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211
...arbon.email.mgt/src/main/java/org/wso2/carbon/email/mgt/store/DefaultTemplateManager.java
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| /* | ||
| * Copyright (c) 2024, WSO2 LLC. (http://www.wso2.com). | ||
| * | ||
| * WSO2 LLC. licenses this file to you 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. | ||
| */ | ||
|
|
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| package org.wso2.carbon.email.mgt.store; | ||
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| import org.wso2.carbon.identity.governance.exceptions.notiification.NotificationTemplateManagerServerException; | ||
| import org.wso2.carbon.identity.governance.model.NotificationTemplate; | ||
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|
||
| import java.util.ArrayList; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map; | ||
| import java.util.Set; | ||
|
|
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| /** | ||
| * This class serves as a unified template management system that delegates the template persistence operations | ||
| * to both template persistent manger crafted from the factory and an in-memory manager. | ||
| * This class will function as a wrapper class for the template manager produced from the factory. | ||
| */ | ||
| public class DefaultTemplateManager implements TemplatePersistenceManager { | ||
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| private final TemplatePersistenceManager templatePersistenceManager; | ||
| private final TemplatePersistenceManager inMemoryTemplateManager = new InMemoryBasedTemplateManager(); | ||
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| public DefaultTemplateManager() { | ||
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| TemplatePersistenceManagerFactory templatePersistenceManagerFactory = new TemplatePersistenceManagerFactory(); | ||
| this.templatePersistenceManager = templatePersistenceManagerFactory.getTemplatePersistenceManager(); | ||
| } | ||
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| @Override | ||
| public void addNotificationTemplateType(String displayName, String notificationChannel, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| templatePersistenceManager.addNotificationTemplateType(displayName, notificationChannel, tenantDomain); | ||
| } | ||
|
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| @Override | ||
| public boolean isNotificationTemplateTypeExists(String displayName, String notificationChannel, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| return templatePersistenceManager.isNotificationTemplateTypeExists(displayName, notificationChannel, | ||
| tenantDomain) || | ||
| inMemoryTemplateManager.isNotificationTemplateTypeExists(displayName, notificationChannel, | ||
| tenantDomain); | ||
| } | ||
|
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| @Override | ||
| public List<String> listNotificationTemplateTypes(String notificationChannel, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| List<String> dbBasedTemplateTypes = templatePersistenceManager.listNotificationTemplateTypes | ||
| (notificationChannel, tenantDomain); | ||
| List<String> inMemoryTemplateTypes = inMemoryTemplateManager.listNotificationTemplateTypes(notificationChannel, | ||
| tenantDomain); | ||
|
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| return mergeAndRemoveDuplicates(dbBasedTemplateTypes, inMemoryTemplateTypes); | ||
| } | ||
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| @Override | ||
| public void deleteNotificationTemplateType(String displayName, String notificationChannel, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
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| if (templatePersistenceManager.isNotificationTemplateTypeExists(displayName, notificationChannel, | ||
| tenantDomain)) { | ||
| templatePersistenceManager.deleteNotificationTemplateType(displayName, notificationChannel, tenantDomain); | ||
| } | ||
| } | ||
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| @Override | ||
| public void addOrUpdateNotificationTemplate(NotificationTemplate notificationTemplate, String applicationUuid, | ||
| String tenantDomain) throws NotificationTemplateManagerServerException { | ||
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| templatePersistenceManager.addOrUpdateNotificationTemplate(notificationTemplate, applicationUuid, tenantDomain); | ||
| } | ||
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| @Override | ||
| public boolean isNotificationTemplateExists(String displayName, String locale, String notificationChannel, | ||
| String applicationUuid, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| return templatePersistenceManager.isNotificationTemplateExists(displayName, locale, notificationChannel, | ||
| applicationUuid, tenantDomain) || | ||
| inMemoryTemplateManager.isNotificationTemplateExists(displayName, locale, notificationChannel, | ||
| applicationUuid, tenantDomain); | ||
| } | ||
|
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| @Override | ||
| public NotificationTemplate getNotificationTemplate(String displayName, String locale, String notificationChannel, | ||
| String applicationUuid, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| if (templatePersistenceManager.isNotificationTemplateExists(displayName, locale, notificationChannel, | ||
| applicationUuid, tenantDomain)) { | ||
| return templatePersistenceManager.getNotificationTemplate(displayName, locale, notificationChannel, | ||
| applicationUuid, tenantDomain); | ||
| } else { | ||
| return inMemoryTemplateManager.getNotificationTemplate(displayName, locale, notificationChannel, | ||
| applicationUuid, tenantDomain); | ||
| } | ||
| } | ||
|
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| @Override | ||
| public List<NotificationTemplate> listNotificationTemplates(String templateType, String notificationChannel, | ||
| String applicationUuid, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| List<NotificationTemplate> dbBasedTemplates = new ArrayList<>(); | ||
| if (templatePersistenceManager.isNotificationTemplateTypeExists(templateType, notificationChannel, | ||
| tenantDomain)) { | ||
| dbBasedTemplates = | ||
| templatePersistenceManager.listNotificationTemplates(templateType, notificationChannel, | ||
| applicationUuid, tenantDomain); | ||
| } | ||
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| List<NotificationTemplate> inMemoryBasedTemplates = new ArrayList<>(); | ||
| if (inMemoryTemplateManager.isNotificationTemplateTypeExists(templateType, notificationChannel, | ||
| tenantDomain)) { | ||
| inMemoryBasedTemplates = | ||
| inMemoryTemplateManager.listNotificationTemplates(templateType, notificationChannel, | ||
| applicationUuid, tenantDomain); | ||
| } | ||
|
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| return mergeAndRemoveDuplicateTemplates(dbBasedTemplates, inMemoryBasedTemplates); | ||
| } | ||
|
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| @Override | ||
| public List<NotificationTemplate> listAllNotificationTemplates(String notificationChannel, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| List<NotificationTemplate> dbBasedTemplates = | ||
| templatePersistenceManager.listAllNotificationTemplates(notificationChannel, tenantDomain); | ||
| List<NotificationTemplate> inMemoryBasedTemplates = | ||
| inMemoryTemplateManager.listAllNotificationTemplates(notificationChannel, tenantDomain); | ||
|
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| return mergeAndRemoveDuplicateTemplates(dbBasedTemplates, inMemoryBasedTemplates); | ||
| } | ||
|
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| @Override | ||
| public void deleteNotificationTemplate(String displayName, String locale, String notificationChannel, | ||
| String applicationUuid, String tenantDomain) | ||
| throws NotificationTemplateManagerServerException { | ||
|
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| if (templatePersistenceManager.isNotificationTemplateExists(displayName, locale, notificationChannel, | ||
| applicationUuid, tenantDomain)) { | ||
| templatePersistenceManager.deleteNotificationTemplate(displayName, locale, notificationChannel, applicationUuid, | ||
| tenantDomain); | ||
| } | ||
| } | ||
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| @Override | ||
| public void deleteNotificationTemplates(String displayName, String notificationChannel, String applicationUuid, | ||
| String tenantDomain) throws NotificationTemplateManagerServerException { | ||
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| if (templatePersistenceManager.isNotificationTemplateTypeExists(displayName, notificationChannel, | ||
| tenantDomain)) { | ||
| templatePersistenceManager.deleteNotificationTemplates(displayName, notificationChannel, applicationUuid, | ||
| tenantDomain); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Merges two lists and removes duplicates. | ||
| * | ||
| * @param dbBasedTemplates DbBasedTemplates | ||
| * @param inMemoryTemplates InMemoryTemplates | ||
| * @return Merged list without duplicates. | ||
| */ | ||
| private <T> List<T> mergeAndRemoveDuplicates(List<T> dbBasedTemplates, List<T> inMemoryTemplates) { | ||
|
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| Set<T> uniqueElements = new HashSet<>(); | ||
| uniqueElements.addAll(dbBasedTemplates); | ||
| uniqueElements.addAll(inMemoryTemplates); | ||
| return new ArrayList<>(uniqueElements); | ||
| } | ||
|
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| /** | ||
| * Merges two NotificationTemplate lists and removes duplicate templates. | ||
| * | ||
| * @param dbBasedTemplates DbBasedTemplates | ||
| * @param inMemoryTemplates InMemoryTemplates | ||
| * @return Merged list without duplicates. | ||
| */ | ||
| private List<NotificationTemplate> mergeAndRemoveDuplicateTemplates( | ||
| List<NotificationTemplate> dbBasedTemplates, | ||
| List<NotificationTemplate> inMemoryTemplates) { | ||
|
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| Map<String, NotificationTemplate> templateMap = new HashMap<>(); | ||
| dbBasedTemplates.forEach(template -> templateMap.put(template.getDisplayName(), template)); | ||
|
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| // Add in-memory templates, only if not already present | ||
| inMemoryTemplates.forEach(template -> templateMap.putIfAbsent(template.getDisplayName(), template)); | ||
| return new ArrayList<>(templateMap.values()); | ||
| } | ||
| } |
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