Java tutorial
/** * Copyright (c) 2000-present Liferay, Inc. All rights reserved. * * This library is free software; you can redistribute it and/or modify it under * the terms of the GNU Lesser General Public License as published by the Free * Software Foundation; either version 2.1 of the License, or (at your option) * any later version. * * This library is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more * details. */ package com.liferay.knowledgebase.service.impl; import com.liferay.knowledgebase.KBCommentContentException; import com.liferay.knowledgebase.admin.social.AdminActivityKeys; import com.liferay.knowledgebase.admin.util.AdminSubscriptionSender; import com.liferay.knowledgebase.admin.util.AdminUtil; import com.liferay.knowledgebase.model.KBArticle; import com.liferay.knowledgebase.model.KBComment; import com.liferay.knowledgebase.model.KBCommentConstants; import com.liferay.knowledgebase.model.KBTemplate; import com.liferay.knowledgebase.service.KBArticleLocalServiceUtil; import com.liferay.knowledgebase.service.KBTemplateLocalServiceUtil; import com.liferay.knowledgebase.service.base.KBCommentLocalServiceBaseImpl; import com.liferay.knowledgebase.util.PortletKeys; import com.liferay.knowledgebase.util.comparator.KBCommentCreateDateComparator; import com.liferay.portal.kernel.exception.PortalException; import com.liferay.portal.kernel.json.JSONFactoryUtil; import com.liferay.portal.kernel.json.JSONObject; import com.liferay.portal.kernel.log.Log; import com.liferay.portal.kernel.log.LogFactoryUtil; import com.liferay.portal.kernel.systemevent.SystemEvent; import com.liferay.portal.kernel.util.OrderByComparator; import com.liferay.portal.kernel.util.StringUtil; import com.liferay.portal.kernel.util.Validator; import com.liferay.portal.kernel.workflow.WorkflowConstants; import com.liferay.portal.model.SystemEventConstants; import com.liferay.portal.model.User; import com.liferay.portal.service.ServiceContext; import com.liferay.portal.util.SubscriptionSender; import java.util.Date; import java.util.List; import javax.portlet.PortletPreferences; /** * @author Peter Shin */ public class KBCommentLocalServiceImpl extends KBCommentLocalServiceBaseImpl { @Override public KBComment addKBComment(long userId, long classNameId, long classPK, String content, boolean helpful, ServiceContext serviceContext) throws PortalException { // KB comment User user = userPersistence.findByPrimaryKey(userId); long groupId = serviceContext.getScopeGroupId(); Date now = new Date(); validate(content); long kbCommentId = counterLocalService.increment(); KBComment kbComment = kbCommentPersistence.create(kbCommentId); kbComment.setUuid(serviceContext.getUuid()); kbComment.setGroupId(groupId); kbComment.setCompanyId(user.getCompanyId()); kbComment.setUserId(user.getUserId()); kbComment.setUserName(user.getFullName()); kbComment.setCreateDate(serviceContext.getCreateDate(now)); kbComment.setModifiedDate(serviceContext.getModifiedDate(now)); kbComment.setClassNameId(classNameId); kbComment.setClassPK(classPK); kbComment.setContent(content); kbComment.setHelpful(helpful); kbComment.setStatus(KBCommentConstants.STATUS_NEW); kbCommentPersistence.update(kbComment); // Social JSONObject extraDataJSONObject = JSONFactoryUtil.createJSONObject(); putTitle(extraDataJSONObject, kbComment); socialActivityLocalService.addActivity(userId, kbComment.getGroupId(), KBComment.class.getName(), kbCommentId, AdminActivityKeys.ADD_KB_COMMENT, extraDataJSONObject.toString(), 0); // Subscriptions notifySubscribers(kbComment, serviceContext); return kbComment; } @Override @SystemEvent(type = SystemEventConstants.TYPE_DELETE) public KBComment deleteKBComment(KBComment kbComment) throws PortalException { // KB comment kbCommentPersistence.remove(kbComment); // Social socialActivityLocalService.deleteActivities(KBComment.class.getName(), kbComment.getKbCommentId()); return kbComment; } @Override public KBComment deleteKBComment(long kbCommentId) throws PortalException { KBComment kbComment = kbCommentPersistence.findByPrimaryKey(kbCommentId); return kbCommentLocalService.deleteKBComment(kbComment); } @Override public void deleteKBComments(String className, long classPK) throws PortalException { long classNameId = classNameLocalService.getClassNameId(className); List<KBComment> kbComments = kbCommentPersistence.findByC_C(classNameId, classPK); for (KBComment kbComment : kbComments) { kbCommentLocalService.deleteKBComment(kbComment); } } @Override public KBComment getKBComment(long userId, String className, long classPK) throws PortalException { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.findByU_C_C_Last(userId, classNameId, classPK, new KBCommentCreateDateComparator()); } @Override public List<KBComment> getKBComments(long groupId, int status, int start, int end) { return kbCommentPersistence.findByG_S(groupId, status, start, end); } @Override public List<KBComment> getKBComments(long userId, String className, long classPK, int start, int end, OrderByComparator<KBComment> orderByComparator) { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.findByU_C_C(userId, classNameId, classPK, start, end, orderByComparator); } @Override public List<KBComment> getKBComments(String className, long classPK, int start, int end, OrderByComparator<KBComment> orderByComparator) { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.findByC_C(classNameId, classPK, start, end, orderByComparator); } @Override public List<KBComment> getKBComments(String className, long classPK, int[] status, int start, int end) { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.findByC_C_S(classNameId, classPK, status, start, end, new KBCommentCreateDateComparator()); } @Override public int getKBCommentsCount(long groupId, int status) { return kbCommentPersistence.countByG_S(groupId, status); } @Override public int getKBCommentsCount(long userId, String className, long classPK) { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.countByU_C_C(userId, classNameId, classPK); } @Override public int getKBCommentsCount(String className, long classPK) { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.countByC_C(classNameId, classPK); } @Override public int getKBCommentsCount(String className, long classPK, int status) { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.countByC_C_S(classNameId, classPK, status); } @Override public int getKBCommentsCount(String className, long classPK, int[] status) { long classNameId = classNameLocalService.getClassNameId(className); return kbCommentPersistence.countByC_C_S(classNameId, classPK, status); } @Override public KBComment updateKBComment(long kbCommentId, long classNameId, long classPK, String content, boolean helpful, int status, ServiceContext serviceContext) throws PortalException { // KB comment validate(content); KBComment kbComment = kbCommentPersistence.findByPrimaryKey(kbCommentId); kbComment.setModifiedDate(serviceContext.getModifiedDate(null)); kbComment.setClassNameId(classNameId); kbComment.setClassPK(classPK); kbComment.setContent(content); kbComment.setHelpful(helpful); kbComment.setStatus(status); kbCommentPersistence.update(kbComment); // Social JSONObject extraDataJSONObject = JSONFactoryUtil.createJSONObject(); putTitle(extraDataJSONObject, kbComment); socialActivityLocalService.addActivity(kbComment.getUserId(), kbComment.getGroupId(), KBComment.class.getName(), kbCommentId, AdminActivityKeys.UPDATE_KB_COMMENT, extraDataJSONObject.toString(), 0); return kbComment; } public KBComment updateStatus(long kbCommentId, int status, ServiceContext serviceContext) throws PortalException { KBComment kbComment = kbCommentPersistence.findByPrimaryKey(kbCommentId); kbComment.setStatus(status); kbCommentPersistence.update(kbComment); notifySubscribers(kbComment, serviceContext); return kbComment; } protected void notifySubscribers(KBComment kbComment, ServiceContext serviceContext) throws PortalException { PortletPreferences preferences = portletPreferencesLocalService.getPreferences(kbComment.getCompanyId(), kbComment.getGroupId(), PortletKeys.PREFS_OWNER_TYPE_GROUP, PortletKeys.PREFS_PLID_SHARED, PortletKeys.KNOWLEDGE_BASE_ADMIN, null); if (!AdminUtil.isFeedbackStatusChangeNotificationEnabled(kbComment.getStatus(), preferences)) { return; } String fromName = AdminUtil.getEmailFromName(preferences, serviceContext.getCompanyId()); String fromAddress = AdminUtil.getEmailFromAddress(preferences, kbComment.getCompanyId()); String subject = AdminUtil.getEmailKBArticleFeedbackNotificationSubject(kbComment.getStatus(), preferences); String body = AdminUtil.getEmailKBArticleFeedbackNotificationBody(kbComment.getStatus(), preferences); KBArticle kbArticle = kbArticleLocalService.getLatestKBArticle(kbComment.getClassPK(), WorkflowConstants.STATUS_APPROVED); String kbArticleContent = StringUtil.replace(kbArticle.getContent(), new String[] { "href=\"/", "src=\"/" }, new String[] { "href=\"" + serviceContext.getPortalURL() + "/", "src=\"" + serviceContext.getPortalURL() + "/" }); SubscriptionSender subscriptionSender = new AdminSubscriptionSender(kbArticle, serviceContext); subscriptionSender.setBody(body); subscriptionSender.setCompanyId(kbArticle.getCompanyId()); subscriptionSender.setContextAttribute("[$ARTICLE_CONTENT$]", kbArticleContent, false); subscriptionSender.setContextAttribute("[$ARTICLE_TITLE$]", kbArticle.getTitle(), false); subscriptionSender.setContextAttribute("[$COMMENT_CONTENT$]", kbComment.getContent(), false); subscriptionSender.setContextUserPrefix("ARTICLE"); subscriptionSender.setFrom(fromAddress, fromName); subscriptionSender.setHtmlFormat(true); subscriptionSender.setMailId("kb_article", kbArticle.getKbArticleId()); subscriptionSender.setPortletId(serviceContext.getPortletId()); subscriptionSender.setReplyToAddress(fromAddress); subscriptionSender.setScopeGroupId(kbArticle.getGroupId()); subscriptionSender.setSubject(subject); subscriptionSender.setUserId(kbArticle.getUserId()); User user = userLocalService.getUser(kbComment.getUserId()); subscriptionSender.addRuntimeSubscribers(user.getEmailAddress(), user.getFullName()); subscriptionSender.flushNotificationsAsync(); } protected void putTitle(JSONObject jsonObject, KBComment kbComment) { KBArticle kbArticle = null; KBTemplate kbTemplate = null; String className = kbComment.getClassName(); try { if (className.equals(KBArticle.class.getName())) { kbArticle = KBArticleLocalServiceUtil.getLatestKBArticle(kbComment.getClassPK(), WorkflowConstants.STATUS_APPROVED); jsonObject.put("title", kbArticle.getTitle()); } else if (className.equals(KBTemplate.class.getName())) { kbTemplate = KBTemplateLocalServiceUtil.getKBTemplate(kbComment.getClassPK()); jsonObject.put("title", kbTemplate.getTitle()); } } catch (Exception e) { _log.error(e); } } protected void validate(String content) throws PortalException { if (Validator.isNull(content)) { throw new KBCommentContentException(); } } private static Log _log = LogFactoryUtil.getLog(KBCommentLocalServiceImpl.class); }