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1   /**
2    * Copyright 2005-2012 The Kuali Foundation
3    *
4    * Licensed under the Educational Community License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    *
8    * http://www.opensource.org/licenses/ecl2.php
9    *
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  package org.kuali.rice.kew.docsearch.service.impl;
17  
18  import org.apache.commons.collections.CollectionUtils;
19  import org.apache.commons.lang.StringUtils;
20  import org.joda.time.DateTime;
21  import org.joda.time.MutableDateTime;
22  import org.kuali.rice.core.api.CoreApiServiceLocator;
23  import org.kuali.rice.core.api.config.property.ConfigContext;
24  import org.kuali.rice.core.api.config.property.ConfigurationService;
25  import org.kuali.rice.core.api.reflect.ObjectDefinition;
26  import org.kuali.rice.core.api.resourceloader.GlobalResourceLoader;
27  import org.kuali.rice.core.api.uif.RemotableAttributeError;
28  import org.kuali.rice.core.api.uif.RemotableAttributeField;
29  import org.kuali.rice.core.api.util.ConcreteKeyValue;
30  import org.kuali.rice.core.api.util.KeyValue;
31  import org.kuali.rice.kew.api.KewApiConstants;
32  import org.kuali.rice.kew.api.WorkflowRuntimeException;
33  import org.kuali.rice.kew.api.document.attribute.DocumentAttribute;
34  import org.kuali.rice.kew.api.document.attribute.DocumentAttributeFactory;
35  import org.kuali.rice.kew.api.document.search.DocumentSearchCriteria;
36  import org.kuali.rice.kew.api.document.search.DocumentSearchResult;
37  import org.kuali.rice.kew.api.document.search.DocumentSearchResults;
38  import org.kuali.rice.kew.docsearch.DocumentSearchCustomizationMediator;
39  import org.kuali.rice.kew.docsearch.DocumentSearchInternalUtils;
40  import org.kuali.rice.kew.docsearch.dao.DocumentSearchDAO;
41  import org.kuali.rice.kew.docsearch.service.DocumentSearchService;
42  import org.kuali.rice.kew.doctype.SecuritySession;
43  import org.kuali.rice.kew.doctype.bo.DocumentType;
44  import org.kuali.rice.kew.exception.WorkflowServiceError;
45  import org.kuali.rice.kew.exception.WorkflowServiceErrorException;
46  import org.kuali.rice.kew.exception.WorkflowServiceErrorImpl;
47  import org.kuali.rice.kew.framework.document.search.AttributeFields;
48  import org.kuali.rice.kew.framework.document.search.DocumentSearchCriteriaConfiguration;
49  import org.kuali.rice.kew.framework.document.search.DocumentSearchResultValue;
50  import org.kuali.rice.kew.framework.document.search.DocumentSearchResultValues;
51  import org.kuali.rice.kew.impl.document.search.DocumentSearchGenerator;
52  import org.kuali.rice.kew.impl.document.search.DocumentSearchGeneratorImpl;
53  import org.kuali.rice.kew.service.KEWServiceLocator;
54  import org.kuali.rice.kew.useroptions.UserOptions;
55  import org.kuali.rice.kew.useroptions.UserOptionsService;
56  import org.kuali.rice.kew.util.Utilities;
57  import org.kuali.rice.kim.api.group.Group;
58  import org.kuali.rice.kim.api.services.KimApiServiceLocator;
59  import org.kuali.rice.kns.service.DictionaryValidationService;
60  import org.kuali.rice.kns.service.DataDictionaryService;
61  import org.kuali.rice.kns.service.KNSServiceLocator;
62  import org.kuali.rice.krad.service.KRADServiceLocator;
63  import org.kuali.rice.krad.util.GlobalVariables;
64  
65  import java.io.IOException;
66  import java.text.SimpleDateFormat;
67  import java.util.ArrayList;
68  import java.util.Collection;
69  import java.util.Collections;
70  import java.util.HashMap;
71  import java.util.HashSet;
72  import java.util.LinkedHashMap;
73  import java.util.List;
74  import java.util.Map;
75  import java.util.Set;
76  
77  public class DocumentSearchServiceImpl implements DocumentSearchService {
78  
79  	private static final org.apache.log4j.Logger LOG = org.apache.log4j.Logger.getLogger(DocumentSearchServiceImpl.class);
80  
81  	private static final int MAX_SEARCH_ITEMS = 5;
82  	private static final String LAST_SEARCH_ORDER_OPTION = "DocSearch.LastSearch.Order";
83  	private static final String NAMED_SEARCH_ORDER_BASE = "DocSearch.NamedSearch.";
84  	private static final String LAST_SEARCH_BASE_NAME = "DocSearch.LastSearch.Holding";
85      private static final String DOC_SEARCH_CRITERIA_CLASS = "org.kuali.rice.kew.api.document.search.DocumentSearchCriteria";
86      private static final String DATA_TYPE_DATE = "datetime";
87  
88  	private volatile ConfigurationService kualiConfigurationService;
89      private DocumentSearchCustomizationMediator documentSearchCustomizationMediator;
90  
91  	private DocumentSearchDAO docSearchDao;
92  	private UserOptionsService userOptionsService;
93  
94      private static DictionaryValidationService dictionaryValidationService;
95      private static DataDictionaryService dataDictionaryService;
96  
97  	public void setDocumentSearchDAO(DocumentSearchDAO docSearchDao) {
98  		this.docSearchDao = docSearchDao;
99  	}
100 
101 	public void setUserOptionsService(UserOptionsService userOptionsService) {
102 		this.userOptionsService = userOptionsService;
103 	}
104 
105     public void setDocumentSearchCustomizationMediator(DocumentSearchCustomizationMediator documentSearchCustomizationMediator) {
106         this.documentSearchCustomizationMediator = documentSearchCustomizationMediator;
107     }
108 
109     protected DocumentSearchCustomizationMediator getDocumentSearchCustomizationMediator() {
110         return this.documentSearchCustomizationMediator;
111     }
112 
113     @Override
114 	public void clearNamedSearches(String principalId) {
115 		String[] clearListNames = { NAMED_SEARCH_ORDER_BASE + "%", LAST_SEARCH_BASE_NAME + "%", LAST_SEARCH_ORDER_OPTION + "%" };
116         for (String clearListName : clearListNames)
117         {
118             List<UserOptions> records = userOptionsService.findByUserQualified(principalId, clearListName);
119             for (UserOptions userOptions : records) {
120                 userOptionsService.deleteUserOptions(userOptions);
121             }
122         }
123 	}
124 
125     @Override
126     public DocumentSearchCriteria getNamedSearchCriteria(String principalId, String searchName) {
127         //if not prefixed, prefix it.  otherwise, leave as-is
128         searchName = searchName.startsWith(NAMED_SEARCH_ORDER_BASE) ? searchName : (NAMED_SEARCH_ORDER_BASE + searchName);
129         return getSavedSearchCriteria(principalId, searchName);
130     }
131 
132     @Override
133     public DocumentSearchCriteria getSavedSearchCriteria(String principalId, String searchName) {
134         UserOptions savedSearch = userOptionsService.findByOptionId(searchName, principalId);
135         if (savedSearch == null) {
136             return null;
137         }
138         return getCriteriaFromSavedSearch(savedSearch);
139     }
140 
141     protected DocumentSearchCriteria getCriteriaFromSavedSearch(UserOptions savedSearch) {
142         String optionValue = savedSearch.getOptionVal();
143         try {
144             return DocumentSearchInternalUtils.unmarshalDocumentSearchCriteria(optionValue);
145         } catch (IOException e) {
146             //we need to remove the offending records, otherwise the User is stuck until User options are cleared out manually
147             LOG.warn("Failed to load saved search for name '" + savedSearch.getOptionId() + "' removing saved search from database.");
148             userOptionsService.deleteUserOptions(savedSearch);
149             return DocumentSearchCriteria.Builder.create().build();
150 
151         }
152     }
153 
154     private String getOptionCriteriaField(UserOptions userOption, String fieldName) {
155         String value = userOption.getOptionVal();
156         if (value != null) {
157             String[] fields = value.split(",,");
158             for (String field : fields)
159             {
160                 if (field.startsWith(fieldName + "="))
161                 {
162                     return field.substring(field.indexOf(fieldName) + fieldName.length() + 1, field.length());
163                 }
164             }
165         }
166         return null;
167     }
168 
169     @Override
170 	public DocumentSearchResults lookupDocuments(String principalId, DocumentSearchCriteria criteria) {
171 		DocumentSearchGenerator docSearchGenerator = getStandardDocumentSearchGenerator();
172 		DocumentType documentType = KEWServiceLocator.getDocumentTypeService().findByNameCaseInsensitive(criteria.getDocumentTypeName());
173         DocumentSearchCriteria.Builder criteriaBuilder = DocumentSearchCriteria.Builder.create(criteria);
174         validateDocumentSearchCriteria(docSearchGenerator, criteriaBuilder);
175         DocumentSearchCriteria builtCriteria = applyCriteriaCustomizations(documentType, criteriaBuilder.build());
176 
177         // copy over applicationDocumentStatuses if they came back empty -- version compatibility hack!
178         // we could have called into an older client that didn't have the field and it got wiped, but we
179         // still want doc search to work as advertised.
180         if (!CollectionUtils.isEmpty(criteria.getApplicationDocumentStatuses())
181                 && CollectionUtils.isEmpty(builtCriteria.getApplicationDocumentStatuses())) {
182             DocumentSearchCriteria.Builder patchedCriteria = DocumentSearchCriteria.Builder.create(builtCriteria);
183             patchedCriteria.setApplicationDocumentStatuses(criteriaBuilder.getApplicationDocumentStatuses());
184             builtCriteria = patchedCriteria.build();
185         }
186 
187         builtCriteria = applyCriteriaDefaults(builtCriteria);
188         boolean criteriaModified = !criteria.equals(builtCriteria);
189         List<RemotableAttributeField> searchFields = determineSearchFields(documentType);
190         DocumentSearchResults.Builder searchResults = docSearchDao.findDocuments(docSearchGenerator, builtCriteria, criteriaModified, searchFields);
191         if (documentType != null) {
192              // Pass in the principalId as part of searchCriteria to result customizers
193             //TODO: The right way  to do this should have been to update the API for document customizer
194 
195             DocumentSearchCriteria.Builder docSearchUserIdCriteriaBuilder = DocumentSearchCriteria.Builder.create(builtCriteria);
196             docSearchUserIdCriteriaBuilder.setDocSearchUserId(principalId);
197             DocumentSearchCriteria docSearchUserIdCriteria = docSearchUserIdCriteriaBuilder.build();
198 
199             DocumentSearchResultValues resultValues = getDocumentSearchCustomizationMediator().customizeResults(documentType, docSearchUserIdCriteria, searchResults.build());
200             if (resultValues != null && CollectionUtils.isNotEmpty(resultValues.getResultValues())) {
201                 Map<String, DocumentSearchResultValue> resultValueMap = new HashMap<String, DocumentSearchResultValue>();
202                 for (DocumentSearchResultValue resultValue : resultValues.getResultValues()) {
203                     resultValueMap.put(resultValue.getDocumentId(), resultValue);
204                 }
205                 for (DocumentSearchResult.Builder result : searchResults.getSearchResults()) {
206                     DocumentSearchResultValue value = resultValueMap.get(result.getDocument().getDocumentId());
207                     if (value != null) {
208                         applyResultCustomization(result, value);
209                     }
210                 }
211             }
212         }
213 
214         if (StringUtils.isNotBlank(principalId) && !searchResults.getSearchResults().isEmpty()) {
215             DocumentSearchResults builtResults = searchResults.build();
216             Set<String> authorizedDocumentIds = KEWServiceLocator.getDocumentSecurityService().documentSearchResultAuthorized(
217                     principalId, builtResults, new SecuritySession(principalId));
218             if (CollectionUtils.isNotEmpty(authorizedDocumentIds)) {
219                 int numFiltered = 0;
220                 List<DocumentSearchResult.Builder> finalResults = new ArrayList<DocumentSearchResult.Builder>();
221                 for (DocumentSearchResult.Builder result : searchResults.getSearchResults()) {
222                     if (authorizedDocumentIds.contains(result.getDocument().getDocumentId())) {
223                         finalResults.add(result);
224                     } else {
225                         numFiltered++;
226                     }
227                 }
228                 searchResults.setSearchResults(finalResults);
229                 searchResults.setNumberOfSecurityFilteredResults(numFiltered);
230             } else {
231                 searchResults.setNumberOfSecurityFilteredResults(searchResults.getSearchResults().size());
232                 searchResults.setSearchResults(Collections.<DocumentSearchResult.Builder>emptyList());
233             }
234         }
235         saveSearch(principalId, builtCriteria);
236         return searchResults.build();
237 	}
238 
239     protected void applyResultCustomization(DocumentSearchResult.Builder result, DocumentSearchResultValue value) {
240         Map<String, List<DocumentAttribute.AbstractBuilder<?>>> customizedAttributeMap =
241                 new LinkedHashMap<String, List<DocumentAttribute.AbstractBuilder<?>>>();
242         for (DocumentAttribute customizedAttribute : value.getDocumentAttributes()) {
243             List<DocumentAttribute.AbstractBuilder<?>> attributesForName = customizedAttributeMap.get(customizedAttribute.getName());
244             if (attributesForName == null) {
245                 attributesForName = new ArrayList<DocumentAttribute.AbstractBuilder<?>>();
246                 customizedAttributeMap.put(customizedAttribute.getName(), attributesForName);
247             }
248             attributesForName.add(DocumentAttributeFactory.loadContractIntoBuilder(customizedAttribute));
249         }
250         // keep track of what we've already applied customizations for, since those will replace existing attributes with that name
251         Set<String> documentAttributeNamesCustomized = new HashSet<String>();
252         List<DocumentAttribute.AbstractBuilder<?>> newDocumentAttributes = new ArrayList<DocumentAttribute.AbstractBuilder<?>>();
253         for (DocumentAttribute.AbstractBuilder<?> documentAttribute : result.getDocumentAttributes()) {
254             String name = documentAttribute.getName();
255             if (customizedAttributeMap.containsKey(name)) {
256                 if (!documentAttributeNamesCustomized.contains(name)) {
257                     documentAttributeNamesCustomized.add(name);
258                     newDocumentAttributes.addAll(customizedAttributeMap.get(name));
259                 }
260             } else {
261                 newDocumentAttributes.add(documentAttribute);
262             }
263         }
264         result.setDocumentAttributes(newDocumentAttributes);
265     }
266 
267 
268     /**
269      * Applies any document type-specific customizations to the lookup criteria.  If no customizations are configured
270      * for the document type, this method will simply return the criteria that is passed to it.  If
271      * the given DocumentType is null, then this method will also simply return the criteria that is passed to it.
272      */
273     protected DocumentSearchCriteria applyCriteriaCustomizations(DocumentType documentType, DocumentSearchCriteria criteria) {
274         if (documentType == null) {
275             return criteria;
276         }
277         DocumentSearchCriteria customizedCriteria = getDocumentSearchCustomizationMediator().customizeCriteria(documentType, criteria);
278         if (customizedCriteria != null) {
279             return customizedCriteria;
280         }
281         return criteria;
282     }
283 
284     protected DocumentSearchCriteria applyCriteriaDefaults(DocumentSearchCriteria criteria) {
285         DocumentSearchCriteria.Builder comparisonCriteria = createEmptyComparisonCriteria(criteria);
286         boolean isCriteriaEmpty = criteria.equals(comparisonCriteria.build());
287         boolean isTitleOnly = false;
288         boolean isDocTypeOnly = false;
289         if (!isCriteriaEmpty) {
290             comparisonCriteria.setTitle(criteria.getTitle());
291             isTitleOnly = criteria.equals(comparisonCriteria.build());
292         }
293 
294         if (!isCriteriaEmpty && !isTitleOnly) {
295             comparisonCriteria = createEmptyComparisonCriteria(criteria);
296             comparisonCriteria.setDocumentTypeName(criteria.getDocumentTypeName());
297             isDocTypeOnly = criteria.equals(comparisonCriteria.build());
298         }
299 
300         if (isCriteriaEmpty || isTitleOnly || isDocTypeOnly) {
301             DocumentSearchCriteria.Builder criteriaBuilder = DocumentSearchCriteria.Builder.create(criteria);
302             Integer defaultCreateDateDaysAgoValue = null;
303             if (isCriteriaEmpty || isDocTypeOnly) {
304                 // if they haven't set any criteria, default the from created date to today minus days from constant variable
305                 defaultCreateDateDaysAgoValue = KewApiConstants.DOCUMENT_SEARCH_NO_CRITERIA_CREATE_DATE_DAYS_AGO;
306             } else if (isTitleOnly) {
307                 // If the document title is the only field which was entered, we want to set the "from" date to be X
308                 // days ago.  This will allow for a more efficient query.
309                 defaultCreateDateDaysAgoValue = KewApiConstants.DOCUMENT_SEARCH_DOC_TITLE_CREATE_DATE_DAYS_AGO;
310             }
311 
312             if (defaultCreateDateDaysAgoValue != null) {
313                 // add a default create date
314                 MutableDateTime mutableDateTime = new MutableDateTime();
315                 mutableDateTime.addDays(defaultCreateDateDaysAgoValue.intValue());
316                 criteriaBuilder.setDateCreatedFrom(mutableDateTime.toDateTime());
317             }
318             criteria = criteriaBuilder.build();
319         }
320         return criteria;
321     }
322 
323     protected DocumentSearchCriteria.Builder createEmptyComparisonCriteria(DocumentSearchCriteria criteria) {
324         DocumentSearchCriteria.Builder builder = DocumentSearchCriteria.Builder.create();
325         // copy over the fields that shouldn't be considered when determining if the criteria is empty
326         builder.setSaveName(criteria.getSaveName());
327         builder.setStartAtIndex(criteria.getStartAtIndex());
328         builder.setMaxResults(criteria.getMaxResults());
329         builder.setIsAdvancedSearch(criteria.getIsAdvancedSearch());
330         builder.setSearchOptions(criteria.getSearchOptions());
331         return builder;
332     }
333 
334     protected List<RemotableAttributeField> determineSearchFields(DocumentType documentType) {
335         List<RemotableAttributeField> searchFields = new ArrayList<RemotableAttributeField>();
336         if (documentType != null) {
337             DocumentSearchCriteriaConfiguration searchConfiguration =
338                     getDocumentSearchCustomizationMediator().getDocumentSearchCriteriaConfiguration(documentType);
339             if (searchConfiguration != null) {
340                 List<AttributeFields> attributeFields = searchConfiguration.getSearchAttributeFields();
341                 if (attributeFields != null) {
342                     for (AttributeFields fields : attributeFields) {
343                         searchFields.addAll(fields.getRemotableAttributeFields());
344                     }
345                 }
346             }
347         }
348         return searchFields;
349     }
350 
351     public DocumentSearchGenerator getStandardDocumentSearchGenerator() {
352 	String searchGeneratorClass = ConfigContext.getCurrentContextConfig().getProperty(KewApiConstants.STANDARD_DOC_SEARCH_GENERATOR_CLASS_CONFIG_PARM);
353 	if (searchGeneratorClass == null){
354 	    return new DocumentSearchGeneratorImpl();
355 	}
356     	return (DocumentSearchGenerator)GlobalResourceLoader.getObject(new ObjectDefinition(searchGeneratorClass));
357     }
358 
359     @Override
360     public void validateDocumentSearchCriteria(DocumentSearchGenerator docSearchGenerator, DocumentSearchCriteria.Builder criteria) {
361         List<WorkflowServiceError> errors = this.validateWorkflowDocumentSearchCriteria(criteria);
362         List<RemotableAttributeError> searchAttributeErrors = docSearchGenerator.validateSearchableAttributes(criteria);
363         if (!CollectionUtils.isEmpty(searchAttributeErrors)) {
364             // attribute errors are fully materialized error messages, so the only "key" that makes sense is to use "error.custom"
365             for (RemotableAttributeError searchAttributeError : searchAttributeErrors) {
366                 for (String errorMessage : searchAttributeError.getErrors()) {
367                     WorkflowServiceError error = new WorkflowServiceErrorImpl(errorMessage, "error.custom", errorMessage);
368                     errors.add(error);
369                 }
370             }
371         }
372         if (!errors.isEmpty() || !GlobalVariables.getMessageMap().hasNoErrors()) {
373             throw new WorkflowServiceErrorException("Document Search Validation Errors", errors);
374         }
375     }
376 
377     protected List<WorkflowServiceError> validateWorkflowDocumentSearchCriteria(DocumentSearchCriteria.Builder criteria) {
378         List<WorkflowServiceError> errors = new ArrayList<WorkflowServiceError>();
379 
380         // trim the principal names, validation isn't really necessary, because if not found, no results will be
381         // returned.
382         criteria.setApproverPrincipalName(trimCriteriaValue(criteria.getApproverPrincipalName()));
383         criteria.setViewerPrincipalName(trimCriteriaValue(criteria.getViewerPrincipalName()));
384         criteria.setInitiatorPrincipalName(trimCriteriaValue(criteria.getInitiatorPrincipalName()));
385         validateGroupCriteria(criteria, errors);
386         criteria.setDocumentId(criteria.getDocumentId());
387 
388         // validate any dates
389         boolean compareDatePairs = true;
390         if (criteria.getDateCreatedFrom() == null) {
391             compareDatePairs = false;
392         }
393         else {
394             if (!validateDate("dateCreatedFrom", criteria.getDateCreatedFrom().toString(), "dateCreatedFrom")) {
395                 compareDatePairs = false;
396             } else {
397                 criteria.setDateCreatedFrom(criteria.getDateCreatedFrom());
398             }
399         }
400         if (criteria.getDateCreatedTo() == null) {
401              compareDatePairs = false;
402         }
403         else {
404             if (!validateDate("dateCreatedTo", criteria.getDateCreatedTo().toString(), "dateCreatedTo")) {
405                 compareDatePairs = false;
406             } else {
407                 criteria.setDateCreatedTo(criteria.getDateCreatedTo());
408             }
409         }
410         if (compareDatePairs) {
411             if (!checkDateRanges(new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateCreatedFrom().toDate()), new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateCreatedTo().toDate()))) {
412                 errors.add(new WorkflowServiceErrorImpl("The Date Created From (Date Created) must not have a \"From\" date that occurs after the \"To\" date.", "docsearch.DocumentSearchService.dateCreatedRange"));
413             }
414         }
415 
416         compareDatePairs = true;
417         if (criteria.getDateApprovedFrom() == null) {
418             compareDatePairs = false;
419         }
420         else {
421             if (!validateDate("dateApprovedFrom", criteria.getDateApprovedFrom().toString(), "dateApprovedFrom")) {
422                 compareDatePairs = false;
423             } else {
424                 criteria.setDateApprovedFrom(criteria.getDateApprovedFrom());
425             }
426         }
427         if (criteria.getDateApprovedTo() == null) {
428             compareDatePairs = false;
429         }
430         else {
431             if (!validateDate("dateApprovedTo", criteria.getDateApprovedTo().toString(), "dateApprovedTo")) {
432                 compareDatePairs = false;
433             } else {
434                 criteria.setDateApprovedTo(criteria.getDateApprovedTo());
435             }
436         }
437         if (compareDatePairs) {
438             if (!checkDateRanges(new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateApprovedFrom().toDate()), new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateApprovedTo().toDate()))) {
439             	errors.add(new WorkflowServiceErrorImpl("The Date Approved From (Date Approved) must not have a \"From\" date that occurs after the \"To\" date.", "docsearch.DocumentSearchService.dateApprovedRange"));
440             }
441         }
442 
443         compareDatePairs = true;
444         if (criteria.getDateFinalizedFrom() == null) {
445             compareDatePairs = false;
446         }
447         else {
448             if (!validateDate("dateFinalizedFrom", criteria.getDateFinalizedFrom().toString(), "dateFinalizedFrom")) {
449                 compareDatePairs = false;
450             } else {
451                 criteria.setDateFinalizedFrom(criteria.getDateFinalizedFrom());
452             }
453         }
454         if (criteria.getDateFinalizedTo() == null) {
455             compareDatePairs = false;
456         }
457         else {
458             if (!validateDate("dateFinalizedTo", criteria.getDateFinalizedTo().toString(), "dateFinalizedTo")) {
459                 compareDatePairs = false;
460             } else {
461                 criteria.setDateFinalizedTo(criteria.getDateFinalizedTo());
462             }
463         }
464         if (compareDatePairs) {
465             if (!checkDateRanges(new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateFinalizedFrom().toDate()), new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateFinalizedTo().toDate()))) {
466             	errors.add(new WorkflowServiceErrorImpl("The Date Finalized From (Date Finalized) must not have a \"From\" date that occurs after the \"To\" date.", "docsearch.DocumentSearchService.dateFinalizedRange"));
467             }
468         }
469 
470         compareDatePairs = true;
471         if (criteria.getDateLastModifiedFrom() == null) {
472             compareDatePairs = false;
473         }
474         else {
475             if (!validateDate("dateLastModifiedFrom", criteria.getDateLastModifiedFrom().toString(), "dateLastModifiedFrom")) {
476                 compareDatePairs = false;
477             } else {
478                 criteria.setDateLastModifiedFrom(criteria.getDateLastModifiedFrom());
479             }
480         }
481         if (criteria.getDateLastModifiedTo() == null) {
482             compareDatePairs = false;
483         }
484         else {
485             if (!validateDate("dateLastModifiedTo", criteria.getDateLastModifiedTo().toString(), "dateLastModifiedTo")) {
486                 compareDatePairs = false;
487             } else {
488                 criteria.setDateLastModifiedTo(criteria.getDateLastModifiedTo());
489             }
490         }
491         if (compareDatePairs) {
492             if (!checkDateRanges(new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateLastModifiedFrom().toDate()), new SimpleDateFormat("MM/dd/yyyy").format(criteria.getDateLastModifiedTo().toDate()))) {
493                 errors.add(new WorkflowServiceErrorImpl("The Date Last Modified From (Date Last Modified) must not have a \"From\" date that occurs after the \"To\" date.", "docsearch.DocumentSearchService.dateLastModifiedRange"));
494             }
495         }
496         return errors;
497     }
498 
499     private boolean validateDate(String dateFieldName, String dateFieldValue, String dateFieldErrorKey) {
500 		// Validates the date format via the dictionary validation service. If validation fails, the validation service adds an error to the message map.
501 		int oldErrorCount = GlobalVariables.getMessageMap().getErrorCount();
502 		getDictionaryValidationService().validateAttributeFormat(DOC_SEARCH_CRITERIA_CLASS, dateFieldName, dateFieldValue, DATA_TYPE_DATE, dateFieldErrorKey);
503 		return (GlobalVariables.getMessageMap().getErrorCount() <= oldErrorCount);
504 	}
505 
506     public static DictionaryValidationService getDictionaryValidationService() {
507 		if (dictionaryValidationService == null) {
508 			dictionaryValidationService = KNSServiceLocator.getKNSDictionaryValidationService();
509 		}
510 		return dictionaryValidationService;
511 	}
512 
513     public static DataDictionaryService getDataDictionaryService() {
514 		if (dataDictionaryService == null) {
515 			dataDictionaryService = KNSServiceLocator.getDataDictionaryService();
516 		}
517 		return dataDictionaryService;
518 	}
519 
520     private boolean checkDateRanges(String fromDate, String toDate) {
521 		return Utilities.checkDateRanges(fromDate, toDate);
522 	}
523     private String trimCriteriaValue(String criteriaValue) {
524         if (StringUtils.isNotBlank(criteriaValue)) {
525             criteriaValue = criteriaValue.trim();
526         }
527         if (StringUtils.isBlank(criteriaValue)) {
528             return null;
529         }
530         return criteriaValue;
531     }
532 
533     private void validateGroupCriteria(DocumentSearchCriteria.Builder criteria, List<WorkflowServiceError> errors) {
534         if (StringUtils.isNotBlank(criteria.getGroupViewerId())) {
535             Group group = KimApiServiceLocator.getGroupService().getGroup(criteria.getGroupViewerId());
536             if (group == null) {
537                 errors.add(new WorkflowServiceErrorImpl("Workgroup Viewer Name is not a workgroup", "docsearch.DocumentSearchService.workgroup.viewer"));
538             }
539         } else {
540             criteria.setGroupViewerId(null);
541         }
542     }
543 
544     @Override
545 	public List<KeyValue> getNamedSearches(String principalId) {
546 		List<UserOptions> namedSearches = userOptionsService.findByUserQualified(principalId, NAMED_SEARCH_ORDER_BASE + "%");
547 		List<KeyValue> sortedNamedSearches = new ArrayList<KeyValue>(0);
548 		if (!namedSearches.isEmpty()) {
549 			Collections.sort(namedSearches);
550 			for (UserOptions namedSearch : namedSearches) {
551 				KeyValue keyValue = new ConcreteKeyValue(namedSearch.getOptionId(), namedSearch.getOptionId().substring(NAMED_SEARCH_ORDER_BASE.length(), namedSearch.getOptionId().length()));
552 				sortedNamedSearches.add(keyValue);
553 			}
554 		}
555 		return sortedNamedSearches;
556 	}
557 
558     @Override
559 	public List<KeyValue> getMostRecentSearches(String principalId) {
560 		UserOptions order = userOptionsService.findByOptionId(LAST_SEARCH_ORDER_OPTION, principalId);
561 		List<KeyValue> sortedMostRecentSearches = new ArrayList<KeyValue>();
562 		if (order != null && order.getOptionVal() != null && !"".equals(order.getOptionVal())) {
563 			List<UserOptions> mostRecentSearches = userOptionsService.findByUserQualified(principalId, LAST_SEARCH_BASE_NAME + "%");
564 			String[] ordered = order.getOptionVal().split(",");
565             for (String anOrdered : ordered) {
566                 UserOptions matchingOption = null;
567                 for (UserOptions option : mostRecentSearches) {
568                     if (anOrdered.equals(option.getOptionId())) {
569                         matchingOption = option;
570                         break;
571                     }
572                 }
573                 if (matchingOption != null) {
574                     DocumentSearchCriteria matchingCriteria = getCriteriaFromSavedSearch(matchingOption);
575                 	sortedMostRecentSearches.add(new ConcreteKeyValue(anOrdered, getSavedSearchAbbreviatedString(matchingCriteria)));
576                 }
577             }
578 		}
579 		return sortedMostRecentSearches;
580 	}
581 
582     public DocumentSearchCriteria clearCriteria(DocumentType documentType, DocumentSearchCriteria criteria) {
583         DocumentSearchCriteria clearedCriteria = getDocumentSearchCustomizationMediator().customizeClearCriteria(
584                 documentType, criteria);
585         if (clearedCriteria == null) {
586             clearedCriteria = getStandardDocumentSearchGenerator().clearSearch(criteria);
587         }
588         return clearedCriteria;
589     }
590 
591     protected String getSavedSearchAbbreviatedString(DocumentSearchCriteria criteria) {
592         Map<String, String> abbreviatedStringMap = new LinkedHashMap<String, String>();
593         addAbbreviatedString(abbreviatedStringMap, "Doc Type", criteria.getDocumentTypeName());
594         addAbbreviatedString(abbreviatedStringMap, "Initiator", criteria.getInitiatorPrincipalName());
595         addAbbreviatedString(abbreviatedStringMap, "Doc Id", criteria.getDocumentId());
596         addAbbreviatedRangeString(abbreviatedStringMap, "Created", criteria.getDateCreatedFrom(),
597                 criteria.getDateCreatedTo());
598         addAbbreviatedString(abbreviatedStringMap, "Title", criteria.getTitle());
599         addAbbreviatedString(abbreviatedStringMap, "App Doc Id", criteria.getApplicationDocumentId());
600         addAbbreviatedRangeString(abbreviatedStringMap, "Approved", criteria.getDateApprovedFrom(),
601                 criteria.getDateApprovedTo());
602         addAbbreviatedRangeString(abbreviatedStringMap, "Modified", criteria.getDateLastModifiedFrom(), criteria.getDateLastModifiedTo());
603         addAbbreviatedRangeString(abbreviatedStringMap, "Finalized", criteria.getDateFinalizedFrom(), criteria.getDateFinalizedTo());
604         addAbbreviatedRangeString(abbreviatedStringMap, "App Doc Status Changed", criteria.getDateApplicationDocumentStatusChangedFrom(), criteria.getDateApplicationDocumentStatusChangedTo());
605         addAbbreviatedString(abbreviatedStringMap, "Approver", criteria.getApproverPrincipalName());
606         addAbbreviatedString(abbreviatedStringMap, "Viewer", criteria.getViewerPrincipalName());
607         addAbbreviatedString(abbreviatedStringMap, "Group Viewer", criteria.getGroupViewerId());
608         addAbbreviatedString(abbreviatedStringMap, "Node", criteria.getRouteNodeName());
609         addAbbreviatedMultiValuedString(abbreviatedStringMap, "Status", criteria.getDocumentStatuses());
610         addAbbreviatedMultiValuedString(abbreviatedStringMap, "Category", criteria.getDocumentStatusCategories());
611         for (String documentAttributeName : criteria.getDocumentAttributeValues().keySet()) {
612             addAbbreviatedMultiValuedString(abbreviatedStringMap, documentAttributeName, criteria.getDocumentAttributeValues().get(documentAttributeName));
613         }
614         StringBuilder stringBuilder = new StringBuilder();
615         int iteration = 0;
616         for (String label : abbreviatedStringMap.keySet()) {
617             stringBuilder.append(label).append("=").append(abbreviatedStringMap.get(label));
618             if (iteration < abbreviatedStringMap.keySet().size()) {
619                 stringBuilder.append("; ");
620             }
621         }
622         return stringBuilder.toString();
623     }
624 
625     protected void addAbbreviatedString(Map<String, String> abbreviatedStringMap, String label, String value) {
626         if (StringUtils.isNotBlank(value)) {
627             abbreviatedStringMap.put(label, value);
628         }
629     }
630 
631     protected void addAbbreviatedMultiValuedString(Map<String, String> abbreviatedStringMap, String label, Collection<? extends Object> values) {
632         if (CollectionUtils.isNotEmpty(values)) {
633             List<String> stringValues = new ArrayList<String>();
634             for (Object value : values) {
635                 stringValues.add(value.toString());
636             }
637             abbreviatedStringMap.put(label, StringUtils.join(stringValues, ","));
638         }
639     }
640 
641     protected void addAbbreviatedRangeString(Map<String, String> abbreviatedStringMap, String label, DateTime dateFrom, DateTime dateTo) {
642         if (dateFrom != null || dateTo != null) {
643             StringBuilder abbreviatedString = new StringBuilder();
644             if (dateFrom != null) {
645                 abbreviatedString.append(CoreApiServiceLocator.getDateTimeService().toDateString(dateFrom.toDate()));
646             }
647             abbreviatedString.append("..");
648             if (dateTo != null) {
649                 abbreviatedString.append(CoreApiServiceLocator.getDateTimeService().toDateString(dateTo.toDate()));
650             }
651             abbreviatedStringMap.put(label, abbreviatedString.toString());
652         }
653     }
654 
655     /**
656      * Saves a DocumentSearchCriteria into the UserOptions.  This method operates in one of two ways:
657      * 1) The search is named: the criteria is saved under NAMED_SEARCH_ORDER_BASE + <name>
658      * 2) The search is unnamed: the criteria is given a name that indicates its order, which is saved in a second user option
659      *    which contains a list of these names comprising recent searches
660      * @param principalId the user to save the criteria under
661      * @param criteria the doc lookup criteria
662      */
663     private void saveSearch(String principalId, DocumentSearchCriteria criteria) {
664         if (StringUtils.isBlank(principalId)) {
665             return;
666         }
667 
668         try {
669             String savedSearchString = DocumentSearchInternalUtils.marshalDocumentSearchCriteria(criteria);
670 
671             if (StringUtils.isNotBlank(criteria.getSaveName())) {
672                 userOptionsService.save(principalId, NAMED_SEARCH_ORDER_BASE + criteria.getSaveName(), savedSearchString);
673             } else {
674                 // first determine the current ordering
675                 UserOptions searchOrder = userOptionsService.findByOptionId(LAST_SEARCH_ORDER_OPTION, principalId);
676                 // no previous searches, save under first id
677                 if (searchOrder == null) {
678                     userOptionsService.save(principalId, LAST_SEARCH_BASE_NAME + "0", savedSearchString);
679                     userOptionsService.save(principalId, LAST_SEARCH_ORDER_OPTION, LAST_SEARCH_BASE_NAME + "0");
680                 } else {
681                     String[] currentOrder = searchOrder.getOptionVal().split(",");
682                     // we have reached MAX_SEARCH_ITEMS
683                     if (currentOrder.length == MAX_SEARCH_ITEMS) {
684                         // move the last item to the front of the list, and save
685                         // over this key with the new criteria
686                         // [5,4,3,2,1] => [1,5,4,3,2]
687                         String searchName = currentOrder[currentOrder.length - 1];
688                         String[] newOrder = new String[MAX_SEARCH_ITEMS];
689                         newOrder[0] = searchName;
690                         for (int i = 0; i < currentOrder.length - 1; i++) {
691                             newOrder[i + 1] = currentOrder[i];
692                         }
693 
694                         String newSearchOrder = rejoinWithCommas(newOrder);
695                         // save the search string under the searchName (which used to be the last name in the list)
696                         userOptionsService.save(principalId, searchName, savedSearchString);
697                         userOptionsService.save(principalId, LAST_SEARCH_ORDER_OPTION, newSearchOrder);
698                     } else {
699                         // saves the search to the front of the list with incremented index
700                         // [3,2,1] => [4,3,2,1]
701                         // here we need to do a push to identify the highest used number which is from the
702                         // first one in the array, and then add one to it, and push the rest back one
703                         int absMax = 0;
704                         for (String aCurrentOrder : currentOrder) {
705                             int current = new Integer(aCurrentOrder.substring(LAST_SEARCH_BASE_NAME.length(),
706                                     aCurrentOrder.length()));
707                             if (current > absMax) {
708                                 absMax = current;
709                             }
710                         }
711                         String searchName = LAST_SEARCH_BASE_NAME + ++absMax;
712                         String[] newOrder = new String[currentOrder.length + 1];
713                         newOrder[0] = searchName;
714                         for (int i = 0; i < currentOrder.length; i++) {
715                             newOrder[i + 1] = currentOrder[i];
716                         }
717 
718                         String newSearchOrder = rejoinWithCommas(newOrder);
719                         // save the search string under the searchName (which used to be the last name in the list)
720                         userOptionsService.save(principalId, searchName, savedSearchString);
721                         userOptionsService.save(principalId, LAST_SEARCH_ORDER_OPTION, newSearchOrder);
722                     }
723                 }
724             }
725         } catch (Exception e) {
726             // we don't want the failure when saving a search to affect the ability of the document search to succeed
727             // and return it's results, so just log and return
728             LOG.error("Unable to save search due to exception", e);
729         }
730     }
731 
732     /**
733      * Returns a String result of the String array joined with commas
734      * @param newOrder array to join with commas
735      * @return String of the newOrder array joined with commas
736      */
737     private String rejoinWithCommas(String[] newOrder) {
738         StringBuilder newSearchOrder = new StringBuilder("");
739         for (String aNewOrder : newOrder) {
740             if (newSearchOrder.length() != 0) {
741                 newSearchOrder.append(",");
742             }
743             newSearchOrder.append(aNewOrder);
744         }
745         return newSearchOrder.toString();
746     }
747 
748     public ConfigurationService getKualiConfigurationService() {
749 		if (kualiConfigurationService == null) {
750 			kualiConfigurationService = KRADServiceLocator.getKualiConfigurationService();
751 		}
752 		return kualiConfigurationService;
753 	}
754 
755 }