fix(case): refresh oss media urls on detail

backend/ruoyi-modules/ruoyi-aihr/src/main/java/org/dromara/aihr/service/AihrCaseService.java

@@ -152,7 +152,9 @@ public class AihrCaseService {
             FROM aihr_case_record
             WHERE tenant_id = '000000' AND case_id = ?
             """ + projectWhere + " LIMIT 1";
-        return jdbcTemplate.query(sql, (rs, rowNum) -> new DetailResponse(
+        return jdbcTemplate.query(sql, (rs, rowNum) -> {
+            Long mediaOssId = rs.getObject("media_oss_id", Long.class);
+            return new DetailResponse(
                 firstNonBlank(rs.getString("case_id"), normalizedCaseId),
                 firstNonBlank(rs.getString("file_name"), "case-audio"),
                 firstNonBlank(rs.getString("title"), "现场案例"),
@@ -162,9 +164,10 @@ public class AihrCaseService {
                 firstNonBlank(rs.getString("owner"), "培训组"),
                 firstNonBlank(rs.getString("transcript"), ""),
                 firstNonBlank(rs.getString("summary"), ""),
-                firstNonBlank(rs.getString("media_url"), ""),
-                rs.getObject("media_oss_id", Long.class)
-            ), args.toArray()).stream().findFirst().orElse(null);
+                resolveMediaUrl(mediaOssId, rs.getString("media_url")),
+                mediaOssId
+            );
+        }, args.toArray()).stream().findFirst().orElse(null);
     }
 
     public List<String> projectScopesForAppUser(String identity) {
@@ -425,6 +428,23 @@ public class AihrCaseService {
         return new MediaRef(oss.getOssId(), firstNonBlank(oss.getUrl(), ""));
     }
 
+    private String resolveMediaUrl(Long mediaOssId, String persistedUrl) {
+        String fallback = firstNonBlank(persistedUrl, "");
+        if (mediaOssId == null || ossService == null) {
+            return fallback;
+        }
+        try {
+            return ossService.listByIds(List.of(mediaOssId)).stream()
+                .findFirst()
+                .map(SysOssVo::getUrl)
+                .map(url -> firstNonBlank(url, fallback))
+                .orElse(fallback);
+        } catch (Exception e) {
+            log.debug("refresh case media url failed for ossId={}", mediaOssId);
+            return fallback;
+        }
+    }
+
     private void addCaseColumn(String column, String sql) {
         try {
             jdbcTemplate.execute(sql);

backend/ruoyi-modules/ruoyi-aihr/src/test/java/org/dromara/aihr/service/AihrCaseServiceTest.java

@@ -92,12 +92,19 @@ class AihrCaseServiceTest {
     @Tag("dev")
     void detailReturnsPersistedCaseForAuthorizedProject() {
         PersistentCaseJdbcTemplate jdbcTemplate = new PersistentCaseJdbcTemplate();
-        AihrCaseService service = new AihrCaseService(null, null, new ObjectMapper(), jdbcTemplate, null);
+        SysOssVo oss = new SysOssVo();
+        oss.setOssId(456L);
+        oss.setUrl("https://oss.local/cases/refreshed-case.webm");
+        ISysOssService ossService = mock(ISysOssService.class);
+        when(ossService.listByIds(List.of(456L))).thenReturn(List.of(oss));
+        AihrCaseService service = new AihrCaseService(null, null, new ObjectMapper(), jdbcTemplate, ossService);
 
         var detail = service.detail("persisted-case", List.of("P1"));
 
         assertEquals("persisted-case", detail.caseId());
         assertEquals("业主投诉后完成跟进", detail.transcript());
+        assertEquals("https://oss.local/cases/refreshed-case.webm", detail.mediaUrl());
+        assertEquals(456L, detail.mediaOssId());
         assertEquals("P1", jdbcTemplate.lastArgs[1]);
     }
 
@@ -161,6 +168,8 @@ class AihrCaseServiceTest {
                 when(resultSet.getString("transcript")).thenReturn("业主投诉后完成跟进");
                 when(resultSet.getString("type")).thenReturn("投诉处理");
                 when(resultSet.getString("title")).thenReturn("业主投诉案例");
+                when(resultSet.getString("media_url")).thenReturn("https://oss.local/cases/expired-case.webm");
+                when(resultSet.getObject("media_oss_id", Long.class)).thenReturn(456L);
                 return List.of(rowMapper.mapRow(resultSet, 0));
             } catch (SQLException e) {
                 throw new AssertionError(e);