fix: check ignored errors

handlers/album.go

@@ -58,10 +58,14 @@ func Album(l *logrus.Logger) http.HandlerFunc {
 		}
 
 		var a data.Album
-		a.Parse(doc)
+		if err = a.Parse(doc); err != nil {
+			l.Error(err)
+		}
 
 		views.AlbumPage(a).Render(context.Background(), w)
 
-		setCache(id, a)
+		if err = setCache(id, a); err != nil {
+			l.Errorln(err)
+		}
 	}
 }

handlers/annotations.go

@@ -85,9 +85,11 @@ func Annotations(l *logrus.Logger) http.HandlerFunc {
 			return
 		}
 
-		setCache(id, body)
-		_, err = w.Write(response)
-		if err != nil {
+		if err = setCache(id, body); err != nil {
+			l.Errorln(err)
+		}
+
+		if _, err = w.Write(response); err != nil {
 			l.Errorln("Error sending response: ", err)
 		}
 	}

handlers/lyrics.go

@@ -57,6 +57,8 @@ func Lyrics(l *logrus.Logger) http.HandlerFunc {
 		s.Parse(doc)
 
 		views.LyricsPage(s).Render(context.Background(), w)
-		setCache(id, s)
+		if err = setCache(id, s); err != nil {
+			l.Errorln(err)
+		}
 	}
 }

handlers/proxy.go

@@ -53,6 +53,8 @@ func ImageProxy(l *logrus.Logger) http.HandlerFunc {
 		}
 
 		w.Header().Add("Content-type", fmt.Sprintf("image/%s", ext))
-		io.Copy(w, res.Body)
+		if _, err = io.Copy(w, res.Body); err != nil {
+			l.Errorln("unable to write image", err)
+		}
 	}
 }

handlers/search.go

@@ -30,7 +30,11 @@ func Search(l *logrus.Logger) http.HandlerFunc {
 		var sRes data.SearchResponse
 
 		d := json.NewDecoder(res.Body)
-		d.Decode(&sRes)
+		if err = d.Decode(&sRes); err != nil {
+			l.Errorln(err)
+			w.WriteHeader(http.StatusInternalServerError)
+			views.ErrorPage(500, "something went wrong").Render(context.Background(), w)
+		}
 
 		results := data.SearchResults{Query: query, Sections: sRes.Response.Sections}