Added: getCountGuestbookResponsesByDataFileId API endpoint

src/main/java/edu/harvard/iq/dataverse/api/Files.java

@@ -12,6 +12,7 @@
 import edu.harvard.iq.dataverse.DataverseServiceBean;
 import edu.harvard.iq.dataverse.EjbDataverseEngine;
 import edu.harvard.iq.dataverse.FileMetadata;
+import edu.harvard.iq.dataverse.GuestbookResponseServiceBean;
 import edu.harvard.iq.dataverse.TermsOfUseAndAccessValidator;
 import edu.harvard.iq.dataverse.UserNotificationServiceBean;
 import edu.harvard.iq.dataverse.api.auth.AuthRequired;
@@ -102,7 +103,9 @@ public class Files extends AbstractApiBean {
     SettingsServiceBean settingsService;
     @Inject
     MakeDataCountLoggingServiceBean mdcLogService;
-
+    @Inject
+    GuestbookResponseServiceBean guestbookResponseService;
+
     private static final Logger logger = Logger.getLogger(Files.class.getName());
 
 
@@ -818,4 +821,14 @@ public Response getExternalToolFMParams(@Context ContainerRequestContext crc, @P
     public Response getFixityAlgorithm() {
         return ok(systemConfig.getFileFixityChecksumAlgorithm().toString());
     }
+
+    @GET
+    @Path("{id}/guestbookResponses/count")
+    public Response getCountGuestbookResponsesByDataFileId(@PathParam("id") String dataFileId) {
+        try {
+            return ok(guestbookResponseService.getCountGuestbookResponsesByDataFileId(Long.parseLong(dataFileId)).toString());
+        } catch (NumberFormatException nfe) {
+            return badRequest("File identifier has to be numeric.");
+        }
+    }
 }

src/test/java/edu/harvard/iq/dataverse/api/FilesIT.java

@@ -2018,4 +2018,40 @@ public void testDeleteFile() {
                 .body("data.files[0]", equalTo(null))
                 .statusCode(OK.getStatusCode());
     }
+
+    @Test
+    public void testGetCountGuestbookResponsesByDataFileId() {
+        Response createUser = UtilIT.createRandomUser();
+        createUser.then().assertThat().statusCode(OK.getStatusCode());
+        String apiToken = UtilIT.getApiTokenFromResponse(createUser);
+
+        Response createDataverseResponse = UtilIT.createRandomDataverse(apiToken);
+        createDataverseResponse.then().assertThat().statusCode(CREATED.getStatusCode());
+        String dataverseAlias = UtilIT.getAliasFromResponse(createDataverseResponse);
+
+        Response createDatasetResponse = UtilIT.createRandomDatasetViaNativeApi(dataverseAlias, apiToken);
+        createDatasetResponse.then().assertThat().statusCode(CREATED.getStatusCode());
+        Integer datasetId = JsonPath.from(createDatasetResponse.body().asString()).getInt("data.id");
+
+        // Upload test file
+        String pathToTestFile = "src/main/webapp/resources/images/dataverseproject.png";
+        Response uploadResponse = UtilIT.uploadFileViaNative(datasetId.toString(), pathToTestFile, Json.createObjectBuilder().build(), apiToken);
+        uploadResponse.then().assertThat().statusCode(OK.getStatusCode());
+
+        // Publish collection and dataset
+        UtilIT.publishDataverseViaNativeApi(dataverseAlias, apiToken).then().assertThat().statusCode(OK.getStatusCode());
+        UtilIT.publishDatasetViaNativeApi(datasetId, "major", apiToken).then().assertThat().statusCode(OK.getStatusCode());
+
+        // Download test file
+        Integer testFileId = JsonPath.from(uploadResponse.body().asString()).getInt("data.files[0].dataFile.id");
+
+        Response downloadResponse = UtilIT.downloadFile(testFileId, apiToken);
+        downloadResponse.then().assertThat().statusCode(OK.getStatusCode());
+
+        // Get count guestbook responses and assert it is 1
+        Response getGuestbookResponsesByDataFileIdResponse = UtilIT.getCountGuestbookResponsesByDataFileId(testFileId, apiToken);
+        getGuestbookResponsesByDataFileIdResponse.then().assertThat()
+                .statusCode(OK.getStatusCode())
+                .body("data.message", equalTo("1"));
+    }
 }

src/test/java/edu/harvard/iq/dataverse/api/UtilIT.java

@@ -3269,4 +3269,10 @@ static Response createAndUploadTestFile(String persistentId, String testFileName
 
         return uploadZipFileViaSword(persistentId, pathToTestFile, apiToken);
     }
+
+    static Response getCountGuestbookResponsesByDataFileId(Integer dataFileId, String apiToken) {
+        return given()
+                .header(API_TOKEN_HTTP_HEADER, apiToken)
+                .get("/api/files/" + dataFileId + "/guestbookResponses/count");
+    }
 }