[LIB-13] Add function to Scanner API
[chesshog-scanner.git] / src / main / java / org / hedgecode / chess / scanner / portal / ChessGamesScanner.java
1 /*
2  * Copyright (c) 2019-2020. Developed by Hedgecode.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *   http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.hedgecode.chess.scanner.portal;
18
19 import java.util.ArrayList;
20 import java.util.List;
21 import java.util.Map;
22
23 import org.hedgecode.chess.scanner.ChessHogScannerException;
24 import org.hedgecode.chess.scanner.entity.PGNGame;
25 import org.hedgecode.chess.scanner.entity.PGNTournament;
26
27 /**
28  * ChessGamesScanner
29  *
30  * @author Dmitry Samoshin aka gotty
31  */
32 public class ChessGamesScanner extends AbstractSettingsScanner {
33
34     private static final String SETTINGS_FILENAME = "chessgames.settings";
35
36     @Override
37     protected String getResourceName() {
38         return SETTINGS_FILENAME;
39     }
40
41     @Override
42     public PGNTournament getTournament(String tournamentId) throws ChessHogScannerException {
43         PGNTournament tournament = new PGNTournament(tournamentId);
44         assignTournamentGames(tournament);
45         return tournament;
46     }
47
48     @Override
49     public PGNTournament findTournament(String tournamentName) throws ChessHogScannerException {
50         Map<String, String> result = matchMap(
51                 assignUrl(
52                         tournamentName, true
53                 ),
54                 getSettings().getTournamentQueryUrlRegex(),
55                 true
56         );
57         PGNTournament tournament = null;
58         for (Map.Entry<String, String> entry : result.entrySet()) {
59             if (entry.getValue().contains(tournamentName)) { // todo: contains?
60                 tournament = new PGNTournament(
61                         entry.getKey(),
62                         entry.getValue()
63                 );
64             }
65         }
66         if (tournament != null) {
67             assignTournamentGames(tournament);
68         }
69         return tournament;
70     }
71
72     @Override
73     public PGNGame getGame(String gameId) throws ChessHogScannerException {
74         String pgn = request(
75                 assignUrl(gameId)
76         );
77         return new PGNGame(
78                 gameId, pgn
79         );
80     }
81
82     @Override
83     public PGNGame getGame(String gameId, String tournamentId) throws ChessHogScannerException {
84         return getGame(gameId);
85     }
86
87     private void assignTournamentGames(PGNTournament tournament) throws ChessHogScannerException {
88         tournament.clearGames();
89         List<String> gamesId = new ArrayList<>();
90
91         List<String> pageGamesId;
92         int pageId = 0;
93         do {
94             pageGamesId = match(
95                     assignUrl(
96                             tournament.id(),
97                             Integer.toString(++pageId)
98                     ),
99                     getSettings().getTournamentGamesUrlRegex(),
100                     false
101             );
102             gamesId.addAll(
103                     pageGamesId
104             );
105         } while (!pageGamesId.isEmpty());
106
107         for (String gameId : gamesId) {
108             tournament.addGame(
109                     getGame(gameId)
110             );
111         }
112     }
113
114 }