,9 +75,6 @@ func (sr *SearchResult) ToProto() *pb.SearchResponse {
 			}
 		}
 
-		// TODO add the check from what tracker the result is to properly get the parser and thus parse it
-		release := rutrackerParserFactory.GetParser(item.Categories).Parse(item.Title)
-
 		pbItems = append(pbItems, &pb.SearchItem{
 			Title:          item.Title,
 			DownloadLink:   item.Link,
@@ -77,6 +93,12 @@ func (sr *SearchResult) ToProto() *pb.SearchResponse {
 		})
 	}
 
+	log.Trace().
+		Int("total", len(sr.Items)).
+		Int("parsed", len(pbItems)).
+		Int("skipped", skipped).
+		Msg("conversion complete")
+
 	return &pb.SearchResponse{
 		Result: pbItems,
 	}