public IEnumerable <Flight> SearchAvaibleFlights(SearchFlightsViewModel filters)
{
var jsonFilters = new FiltersJsonObject();
IEnumerable <Flight> result =
this._apiConn.SearchFlights(filters, jsonFilters).ToImmutableList();
return(result);
}
// This method creates the json string with the query data.
// It receives the filters to search from the view-model and put the data into
// FiltersJsonObject. This last object is serialized as a Json string.
private string PrepareJson(SearchFlightsViewModel filters, FiltersJsonObject queryApiJson)
{
queryApiJson.Destination = filters.Destination;
queryApiJson.Origin = filters.Origin;
queryApiJson.From = filters.From.ToString("yyyy-MM-dd");
string jsonFilters = JsonConvert.SerializeObject(queryApiJson);
return(jsonFilters);
}
// This is the principal method. It uses the two previous methods for search avaible flights in the api,
// and if it finds return a list of flights, but if it doesn´t find any flight it throws a exception.
public List <Flight> SearchFlights(SearchFlightsViewModel filters,
FiltersJsonObject queryApiJson)
{
var jsonFilters = PrepareJson(filters, queryApiJson);
dynamic result = this._apiConn.Post(this.ApiUrl, jsonFilters);
List <Flight> flights = null;
if (result != null)
{
flights = GetFlights(result);
bool isEmptyList = flights[0] == null;
if (!isEmptyList)
{
return(flights);
}
else
{
flights = null;
}
}
return(flights);
}
