Source code

001/*
002 *  Copyright 2020 Anyware Services
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 */
016package org.ametys.plugins.contentio.csv;
017
018import java.io.IOException;
019import java.util.ArrayList;
020import java.util.Arrays;
021import java.util.Collection;
022import java.util.HashMap;
023import java.util.List;
024import java.util.Map;
025import java.util.Map.Entry;
026import java.util.Objects;
027import java.util.Optional;
028import java.util.Set;
029import java.util.function.Function;
030import java.util.stream.Collectors;
031import java.util.stream.Stream;
032
033import org.apache.avalon.framework.component.Component;
034import org.apache.avalon.framework.service.ServiceException;
035import org.apache.avalon.framework.service.ServiceManager;
036import org.apache.avalon.framework.service.Serviceable;
037import org.apache.commons.lang3.LocaleUtils;
038import org.apache.commons.lang3.StringUtils;
039import org.supercsv.io.ICsvListReader;
040import org.supercsv.util.Util;
041
042import org.ametys.cms.ObservationConstants;
043import org.ametys.cms.contenttype.ContentAttributeDefinition;
044import org.ametys.cms.contenttype.ContentType;
045import org.ametys.cms.contenttype.ContentTypeExtensionPoint;
046import org.ametys.cms.data.ContentValue;
047import org.ametys.cms.data.type.BaseMultilingualStringElementType;
048import org.ametys.cms.data.type.impl.MultilingualStringRepositoryElementType;
049import org.ametys.cms.indexing.solr.SolrIndexHelper;
050import org.ametys.cms.repository.Content;
051import org.ametys.cms.repository.ContentQueryHelper;
052import org.ametys.cms.repository.ModifiableDefaultContent;
053import org.ametys.cms.repository.ModifiableWorkflowAwareContent;
054import org.ametys.cms.workflow.AbstractContentWorkflowComponent;
055import org.ametys.cms.workflow.ContentWorkflowHelper;
056import org.ametys.cms.workflow.CreateContentFunction;
057import org.ametys.core.util.I18nUtils;
058import org.ametys.plugins.contentio.csv.SynchronizeModeEnumerator.ImportMode;
059import org.ametys.plugins.contentio.in.ContentImportException;
060import org.ametys.plugins.repository.AmetysObjectIterable;
061import org.ametys.plugins.repository.AmetysObjectResolver;
062import org.ametys.plugins.repository.data.holder.group.ModelAwareRepeater;
063import org.ametys.plugins.repository.data.holder.group.ModelAwareRepeaterEntry;
064import org.ametys.plugins.repository.data.holder.group.Repeater;
065import org.ametys.plugins.repository.data.holder.values.SynchronizableRepeater;
066import org.ametys.plugins.repository.data.holder.values.SynchronizableValue;
067import org.ametys.plugins.repository.data.holder.values.SynchronizableValue.Mode;
068import org.ametys.plugins.repository.data.type.ModelItemTypeConstants;
069import org.ametys.plugins.repository.metadata.MultilingualString;
070import org.ametys.plugins.repository.metadata.MultilingualStringHelper;
071import org.ametys.plugins.repository.query.expression.AndExpression;
072import org.ametys.plugins.repository.query.expression.Expression.Operator;
073import org.ametys.plugins.repository.query.expression.ExpressionContext;
074import org.ametys.plugins.repository.query.expression.MultilingualStringExpression;
075import org.ametys.plugins.repository.query.expression.StringExpression;
076import org.ametys.runtime.model.ElementDefinition;
077import org.ametys.runtime.model.ModelItem;
078import org.ametys.runtime.model.ModelViewItemGroup;
079import org.ametys.runtime.model.View;
080import org.ametys.runtime.model.ViewElement;
081import org.ametys.runtime.model.ViewElementAccessor;
082import org.ametys.runtime.model.ViewItem;
083import org.ametys.runtime.model.type.ElementType;
084import org.ametys.runtime.plugin.component.AbstractLogEnabled;
085
086import com.opensymphony.workflow.WorkflowException;
087
088/**
089 * Import contents from an uploaded CSV file.
090 */
091public class CSVImporter extends AbstractLogEnabled implements Component, Serviceable
092{
093    
094    /** Avalon Role */
095    public static final String ROLE = CSVImporter.class.getName();
096
097    /** Result key containing updated content's ids */
098    public static final String RESULT_CONTENT_IDS = "contentIds";
099    /** Result key containing number of errors */
100    public static final String RESULT_NB_ERRORS = "nbErrors";
101    /** Result key containing number of warnings */
102    public static final String RESULT_NB_WARNINGS = "nbWarnings";
103
104    private ContentWorkflowHelper _contentWorkflowHelper;
105
106    private ContentTypeExtensionPoint _contentTypeEP;
107    
108    private AmetysObjectResolver _resolver;
109
110    private I18nUtils _i18nUtils;
111
112    private SolrIndexHelper _solrIndexHelper;
113    
114    public void service(ServiceManager smanager) throws ServiceException
115    {
116        _resolver = (AmetysObjectResolver) smanager.lookup(AmetysObjectResolver.ROLE);
117        _contentTypeEP = (ContentTypeExtensionPoint) smanager.lookup(ContentTypeExtensionPoint.ROLE);
118        _contentWorkflowHelper = (ContentWorkflowHelper) smanager.lookup(ContentWorkflowHelper.ROLE);
119        _i18nUtils = (I18nUtils) smanager.lookup(I18nUtils.ROLE);
120        _solrIndexHelper = (SolrIndexHelper) smanager.lookup(SolrIndexHelper.ROLE);
121    }
122
123    /**
124     * Extract contents from CSV file
125     * @param mapping mapping of content attributes and CSV file header
126     * @param view View of importing content
127     * @param contentType content type to import
128     * @param listReader mapReader to parse CSV file
129     * @param createAction creation action id
130     * @param editAction edition action id
131     * @param workflowName workflow name
132     * @param language language of created content.
133     * @param importMode The import mode
134     * @param parentContent Optional parent content
135     * @return list of created contents
136     * @throws IOException IOException while reading CSV
137     */
138    public Map<String, Object> importContentsFromCSV(Map<String, Object> mapping, View view, ContentType contentType, ICsvListReader listReader, int createAction, int editAction, String workflowName, String language, ImportMode importMode, Optional< ? extends Content> parentContent) throws IOException
139    {
140        try
141        {
142            _solrIndexHelper.pauseSolrCommitForEvents(_getIndexationEvents());
143            
144            List<String> contentIds = new ArrayList<>();
145            String[] columns = listReader.getHeader(true);
146            int nbErrors = 0;
147            int nbWarnings = 0;
148            List<String> row = null;
149            
150            while ((row = listReader.read()) != null)
151            {
152                try
153                {
154                    if (listReader.length() != columns.length)
155                    {
156                        getLogger().error("[{}] Import from CSV file: content skipped because of invalid row: {}", contentType.getId(), row);
157                        nbErrors++;
158                        continue;
159                    }
160    
161                    Map<String, String> rowMap = new HashMap<>();
162                    Util.filterListToMap(rowMap, columns, row);
163                    List<ViewItem> errors = new ArrayList<>();
164                    SynchronizeResult synchronizeResult = _processContent(view, rowMap, contentType, mapping, createAction, editAction, workflowName, language, errors, importMode, parentContent);
165                    Optional<ModifiableWorkflowAwareContent> content = synchronizeResult.content();
166                    
167                    // If we are in CREATE_ONLY mode but content was not created, do not add it to the contents list
168                    if (content.isPresent() && (importMode != ImportMode.CREATE_ONLY || synchronizeResult.isCreated()))
169                    {
170                        contentIds.add(content.get().getId());
171                    }
172                    
173                    if (!errors.isEmpty())
174                    {
175                        nbWarnings++;
176                    }
177                }
178                catch (Exception e)
179                {
180                    nbErrors++;
181                    getLogger().error("[{}] Import from CSV file: error importing the content on line {}", contentType.getId(), listReader.getLineNumber(), e);
182                }
183            }
184            
185            Map<String, Object> results = new HashMap<>();
186            results.put(RESULT_CONTENT_IDS, contentIds);
187            results.put(RESULT_NB_ERRORS, nbErrors);
188            results.put(RESULT_NB_WARNINGS, nbWarnings);
189            return results;
190        }
191        finally
192        {
193            _solrIndexHelper.restartSolrCommitForEvents(_getIndexationEvents());
194        }
195    }
196    
197    private String[] _getIndexationEvents()
198    {
199        return new String[] {
200            ObservationConstants.EVENT_CONTENT_ADDED,
201            ObservationConstants.EVENT_CONTENT_MODIFIED,
202            ObservationConstants.EVENT_CONTENT_WORKFLOW_CHANGED,
203            ObservationConstants.EVENT_CONTENT_VALIDATED
204        };
205    }
206    
207    private SynchronizeResult _processContent(View view, Map<String, String> row, ContentType contentType, Map<String, Object> mapping, int createAction, int editAction, String workflowName, String language, List<ViewItem> errors, ImportMode importMode, Optional< ? extends Content> parentContent) throws Exception
208    {
209        @SuppressWarnings("unchecked")
210        List<String> attributeIdNames = (List<String>) mapping.get(ImportCSVFileHelper.NESTED_MAPPING_ID);
211        @SuppressWarnings("unchecked")
212        Map<String, Object> mappingValues = (Map<String, Object>) mapping.get(ImportCSVFileHelper.NESTED_MAPPING_VALUES);
213
214        SynchronizeResult synchronizeResult = _synchronizeContent(row, contentType, view, attributeIdNames, mappingValues, createAction, editAction, workflowName, language, errors, importMode, parentContent);
215        return synchronizeResult;
216    }
217
218    private void _editContent(int editAction, View view, Map<String, Object> values, ModifiableWorkflowAwareContent content) throws WorkflowException
219    {
220        Collection<ModelItem> viewItemsDiff = content.getDifferences(view, values);
221        if (!viewItemsDiff.isEmpty())
222        {
223            _contentWorkflowHelper.editContent(content, values, editAction, View.of(viewItemsDiff.toArray(ModelItem[]::new)));
224        }
225    }
226    
227    private Object _getValue(Optional<? extends Content> parentContent, ViewItem viewItem, Map<String, Object> mapping, Map<String, String> row, int createAction, int editAction, String language, List<ViewItem> errors, String prefix, ImportMode importMode) throws Exception
228    {
229        if (viewItem instanceof ViewElement viewElement)
230        {
231            ElementDefinition elementDefinition = viewElement.getDefinition();
232            if (elementDefinition instanceof ContentAttributeDefinition contentAttributeDefinition && viewElement instanceof ViewElementAccessor viewElementAccessor)
233            {
234                return _getContentAttributeDefinitionValues(parentContent, mapping, row, createAction, editAction, language, viewElementAccessor, contentAttributeDefinition, errors, importMode);
235            }
236            else
237            {
238                return _getAttributeDefinitionValues(parentContent, mapping, row, elementDefinition, language, prefix);
239            }
240        }
241        else if (viewItem instanceof ModelViewItemGroup modelViewItemGroup)
242        {
243            List<ViewItem> children = modelViewItemGroup.getViewItems();
244            @SuppressWarnings("unchecked")
245            Map<String, Object> nestedMap = (Map<String, Object>) mapping.get(viewItem.getName());
246            @SuppressWarnings("unchecked")
247            Map<String, Object> nestedMapValues = (Map<String, Object>) (nestedMap.get(ImportCSVFileHelper.NESTED_MAPPING_VALUES));
248            if (ModelItemTypeConstants.REPEATER_TYPE_ID.equals(modelViewItemGroup.getDefinition().getType().getId()))
249            {
250                return _getRepeaterValues(parentContent, modelViewItemGroup, row, createAction, editAction, language, children, nestedMap, errors, prefix, importMode);
251            }
252            else
253            {
254                return _getCompositeValues(parentContent, viewItem, row, createAction, editAction, language, children, nestedMapValues, errors, prefix, importMode);
255            }
256        }
257        else
258        {
259            errors.add(viewItem);
260            throw new RuntimeException("Import from CSV file: unsupported type of ViewItem for view: " + viewItem.getName());
261        }
262    }
263
264    private Map<String, Object> _getCompositeValues(Optional<? extends Content> parentContent, ViewItem viewItem, Map<String, String> row, int createAction, int editAction,
265            String language, List<ViewItem> children, Map<String, Object> nestedMapValues, List<ViewItem> errors, String prefix, ImportMode importMode)
266    {
267        Map<String, Object> compositeValues = new HashMap<>();
268        for (ViewItem child : children)
269        {
270            try
271            {
272                compositeValues.put(child.getName(), _getValue(parentContent, child, nestedMapValues, row, createAction, editAction, language, errors, prefix + viewItem.getName() + ModelItem.ITEM_PATH_SEPARATOR, importMode));
273            }
274            catch (Exception e)
275            {
276                errors.add(viewItem);
277                getLogger().error("Import from CSV file: error while trying to get values for view: {}", viewItem.getName(), e);
278            }
279        }
280        return compositeValues;
281    }
282
283    private SynchronizableRepeater _getRepeaterValues(Optional<? extends Content> parentContent, ModelViewItemGroup viewItem, Map<String, String> row, int createAction, int editAction, String language,
284            List<ViewItem> children, Map<String, Object> nestedMap, List<ViewItem> errors, String prefix, ImportMode importMode)
285    {
286        @SuppressWarnings("unchecked")
287        Map<String, Object> mappingValues = (Map<String, Object>) nestedMap.get(ImportCSVFileHelper.NESTED_MAPPING_VALUES);
288        @SuppressWarnings("unchecked")
289        List<String> attributeIdNames = (List<String>) nestedMap.getOrDefault(ImportCSVFileHelper.NESTED_MAPPING_ID, List.of());
290        Map<String, Object> repeaterValues = new HashMap<>();
291        List<Map<String, Object>> repeaterValuesList = new ArrayList<>();
292        List<Integer> indexList = new ArrayList<>();
293
294        Optional<ModelAwareRepeater> repeater = parentContent.map(p -> p.getRepeater(prefix + viewItem.getName()));
295        
296        if (repeater.isPresent() && !attributeIdNames.isEmpty() && _allAttributesFilled(mappingValues, attributeIdNames))
297        {
298            indexList = repeater.get()
299                .getEntries()
300                .stream()
301                .filter(entry ->
302                {
303                    return attributeIdNames.stream()
304                        .allMatch(attributeName ->
305                        {
306                            // Get the entry value
307                            Object entryValue = entry.getValue(attributeName);
308                            
309                            // Get the row value for the attribute (from CSV file)
310                            Object rowValue = Optional.of(attributeName)
311                                    .map(mappingValues::get)
312                                    .map(String.class::cast)
313                                    .map(row::get)
314                                    .orElse(null);
315                            
316                            // Transform the row value to the right type then compare entry value and row value
317                            return Optional.of(attributeName)
318                                .map(viewItem::getModelViewItem)
319                                .map(ViewElement.class::cast)
320                                .map(ViewElement::getDefinition)
321                                .map(ElementDefinition::getType)
322                                .map(def -> def.castValue(rowValue))
323                                .map(value -> value.equals(entryValue))
324                                .orElse(false);
325                        });
326                })
327                .map(ModelAwareRepeaterEntry::getPosition)
328                .collect(Collectors.toList());
329        }
330        
331        // If entries match with attribute ids, we replace the first entries
332        // Else if the repeater exists, we assume we are on the next model item after the last one
333        // Else (the repeater doesn't exist, we set the rowIndex to first index
334        Integer rowIndex = indexList.isEmpty() ? repeater.map(Repeater::getSize).orElse(1) : indexList.get(0);
335        
336        for (ViewItem child : children)
337        {
338            try
339            {
340                Object entryValues = _getValue(parentContent, child, mappingValues, row, createAction, editAction, language, errors, prefix + viewItem.getName() + "[" + rowIndex + "]" + ModelItem.ITEM_PATH_SEPARATOR, importMode);
341                if (entryValues != null)
342                {
343                    repeaterValues.put(child.getName(), entryValues);
344                }
345            }
346            catch (Exception e)
347            {
348                errors.add(viewItem);
349                getLogger().error("Import from CSV file: error while trying to get values for view: {}", viewItem.getName(), e);
350            }
351        }
352        repeaterValuesList.add(repeaterValues);
353        
354        if (indexList.isEmpty())
355        {
356            return SynchronizableRepeater.appendOrRemove(repeaterValuesList, Set.of());
357        }
358        else
359        {
360            // If several rows match the id, only replace the first but add a warning
361            if (indexList.size() > 1)
362            {
363                errors.add(viewItem);
364            }
365            return SynchronizableRepeater.replace(repeaterValuesList, List.of(rowIndex));
366        }
367    }
368    
369    private Object _getContentAttributeDefinitionValues(Optional<? extends Content> parentContent, Map<String, Object> mapping, Map<String, String> row,
370            int createAction, int editAction, String language, ViewElementAccessor viewElementAccessor, ContentAttributeDefinition contentAttributeDefinition, List<ViewItem> errors, ImportMode importMode) throws Exception
371    {
372        String contentTypeId = contentAttributeDefinition.getContentTypeId();
373        ContentType contentType = _contentTypeEP.getExtension(contentTypeId);
374        @SuppressWarnings("unchecked")
375        Map<String, Object> nestedMap = (Map<String, Object>) mapping.get(viewElementAccessor.getName());
376        @SuppressWarnings("unchecked")
377        Map<String, Object> mappingValues = (Map<String, Object>) nestedMap.get(ImportCSVFileHelper.NESTED_MAPPING_VALUES);
378        @SuppressWarnings("unchecked")
379        List<String> attributeIdNames = (List<String>) nestedMap.get(ImportCSVFileHelper.NESTED_MAPPING_ID);
380        if (_allAttributesFilled(mappingValues, attributeIdNames))
381        {
382            View view = new View();
383            view.addViewItems(viewElementAccessor.getViewItems());
384            SynchronizeResult synchronizeResult = _synchronizeContent(row, contentType, view, attributeIdNames, mappingValues, createAction, editAction, null, language, errors, importMode, parentContent);
385            
386            Optional<ModifiableWorkflowAwareContent> attachedContent = synchronizeResult.content();
387            
388            if (synchronizeResult.hasKey && attachedContent.isEmpty() && importMode == ImportMode.UPDATE_ONLY)
389            {
390                errors.add(viewElementAccessor);
391            }
392            
393            // If content is multiple, we keep the old value list and we check if content was already inside, and add it otherwise
394            if (attachedContent.isPresent() && contentAttributeDefinition.isMultiple())
395            {
396                Optional<ContentValue[]> multipleContents = parentContent.map(c -> c.getValue(contentAttributeDefinition.getPath()));
397                if (!_containsContent(attachedContent.get(), multipleContents))
398                {
399                    // If there is no list or if it is empty, add it. Otherwise, we have to check if it is inside.
400                    SynchronizableValue syncValue = new SynchronizableValue(List.of(attachedContent.get()));
401                    syncValue.setMode(Mode.APPEND);
402                    return syncValue;
403                }
404                else if (multipleContents.isPresent())
405                {
406                    // return existing values as otherwise the values would be erased
407                    SynchronizableValue syncValue = new SynchronizableValue(Arrays.asList(multipleContents.get()));
408                    syncValue.setMode(Mode.REPLACE);
409                    return syncValue;
410                }
411            }
412            else
413            {
414                return attachedContent.orElse(null);
415            }
416        }
417        return null;
418    }
419    
420    private boolean _containsContent(ModifiableWorkflowAwareContent attachedContent, Optional<ContentValue[]> multipleContents)
421    {
422        return multipleContents
423                .map(Arrays::stream)
424                .orElseGet(Stream::empty)
425                .map(ContentValue::getContentId)
426                .anyMatch(valueFromContent -> valueFromContent.equals(attachedContent.getId()));
427    }
428    
429    private Object _getAttributeDefinitionValues(Optional<? extends Content> parentContent, Map<String, Object> mapping, Map<String, String> row, ElementDefinition elementDefinition, String language, String prefix)
430    {
431        ElementType elementType = elementDefinition.getType();
432        String elementName = elementDefinition.getName();
433        String elementColumn = (String) mapping.get(elementName);
434        String valueAsString = row.get(elementColumn);
435        
436        Object value;
437        if (elementType instanceof BaseMultilingualStringElementType && !MultilingualStringHelper.matchesMultilingualStringPattern(valueAsString))
438        {
439            MultilingualString multilingualString = new MultilingualString();
440            multilingualString.add(LocaleUtils.toLocale(language), valueAsString);
441            value = multilingualString;
442        }
443        else
444        {
445            value = elementType.castValue(valueAsString);
446        }
447        
448        if (elementDefinition.isMultiple())
449        {
450            // Build path with index for repeaters.
451            String pathWithIndex = prefix + elementDefinition.getName();
452            
453            Optional<Object[]> values = parentContent.map(c -> c.getValue(pathWithIndex));
454            if (!_containsValue(value, parentContent.map(c -> c.getValue(pathWithIndex))))
455            {
456                // If there is no list or if it is empty, add it. Otherwise, we have to check if it is inside.
457                // If there is no parentContent, still append as we want to fill the values map anyway.
458                SynchronizableValue syncValue = new SynchronizableValue(value != null ? List.of(value) : List.of());
459                syncValue.setMode(Mode.APPEND);
460                return syncValue;
461            }
462            else if (values.isPresent())
463            {
464                // return existing values as otherwise the values would be erased
465                SynchronizableValue syncValue = new SynchronizableValue(Arrays.asList(values.get()));
466                syncValue.setMode(Mode.REPLACE);
467                return syncValue;
468            }
469        }
470        else
471        {
472            return value;
473        }
474        
475        return null;
476    }
477    
478    private boolean _containsValue(Object value, Optional<Object[]> multipleValues)
479    {
480        return multipleValues
481                .map(Arrays::stream)
482                .orElseGet(Stream::empty)
483                .anyMatch(valueFromContent -> valueFromContent.equals(value));
484    }
485
486    private SynchronizeResult _synchronizeContent(Map<String, String> row, ContentType contentType, View view, List<String> attributeIdNames, Map<String, Object> mappingValues, int createAction, int editAction, String workflowName, String language, List<ViewItem> errors, ImportMode importMode, Optional< ? extends Content> parentContent) throws Exception
487    {
488        SynchronizeResult synchronizeResult = _getOrCreateContent(mappingValues, row, contentType, Optional.ofNullable(workflowName), createAction, language, attributeIdNames, parentContent, importMode);
489        Optional<ModifiableWorkflowAwareContent> content = synchronizeResult.content();
490        
491        // If we are on CREATE_ONLY mode and content already exists, or if we are on UPDATE_ONLY mode and content does not exists, stop recursivity
492        if (importMode == ImportMode.CREATE_ONLY && !synchronizeResult.isCreated() || importMode == ImportMode.UPDATE_ONLY && content.isEmpty())
493        {
494            return synchronizeResult;
495        }
496        
497        Map<String, Object> values = _getValues(content, row, view, mappingValues, createAction, editAction, language, errors, importMode);
498        if (!values.isEmpty())
499        {
500            if (content.isEmpty())
501            {
502                // Throw this exception only when values are filled, as an empty content should not trigger any warning
503                throw new ContentImportException("Can't create and fill content of content type '" + contentType.getId() + "' and following values '" + values + "' : at least one of those identifiers is null : " + attributeIdNames);
504            }
505            else
506            {
507                try
508                {
509                    _editContent(editAction, view, values, content.get());
510                }
511                catch (WorkflowException e)
512                {
513                    errors.addAll(view.getViewItems());
514                    getLogger().error("[{}] Import from CSV file: error editing the content [{}] after import, some values have not been set", contentType.getId(), content.get().getId(), e);
515                }
516            }
517        }
518        
519        return synchronizeResult;
520    }
521    
522    private SynchronizeResult _getOrCreateContent(Map<String, Object> mapping, Map<String, String> row, ContentType contentType, Optional<String> workflowName, int createAction, String language, List<String> attributeIdNames, Optional<? extends Content> parentContent, ImportMode importMode) throws ContentImportException, WorkflowException
523    {
524        AndExpression expression = new AndExpression();
525        List<String> values = new ArrayList<>();
526        
527        for (String attributeName : attributeIdNames)
528        {
529            ModelItem modelItem = contentType.getModelItem(attributeName);
530            String attributePath = (String) mapping.get(attributeName);
531            String value = row.get(attributePath);
532            values.add(value);
533            
534            if (value == null)
535            {
536                return new SynchronizeResult(false, Optional.empty(), false);
537            }
538            
539            // Get content
540            if (modelItem.getType() instanceof MultilingualStringRepositoryElementType)
541            {
542                expression.add(new MultilingualStringExpression(attributeName, Operator.EQ, value, language));
543            }
544            else
545            {
546                expression.add(new StringExpression(attributeName, Operator.EQ, value));
547            }
548        }
549
550        expression.add(_contentTypeEP.createHierarchicalCTExpression(contentType.getId()));
551        
552        if (!contentType.isMultilingual())
553        {
554            expression.add(new StringExpression("language", Operator.EQ, language, ExpressionContext.newInstance().withInternal(true)));
555        }
556        
557        String xPathQuery = ContentQueryHelper.getContentXPathQuery(expression);
558        AmetysObjectIterable<ModifiableDefaultContent> matchingContents = _resolver.query(xPathQuery);
559        if (matchingContents.getSize() > 1)
560        {
561            throw new ContentImportException("More than one content found for type " + contentType.getId() + " with "
562                    + attributeIdNames + " as identifier and " + values + " as value");
563        }
564        else if (matchingContents.getSize() == 1)
565        {
566            return new SynchronizeResult(false, Optional.of(matchingContents.iterator().next()), true);
567        }
568        else if (importMode == ImportMode.UPDATE_ONLY)
569        {
570            return new SynchronizeResult(false, Optional.empty(), true);
571        }
572        
573        // Create content
574
575        if (contentType.isAbstract())
576        {
577            throw new ContentImportException("Can not create content for type " + contentType.getId() + " with "
578                    + attributeIdNames + " as identifier and " + values + " as value, the content type is abstract");
579        }
580        
581        Map<String, Object> result;
582        String title;
583        if (mapping.containsKey("title"))
584        {
585            title = row.get(mapping.get("title"));
586        }
587        else
588        {
589            title = _i18nUtils.translate(contentType.getDefaultTitle(), language);
590        }
591        
592        
593        String finalWorkflowName = workflowName.or(contentType::getDefaultWorkflowName)
594                                               .orElseThrow(() -> new ContentImportException("No workflow specified for content type " + contentType.getId() + " with "
595                                                       + attributeIdNames + " as identifier and " + values + " as value"));
596
597        Map<String, Object> inputs = new HashMap<>();
598        inputs.put(CreateContentFunction.INITIAL_VALUE_SUPPLIER, new Function<List<String>, Object>()
599        {
600            public Object apply(List<String> keys)
601            {
602                // Browse the mapping to find the column related to the attribute
603                Object nestedValue = mapping;
604                for (String key : keys)
605                {
606                    nestedValue = ((Map) nestedValue).get(key);
607                    // If nestedValue is null, the attribute is absent from the map, no value can be found
608                    if (nestedValue == null)
609                    {
610                        return null;
611                    }
612                    // If nestedValue is a map, the key is a complex element such a content or a composite,
613                    // we need to keep browsing the map to find the column
614                    if (nestedValue instanceof Map)
615                    {
616                        nestedValue = ((Map) nestedValue).get(ImportCSVFileHelper.NESTED_MAPPING_VALUES);
617                    }
618                }
619                
620                // Get the value of the attribute for the current row
621                return row.get(nestedValue.toString());
622            }
623        });
624        
625        parentContent.ifPresent(content -> inputs.put(CreateContentFunction.PARENT_CONTEXT_VALUE, content.getId()));
626        
627        // CONTENTIO-253 To avoid issue with title starting with a non letter character, we prefix the name with the contentTypeId
628        String prefix = StringUtils.substringAfterLast(contentType.getId(), ".").toLowerCase();
629        String contentName = prefix + "-" + title;
630        
631        if (contentType.isMultilingual())
632        {
633            inputs.put(CreateContentFunction.CONTENT_LANGUAGE_KEY, language);
634            result = _contentWorkflowHelper.createContent(finalWorkflowName, createAction, contentName, Map.of(language, title), new String[] {contentType.getId()}, null, inputs);
635        }
636        else
637        {
638            result = _contentWorkflowHelper.createContent(finalWorkflowName, createAction, contentName, title, new String[] {contentType.getId()}, null, language, inputs);
639        }
640        
641        ModifiableWorkflowAwareContent content = (ModifiableWorkflowAwareContent) result.get(AbstractContentWorkflowComponent.CONTENT_KEY);
642        return new SynchronizeResult(true, Optional.of(content), true);
643    }
644    
645    private Map<String, Object> _getValues(Optional<ModifiableWorkflowAwareContent> content, Map<String, String> row, View view, Map<String, Object> mappingValues, int createAction, int editAction, String language, List<ViewItem> errors, ImportMode importMode)
646    {
647        Map<String, Object> values = new HashMap<>();
648        
649        for (ViewItem viewItem : view.getViewItems())
650        {
651            try
652            {
653                Object value = _getValue(content, viewItem, mappingValues, row, createAction, editAction, language, errors, StringUtils.EMPTY, importMode);
654                if (value != null)
655                {
656                    values.put(viewItem.getName(), value);
657                }
658            }
659            catch (Exception e)
660            {
661                errors.add(viewItem);
662                getLogger().error("Import from CSV file: error while trying to get values for item '{}'", viewItem.getName(), e);
663            }
664        }
665        
666        return values;
667    }
668    
669    private boolean _allAttributesFilled(Map<String, Object> mappingValues, List<String> attributeNames)
670    {
671        return mappingValues.entrySet()
672            .stream()
673            .filter(entry -> attributeNames.contains(entry.getKey()))
674            .map(Entry::getValue)
675            .allMatch(Objects::nonNull);
676    }
677    
678    private record SynchronizeResult(boolean isCreated, Optional<ModifiableWorkflowAwareContent> content, boolean hasKey) { /* empty */ }
679    
680}