public async Task <MatchDeliveryDemandResult> MatchDeliveryDemand(MatchDeliveryDemandRequest request)
{
var getDeliveryDemandsRequest = new GetDeliveryDemandsRequest
{
Status = "Pending"
};
var getDeliveryDemandsResult = await _transactionStore.GetDeliveryDemands(getDeliveryDemandsRequest);
var deliveryDemands = getDeliveryDemandsResult.DeliveryDemands;
var matchDeliveryDemandResult = await _matchingService.MatchUserToDeliveryDemand(deliveryDemands, request);
return(matchDeliveryDemandResult);
}
public async Task <MatchDeliveryDemandResult> MatchDeliveryDemand(MatchDeliveryDemandRequest matchDeliveryDemandRequest)
{
string json = JsonConvert.SerializeObject(matchDeliveryDemandRequest);
HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "api/transactions/delivery-demands/match")
{
Content = new StringContent(json, Encoding.UTF8, "application/json")
};
HttpResponseMessage responseMessage = await _httpClient.SendAsync(request);
await EnsureSuccessOrThrowAsync(responseMessage);
string recievedJson = await responseMessage.Content.ReadAsStringAsync();
var matchDeliveryDemandResult = JsonConvert.DeserializeObject <MatchDeliveryDemandResult>(recievedJson);
return(matchDeliveryDemandResult);
}
private async void DeliveryInfoPanel_FindDeliveryDemandMatch_Click(object sender, EventArgs e)
{
var timeWindowStart = ToUnixTime(DeliveryInfoPanel_DatePicker.Value, DeliveryInfoPanel_TimePicker1.Value);
var timeWindowEnd = ToUnixTime(DeliveryInfoPanel_DatePicker.Value, DeliveryInfoPanel_TimePicker2.Value);
var location = new Location
{
Longitude = Convert.ToDouble(DeliveryInfoPanel_Longitude.Text),
Latitude = Convert.ToDouble(DeliveryInfoPanel_Latitude.Text)
};
var matchDeliveryDemandRequest = new MatchDeliveryDemandRequest
{
TimeWindowStart = timeWindowStart,
TimeWindowEnd = timeWindowEnd,
DelivererLocation = location,
TransportationType = transportationType[DeliveryInfoPanel_TransportationType.Text]
};
var matchDeliveryDemandResult = await client.MatchDeliveryDemand(matchDeliveryDemandRequest);
matchedDeliveryDemand = matchDeliveryDemandResult.DeliveryDemand;
ETA = matchDeliveryDemandResult.ETA;
Navigate(DeliveryDemandMatchPanel);
}
public async Task <IActionResult> MatchDeliveryDemand([FromBody] MatchDeliveryDemandRequest request)
{
var matchDeliveryDemandResult = await _transactionService.MatchDeliveryDemand(request);
return(Ok(matchDeliveryDemandResult));
}
public async Task <MatchDeliveryDemandResult> MatchUserToDeliveryDemand(List <DeliveryDemand> deliveryDemandsRaw, MatchDeliveryDemandRequest request)
{
var deliveryDemands = new List <DeliveryDemand>();
// We filter out all active delivery demands that cannot fit in this time range (i.e mutually exclusive time windows)
foreach (var deliveryDemand in deliveryDemandsRaw)
{
if (!(deliveryDemand.TimeWindowEnd < request.TimeWindowStart || request.TimeWindowEnd < deliveryDemand.TimeWindowStart))
{
deliveryDemands.Add(deliveryDemand);
}
}
//we get the estimated duration time that it would take for the deliverer to complete each delivery demand,
//and make sure that the delivery demand's eta is compatible with both the deliverer and the donor's time windows
var deliveryDemandsETA = new List <(double, DeliveryDemand)>();
foreach (var deliveryDemand in deliveryDemands)
{
var eta = await _routingService.GetETA(request.DelivererLocation, deliveryDemand.PickupLocation, deliveryDemand.DestinationLocation, request.TransportationType);
if (request.TimeWindowStart + eta < request.TimeWindowEnd &&
request.TimeWindowStart + eta > deliveryDemand.TimeWindowStart &&
request.TimeWindowStart + eta < deliveryDemand.TimeWindowEnd)
{
deliveryDemandsETA.Add((eta, deliveryDemand));
}
}
if (deliveryDemandsETA.Count == 0)
{
return(null);
}
//Sort the delivery demands from least to most time consuming to deliverer
deliveryDemandsETA.Sort((x, y) => y.Item1.CompareTo(x.Item1));
return(new MatchDeliveryDemandResult
{
DeliveryDemand = deliveryDemandsETA[0].Item2,
ETA = deliveryDemandsETA[0].Item1
});
}