文件转换工具类完善

sstudy/src/main/java/com/xhkjedu/sstudy/utils/ConvertUtil.java

@@ -5,6 +5,8 @@ import com.xhkjedu.sstudy.listener.MessageSender;
 import com.xhkjedu.sstudy.mapper.resource.ResourceFileMapper;
 import com.xhkjedu.sstudy.model.resource.TResource;
 import com.xhkjedu.sstudy.vo.resource.ResourceVo;
+import com.xhkjedu.utils.JedisUtil;
+import com.xhkjedu.utils.N_Utils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Component;
 
@@ -20,12 +22,13 @@ import java.util.Map;
  * @date 2021/10/27 9:32
  **/
 @Component
-public class ConvertUtil {
+public class ConvertUtil extends JedisUtil {
     @Resource
     private ResourceFileMapper resourceFileMapper;
     @Autowired
     private MessageSender messageSender;
     private static Integer[] CLASS = {1,2,5,7};//资源分类1word,2ppt,3pdf,4图片,5视频,6音频,7压缩包,10其他
+    private static Integer redisdatatime = 180;//有效期3分钟
 
     //资源转换（word或ppt转为pdf，视频非h264编码转码，压缩包解压）
     public void convertResource(TResource model) {
@@ -33,6 +36,7 @@ public class ConvertUtil {
         //flv的视频不转换
         if ("flv".equals(model.getSuffix())) return;
         if (Arrays.asList(CLASS).contains(resourceclass) && model.getConverted() == 0) {
+            if (redisHandle(model.getResourceurl(), model.getResourceid())) return;
             ResourceVo resource = new ResourceVo();
             resource.setResourceid(model.getResourceid());
             resource.setResourceclass(resourceclass);
@@ -42,12 +46,30 @@ public class ConvertUtil {
         }
     }
 
+    //redis操作
+    private boolean redisHandle(String resourceurl, String resourceid) {
+        String[] strings = resourceurl.split("/");
+        String str1 = strings[0];
+        String cloudcode;
+        if (str1.startsWith("node")) {
+            cloudcode = strings[1];
+        } else {
+            cloudcode = str1;
+        }
+        String key = cloudcode + "_" + resourceid;
+        String redis_value = get(key);
+        if (N_Utils.isNotEmpty(redis_value)) return true;
+        set(key, resourceurl, redisdatatime);
+        return false;
+    }
+
     //获取资源预览路径
     public String getResourceUrl(ResourceVo resource) {
         String pdfurl = resource.getPdfurl();
         Integer resourceclass = resource.getResourceclass();
         Integer converted = resource.getConverted();
         if ((resourceclass == 1 || resourceclass == 2) && converted == 0) {
+            if (redisHandle(resource.getResourceurl(), resource.getResourceid())) return null;
             //需要把word或ppt转为pdf
             pdfurl = messageSender.convertResource(resource);
         } else if (resourceclass == 5) {
@@ -64,6 +86,7 @@ public class ConvertUtil {
         String resourceurl = resource.getResourceurl();
         String suffix = resource.getSuffix();
         if (suffix.equals("mp4") && !resource.getMp4code().equals("h264")) {
+            if (redisHandle(resource.getResourceurl(), resource.getResourceid())) return null;
             resourceurl = messageSender.convertResource(resource);
         }
         return resourceurl;
@@ -75,6 +98,7 @@ public class ConvertUtil {
         String pdfurl = null;
         Integer converted = resource.getConverted();
         if (converted == 0) {
+            if (redisHandle(resource.getResourceurl(), resourceid)) return null;
             //获取压缩包文件
             pdfurl = messageSender.convertResource(resource);
         } else {