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1   package de.dlr.shepard.data.file.daos;
2   
3   import de.dlr.shepard.common.neo4j.daos.GenericDAO;
4   import de.dlr.shepard.common.util.CypherQueryHelper;
5   import de.dlr.shepard.common.util.CypherQueryHelper.Neighborhood;
6   import de.dlr.shepard.common.util.QueryParamHelper;
7   import de.dlr.shepard.data.file.entities.FileContainer;
8   import jakarta.enterprise.context.RequestScoped;
9   import java.util.ArrayList;
10  import java.util.HashMap;
11  import java.util.List;
12  import java.util.Map;
13  
14  @RequestScoped
15  public class FileContainerDAO extends GenericDAO<FileContainer> {
16  
17    public List<FileContainer> findAllFileContainers(QueryParamHelper params, String username) {
18      String query;
19      Map<String, Object> paramsMap = new HashMap<>();
20      paramsMap.put("name", params.getName());
21      if (params.hasPagination()) {
22        paramsMap.put("offset", params.getPagination().getOffset());
23        paramsMap.put("size", params.getPagination().getSize());
24      }
25      query = String.format(
26        "MATCH %s WHERE %s WITH c",
27        CypherQueryHelper.getObjectPart("c", "FileContainer", params.hasName()),
28        CypherQueryHelper.getReadableByQuery("c", username)
29      );
30      if (params.hasOrderByAttribute()) {
31        query += " " + CypherQueryHelper.getOrderByPart("c", params.getOrderByAttribute(), params.getOrderDesc());
32      }
33      if (params.hasPagination()) {
34        query += " " + CypherQueryHelper.getPaginationPart();
35      }
36      query += " " + CypherQueryHelper.getReturnPart("c", Neighborhood.ESSENTIAL);
37      var result = new ArrayList<FileContainer>();
38      for (var container : findByQuery(query, paramsMap)) {
39        if (matchName(container, params.getName())) {
40          result.add(container);
41        }
42      }
43      return result;
44    }
45  
46    private boolean matchName(FileContainer container, String name) {
47      return name == null || container.getName().equalsIgnoreCase(name);
48    }
49  
50    @Override
51    public Class<FileContainer> getEntityType() {
52      return FileContainer.class;
53    }
54  }