fix(media): 修正转码任务认领与媒资 id 校验

fruitshorts-module-content/src/main/java/com/fruitshorts/content/service/EpisodeService.java

@@ -43,22 +43,22 @@ public class EpisodeService implements EpisodeTranscodeCompletionPort, EpisodeVi
     private final EpisodeTranscodeBindingService transcodeBindingService;
 
     @Override
-    public java.util.Optional<EpisodeVideoSource> resolve(Long candidateId) {
-        if (candidateId == null || candidateId <= 0) {
+    public java.util.Optional<EpisodeVideoSource> resolveByVideoUrl(String videoUrl) {
+        if (!StringUtils.hasText(videoUrl)) {
             return java.util.Optional.empty();
         }
-        DramaEpisode episode = dramaEpisodeMapper.selectById(candidateId);
-        if (episode == null) {
-            episode = dramaEpisodeMapper.selectOne(Wrappers.<DramaEpisode>lambdaQuery()
-                    .eq(DramaEpisode::getVideoAssetId, candidateId)
-                    .last("limit 1"));
-        }
-        if (episode == null) {
-            return java.util.Optional.empty();
-        }
-        return java.util.Optional.of(new EpisodeVideoSource(
+        DramaEpisode episode = dramaEpisodeMapper.selectOne(Wrappers.<DramaEpisode>lambdaQuery()
+                .eq(DramaEpisode::getVideoUrl, videoUrl)
+                .last("limit 1"));
+        return episode == null
+                ? java.util.Optional.empty()
+                : java.util.Optional.of(toVideoSource(episode));
+    }
+
+    private EpisodeVideoSource toVideoSource(DramaEpisode episode) {
+        return new EpisodeVideoSource(
                 episode.getId(), episode.getDramaId(), episode.getVideoAssetId(),
-                episode.getVideoUrl(), episode.getDurationSec()));
+                episode.getVideoUrl(), episode.getDurationSec());
     }
 
     @Override