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 scanTournament(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         PGNTournament tournament = null;
  51         Map<String, String> result = matchMap(
  52                 assignUrl(
  53                         tournamentName, true
  54                 ),
  55                 getSettings().getTournamentQueryUrlRegex(),
  56                 true
  57         );
  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 scanGame(String gameId) throws ChessHogScannerException {
  74         String pgn = request(
  75                 assignUrl(gameId)
  76         );
  77         if (!isPgnFormat(pgn)) {
  78             throw new ChessHogScannerException(
  79                     String.format("Failed to get PGN for requesting game ID: %s", gameId)
  80             );
  81         }
  82         return new PGNGame(
  83                 gameId, pgn
  84         );
  85     }
  86
  87     @Override
  88     public PGNGame scanGame(String gameId, String tournamentId) throws ChessHogScannerException {
  89         return scanGame(gameId);
  90     }
  91
  92     @Override
  93     public PGNGame scanUrl(String gameUrl) throws ChessHogScannerException {
  94         String pgn = regex(
  95                 request(
  96                         gameUrl
  97                 ),
  98                 getSettings().getGameUrlRegex()
  99         );
 100         if (pgn == null || !isPgnFormat(pgn)) {
 101             throw new ChessHogScannerException(
 102                     String.format("Failed to get PGN for requesting URL: %s", gameUrl)
 103             );
 104         }
 105         return new PGNGame(
 106                 null,
 107                 pgn
 108         );
 109     }
 110
 111     private void assignTournamentGames(PGNTournament tournament) throws ChessHogScannerException {
 112         tournament.clearGames();
 113         List<String> gamesId = new ArrayList<>();
 114
 115         List<String> pageGamesId;
 116         int pageId = 0;
 117         do {
 118             pageGamesId = match(
 119                     assignUrl(
 120                             tournament.id(),
 121                             Integer.toString(++pageId)
 122                     ),
 123                     getSettings().getTournamentGamesUrlRegex(),
 124                     false
 125             );
 126             gamesId.addAll(
 127                     pageGamesId
 128             );
 129         } while (!pageGamesId.isEmpty());
 130
 131         for (String gameId : gamesId) {
 132             tournament.addGame(
 133                     scanGame(gameId)
 134             );
 135         }
 136     }
 137
 138 }