/**
* If just one of the five heroes in the list is different from last time then we don't want to
* make the server get advantages data on all of them. This method returns an observable that just
* queries the server for advantages data on the new hero (the one at differencePos) and then
* updates the earlier advantages info with that new hero.
*
* @param oldAdvantagesData
* @param heroesInPhoto
* @param differencePos
* @param advantagesApi
* @return
*/
private static Observable<List<HeroAndAdvantages>> getSingleHeroChangedObservable(
final List<HeroAndAdvantages> oldAdvantagesData,
List<String> heroesInPhoto,
final int differencePos,
AdvantagesApi advantagesApi) {
final List<HeroAndAdvantages> advantagesData = SqlLoader.deepCopyOfHeroes(oldAdvantagesData);
// The single hero that has changed is blank, we can just set all the advantages to
// neutral and return that.
if (heroesInPhoto.get(differencePos).equals("")) {
for (HeroAndAdvantages hero : advantagesData) {
hero.setAdvantage(HeroAndAdvantages.NEUTRAL_ADVANTAGE, differencePos);
}
return Observable.just(advantagesData);
}
heroesInPhoto = prepareNamesForWebQuery(heroesInPhoto);
return advantagesApi
.getSingeAdvantage(heroesInPhoto.get(differencePos))
.map(
new Func1<AdvantageData, List<HeroAndAdvantages>>() {
@Override
public List<HeroAndAdvantages> call(AdvantageData newAdvantageData) {
return AdvantageData.mergeIntoAdvantagesList(
advantagesData, newAdvantageData, differencePos);
}
})
.timeout(SINGlE_QUERY_TIMEOUT, TimeUnit.MILLISECONDS);
}
/**
* If we only have one hero in the list of heroes then we don't need to ask the server to get full
* advantages data, we can just ask it to get advantages data for the one hero. This returns an
* observable which does that.
*
* @param advantagesApi
* @param singleHeroPos
* @param heroesInPhoto
* @return
*/
private static Observable<List<HeroAndAdvantages>> getSingleNewHeroObservable(
AdvantagesApi advantagesApi, final int singleHeroPos, List<String> heroesInPhoto) {
return advantagesApi
.getSingeAdvantage(heroesInPhoto.get(singleHeroPos))
.map(
new Func1<AdvantageData, List<HeroAndAdvantages>>() {
@Override
public List<HeroAndAdvantages> call(AdvantageData newAdvantageData) {
return AdvantageData.createAdvantagesListFromSingleAdvantage(
newAdvantageData, singleHeroPos);
}
})
.timeout(SINGlE_QUERY_TIMEOUT, TimeUnit.MILLISECONDS);
}
/**
* Returns an observable which queries the server to find advantages data on the five heroes
* listed in heroesInPhoto.
*
* @param advantagesApi
* @param heroesInPhoto
* @return
*/
private static Observable<List<HeroAndAdvantages>> getFullObservable(
AdvantagesApi advantagesApi, List<String> heroesInPhoto) {
heroesInPhoto = prepareNamesForWebQuery(heroesInPhoto);
return advantagesApi
.getAdvantages(
heroesInPhoto.get(0),
heroesInPhoto.get(1),
heroesInPhoto.get(2),
heroesInPhoto.get(3),
heroesInPhoto.get(4))
.map(
new Func1<AdvantageData, List<HeroAndAdvantages>>() {
@Override
public List<HeroAndAdvantages> call(AdvantageData advantageData) {
return AdvantageData.createFullAdvantagesList(advantageData);
}
})
.timeout(FULL_QUERY_TIMEOUT, TimeUnit.MILLISECONDS);
}
