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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.krad.workflow.attribute;
17  
18  import org.apache.commons.collections.CollectionUtils;
19  import org.apache.commons.lang.StringUtils;
20  import org.apache.log4j.Logger;
21  import org.kuali.rice.core.api.config.property.ConfigurationService;
22  import org.kuali.rice.core.api.uif.RemotableAttributeError;
23  import org.kuali.rice.core.api.uif.RemotableAttributeField;
24  import org.kuali.rice.kew.api.KewApiConstants;
25  import org.kuali.rice.kew.api.document.DocumentWithContent;
26  import org.kuali.rice.kew.api.document.attribute.DocumentAttribute;
27  import org.kuali.rice.kew.api.document.attribute.DocumentAttributeFactory;
28  import org.kuali.rice.kew.api.document.attribute.DocumentAttributeString;
29  import org.kuali.rice.kew.api.document.attribute.WorkflowAttributeDefinition;
30  import org.kuali.rice.kew.api.document.search.DocumentSearchCriteria;
31  import org.kuali.rice.kew.api.exception.WorkflowException;
32  import org.kuali.rice.kew.api.extension.ExtensionDefinition;
33  import org.kuali.rice.kew.framework.document.attribute.SearchableAttribute;
34  import org.kuali.rice.kns.datadictionary.MaintenanceDocumentEntry;
35  import org.kuali.rice.kns.document.MaintenanceDocument;
36  import org.kuali.rice.kns.lookup.LookupUtils;
37  import org.kuali.rice.kns.maintenance.KualiGlobalMaintainableImpl;
38  import org.kuali.rice.kns.maintenance.Maintainable;
39  import org.kuali.rice.kns.service.DictionaryValidationService;
40  import org.kuali.rice.kns.service.KNSServiceLocator;
41  import org.kuali.rice.kns.util.FieldUtils;
42  import org.kuali.rice.kns.web.ui.Field;
43  import org.kuali.rice.kns.web.ui.Row;
44  import org.kuali.rice.krad.bo.BusinessObject;
45  import org.kuali.rice.krad.bo.DocumentHeader;
46  import org.kuali.rice.krad.bo.GlobalBusinessObject;
47  import org.kuali.rice.krad.bo.PersistableBusinessObject;
48  import org.kuali.rice.krad.datadictionary.BusinessObjectEntry;
49  import org.kuali.rice.krad.datadictionary.DocumentEntry;
50  import org.kuali.rice.krad.datadictionary.SearchingAttribute;
51  import org.kuali.rice.krad.datadictionary.SearchingTypeDefinition;
52  import org.kuali.rice.krad.datadictionary.WorkflowAttributes;
53  import org.kuali.rice.krad.document.Document;
54  import org.kuali.rice.krad.service.DataDictionaryRemoteFieldService;
55  import org.kuali.rice.krad.service.DocumentService;
56  import org.kuali.rice.krad.service.KRADServiceLocator;
57  import org.kuali.rice.krad.service.KRADServiceLocatorInternal;
58  import org.kuali.rice.krad.service.KRADServiceLocatorWeb;
59  import org.kuali.rice.krad.util.ErrorMessage;
60  import org.kuali.rice.krad.util.GlobalVariables;
61  import org.kuali.rice.krad.util.KRADPropertyConstants;
62  import org.kuali.rice.krad.util.MessageMap;
63  import org.kuali.rice.krad.util.ObjectUtils;
64  import org.kuali.rice.krad.workflow.service.WorkflowAttributePropertyResolutionService;
65  
66  import java.text.MessageFormat;
67  import java.util.ArrayList;
68  import java.util.LinkedHashMap;
69  import java.util.List;
70  import java.util.Map;
71  
72  public class DataDictionarySearchableAttribute implements SearchableAttribute {
73  
74      private static final long serialVersionUID = 173059488280366451L;
75  	private static final Logger LOG = Logger.getLogger(DataDictionarySearchableAttribute.class);
76      public static final String DATA_TYPE_BOOLEAN = "boolean";
77  
78      @Override
79      public String generateSearchContent(ExtensionDefinition extensionDefinition,
80              String documentTypeName,
81              WorkflowAttributeDefinition attributeDefinition) {
82          return "";
83      }
84  
85      @Override
86      public List<DocumentAttribute> extractDocumentAttributes(ExtensionDefinition extensionDefinition,
87              DocumentWithContent documentWithContent) {
88          List<DocumentAttribute> attributes = new ArrayList<DocumentAttribute>();
89  
90          String docId = documentWithContent.getDocument().getDocumentId();
91  
92          DocumentService docService = KRADServiceLocatorWeb.getDocumentService();
93          Document doc = null;
94          try  {
95              doc = docService.getByDocumentHeaderIdSessionless(docId);
96          } catch (WorkflowException we) {
97          	LOG.error( "Unable to retrieve document " + docId + " in getSearchStorageValues()", we);
98          }
99  
100         String attributeValue = "";
101         if ( doc != null ) {
102         	if ( doc.getDocumentHeader() != null ) {
103                 attributeValue = doc.getDocumentHeader().getDocumentDescription();
104         	} else {
105         		attributeValue = "null document header";
106         	}
107         } else {
108     		attributeValue = "null document";
109         }
110         DocumentAttributeString attribute = DocumentAttributeFactory.createStringAttribute("documentDescription", attributeValue);
111         attributes.add(attribute);
112 
113         attributeValue = "";
114         if ( doc != null ) {
115         	if ( doc.getDocumentHeader() != null ) {
116                 attributeValue = doc.getDocumentHeader().getOrganizationDocumentNumber();
117         	} else {
118         		attributeValue = "null document header";
119         	}
120         } else {
121     		attributeValue = "null document";
122         }
123         attribute = DocumentAttributeFactory.createStringAttribute("organizationDocumentNumber", attributeValue);
124         attributes.add(attribute);
125 
126         if ( doc != null && doc instanceof MaintenanceDocument) {
127             final Class<? extends BusinessObject> businessObjectClass = getBusinessObjectClass(
128                     documentWithContent.getDocument().getDocumentTypeName());
129             if (businessObjectClass != null) {
130                 if (GlobalBusinessObject.class.isAssignableFrom(businessObjectClass)) {
131                     final GlobalBusinessObject globalBO = retrieveGlobalBusinessObject(docId, businessObjectClass);
132 
133                     if (globalBO != null) {
134                         attributes.addAll(findAllDocumentAttributesForGlobalBusinessObject(globalBO));
135                     }
136                 } else {
137                     attributes.addAll(parsePrimaryKeyValuesFromDocument(businessObjectClass, (MaintenanceDocument)doc));
138                 }
139 
140             }
141         }
142         if ( doc != null ) {
143             DocumentEntry docEntry = KRADServiceLocatorWeb.getDataDictionaryService().getDataDictionary().getDocumentEntry(
144                     documentWithContent.getDocument().getDocumentTypeName());
145             if ( docEntry != null ) {
146 		        WorkflowAttributes workflowAttributes = docEntry.getWorkflowAttributes();
147 		        WorkflowAttributePropertyResolutionService waprs = KRADServiceLocatorInternal
148                         .getWorkflowAttributePropertyResolutionService();
149 		        attributes.addAll(waprs.resolveSearchableAttributeValues(doc, workflowAttributes));
150             } else {
151             	LOG.error("Unable to find DD document entry for document type: " + documentWithContent.getDocument()
152                         .getDocumentTypeName());
153             }
154         }
155         return attributes;
156     }
157 
158     @Override
159     public List<RemotableAttributeField> getSearchFields(ExtensionDefinition extensionDefinition, String documentTypeName) {
160         List<Row> searchRows = getSearchingRows(documentTypeName);
161         List<RemotableAttributeField> attributeFields = new ArrayList<RemotableAttributeField>();
162         DataDictionaryRemoteFieldService dataDictionaryRemoteFieldService =
163                 KRADServiceLocatorWeb.getDataDictionaryRemoteFieldService();
164         for (Row row : searchRows) {
165             List<RemotableAttributeField> rowAttributeFields = new ArrayList<RemotableAttributeField>();
166             for (Field field : row.getFields()) {
167                 RemotableAttributeField remotableAttributeField = dataDictionaryRemoteFieldService.buildRemotableFieldFromAttributeDefinition(field.getBusinessObjectClassName(), field.getPropertyName());
168                 if (remotableAttributeField != null) {
169                     rowAttributeFields.add(remotableAttributeField);
170                 }
171             }
172             attributeFields.addAll(rowAttributeFields);
173         }
174         return attributeFields;
175         //return FieldUtils.convertRowsToAttributeFields(searchRows);
176     }
177 
178     /**
179      * Produces legacy KNS rows to use for search attributes.  This method was left intact to help ease conversion
180      * until KNS is replaced with KRAD.
181      */
182     protected List<Row> getSearchingRows(String documentTypeName) {
183 
184         List<Row> docSearchRows = new ArrayList<Row>();
185 
186         Class boClass = DocumentHeader.class;
187 
188         Field descriptionField = FieldUtils.getPropertyField(boClass, "documentDescription", true);
189         descriptionField.setFieldDataType(KewApiConstants.SearchableAttributeConstants.DATA_TYPE_STRING);
190 
191         Field orgDocNumberField = FieldUtils.getPropertyField(boClass, "organizationDocumentNumber", true);
192         orgDocNumberField.setFieldDataType(KewApiConstants.SearchableAttributeConstants.DATA_TYPE_STRING);
193 
194         List<Field> fieldList = new ArrayList<Field>();
195         fieldList.add(descriptionField);
196         docSearchRows.add(new Row(fieldList));
197 
198         fieldList = new ArrayList<Field>();
199         fieldList.add(orgDocNumberField);
200         docSearchRows.add(new Row(fieldList));
201 
202 
203         DocumentEntry entry =
204                 KRADServiceLocatorWeb.getDataDictionaryService().getDataDictionary().getDocumentEntry(documentTypeName);
205         if (entry  == null)
206             return docSearchRows;
207         if (entry instanceof MaintenanceDocumentEntry) {
208             Class<? extends BusinessObject> businessObjectClass = getBusinessObjectClass(documentTypeName);
209             Class<? extends Maintainable> maintainableClass = getMaintainableClass(documentTypeName);
210 
211             KualiGlobalMaintainableImpl globalMaintainable = null;
212             try {
213                 globalMaintainable = (KualiGlobalMaintainableImpl)maintainableClass.newInstance();
214                 businessObjectClass = globalMaintainable.getPrimaryEditedBusinessObjectClass();
215             } catch (Exception ie) {
216                 //was not a globalMaintainable.
217             }
218 
219             if (businessObjectClass != null)
220                 docSearchRows.addAll(createFieldRowsForBusinessObject(businessObjectClass));
221         }
222 
223         WorkflowAttributes workflowAttributes = entry.getWorkflowAttributes();
224         if (workflowAttributes != null)
225             docSearchRows.addAll(createFieldRowsForWorkflowAttributes(workflowAttributes));
226 
227         return docSearchRows;
228     }
229 
230     @Override
231     public List<RemotableAttributeError> validateDocumentAttributeCriteria(ExtensionDefinition extensionDefinition,
232             DocumentSearchCriteria documentSearchCriteria) {
233         List<RemotableAttributeError> validationErrors = new ArrayList<RemotableAttributeError>();
234         DictionaryValidationService validationService = KNSServiceLocator.getDictionaryValidationService();
235 
236         // validate the document attribute values
237         Map<String, List<String>> documentAttributeValues = documentSearchCriteria.getDocumentAttributeValues();
238         for (String key : documentAttributeValues.keySet()) {
239             List<String> values = documentAttributeValues.get(key);
240             if (CollectionUtils.isNotEmpty(values)) {
241                 for (String value : values) {
242                     if (StringUtils.isNotBlank(value)) {
243                         validationService.validateAttributeFormat(documentSearchCriteria.getDocumentTypeName(), key, value, key);
244                     }
245                 }
246             }
247         }
248 
249         // can we use KualiConfigurationService?  It seemed to be used elsewhere...
250         ConfigurationService configurationService = KRADServiceLocator.getKualiConfigurationService();
251 
252         if(GlobalVariables.getMessageMap().hasErrors()){
253         	validationErrors = new ArrayList<RemotableAttributeError>();
254         	MessageMap deepCopy = (MessageMap)ObjectUtils.deepCopy(GlobalVariables.getMessageMap());
255             for (String errorKey : deepCopy.getErrorMessages().keySet()) {
256                 List<ErrorMessage> errorMessages = deepCopy.getErrorMessages().get(errorKey);
257                 if (CollectionUtils.isNotEmpty(errorMessages)) {
258                     List<String> errors = new ArrayList<String>();
259                     for (ErrorMessage errorMessage : errorMessages) {
260                         // need to materialize the message from it's parameters so we can send it back to the framework
261                         String error = MessageFormat.format(configurationService.getPropertyValueAsString(errorMessage.getErrorKey()), errorMessage.getMessageParameters());
262                         errors.add(error);
263                     }
264                     RemotableAttributeError remotableAttributeError = RemotableAttributeError.Builder.create(errorKey, errors).build();
265                     validationErrors.add(remotableAttributeError);
266                 }
267             }
268         	// we should now strip the error messages from the map because they have moved to validationErrors
269         	GlobalVariables.getMessageMap().clearErrorMessages();
270         }
271 
272         return validationErrors;
273     }
274 
275     protected List<Row> createFieldRowsForWorkflowAttributes(WorkflowAttributes attrs) {
276         List<Row> searchFields = new ArrayList<Row>();
277 
278         List<SearchingTypeDefinition> searchingTypeDefinitions = attrs.getSearchingTypeDefinitions();
279         final WorkflowAttributePropertyResolutionService propertyResolutionService = KRADServiceLocatorInternal.getWorkflowAttributePropertyResolutionService();
280         for (SearchingTypeDefinition definition: searchingTypeDefinitions) {
281             SearchingAttribute attr = definition.getSearchingAttribute();
282 
283             final String attributeName = attr.getAttributeName();
284             final String businessObjectClassName = attr.getBusinessObjectClassName();
285             Class boClass = null;
286             BusinessObject businessObject  = null;
287             try {
288                 boClass = Class.forName(businessObjectClassName);
289                 businessObject = (BusinessObject)boClass.newInstance();
290             } catch (Exception e) {
291                 throw new RuntimeException(e);
292             }
293 
294             Field searchField = FieldUtils.getPropertyField(boClass, attributeName, false);
295             searchField.setColumnVisible(attr.isShowAttributeInResultSet());
296 
297             //TODO this is a workaround to hide the Field from the search criteria.
298             //This should be removed once hiding the entire Row is working
299             if (!attr.isShowAttributeInSearchCriteria()){
300                 searchField.setFieldType(Field.HIDDEN);
301             }
302             String fieldDataType = propertyResolutionService.determineFieldDataType(boClass, attributeName);
303             if (fieldDataType.equals(DataDictionarySearchableAttribute.DATA_TYPE_BOOLEAN)) {
304                 fieldDataType = KewApiConstants.SearchableAttributeConstants.DATA_TYPE_STRING;
305             }
306 
307             // Allow inline range searching on dates and numbers
308             if (fieldDataType.equals(KewApiConstants.SearchableAttributeConstants.DATA_TYPE_FLOAT) ||
309                 fieldDataType.equals(KewApiConstants.SearchableAttributeConstants.DATA_TYPE_LONG) ||
310                 fieldDataType.equals(KewApiConstants.SearchableAttributeConstants.DATA_TYPE_DATE)) {
311 
312                 searchField.setAllowInlineRange(true);
313             }
314             searchField.setFieldDataType(fieldDataType);
315             List displayedFieldNames = new ArrayList();
316             displayedFieldNames.add(attributeName);
317             LookupUtils.setFieldQuickfinder(businessObject, attributeName, searchField, displayedFieldNames);
318 
319             List<Field> fieldList = new ArrayList<Field>();
320             fieldList.add(searchField);
321 
322             Row row = new Row(fieldList);
323             if (!attr.isShowAttributeInSearchCriteria()) {
324                 row.setHidden(true);
325             }
326             searchFields.add(row);
327         }
328 
329         return searchFields;
330     }
331 
332     protected List<DocumentAttribute> parsePrimaryKeyValuesFromDocument(Class<? extends BusinessObject> businessObjectClass, MaintenanceDocument document) {
333         List<DocumentAttribute> values = new ArrayList<DocumentAttribute>();
334 
335         final List primaryKeyNames = KNSServiceLocator.getBusinessObjectMetaDataService().listPrimaryKeyFieldNames(businessObjectClass);
336 
337         for (Object primaryKeyNameAsObj : primaryKeyNames) {
338             final String primaryKeyName = (String)primaryKeyNameAsObj;
339             final DocumentAttribute searchableValue = parseSearchableAttributeValueForPrimaryKey(primaryKeyName, businessObjectClass, document);
340             if (searchableValue != null) {
341                 values.add(searchableValue);
342             }
343         }
344         return values;
345     }
346 
347     /**
348      * Creates a searchable attribute value for the given property name out of the document XML
349      * @param propertyName the name of the property to return
350      * @param businessObjectClass the class of the business object maintained
351      * @param document the document XML
352      * @return a generated SearchableAttributeValue, or null if a value could not be created
353      */
354     protected DocumentAttribute parseSearchableAttributeValueForPrimaryKey(String propertyName, Class<? extends BusinessObject> businessObjectClass, MaintenanceDocument document) {
355 
356         Maintainable maintainable  = document.getNewMaintainableObject();
357         PersistableBusinessObject bo = maintainable.getBusinessObject();
358 
359         final Object propertyValue = ObjectUtils.getPropertyValue(bo, propertyName);
360         if (propertyValue == null) return null;
361 
362         final WorkflowAttributePropertyResolutionService propertyResolutionService = KRADServiceLocatorInternal.getWorkflowAttributePropertyResolutionService();
363         DocumentAttribute value = propertyResolutionService.buildSearchableAttribute(businessObjectClass, propertyName, propertyValue);
364         return value;
365     }
366 
367     /**
368      * Returns the class of the object being maintained by the given maintenance document type name
369      * @param documentTypeName the name of the document type to look up the maintained business object for
370      * @return the class of the maintained business object
371      */
372     protected Class<? extends BusinessObject> getBusinessObjectClass(String documentTypeName) {
373         MaintenanceDocumentEntry entry = retrieveMaintenanceDocumentEntry(documentTypeName);
374         return (entry == null ? null : (Class<? extends BusinessObject>) entry.getDataObjectClass());
375     }
376 
377     /**
378      * Returns the maintainable of the object being maintained by the given maintenance document type name
379      * @param documentTypeName the name of the document type to look up the maintained business object for
380      * @return the Maintainable of the maintained business object
381      */
382     protected Class<? extends Maintainable> getMaintainableClass(String documentTypeName) {
383         MaintenanceDocumentEntry entry = retrieveMaintenanceDocumentEntry(documentTypeName);
384         return (entry == null ? null : entry.getMaintainableClass());
385     }
386 
387 
388     /**
389      * Retrieves the maintenance document entry for the given document type name
390      * @param documentTypeName the document type name to look up the data dictionary document entry for
391      * @return the corresponding data dictionary entry for a maintenance document
392      */
393     protected MaintenanceDocumentEntry retrieveMaintenanceDocumentEntry(String documentTypeName) {
394         return (MaintenanceDocumentEntry) KRADServiceLocatorWeb.getDataDictionaryService().getDataDictionary().getDocumentEntry(documentTypeName);
395     }
396 
397     protected GlobalBusinessObject retrieveGlobalBusinessObject(String documentNumber, Class<? extends BusinessObject> businessObjectClass) {
398         GlobalBusinessObject globalBO = null;
399 
400         Map pkMap = new LinkedHashMap();
401         pkMap.put(KRADPropertyConstants.DOCUMENT_NUMBER, documentNumber);
402 
403         List returnedBOs = (List) KRADServiceLocator.getBusinessObjectService().findMatching(businessObjectClass, pkMap);
404         if (returnedBOs.size() > 0) {
405             globalBO = (GlobalBusinessObject)returnedBOs.get(0);
406         }
407 
408         return globalBO;
409     }
410 
411     protected List<DocumentAttribute> findAllDocumentAttributesForGlobalBusinessObject(GlobalBusinessObject globalBO) {
412         List<DocumentAttribute> searchValues = new ArrayList<DocumentAttribute>();
413 
414         for (PersistableBusinessObject bo : globalBO.generateGlobalChangesToPersist()) {
415             DocumentAttribute value = generateSearchableAttributeFromChange(bo);
416             if (value != null) {
417                 searchValues.add(value);
418             }
419         }
420 
421         return searchValues;
422     }
423 
424     protected DocumentAttribute generateSearchableAttributeFromChange(PersistableBusinessObject changeToPersist) {
425         List<String> primaryKeyNames = KNSServiceLocator.getBusinessObjectMetaDataService().listPrimaryKeyFieldNames(changeToPersist.getClass());
426 
427         for (Object primaryKeyNameAsObject : primaryKeyNames) {
428             String primaryKeyName = (String)primaryKeyNameAsObject;
429             Object value = ObjectUtils.getPropertyValue(changeToPersist, primaryKeyName);
430 
431             if (value != null) {
432                 final WorkflowAttributePropertyResolutionService propertyResolutionService = KRADServiceLocatorInternal.getWorkflowAttributePropertyResolutionService();
433                 DocumentAttribute saValue = propertyResolutionService.buildSearchableAttribute(changeToPersist.getClass(), primaryKeyName, value);
434                 return saValue;
435             }
436         }
437         return null;
438     }
439 
440     /**
441      * Creates a list of search fields, one for each primary key of the maintained business object
442      * @param businessObjectClass the class of the maintained business object
443      * @return a List of KEW search fields
444      */
445     protected List<Row> createFieldRowsForBusinessObject(Class<? extends BusinessObject> businessObjectClass) {
446         List<Row> searchFields = new ArrayList<Row>();
447 
448         final List primaryKeyNamesAsObjects = KNSServiceLocator.getBusinessObjectMetaDataService().listPrimaryKeyFieldNames(businessObjectClass);
449         final BusinessObjectEntry boEntry = KRADServiceLocatorWeb.getDataDictionaryService().getDataDictionary().getBusinessObjectEntry(businessObjectClass.getName());
450         final WorkflowAttributePropertyResolutionService propertyResolutionService = KRADServiceLocatorInternal.getWorkflowAttributePropertyResolutionService();
451         for (Object primaryKeyNameAsObject : primaryKeyNamesAsObjects) {
452 
453             String attributeName =  (String)primaryKeyNameAsObject;
454             BusinessObject businessObject = null;
455             try {
456                 businessObject = businessObjectClass.newInstance();
457             } catch (Exception e) {
458                 throw new RuntimeException(e);
459             }
460 
461             Field searchField = FieldUtils.getPropertyField(businessObjectClass, attributeName, false);
462             String dataType = propertyResolutionService.determineFieldDataType(businessObjectClass, attributeName);
463             searchField.setFieldDataType(dataType);
464             List<Field> fieldList = new ArrayList<Field>();
465 
466             List displayedFieldNames = new ArrayList();
467             displayedFieldNames.add(attributeName);
468             LookupUtils.setFieldQuickfinder(businessObject, attributeName, searchField, displayedFieldNames);
469 
470             fieldList.add(searchField);
471             searchFields.add(new Row(fieldList));
472         }
473 
474         return searchFields;
475     }
476 
477 }