001/* 002 * (C) Copyright 2014-2018 Nuxeo (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Thierry Delprat 018 */ 019package org.nuxeo.elasticsearch.audit.pageprovider; 020 021import java.util.ArrayList; 022import java.util.List; 023 024import org.apache.commons.logging.Log; 025import org.apache.commons.logging.LogFactory; 026import org.nuxeo.ecm.core.api.CoreSession; 027import org.nuxeo.ecm.core.api.DocumentModel; 028import org.nuxeo.ecm.core.api.SortInfo; 029import org.nuxeo.ecm.platform.audit.api.document.AdditionalDocumentAuditParams; 030import org.nuxeo.ecm.platform.audit.api.document.DocumentAuditHelper; 031 032public class ESDocumentHistoryPageProvider extends ESAuditPageProvider { 033 034 private static final long serialVersionUID = 1L; 035 036 protected Log log = LogFactory.getLog(ESDocumentHistoryPageProvider.class); 037 038 protected Object[] newParams; 039 040 protected static String singleQuery = "{\n" + // 041 " \"bool\" : {\n" + // 042 " \"must\" : {\n" + // 043 " \"term\" : {\n" + // 044 " \"docUUID\" : \"?\"\n" + // 045 " }\n" + // 046 " }\n" + // 047 " }\n" + // 048 "}\n"; 049 050 protected static String complexQuery = "{\n" + // 051 " \"bool\": {\n" + // 052 " \"should\": [\n" + // 053 " {\n" + // 054 " \"term\": {\n" + // 055 " \"docUUID\": \"?\"\n" + // 056 " }\n" + // 057 " },\n" + // 058 " {\n" + // 059 " \"bool\": {\n" + // 060 " \"must\": [\n" + // 061 " {\n" + // 062 " \"term\": {\n" + // 063 " \"docUUID\": \"?\"\n" + // 064 " }\n" + // 065 " },\n" + // 066 " {\n" + // 067 " \"range\": {\n" + // 068 " \"eventDate\": {\n" + // 069 " \"lte\": \"?\"\n" + // 070 " }\n" + // 071 " }\n" + // 072 " }\n" + // 073 " ]\n" + // 074 " }\n" + // 075 " }\n" + // 076 " ]\n" + // 077 " }\n" + // 078 "}\n"; 079 080 @Override 081 protected String getFixedPart() { 082 if (getParameters().length == 3) { 083 return complexQuery; 084 } else { 085 return singleQuery; 086 } 087 } 088 089 @Override 090 public List<SortInfo> getSortInfos() { 091 092 List<SortInfo> sort = super.getSortInfos(); 093 if (sort == null || sort.size() == 0) { 094 sort = new ArrayList<>(); 095 sort.add(new SortInfo("eventDate", true)); 096 sort.add(new SortInfo("id", true)); 097 } 098 return sort; 099 } 100 101 @Override 102 public Object[] getParameters() { 103 if (newParams == null) { 104 Object[] params = super.getParameters(); 105 if (params.length != 1) { 106 log.error(this.getClass().getSimpleName() 107 + " Expect only one parameter the document uuid, unexpected behavior may occur"); 108 } 109 CoreSession session; 110 String uuid; 111 if (params[0] instanceof DocumentModel) { 112 DocumentModel doc = (DocumentModel) params[0]; 113 uuid = doc.getId(); 114 session = doc.getCoreSession(); 115 } else { 116 session = (CoreSession) getProperties().get(CORE_SESSION_PROPERTY); 117 uuid = params[0].toString(); 118 } 119 if (session != null) { 120 AdditionalDocumentAuditParams additionalParams = DocumentAuditHelper.getAuditParamsForUUID(uuid, 121 session); 122 if (additionalParams != null) { 123 newParams = new Object[] { uuid, additionalParams.getTargetUUID(), additionalParams.getMaxDate() }; 124 } else { 125 newParams = new Object[] { uuid }; 126 } 127 } else { 128 log.warn("No core session found: cannot compute all info to get complete audit entries"); 129 return params; 130 } 131 } 132 return newParams; 133 } 134 135 @Override 136 public boolean hasChangedParameters(Object[] parameters) { 137 return getParametersChanged(this.parameters, parameters); 138 } 139 140}