Simplify the user management
[clamp.git] / src / main / java / org / onap / clamp / tosca / DictionaryService.java
1 /*-
2  * ============LICENSE_START=======================================================
3  * ONAP CLAMP
4  * ================================================================================
5  * Copyright (C) 2020 AT&T Intellectual Property. All rights
6  *                             reserved.
7  * ================================================================================
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  * ============LICENSE_END============================================
20  * ===================================================================
21  *
22  */
23
24 package org.onap.clamp.tosca;
25
26 import com.google.common.collect.Sets;
27 import java.util.List;
28 import java.util.Set;
29 import javax.persistence.EntityNotFoundException;
30 import org.springframework.beans.factory.annotation.Autowired;
31 import org.springframework.stereotype.Service;
32
33 @Service
34 public class DictionaryService {
35
36     private final DictionaryRepository dictionaryRepository;
37     private final DictionaryElementsRepository dictionaryElementsRepository;
38
39     /**
40      * Constructor.
41      */
42     @Autowired
43     public DictionaryService(DictionaryRepository dictionaryRepository,
44         DictionaryElementsRepository dictionaryElementsRepository) {
45         this.dictionaryRepository = dictionaryRepository;
46         this.dictionaryElementsRepository = dictionaryElementsRepository;
47
48     }
49
50     public Dictionary saveOrUpdateDictionary(Dictionary dictionary) {
51         return dictionaryRepository.save(dictionary);
52     }
53
54     /**
55      * Creates or Updates Dictionary Element.
56      *
57      * @param dictionaryName The Dictionary name
58      * @param dictionary The Dictionary object with dictionary elements
59      * @return updated Dictionary object with all dictionary elements
60      */
61     public Dictionary saveOrUpdateDictionaryElement(String dictionaryName, Dictionary dictionary) {
62         Dictionary dict = getDictionary(dictionaryName);
63
64         Set<DictionaryElement> newDictionaryElements = dictionary.getDictionaryElements();
65
66         for (DictionaryElement dictionaryElement : newDictionaryElements) {
67             if (dict.getDictionaryElements().contains(dictionaryElement)) {
68                 // Update the Dictionary Element
69                 getAndUpdateDictionaryElement(dict, dictionaryElement);
70             } else {
71                 // Create the Dictionary Element
72                 dict.addDictionaryElements(getAndUpdateDictionaryElement(dict, dictionaryElement));
73                 dictionaryRepository.save(dict);
74             }
75         }
76
77         // Fetch again to get Dictionary with most recent updates.
78         return dictionaryRepository.findById(dictionaryName).orElseThrow(
79             () -> new EntityNotFoundException("Couldn't find Dictionary named: " + dictionaryName));
80
81     }
82
83     private DictionaryElement getAndUpdateDictionaryElement(Dictionary dictionary,
84         DictionaryElement element) {
85         return dictionaryElementsRepository
86             .save(dictionaryElementsRepository.findById(element.getShortName())
87                 .map(p -> updateDictionaryElement(p, element, dictionary))
88                 .orElse(new DictionaryElement(element.getName(), element.getShortName(),
89                     element.getDescription(), element.getType(), element.getSubDictionary(),
90                     Sets.newHashSet(dictionary))));
91     }
92
93     public void deleteDictionary(Dictionary dictionary) {
94         dictionaryRepository.delete(dictionary);
95     }
96
97     public void deleteDictionary(String dictionaryName) {
98         dictionaryRepository.deleteById(dictionaryName);
99     }
100
101     public List<Dictionary> getAllDictionaries() {
102         return dictionaryRepository.findAll();
103     }
104
105     public List<String> getAllSecondaryLevelDictionaryNames() {
106         return dictionaryRepository.getAllSecondaryLevelDictionaryNames();
107     }
108
109     public Dictionary getDictionary(String dictionaryName) {
110         return dictionaryRepository.findById(dictionaryName).orElseThrow(
111             () -> new EntityNotFoundException("Couldn't find Dictionary named: " + dictionaryName));
112     }
113
114     /**
115      * Deletes a dictionary element from Dictionary by shortName.
116      *
117      * @param dictionaryName The dictionary name
118      * @param dictionaryElementShortName the dictionary Element Short name
119      */
120     public void deleteDictionaryElement(String dictionaryName, String dictionaryElementShortName) {
121         if (dictionaryRepository.existsById(dictionaryName)) {
122             DictionaryElement element =
123                 dictionaryElementsRepository.findById(dictionaryElementShortName).orElse(null);
124             if (element != null) {
125                 Dictionary dict = getDictionary(dictionaryName);
126                 dict.removeDictionaryElement(element);
127                 dictionaryRepository.save(dict);
128             }
129         }
130     }
131
132     private DictionaryElement updateDictionaryElement(DictionaryElement oldDictionaryElement,
133         DictionaryElement newDictionaryElement, Dictionary dictionary) {
134         oldDictionaryElement.setName(newDictionaryElement.getName());
135         oldDictionaryElement.setDescription(newDictionaryElement.getDescription());
136         oldDictionaryElement.setType(newDictionaryElement.getType());
137         oldDictionaryElement.setSubDictionary(newDictionaryElement.getSubDictionary());
138         oldDictionaryElement.getUsedByDictionaries().add(dictionary);
139         return oldDictionaryElement;
140     }
141 }