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1   package de.dlr.shepard.neo4Core.dao;
2   
3   import java.util.ArrayList;
4   import java.util.HashMap;
5   import java.util.List;
6   import java.util.Map;
7   
8   import de.dlr.shepard.neo4Core.entities.FileContainer;
9   import de.dlr.shepard.util.CypherQueryHelper;
10  import de.dlr.shepard.util.CypherQueryHelper.Neighborhood;
11  import de.dlr.shepard.util.QueryParamHelper;
12  
13  public class FileContainerDAO extends GenericDAO<FileContainer> {
14  
15  	public List<FileContainer> findAllFileContainers(QueryParamHelper params, String username) {
16  		String query;
17  		Map<String, Object> paramsMap = new HashMap<>();
18  		paramsMap.put("name", params.getName());
19  		if (params.hasPagination()) {
20  			paramsMap.put("offset", params.getPagination().getOffset());
21  			paramsMap.put("size", params.getPagination().getSize());
22  		}
23  		query = String.format("MATCH %s WHERE %s WITH c",
24  				CypherQueryHelper.getObjectPart("c", "FileContainer", params.hasName()),
25  				CypherQueryHelper.getReadableByQuery("c", username));
26  		if (params.hasOrderByAttribute()) {
27  			query += " " + CypherQueryHelper.getOrderByPart("c", params.getOrderByAttribute(), params.getOrderDesc());
28  		}
29  		if (params.hasPagination()) {
30  			query += " " + CypherQueryHelper.getPaginationPart();
31  		}
32  		query += " " + CypherQueryHelper.getReturnPart("c", Neighborhood.ESSENTIAL);
33  		var result = new ArrayList<FileContainer>();
34  		for (var container : findByQuery(query, paramsMap)) {
35  			if (matchName(container, params.getName())) {
36  				result.add(container);
37  			}
38  		}
39  		return result;
40  	}
41  
42  	private boolean matchName(FileContainer container, String name) {
43  		return name == null || container.getName().equalsIgnoreCase(name);
44  	}
45  
46  	@Override
47  	public Class<FileContainer> getEntityType() {
48  		return FileContainer.class;
49  	}
50  
51  }