优化

file/src/test/java/com/baiyue/file/controller/PlatformMeasurementImageControllerContractTest.java

@@ -10,6 +10,7 @@ import org.springframework.http.MediaType;
 import org.springframework.mock.web.MockMultipartFile;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.test.context.junit.jupiter.SpringJUnitConfig;
 
@@ -71,4 +72,15 @@ class PlatformMeasurementImageControllerContractTest {
         assertThatThrownBy(() -> controller.upload(malformed, 10001L, 88L, file))
             .isInstanceOf(BizException.class);
     }
+
+    @Test
+    void thumbnailUsesViewPermission() throws Exception {
+        Method method = PlatformMeasurementImageController.class.getDeclaredMethod("thumbnail",
+            AuthenticatedUser.class, long.class, long.class, long.class);
+
+        assertThat(method.getAnnotation(GetMapping.class).value())
+            .containsExactly("/{tenantId}/{inboundId}/{fileId}/thumbnail");
+        assertThat(method.getAnnotation(PreAuthorize.class).value())
+            .isEqualTo("hasAuthority('platform:firstleg:inbound:measure:view')");
+    }
 }

file/src/test/java/com/baiyue/file/service/MeasurementImageServiceEvidenceTest.java

@@ -20,6 +20,10 @@ import jakarta.annotation.Resource;
 
 import java.nio.file.Path;
 import java.math.BigDecimal;
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+
+import javax.imageio.ImageIO;
 
 import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
@@ -137,6 +141,38 @@ class MeasurementImageServiceEvidenceTest {
         ordered.verify(storage).delete(object.getObjectKey());
     }
 
+    @Test
+    void deletesWeightImageThroughTheSameOwnedFileBoundary() {
+        FileObjectEntity object = measurementEvidence();
+        object.setBusinessType("INBOUND_WEIGHT_IMAGE");
+        when(files.selectOne(any())).thenReturn(object);
+        when(files.updateById(object)).thenReturn(1);
+        when(files.deleteById(41L)).thenReturn(1);
+
+        service.deleteMeasurementEvidence(11L, 21L, 41L, 31L);
+
+        verify(storage).delete(object.getObjectKey());
+    }
+
+    @Test
+    void createsBoundedJpegThumbnail() throws Exception {
+        FileObjectEntity object = measurementEvidence();
+        object.setOriginalName("weight.png");
+        object.setContentType(MediaType.IMAGE_PNG_VALUE);
+        when(files.selectOne(any())).thenReturn(object);
+        BufferedImage source = new BufferedImage(1200, 800, BufferedImage.TYPE_INT_RGB);
+        ByteArrayOutputStream image = new ByteArrayOutputStream();
+        ImageIO.write(source, "png", image);
+        when(storage.read(object.getObjectKey())).thenReturn(image.toByteArray());
+
+        MeasurementImageService.Download result = service.thumbnail(11L, 21L, 41L);
+
+        BufferedImage thumbnail = ImageIO.read(new java.io.ByteArrayInputStream(result.content()));
+        assertThat(result.contentType()).isEqualTo(MediaType.IMAGE_JPEG_VALUE);
+        assertThat(thumbnail.getWidth()).isEqualTo(480);
+        assertThat(thumbnail.getHeight()).isEqualTo(320);
+    }
+
     @Test
     void doesNotDeleteStoredContentWhenLogicalDeleteLosesTheRace() {
         FileObjectEntity object = measurementEvidence();