public async Task UpdateCitiesAsync(IEnumerable <City> cities)
{
var collection = _databaseFactory.GetCitiesCollection();
foreach (var city in cities)
{
var existCity = await collection.FindAsync(c => c.Name == city.Name);
if (await existCity.AnyAsync())
{
continue;
}
await collection.InsertOneAsync(city);
}
}
public async Task <IEnumerable <City> > GetCitiesAsync()
{
var collection = _databaseFactory.GetCitiesCollection();
return(await collection.Find(_ => true).ToListAsync());
}
