notify catalog on items action

Change-Id: I3be022809b83ec939eaa0a383fa9e7b659dc096b
Issue-ID: SDC-1257
Signed-off-by: ayalaben <ayala.benzvi@amdocs.com>

3 files changed, 194 insertions, 4 deletions

diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/pom.xml b/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/pom.xml
index 6b96a4d328..5eb4b4e3da 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/pom.xml
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/pom.xml
@@ -29,6 +29,11 @@
             <version>${project.version}</version>
         </dependency>
         <dependency>
+            <groupId>org.apache.httpcomponents</groupId>
+            <artifactId>httpclient</artifactId>
+            <version>${http.client.version}</version>
+        </dependency>
+        <dependency>
             <groupId>javax.inject</groupId>
             <artifactId>javax.inject</artifactId>
             <version>1</version>
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/src/main/java/org/openecomp/sdcrests/item/rest/services/CatalogNotifier.java b/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/src/main/java/org/openecomp/sdcrests/item/rest/services/CatalogNotifier.java
new file mode 100644
index 0000000000..48a4f9c3b6
--- /dev/null
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/src/main/java/org/openecomp/sdcrests/item/rest/services/CatalogNotifier.java
@@ -0,0 +1,180 @@
+/*
+ * Copyright © 2018 European Support Limited
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.openecomp.sdcrests.item.rest.services;
+
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.UnsupportedEncodingException;
+import java.util.Collection;
+import java.util.LinkedHashMap;
+import java.util.Map;
+import java.util.concurrent.Callable;
+import java.util.concurrent.Executors;
+import java.util.concurrent.ScheduledExecutorService;
+import java.util.concurrent.TimeUnit;
+import java.util.function.Function;
+import javax.ws.rs.core.HttpHeaders;
+import javax.ws.rs.core.MediaType;
+import org.apache.http.HttpEntity;
+import org.apache.http.HttpResponse;
+import org.apache.http.client.methods.HttpPost;
+import org.apache.http.entity.StringEntity;
+import org.apache.http.impl.client.CloseableHttpClient;
+import org.apache.http.impl.client.HttpClients;
+import org.onap.sdc.tosca.services.YamlUtil;
+import org.openecomp.core.utilities.json.JsonUtil;
+import org.openecomp.sdc.common.session.SessionContextProviderFactory;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+import org.openecomp.sdc.logging.api.LoggingContext;
+import org.openecomp.sdcrests.item.types.ItemAction;
+
+public class CatalogNotifier {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(CatalogNotifier.class);
+
+    private static final String USER_ID_HEADER_PARAM = "USER_ID";
+    private static final String CONFIG_FILE = "configuration.yaml";
+    private static final String PROTOCOL_KEY = "beProtocol";
+    private static final String HOST_KEY = "beFqdn";
+    private static final String PORT_KEY = "beHttpPort";
+    private static final String URL_KEY = "onboardCatalogNotificationUrl";
+    private static final String URL_DEFAULT_FORMAT = "%s://%s:%s/sdc2/rest/v1/catalog/notif/vsp/";
+
+    private static String configurationYamlFile = System.getProperty(CONFIG_FILE);
+    private static String notifyCatalogUrl;
+
+    private static ScheduledExecutorService executor = Executors.newScheduledThreadPool(1);
+
+
+    static {
+        Function<InputStream, Map<String, LinkedHashMap<String, Object>>> reader = is -> {
+            YamlUtil yamlUtil = new YamlUtil();
+            return yamlUtil.yamlToMap(is);
+        };
+
+        Map<String, LinkedHashMap<String, Object>> configurationMap;
+
+        try {
+            configurationMap = readFromFile(configurationYamlFile, reader);
+
+        } catch (IOException e) {
+            throw new RuntimeException("Could not read configuration file configuration.yaml");
+        }
+
+        Object protocol = configurationMap.get(PROTOCOL_KEY);
+        Object host = configurationMap.get(HOST_KEY);
+        Object port = configurationMap.get(PORT_KEY);
+
+        if (protocol == null || host == null || port == null) {
+            throw new RuntimeException("Could not read configuration file configuration.yaml");
+        }
+
+        if (configurationMap.get(URL_KEY) != null) {
+            String urlFormat = String.valueOf(configurationMap.get(URL_KEY));
+            notifyCatalogUrl =
+                    String.format(urlFormat, String.valueOf(protocol), String.valueOf(host), String.valueOf(port));
+
+        } else {
+            notifyCatalogUrl = String.format(URL_DEFAULT_FORMAT, String.valueOf(protocol), String.valueOf(host),
+                    String.valueOf(port));
+        }
+    }
+
+
+    public void execute(Collection<String> itemIds, ItemAction action, int numOfRetries) {
+
+        String userId = SessionContextProviderFactory.getInstance().createInterface().get().getUser().getUserId();
+
+        Callable callable = createCallable(JsonUtil.object2Json(itemIds), action, numOfRetries, userId);
+
+        executor.submit(callable);
+
+    }
+
+    private Callable createCallable(String itemIds, ItemAction action, int numOfRetries, String userId) {
+        Callable callable = () -> handleHttpRequest(getUrl(action), itemIds, action, userId, numOfRetries);
+        LoggingContext.copyToCallable(callable);
+        return callable;
+    }
+
+    private Void handleHttpRequest(String url, String itemIds, ItemAction action, String userId,
+            int numOfRetries) {
+
+        try (CloseableHttpClient httpclient =  HttpClients.createDefault()) {
+            HttpPost request = createPostRequest(url, itemIds, userId);
+            HttpResponse response = httpclient.execute(request);
+            LOGGER.error(
+                    String.format("Catalog notification on vspId - %s action  - %s. Response: %s", itemIds,
+                            action.name(), response.getStatusLine()));
+
+            if (numOfRetries > 1 && response.getStatusLine().getStatusCode() == 500) {
+                Callable callable =
+                        createCallable(getFailedIds(itemIds, response.getEntity()), action, --numOfRetries, userId);
+                executor.schedule(callable, 5 , TimeUnit.SECONDS);
+            }
+
+        } catch (Exception e) {
+            LOGGER.error(String.format("Catalog notification on vspId - %s action  - %s FAILED. Error: %S",
+                    itemIds.toString(), action.name(), e.getMessage()));
+        }
+        return null;
+    }
+
+    private String getFailedIds(String itemIds, HttpEntity responseBody) {
+        try {
+            Map jsonBody = JsonUtil.json2Object(responseBody.getContent(), Map.class);
+            return jsonBody.get("failedIds").toString();
+        } catch (Exception e) {
+            LOGGER.error("Catalog Notification RETRY - no failed IDs in response");
+        }
+        return JsonUtil.object2Json(itemIds);
+    }
+
+    private HttpPost createPostRequest(String postUrl, String itemIds, String userId)
+            throws UnsupportedEncodingException {
+
+        HttpPost request = new HttpPost(postUrl);
+
+        request.addHeader(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON);
+        request.addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON);
+        request.addHeader(USER_ID_HEADER_PARAM, userId);
+
+        HttpEntity entity = new StringEntity(itemIds);
+        request.setEntity(entity);
+
+        return request;
+    }
+
+    private String getUrl(ItemAction action) {
+        String actionStr = "";
+        if (action == ItemAction.ARCHIVE) {
+            actionStr = "archived";
+        } else if (action == ItemAction.RESTORE) {
+            actionStr = "restored";
+        }
+        LOGGER.error("Catalog notification on URL - " + notifyCatalogUrl + actionStr);
+        return notifyCatalogUrl + actionStr;
+    }
+
+    private static <T> T readFromFile(String file, Function<InputStream, T> reader) throws IOException {
+        try (InputStream is = new FileInputStream(file)) {
+            return reader.apply(is);
+        }
+    }
+}
diff --git a/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/src/main/java/org/openecomp/sdcrests/item/rest/services/ItemsImpl.java b/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/src/main/java/org/openecomp/sdcrests/item/rest/services/ItemsImpl.java
index ae6e24bb65..359662ad33 100644
--- a/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/src/main/java/org/openecomp/sdcrests/item/rest/services/ItemsImpl.java
+++ b/openecomp-be/api/openecomp-sdc-rest-webapp/item-rest/item-rest-services/src/main/java/org/openecomp/sdcrests/item/rest/services/ItemsImpl.java
@@ -21,7 +21,7 @@ import static org.openecomp.sdc.versioning.VersioningNotificationConstansts.ITEM
 import static org.openecomp.sdc.versioning.VersioningNotificationConstansts.ITEM_NAME;
 
 import java.util.Arrays;
-import java.util.Collection;
+import java.util.Collections;
 import java.util.EnumMap;
 import java.util.HashMap;
 import java.util.HashSet;
@@ -66,6 +66,7 @@ import org.springframework.context.annotation.Scope;
 import org.springframework.stereotype.Service;
 import org.springframework.validation.annotation.Validated;
 
+
 @Named
 @Service("items")
 @Scope(value = "prototype")
@@ -85,6 +86,8 @@ public class ItemsImpl implements Items {
     private NotificationPropagationManager notifier =
             NotificationPropagationManagerFactory.getInstance().createInterface();
 
+    private CatalogNotifier catalogNotifier = new CatalogNotifier();
+
     private Map<ItemAction, ActionSideAffects> actionSideAffectsMap = new EnumMap<>(ItemAction.class);
 
     @PostConstruct
@@ -97,6 +100,7 @@ public class ItemsImpl implements Items {
 
     private static final String ONBOARDING_METHOD = "onboardingMethod";
 
+
     @Override
     public Response actOn(ItemActionRequestDto request, String itemId, String user) {
 
@@ -116,6 +120,7 @@ public class ItemsImpl implements Items {
         }
 
         actionSideAffectsMap.get(request.getAction()).execute(item, user);
+        catalogNotifier.execute(Collections.singleton(itemId),request.getAction(),2);
 
         return Response.ok().build();
     }
@@ -131,8 +136,8 @@ public class ItemsImpl implements Items {
         GenericCollectionWrapper<ItemDto> results = new GenericCollectionWrapper<>();
         MapItemToDto mapper = new MapItemToDto();
         itemManager.list(itemPredicate).stream()
-                       .sorted((o1, o2) -> o2.getModificationTime().compareTo(o1.getModificationTime()))
-                       .forEach(item -> results.add(mapper.applyMapping(item, ItemDto.class)));
+                   .sorted((o1, o2) -> o2.getModificationTime().compareTo(o1.getModificationTime()))
+                   .forEach(item -> results.add(mapper.applyMapping(item, ItemDto.class)));
 
         return Response.ok(results).build();
 
@@ -323,4 +328,4 @@ public class ItemsImpl implements Items {
     private enum OnboardingMethod {
         NetworkPackage, Manual;
     }
-}
+}
\ No newline at end of file