/*
 * Copyright (c) 2004-2019, University of Oslo
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation
 * and/or other materials provided with the distribution.
 * Neither the name of the HISP project nor the names of its contributors may
 * be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.hisp.dhis.android.core.category;

import android.support.annotation.NonNull;

import org.hisp.dhis.android.core.arch.handlers.IdentifiableSyncHandlerImpl;
import org.hisp.dhis.android.core.arch.handlers.LinkSyncHandler;
import org.hisp.dhis.android.core.arch.handlers.SyncHandlerWithTransformer;
import org.hisp.dhis.android.core.common.HandleAction;
import org.hisp.dhis.android.core.common.IdentifiableObjectStore;
import org.hisp.dhis.android.core.common.OrphanCleaner;

import java.util.ArrayList;
import java.util.List;

import javax.inject.Inject;

import dagger.Reusable;

@Reusable
final class CategoryComboHandler extends IdentifiableSyncHandlerImpl<CategoryCombo> {

    private final SyncHandlerWithTransformer<CategoryOptionCombo> optionComboHandler;
    private final LinkSyncHandler<CategoryCategoryComboLink>categoryCategoryComboLinkHandler;
    private final OrphanCleaner<CategoryCombo, CategoryOptionCombo> categoryOptionCleaner;

    @Inject
    CategoryComboHandler(
            @NonNull IdentifiableObjectStore<CategoryCombo> store,
            @NonNull SyncHandlerWithTransformer<CategoryOptionCombo> optionComboHandler,
            @NonNull LinkSyncHandler<CategoryCategoryComboLink> categoryCategoryComboLinkHandler,
            OrphanCleaner<CategoryCombo, CategoryOptionCombo> categoryOptionCleaner) {
        super(store);
        this.optionComboHandler = optionComboHandler;
        this.categoryCategoryComboLinkHandler = categoryCategoryComboLinkHandler;
        this.categoryOptionCleaner = categoryOptionCleaner;
    }

    @Override
    protected void afterObjectHandled(final CategoryCombo combo, HandleAction action) {
        optionComboHandler.handleMany(combo.categoryOptionCombos(),
                optionCombo -> optionCombo.toBuilder().categoryCombo(combo).build());

        if (combo.categories() != null) {
            List<CategoryCategoryComboLink> categoryCategoryComboLinks = new ArrayList<>();
            for (Category category : combo.categories()) {
                categoryCategoryComboLinks.add(CategoryCategoryComboLink.builder()
                        .categoryCombo(combo.uid()).category(category.uid()).build());
            }
            categoryCategoryComboLinkHandler.handleMany(combo.uid(), categoryCategoryComboLinks);
        }

        if (action == HandleAction.Update) {
            categoryOptionCleaner.deleteOrphan(combo, combo.categoryOptionCombos());
        }
    }
}
@@ -3528,50 +3528,61 @@
 or (
-Category category : combo.categories()) %7B%0A
+int i = 0; i %3C combo.categories().size(); i++) %7B%0A    
     
@@ -3726,22 +3726,85 @@
 ry(c
-ategory.uid())
+ombo.categories().get(i).uid()).sortOrder(i + 1)%0A                            
 .bui

Add sortOrder