public static TranslatedSearchResult <CatalogItemUnion> MergeSearchResults
(
TranslatedSearchResult <ICard> cardResult,
TranslatedSearchResult <LorKeyword> keywordResult,
TranslatedSearchResult <Deck> deckResult,
IItemMatchSorter <CatalogItemUnion> sorter
)
{
var matches = new List <ItemMatch <CatalogItemUnion> >();
var map = new Dictionary <CatalogItemUnion, CatalogItemUnion>();
foreach (var m in cardResult.Matches)
{
matches.Add(GetMatch(m, CatalogItemUnion.AsCard(m.Item)));
if (cardResult.TranslationMap.TryGetValue(m.Item, out ICard? tItem))
{
map.Add(CatalogItemUnion.AsCard(m.Item), CatalogItemUnion.AsCard(tItem));
}
}
foreach (var m in keywordResult.Matches)
{
matches.Add(GetMatch(m, m.Item));
if (keywordResult.TranslationMap.TryGetValue(m.Item, out LorKeyword? tItem))
{
map.Add(m.Item, tItem);
}
}
foreach (var m in deckResult.Matches)
{
matches.Add(GetMatch(m, m.Item));
if (deckResult.TranslationMap.TryGetValue(m.Item, out Deck? tItem))
{
map.Add(m.Item, tItem);
}
}
if (matches.Count == 0)
{
return(FromBaseResult(matches, map, cardResult));
}
if (sorter.ShouldSortMatches(matches))
{
matches.Sort(sorter.Compare);
}
// Use fields from whichever type provided the best match
return(matches[0].Item.T switch
{
CatalogItemUnion.Type.Card => FromBaseResult(matches, map, cardResult),
CatalogItemUnion.Type.Keyword => FromBaseResult(matches, map, keywordResult),
CatalogItemUnion.Type.Deck => FromBaseResult(matches, map, deckResult),
_ => FromBaseResult(matches, map, cardResult),
});
private static TranslatedSearchResult <CatalogItemUnion> FromBaseResult <TItem>(
IReadOnlyList <ItemMatch <CatalogItemUnion> > matches,
IReadOnlyDictionary <CatalogItemUnion, CatalogItemUnion> translationMap,
TranslatedSearchResult <TItem> baseResult)
where TItem : class
{
var result = new SearchResult <CatalogItemUnion>(
baseResult.SearchTerm,
baseResult.SearchLocale,
baseResult.SearchVersion,
matches);
return(new TranslatedSearchResult <CatalogItemUnion>(
result,
baseResult.TranslationLocale,
translationMap));
}