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Add order column to popular

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This commit is contained in:
Victor Shcherb 2018-05-15 09:58:54 +02:00
parent bf1954de39
commit e2175a5e06
1 changed files with 25 additions and 3 deletions
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28
OsmAnd/src/net/osmand/plus/wikivoyage/data/TravelDbHelper.java
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@ -49,6 +49,7 @@ public class TravelDbHelper {
private static final String POPULAR_TABLE_NAME = "popular_articles"; private static final String POPULAR_TABLE_NAME = "popular_articles";
private static final String ARTICLES_COL_ID = "article_id"; private static final String ARTICLES_COL_ID = "article_id";
private static final String ARTICLES_POP_INDEX = "popularity_index"; private static final String ARTICLES_POP_INDEX = "popularity_index";
private static final String ARTICLES_POP_ORDER = "order";
private static final String ARTICLES_COL_TITLE = "title"; private static final String ARTICLES_COL_TITLE = "title";
private static final String ARTICLES_COL_CONTENT = "content_gz"; private static final String ARTICLES_COL_CONTENT = "content_gz";
private static final String ARTICLES_COL_IS_PART_OF = "is_part_of"; private static final String ARTICLES_COL_IS_PART_OF = "is_part_of";
@ -84,6 +85,7 @@ public class TravelDbHelper {
ARTICLES_COL_LON + ", " + ARTICLES_COL_LON + ", " +
ARTICLES_COL_TRIP_ID + ", " + ARTICLES_COL_TRIP_ID + ", " +
ARTICLES_COL_LANG + ", " + ARTICLES_COL_LANG + ", " +
ARTICLES_POP_ORDER + ", " +
ARTICLES_POP_INDEX + ARTICLES_POP_INDEX +
" FROM " + POPULAR_TABLE_NAME; " FROM " + POPULAR_TABLE_NAME;
@ -252,13 +254,16 @@ public class TravelDbHelper {
String LANG_WHERE = " WHERE " + ARTICLES_COL_LANG + " = '" + language + "'"; String LANG_WHERE = " WHERE " + ARTICLES_COL_LANG + " = '" + language + "'";
SQLiteCursor cursor = conn.rawQuery(POP_ARTICLES_TABLE_SELECT + LANG_WHERE, null); SQLiteCursor cursor = conn.rawQuery(POP_ARTICLES_TABLE_SELECT + LANG_WHERE, null);
// read popular articles // read popular articles
List<PopularArticle> popReadArticlesOrder = new ArrayList<>();
List<PopularArticle> popReadArticlesLocation = new ArrayList<>(); List<PopularArticle> popReadArticlesLocation = new ArrayList<>();
List<PopularArticle> popReadArticles = new ArrayList<>(); List<PopularArticle> popReadArticles = new ArrayList<>();
if (cursor.moveToFirst()) { if (cursor.moveToFirst()) {
do { do {
PopularArticle travelArticle = PopularArticle.readArticle(cursor); PopularArticle travelArticle = PopularArticle.readArticle(cursor);
if (language.equals(travelArticle.lang)) { if (language.equals(travelArticle.lang)) {
if(travelArticle.isLocationSpecified()) { if(travelArticle.order != -1) {
popReadArticlesOrder.add(travelArticle);
} if(travelArticle.isLocationSpecified()) {
popReadArticlesLocation.add(travelArticle); popReadArticlesLocation.add(travelArticle);
} else { } else {
popReadArticles.add(travelArticle); popReadArticles.add(travelArticle);
@ -270,13 +275,27 @@ public class TravelDbHelper {
// shuffle, sort & mix // shuffle, sort & mix
Random rm = new Random(); Random rm = new Random();
Collections.shuffle(popReadArticles, rm); Collections.shuffle(popReadArticles, rm);
Collections.sort(popReadArticlesOrder, new Comparator<PopularArticle>() {
@Override
public int compare(PopularArticle article1, PopularArticle article2) {
return Integer.compare(article1.order, article2.order);
}
});
sortPopArticlesByDistance(popReadArticlesLocation); sortPopArticlesByDistance(popReadArticlesLocation);
List<Long> resArticleOrder = new ArrayList<Long>(); List<Long> resArticleOrder = new ArrayList<Long>();
Iterator<PopularArticle> orderIterator = popReadArticlesOrder.iterator();
Iterator<PopularArticle> locIterator = popReadArticlesLocation.iterator(); Iterator<PopularArticle> locIterator = popReadArticlesLocation.iterator();
Iterator<PopularArticle> otherIterator = popReadArticles.iterator(); Iterator<PopularArticle> otherIterator = popReadArticles.iterator();
int initialLocationArticles = 2;
for (int i = 0; i < POPULAR_LIMIT; i++) { for (int i = 0; i < POPULAR_LIMIT; i++) {
PopularArticle pa = null; PopularArticle pa = null;
if((!otherIterator.hasNext() || rm.nextBoolean()) && locIterator.hasNext()) { if(orderIterator.hasNext()) {
pa = orderIterator.next();
} else if(initialLocationArticles-- > 0 && locIterator.hasNext()) {
// first 2 by location
pa = locIterator.next();
} else if((!otherIterator.hasNext() || (rm.nextDouble() > 0.4)) && locIterator.hasNext()) {
// 60% case we select location iterator
pa = locIterator.next(); pa = locIterator.next();
} else if(otherIterator.hasNext()){ } else if(otherIterator.hasNext()){
pa = otherIterator.next(); pa = otherIterator.next();
@ -370,6 +389,7 @@ public class TravelDbHelper {
} }
} }
private Collection<WikivoyageSearchResult> groupSearchResultsByCityId(List<WikivoyageSearchResult> res) { private Collection<WikivoyageSearchResult> groupSearchResultsByCityId(List<WikivoyageSearchResult> res) {
String baseLng = application.getLanguage(); String baseLng = application.getLanguage();
TLongObjectHashMap<WikivoyageSearchResult> wikivoyage = new TLongObjectHashMap<>(); TLongObjectHashMap<WikivoyageSearchResult> wikivoyage = new TLongObjectHashMap<>();
@ -599,6 +619,7 @@ public class TravelDbHelper {
String title; String title;
String lang; String lang;
int popIndex; int popIndex;
int order;
double lat; double lat;
double lon; double lon;
@ -613,7 +634,8 @@ public class TravelDbHelper {
res.lon = cursor.isNull(2) ? Double.NaN : cursor.getDouble(2); res.lon = cursor.isNull(2) ? Double.NaN : cursor.getDouble(2);
res.tripId = cursor.getLong(3); res.tripId = cursor.getLong(3);
res.lang = cursor.getString(4); res.lang = cursor.getString(4);
res.popIndex = cursor.isNull(5) ? 0 : cursor.getInt(5); res.order = cursor.isNull(5) ? -1 : cursor.getInt(5);
res.popIndex = cursor.isNull(6) ? 0 : cursor.getInt(6);
return res; return res;
} }
} }