修复数据库清理的细节问题

app/src/main/java/com/bgycc/smartcanteen/worker/DatabaseMonitor.java

@@ -36,28 +36,31 @@ public class DatabaseMonitor extends Worker {
         builder.append("\n")
                 .append("command数据库当前旧数据量: ")
                 .append(commandCount);
-        if (commandCount >= DATABASE_LIMIT) {
-            commandRepository.clearOldData(DATABASE_LIMIT);
+        if (commandCount > DATABASE_LIMIT) {
+            int clearCount = commandRepository.clearOldData(commandCount - DATABASE_LIMIT);
             builder.append("\n")
-                    .append("command数据库已清理旧数据");
+                    .append("command数据库已清理旧数据: ")
+                    .append(clearCount);
         }
         int payDataCount = payDataRepository.countOldData();
         builder.append("\n")
                 .append("payData数据库当前旧数据量: ")
                 .append(payDataCount);
-        if (payDataCount >= DATABASE_LIMIT) {
-            payDataRepository.clearOldData(DATABASE_LIMIT);
+        if (payDataCount > DATABASE_LIMIT) {
+            int clearCount = payDataRepository.clearOldData(payDataCount - DATABASE_LIMIT);
             builder.append("\n")
-                    .append("payData数据库已清理旧数据");
+                    .append("payData数据库已清理旧数据: ")
+                    .append(clearCount);
         }
         int payResponseCount = payResponseRepository.countOldData();
         builder.append("\n")
                 .append("payResponse数据库当前旧数据量: ")
                 .append(payResponseCount);
-        if (payResponseCount >= DATABASE_LIMIT) {
-            payResponseRepository.clearOldData(DATABASE_LIMIT);
+        if (payResponseCount > DATABASE_LIMIT) {
+            int clearCount = payResponseRepository.clearOldData(payResponseCount - DATABASE_LIMIT);
             builder.append("\n")
-                    .append("payResponse数据库已清理旧数据");
+                    .append("payResponse数据库已清理旧数据: ")
+                    .append(clearCount);
         }
         LogUtils.d(TAG, builder);
         return Result.success();