Minimal changes to rework Favourite grabs

TODO: Reimpl goto, refresh pages
And take care of per page counts by user

app/src/main/java/com/hippo/ehviewer/client/data/FavListUrlBuilder.java

@@ -44,7 +44,7 @@ public class FavListUrlBuilder implements Parcelable {
         }
     };
     private static final String TAG = FavListUrlBuilder.class.getSimpleName();
-    private int mIndex;
+    private String mNext;
     private String mKeyword;
     private int mFavCat = FAV_CAT_ALL;
 
@@ -52,7 +52,7 @@ public class FavListUrlBuilder implements Parcelable {
     }
 
     protected FavListUrlBuilder(Parcel in) {
-        this.mIndex = in.readInt();
+        this.mNext = in.readString();
         this.mKeyword = in.readString();
         this.mFavCat = in.readInt();
     }
@@ -61,8 +61,8 @@ public class FavListUrlBuilder implements Parcelable {
         return favCat >= 0 && favCat <= 9;
     }
 
-    public void setIndex(int index) {
-        mIndex = index;
+    public void setNext(String next) {
+        mNext = next;
     }
 
     public String getKeyword() {
@@ -105,8 +105,8 @@ public class FavListUrlBuilder implements Parcelable {
                 Log.e(TAG, "Can't URLEncoder.encode " + mKeyword);
             }
         }
-        if (mIndex > 0) {
-            ub.addQuery("page", Integer.toString(mIndex));
+        if (mNext != null && !mNext.isEmpty()) {
+            ub.addQuery("next", mNext);
         }
         return ub.build();
     }
@@ -118,7 +118,7 @@ public class FavListUrlBuilder implements Parcelable {
 
     @Override
     public void writeToParcel(Parcel dest, int flags) {
-        dest.writeInt(this.mIndex);
+        dest.writeString(this.mNext);
         dest.writeString(this.mKeyword);
         dest.writeInt(this.mFavCat);
     }

app/src/main/java/com/hippo/ehviewer/client/data/ListUrlBuilder.java

@@ -88,6 +88,7 @@ public class ListUrlBuilder implements Cloneable, Parcelable {
     protected ListUrlBuilder(Parcel in) {
         this.mMode = in.readInt();
         this.mNextGid = in.readInt();
+        this.mPrevGid = in.readInt();
         this.mCategory = in.readInt();
         this.mKeyword = in.readString();
         this.mAdvanceSearch = in.readInt();

app/src/main/java/com/hippo/ehviewer/client/parser/FavoritesParser.java

@@ -31,8 +31,10 @@ import org.jsoup.nodes.Element;
 import org.jsoup.select.Elements;
 
 import java.util.List;
+import java.util.regex.Pattern;
 
 public class FavoritesParser {
+    private static final Pattern PATTERN_NEXT_PAGE = Pattern.compile("next=(\\d+-\\d+)");
 
     public static Result parse(String body) throws Exception {
         if (body.contains("This page requires you to log on.</p>")) {
@@ -59,10 +61,23 @@ public class FavoritesParser {
             e.printStackTrace();
             throw new ParseException("Parse favorites error", body);
         }
+        Result re = new Result();
+
+        try {
+            var d = Jsoup.parse(body);
+            var snv = d.getElementsByClass("searchnav").first();
+            assert snv != null;
+            var href = snv.child(3).child(0).attr("href");
+            var matcher = PATTERN_NEXT_PAGE.matcher(href);
+            if (matcher.find()) {
+                re.nextPage = matcher.group(1);
+            }
+        } catch (Throwable e) {
+            e.printStackTrace();
+        }
 
         GalleryListParser.Result result = GalleryListParser.parse(body);
 
-        Result re = new Result();
         re.catArray = catArray;
         re.countArray = countArray;
         re.galleryInfoList = result.galleryInfoList;
@@ -73,8 +88,7 @@ public class FavoritesParser {
     public static class Result {
         public String[] catArray; // Size 10
         public int[] countArray; // Size 10
-        public int pages;
-        public int nextPage;
+        public String nextPage;
         public List<GalleryInfo> galleryInfoList;
     }
 }

app/src/main/java/com/hippo/ehviewer/client/parser/GalleryListParser.java

@@ -51,7 +51,6 @@ public class GalleryListParser {
     private static final Pattern PATTERN_THUMB_SIZE = Pattern.compile("height:(\\d+)px;width:(\\d+)px");
     private static final Pattern PATTERN_FAVORITE_SLOT = Pattern.compile("background-color:rgba\\((\\d+),(\\d+),(\\d+),");
     private static final Pattern PATTERN_PAGES = Pattern.compile("(\\d+) page");
-    private static final Pattern PATTERN_NEXT_PAGE = Pattern.compile("page=(\\d+)");
 
     private static final Pattern PATTERN_GETINT = Pattern.compile("[^0-9]");
 

app/src/main/java/com/hippo/ehviewer/ui/CommonOperations.java

@@ -47,6 +47,10 @@ import java.util.Objects;
 
 public final class CommonOperations {
 
+    public static int getPagesForFounds(int founds, int per) {
+        return (int)Math.ceil((double) founds/per);
+    }
+
     private static void doAddToFavorites(Activity activity, GalleryInfo galleryInfo,
                                          int slot, EhClient.Callback<Void> listener) {
         if (slot == -1) {

app/src/main/java/com/hippo/ehviewer/ui/fragment/AdvancedFragment.java

@@ -312,7 +312,7 @@ public class AdvancedFragment extends BasePreferenceFragment {
         Activity activity = requireActivity();
         EhClient mClient = EhApplication.getEhClient(context);
         FavListUrlBuilder favListUrlBuilder = new FavListUrlBuilder();
-        favListUrlBuilder.setIndex(page.get());
+        // favListUrlBuilder.setNext(page.get());
 
         EhRequest request = new EhRequest();
         request.setMethod(EhClient.METHOD_GET_FAVORITES);
@@ -324,7 +324,7 @@ public class AdvancedFragment extends BasePreferenceFragment {
                     EhDB.putLocalFavorites(result1.galleryInfoList);
                     Log.d("LocalFavorites", "now backup page " + page.get());
                     if (!result1.galleryInfoList.isEmpty()) {
-                        favListUrlBuilder.setIndex(page.incrementAndGet());
+                        // favListUrlBuilder.setNext(page.incrementAndGet());
                         request.setArgs(favListUrlBuilder.build(), Settings.getShowJpnTitle());
                         mClient.execute(request);
                     } else {

app/src/main/java/com/hippo/ehviewer/ui/scene/FavoritesScene.java

@@ -850,7 +850,14 @@ public class FavoritesScene extends BaseScene implements
             }
 
             updateSearchBar();
-            mHelper.onGetPageData(taskId, result.pages, result.nextPage, result.galleryInfoList);
+            int pages = 0;
+            assert mUrlBuilder != null;
+            if (FavListUrlBuilder.isValidFavCat(mUrlBuilder.getFavCat()))
+                pages = CommonOperations.getPagesForFounds(mFavCountArray[mUrlBuilder.getFavCat()], 50);
+            else if (mUrlBuilder.getFavCat() == FavListUrlBuilder.FAV_CAT_ALL)
+                pages = CommonOperations.getPagesForFounds(mFavCountSum, 50);
+            mHelper.nextPg = result.nextPage;
+            mHelper.onGetPageData(taskId, pages, mHelper.pgCounter + 1, result.galleryInfoList);
 
             if (mDrawerAdapter != null) {
                 mDrawerAdapter.notifyDataSetChanged();
@@ -1169,6 +1176,8 @@ public class FavoritesScene extends BaseScene implements
     }
 
     private class FavoritesHelper extends GalleryInfoContentHelper {
+        public int pgCounter = 0;
+        public String nextPg = "";
 
         @Override
         protected void getPageData(final int taskId, int type, int page) {
@@ -1176,6 +1185,7 @@ public class FavoritesScene extends BaseScene implements
             if (null == activity || null == mUrlBuilder || null == mClient) {
                 return;
             }
+            pgCounter = page;
 
             if (mEnableModify) {
                 mEnableModify = false;
@@ -1215,7 +1225,7 @@ public class FavoritesScene extends BaseScene implements
                         url = mUrlBuilder.build();
                     }
 
-                    mUrlBuilder.setIndex(page);
+                    mUrlBuilder.setNext(nextPg);
                     EhRequest request = new EhRequest();
                     request.setMethod(EhClient.METHOD_MODIFY_FAVORITES);
                     request.setCallback(new GetFavoritesListener(getContext(),
@@ -1228,7 +1238,7 @@ public class FavoritesScene extends BaseScene implements
                 final String keyword = mUrlBuilder.getKeyword();
                 SimpleHandler.getInstance().post(() -> onGetFavoritesLocal(keyword, taskId));
             } else {
-                mUrlBuilder.setIndex(page);
+                mUrlBuilder.setNext(nextPg);
                 String url = mUrlBuilder.build();
                 EhRequest request = new EhRequest();
                 request.setMethod(EhClient.METHOD_GET_FAVORITES);

app/src/main/java/com/hippo/ehviewer/ui/scene/GalleryListScene.java

@@ -1374,7 +1374,7 @@ public final class GalleryListScene extends BaseScene
                     ? R.string.gallery_list_empty_hit_subscription
                     : R.string.gallery_list_empty_hit);
             mHelper.setEmptyString(emptyString);
-            mHelper.onGetPageData(taskId, result.founds / 25, mHelper.pgCounter + 1, result.galleryInfoList);
+            mHelper.onGetPageData(taskId, CommonOperations.getPagesForFounds(result.founds, 25), mHelper.pgCounter + 1, result.galleryInfoList);
         }
     }