feat: provide cron for clean up of file limits

src/main/java/de/caritas/cob/uploadservice/api/service/UploadTrackingService.java

@@ -8,6 +8,7 @@
 import lombok.NonNull;
 import lombok.RequiredArgsConstructor;
 import org.springframework.beans.factory.annotation.Value;
+import org.springframework.scheduling.annotation.Scheduled;
 import org.springframework.stereotype.Service;
 
 /**
@@ -48,4 +49,13 @@ public void trackUploadedFileForUser() {
     this.uploadByUserRepository.save(uploadByUser);
   }
 
+  /**
+   * Cleans all stored file limits.
+   */
+  @Scheduled(cron = "${upload.file.cleanup.cron}")
+  public void cleanUpFileLimits() {
+    this.uploadByUserRepository.deleteAll();
+    LogService.logInfo("File restrictions are reset!");
+  }
+
 }

src/main/resources/application.properties

@@ -56,6 +56,7 @@ spring.servlet.multipart.max-file-size=5MB
 spring.servlet.multipart.max-request-size=7MB
 spring.servlet.multipart.location=
 upload.file.perday.limit=7
+upload.file.cleanup.cron=0 0 0 * * *
 #Threshold after which files are written to disk.default is 0B
 spring.servlet.multipart.file-size-threshold=50KB
 # Task executor configuration

src/test/java/de/caritas/cob/uploadservice/api/service/UploadTrackingServiceIT.java

@@ -4,7 +4,11 @@
 import static org.hamcrest.Matchers.is;
 import static org.hamcrest.Matchers.notNullValue;
 import static org.junit.Assert.fail;
+import static org.mockito.ArgumentMatchers.eq;
+import static org.mockito.Mockito.times;
+import static org.mockito.Mockito.verify;
 import static org.mockito.Mockito.when;
+import static org.powermock.reflect.Whitebox.setInternalState;
 
 import de.caritas.cob.uploadservice.UploadServiceApplication;
 import de.caritas.cob.uploadservice.api.exception.httpresponses.QuotaReachedException;
@@ -15,6 +19,8 @@
 import org.junit.Before;
 import org.junit.Test;
 import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.slf4j.Logger;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase;
 import org.springframework.boot.test.autoconfigure.jdbc.AutoConfigureTestDatabase.Replace;
@@ -38,9 +44,13 @@ public class UploadTrackingServiceIT {
   @MockBean
   private AuthenticatedUser authenticatedUser;
 
+  @Mock
+  private Logger logger;
+
   @Before
   public void setup() {
     when(this.authenticatedUser.getUserId()).thenReturn("userId");
+    setInternalState(LogService.class, "LOGGER", logger);
   }
 
   @After
@@ -91,4 +101,22 @@ public void validateUploadLimit_Should_throwQuotaReachedException_When_limitIsRe
     this.uploadTrackingService.validateUploadLimit();
   }
 
+  @Test
+  public void cleanUpFileLimits_Should_deleteAllTrackingEntries() {
+    trackUploadedFile(10);
+
+    assertThat(this.uploadByUserRepository.count(), is(10L));
+
+    this.uploadTrackingService.cleanUpFileLimits();
+
+    assertThat(this.uploadByUserRepository.count(), is(0L));
+  }
+
+  @Test
+  public void cleanUpFileLimits_Should_logExpectedInfoMessage() {
+    this.uploadTrackingService.cleanUpFileLimits();
+
+    verify(this.logger, times(1)).info(eq("File restrictions are reset!"));
+  }
+
 }