/// <summary>
/// Returns the Pokemon's encounters in all version groups.
/// </summary>
private async Task <List <WithId <EncounterEntry[]> > > GetEncounters(Pokemon pokemon)
{
var encounterEntriesList = new List <WithId <EncounterEntry[]> >();
// enumerate version groups spanned by this Pokemon's encounters
// TODO: create encounters cache service
var encounters = await PokeApi.GetEncounters(pokemon);
var versions = await VersionService.UpsertMany(encounters.GetDistinctVersions());
var versionGroups = await VersionGroupsService.UpsertManyByVersionIds(versions.Select(v => v.VersionId));
foreach (var vg in versionGroups)
{
var relevantEncounters = encounters.Where(e => IsInVersionGroup(e, vg));
// create entries for relevant encounters
var encounterEntries = new List <EncounterEntry>();
foreach (var encounter in relevantEncounters)
{
var locationArea = await LocationAreasService.Upsert(encounter.LocationArea);
var displayNames = await GetDisplayNames(encounter);
// filter to relevant version details
var relevantVersionDetails = encounter.VersionDetails.Where(vd =>
{
var versionName = vd.Version.Name;
return(vg.Versions.Select(v => v.Name).Contains(versionName));
});
var chances = await GetChances(relevantVersionDetails);
var encounterDetails = await GetEncounterDetails(relevantVersionDetails);
var encounterEntry = new EncounterEntry
{
LocationAreaId = locationArea.LocationAreaId,
DisplayNames = displayNames.ToList(),
Details = encounterDetails.ToList()
};
encounterEntries.Add(encounterEntry);
}
// add encounter entries to list indexed by version group ID
var entryList = new WithId <EncounterEntry[]>(vg.VersionGroupId, encounterEntries.ToArray());
encounterEntriesList.Add(entryList);
}
return(encounterEntriesList);
}
