delete old anime episode when overwriting with higher priority file

handle_file.go

@@ -8,6 +8,7 @@ import (
 	"path/filepath"
 	"time"
 
+	"git.milar.in/milarin/adverr"
 	"git.milar.in/nyaanime/logic"
 	"git.milar.in/nyaanime/model"
 	"git.milar.in/nyaanime/parsers"
@@ -78,7 +79,7 @@ func HandleParsedFile(w io.Writer, parsedFile *model.ParsedFile) {
 	}
 
 	if !animeEpNotExistLocally || newFilePrio.Priority > oldFilePrio.Priority {
-		// TODO remove old file when overwriting existing episode (might have other file extension)
+		DeleteOldAnimeEpisode(parsedFile.AnimeEpisode())
 		if err := OrganizeAnimeEpisode(w, parsedFile); err != nil {
 			fmt.Fprint(w, color.RedString("\terror: %s\n", err.Error()))
 		}
@@ -139,3 +140,21 @@ func OrganizeAnimeEpisode(w io.Writer, parsedFile *model.ParsedFile) error {
 
 	return nil
 }
+
+func DeleteOldAnimeEpisode(animeEp model.AnimeEpisode) {
+	animeEpPath := logic.GetAnimeEpFilepath(animeEp, "*")
+	files, err := filepath.Glob(animeEpPath)
+	if err != nil {
+		panic(logic.ErrInvalidGlobSyntax.Wrap(err, animeEpPath))
+	}
+
+	for _, file := range files {
+		if filepath.Ext(file) == ".lock" {
+			continue
+		}
+
+		if err := os.Remove(file); err != nil {
+			adverr.Println(err)
+		}
+	}
+}