Merge pull request #80 from ProgrammingLab/gedorinku/fix_achievement_image

戦歴の画像URLを修正

Author: gedorinku

app/server/achievements_server.go

@@ -231,10 +231,13 @@ func achievementToResponse(ach *record.Achievement, includePrivate bool, cfg *co
 		Award:         ach.Award,
 		Url:           ach.URL,
 		Description:   ach.Description,
-		ImageUrl:      cfg.MinioPublicURL + "/" + cfg.MinioBucketName + "/" + ach.ImageFilename.String,
 		HappenedAt:    timeToResponse(ach.HappenedAt),
 	}
 
+	if ach.ImageFilename.Valid {
+		resp.ImageUrl = cfg.MinioPublicURL + "/" + cfg.MinioBucketName + "/" + ach.ImageFilename.String
+	}
+
 	members := make([]*record.User, 0)
 	hidden := 0
 	if ach.R != nil {