Wikivoyage to OBF migration: Show detailed articles.

OsmAnd-java/src/main/java/net/osmand/data/Amenity.java

@@ -43,6 +43,7 @@ public class Amenity extends MapObject {
 	public static final String IS_PART = "is_part";
 	public static final String IS_AGGR_PART = "is_aggr_part";
 	public static final String CONTENT_JSON = "content_json";
+	public static final String ROUTE_ID = "route_id";
 
 
 	private String subType;

OsmAnd/src/net/osmand/plus/wikivoyage/data/TravelObfHelper.java

@@ -25,10 +25,13 @@ import java.io.File;
 import java.io.IOException;
 import java.io.RandomAccessFile;
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.Iterator;
 import java.util.LinkedHashMap;
 import java.util.List;
 
+import gnu.trove.map.TLongObjectMap;
+import gnu.trove.map.hash.TLongObjectHashMap;
 
 
 public class TravelObfHelper implements TravelHelper{
@@ -46,13 +49,14 @@ public class TravelObfHelper implements TravelHelper{
 	private List<File> existingTravelBooks = new ArrayList<>();
 	private List<TravelArticle> popularArticles = new ArrayList<TravelArticle>();
 
-	private BinaryMapIndexReader index = null;
+	private TLongObjectMap<TravelArticle> cachedArticles;
 
 
 	public TravelObfHelper(OsmandApplication application) {
 		this.application = application;
 		collator = OsmAndCollator.primaryCollator();
 		localDataHelper = new TravelLocalDataHelper(application);
+		cachedArticles = new TLongObjectHashMap<>();
 	}
 
 	public static boolean checkIfObfFileExists(OsmandApplication app) {
@@ -194,7 +198,9 @@ public class TravelObfHelper implements TravelHelper{
 				while (it.hasNext()) {
 					Amenity a = it.next();
 					if (!a.getName(language).equals("")) {
-						popularArticles.add(readArticle(a, language));
+						TravelArticle article = readArticle(a, language);
+						popularArticles.add(article);
+						writeToCache(article);
 					}
 				}
 			}
@@ -205,7 +211,6 @@ public class TravelObfHelper implements TravelHelper{
 		return popularArticles;
 	}
 
-
 	private TravelArticle readArticle(Amenity amenity, String lang) {
 		TravelArticle res = new TravelArticle();
 
@@ -215,13 +220,22 @@ public class TravelObfHelper implements TravelHelper{
 		res.lat = amenity.getLocation().getLatitude();
 		res.lon = amenity.getLocation().getLongitude();
 		res.imageTitle = amenity.getTagContent(Amenity.IMAGE_TITLE, lang) == null ? "" : amenity.getTagContent(Amenity.IMAGE_TITLE, lang);
-		res.tripId = amenity.getId(); //?
+		long tripId = -1;
+		String val = amenity.getTagContent(Amenity.ROUTE_ID, null);
+		if (val != null && val.startsWith("Q")) {
+			try {
+				tripId = Long.parseLong(val.substring(1));
+			} catch (NumberFormatException nfe) {
+				LOG.error(nfe.getMessage());
+			}
+		}
+		res.tripId = tripId;
 		res.originalId = 0; //?
 		res.lang = lang;
 		res.contentsJson = amenity.getTagContent(Amenity.CONTENT_JSON, lang) == null ? "" : amenity.getTagContent(Amenity.CONTENT_JSON, lang);
 		res.aggregatedPartOf = amenity.getTagContent(Amenity.IS_AGGR_PART, lang) == null ? "" : amenity.getTagContent(Amenity.IS_AGGR_PART, lang);
 
-//      crash in some places, need to fix it
+//      occasional crashes
 //		try {
 //			String gpxContent = amenity.getAdditionalInfo("gpx_info");
 //			res.gpxFile = GPXUtilities.loadGPXFile(new ByteArrayInputStream(gpxContent.getBytes("UTF-8")));
@@ -254,14 +268,75 @@ public class TravelObfHelper implements TravelHelper{
 		return null;
 	}
 
-	@Override
+	private void writeToCache(TravelArticle article) {
-	public TravelArticle getArticle(long cityId, String lang) {
+		cachedArticles.put(article.tripId, article);
-		return null;
+	}
+
+	private TravelArticle getArticleFromCache(long tripId, String lang) {
+
+		TravelArticle article = cachedArticles.get(tripId);
+//		if (aa != null) {
+//			article = readArticle(aa, lang);
+//		}
+		return  article;
 	}
 
 	@Override
-	public TravelArticle getArticle(String title, String lang) {
+	public TravelArticle getArticle(long resId, String lang) {
-		return null;
+		TravelArticle article = getArticleFromCache(resId, lang);
+		if (article != null) {
+			return  article;
+		}
+		String name = ""; //???
+		return getArticle(name, lang);
+	}
+
+	@Override
+	public TravelArticle getArticle(final String title, final String lang) {
+		TravelArticle res = null;
+		List<Amenity> amenities = Collections.emptyList();
+		try {
+			BinaryMapIndexReader indexReader = getBookBinaryIndex();
+			if (indexReader != null) {
+				int left = 0;
+				int top = 0;
+				int right = Integer.MAX_VALUE;
+				int bottom = Integer.MAX_VALUE;
+				final List<Amenity> results = new ArrayList<>();
+
+				LatLon ll = application.getMapViewTrackingUtilities().getMapLocation();
+
+				BinaryMapIndexReader.SearchRequest<Amenity> req = BinaryMapIndexReader.buildSearchPoiRequest(
+						MapUtils.get31TileNumberX(ll.getLongitude()),
+						MapUtils.get31TileNumberY(ll.getLatitude()), title,
+						left, top, right, bottom,
+						new ResultMatcher<Amenity>() {
+							@Override
+							public boolean publish(Amenity object) {
+								if (object.getName(lang).equals(title)) {
+									results.add(object);
+									return true;
+								}
+								return false;
+							}
+
+							@Override
+							public boolean isCancelled() {
+								return false;
+							}
+						});
+
+				amenities = indexReader.searchPoiByName(req);
+			}
+		} catch (IOException e) {
+			//todo
+		}
+		if (!amenities.isEmpty()) {
+			for (Amenity a : amenities) {
+				LOG.debug("searched article: " + a);
+			}
+		}
+		return res;
 	}
 
 	@Override
@@ -269,9 +344,19 @@ public class TravelObfHelper implements TravelHelper{
 		return 0;
 	}
 
+
+    //TODO finish stub
 	@Override
 	public ArrayList<String> getArticleLangs(long cityId) {
-		return null;
+		ArrayList<String> res = new ArrayList<>();
+		res.add("en");
+
+		for (TravelArticle article : popularArticles) {
+			if (article.getTripId() == cityId) {
+				res.add(article.getLang());
+			}
+		}
+		return res;
 	}
 
 	@Override