1 package de.dlr.shepard.neo4Core.services;
2
3 import de.dlr.shepard.neo4Core.dao.PermissionsDAO;
4 import de.dlr.shepard.neo4Core.dao.UserDAO;
5 import de.dlr.shepard.neo4Core.dao.UserGroupDAO;
6 import de.dlr.shepard.neo4Core.entities.Permissions;
7 import de.dlr.shepard.neo4Core.entities.User;
8 import de.dlr.shepard.neo4Core.entities.UserGroup;
9 import de.dlr.shepard.neo4Core.io.UserGroupIO;
10 import de.dlr.shepard.util.DateHelper;
11 import de.dlr.shepard.util.PermissionType;
12 import de.dlr.shepard.util.QueryParamHelper;
13 import jakarta.enterprise.context.RequestScoped;
14 import jakarta.inject.Inject;
15 import java.util.ArrayList;
16 import java.util.List;
17
18 @RequestScoped
19 public class UserGroupService {
20
21 private UserGroupDAO userGroupDAO;
22 private UserDAO userDAO;
23 private PermissionsDAO permissionsDAO;
24 private DateHelper dateHelper;
25
26 UserGroupService() {}
27
28 @Inject
29 public UserGroupService(
30 UserGroupDAO userGroupDAO,
31 UserDAO userDAO,
32 PermissionsDAO permissionsDAO,
33 DateHelper dateHelper
34 ) {
35 this.userGroupDAO = userGroupDAO;
36 this.userDAO = userDAO;
37 this.permissionsDAO = permissionsDAO;
38 this.dateHelper = dateHelper;
39 }
40
41 public List<UserGroup> getAllUserGroups(QueryParamHelper params, String username) {
42 return userGroupDAO.findAllUserGroups(params, username);
43 }
44
45 public UserGroup getUserGroup(Long userGroupId) {
46 return userGroupDAO.findByNeo4jId(userGroupId);
47 }
48
49 public UserGroup createUserGroup(UserGroupIO userGroup, String username) {
50 var user = userDAO.find(username);
51 var toCreate = new UserGroup();
52 toCreate.setName(userGroup.getName());
53 toCreate.setCreatedBy(user);
54 toCreate.setCreatedAt(dateHelper.getDate());
55 toCreate.setUsers(fetchUsers(userGroup.getUsernames()));
56 var created = userGroupDAO.createOrUpdate(toCreate);
57 permissionsDAO.createOrUpdate(new Permissions(created, user, PermissionType.Private));
58 return created;
59 }
60
61 public UserGroup updateUserGroup(Long id, UserGroupIO userGroup, String username) {
62 var user = userDAO.find(username);
63 var old = userGroupDAO.findByNeo4jId(id);
64 old.setUpdatedBy(user);
65 old.setUpdatedAt(dateHelper.getDate());
66 old.setName(userGroup.getName());
67 old.setUsers(fetchUsers(userGroup.getUsernames()));
68 var updated = userGroupDAO.createOrUpdate(old);
69 return updated;
70 }
71
72 public boolean deleteUserGroup(Long id) {
73 var old = userGroupDAO.findByNeo4jId(id);
74 if (old == null) return false;
75
76 var permissions = permissionsDAO.findByEntityNeo4jId(id);
77 var permissionsResult = permissions == null || permissionsDAO.deleteByNeo4jId(permissions.getId());
78 if (!permissionsResult) return false;
79
80 return userGroupDAO.deleteByNeo4jId(id);
81 }
82
83 private ArrayList<User> fetchUsers(String[] usernames) {
84 var result = new ArrayList<User>(usernames.length);
85 for (var username : usernames) {
86 if (username == null) {
87 continue;
88 }
89 var user = userDAO.find(username);
90 if (user != null) {
91 result.add(user);
92 }
93 }
94 return result;
95 }
96 }