Add restore by asset ids api call

Author: adimiz1

cloudinary-core/src/main/java/com/cloudinary/Api.java

@@ -393,6 +393,14 @@ public ApiResponse restore(Iterable<String> publicIds, Map options) throws Excep
         return response;
     }
 
+    public ApiResponse restoreByAssetIds(Iterable<String> assetIds, Map options) throws Exception {
+        if (options == null)
+            options = ObjectUtils.emptyMap();
+        Map params = new HashMap<String, Object>();
+        params.put("asset_ids", assetIds);
+        return callApi(HttpMethod.POST, Arrays.asList("resources", "restore"), params, options);
+    }
+
     public ApiResponse uploadMappings(Map options) throws Exception {
         if (options == null)
             options = ObjectUtils.emptyMap();

cloudinary-test-common/src/main/java/com/cloudinary/test/AbstractApiTest.java

@@ -971,6 +971,32 @@ public void testRestore() throws Exception {
         assertEquals(resource.get("bytes"), 3381);
     }
 
+    @Test
+    public void testRestoreByAssetIds() throws Exception {
+
+        // Upload
+        cloudinary.uploader().upload(SRC_TEST_IMAGE,
+                ObjectUtils.asMap("public_id", API_TEST_RESTORE, "backup", true, "tags", UPLOAD_TAGS));
+        Map resource = api.resource(API_TEST_RESTORE, ObjectUtils.emptyMap());
+        assertEquals(resource.get("bytes"), 3381);
+
+        //Delete
+        api.deleteResources(Collections.singletonList(API_TEST_RESTORE), ObjectUtils.emptyMap());
+        resource = api.resource(API_TEST_RESTORE, ObjectUtils.emptyMap());
+        String assetId = (String) resource.get("asset_id");
+        assertEquals(resource.get("bytes"), 0);
+        assertNotNull(assetId);
+        assertTrue((Boolean) resource.get("placeholder"));
+
+        //Restore
+        Map response = api.restoreByAssetIds(Collections.singletonList(assetId), ObjectUtils.emptyMap());
+        Map info = (Map) response.get(assetId);
+        assertNotNull(info);
+        assertEquals(info.get("bytes"), 3381);
+        resource = api.resource(API_TEST_RESTORE, ObjectUtils.emptyMap());
+        assertEquals(resource.get("bytes"), 3381);
+    }
+
     @Test
     public void testRestoreDifferentVersionsOfDeletedAsset() throws Exception {
         final String TEST_RESOURCE_PUBLIC_ID = "api_test_restore_different_versions_single_asset" + SUFFIX;

cloudinary-test-common/src/main/java/com/cloudinary/test/AbstractStructuredMetadataTest.java

@@ -75,7 +75,7 @@ public void testCreateMetadata() throws Exception {
 
     @Test
     public void testCreateSetMetadataWithAllowDynamicListValues() throws Exception {
-        SetMetadataField setField = createSetField("testCreateMetadata_2");
+        SetMetadataField setField = createSetField("testCreateMetadata_4");
         ApiResponse result = cloudinary.api().addMetadataField(setField);
         assertNotNull(result);
         assertEquals(setField.getLabel(), result.get("label"));