public async Task <IActionResult> Upload(
[FromBody] DailyStats stats
)
{
if (!ModelState.IsValid)
{
Logger.LogError("Failed to parse input data: {0}", ModelState);
return(BadRequest(ModelState));
}
Logger.LogInformation("Receiving daily stats from device {0} for {1}", stats.InstallationId, stats.Date.ToString("d", CultureInfo.InvariantCulture));
// Safety checks
if (stats.Date < MinDate)
{
Logger.LogError("Daily statistics for unacceptable date {0}", stats.Date);
return(UnprocessableEntity(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "Unacceptable date (out of valid range)",
type: "https://arianna.digit.srl/api/problems/invalid-date"
)));
}
if (stats.TotalMinutesTracked > MinutesADay)
{
Logger.LogError("Total minutes tracked ({0}) exceeds minutes in a day", stats.TotalMinutesTracked);
return(UnprocessableEntity(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "Total minutes tracked exceeds minutes in a day",
type: "https://arianna.digit.srl/api/problems/invalid-data"
)));
}
if (stats.Date >= DateTime.UtcNow.Date)
{
Logger.LogError("Daily statistics for non-elapsed day {0}", stats.Date.Date);
return(UnprocessableEntity(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "Unacceptable date (future date)",
type: "https://arianna.digit.srl/api/problems/invalid-date"
)));
}
GeoJsonPoint <GeoJson2DGeographicCoordinates> position;
string geohash;
try {
geohash = stats.CentroidHash.Substring(0, 5);
var decoded = Geohasher.Decode(geohash);
position = new GeoJsonPoint <GeoJson2DGeographicCoordinates>(new GeoJson2DGeographicCoordinates(decoded.Item2, decoded.Item1));
Logger.LogInformation("GeoHash {0} decoded as {1:F5},{2:F5}", geohash, position.Coordinates.Latitude, position.Coordinates.Longitude);
}
catch (Exception ex) {
return(UnprocessableEntity(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "Cannot decode geohash",
type: "https://arianna.digit.srl/api/problems/invalid-data",
detail: ex.Message
)));
}
if (stats.LocationTracking == null)
{
Logger.LogError("Payload does not contain location tracking section");
return(UnprocessableEntity(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "Payload does not contain location tracking section",
type: "https://arianna.digit.srl/api/problems/invalid-data"
)));
}
if (stats.LocationTracking.MinutesAtHome < 0 ||
stats.LocationTracking.MinutesAtWork < 0 ||
stats.LocationTracking.MinutesAtSchool < 0 ||
stats.LocationTracking.MinutesAtOtherKnownLocations < 0 ||
stats.LocationTracking.MinutesElsewhere < 0)
{
Logger.LogError("Location tracking minutes cannot be negative");
return(UnprocessableEntity(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "Negative location tracking value",
type: "https://arianna.digit.srl/api/problems/invalid-data"
)));
}
if (stats.LocationTracking.MinutesAtHome > MinutesADay ||
stats.LocationTracking.MinutesAtWork > MinutesADay ||
stats.LocationTracking.MinutesAtSchool > MinutesADay ||
stats.LocationTracking.MinutesAtOtherKnownLocations > MinutesADay ||
stats.LocationTracking.MinutesElsewhere > MinutesADay)
{
Logger.LogError("One entry in the location tracking section exceeds minutes in a day");
return(UnprocessableEntity(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "One entry in the location tracking section exceeds minutes in a day",
type: "https://arianna.digit.srl/api/problems/invalid-data"
)));
}
// Check for duplicates
var existingStats = await Mongo.GetDailyStats(stats.InstallationId, stats.Date);
if (existingStats != null)
{
Logger.LogError("Duplicate statistics from device ID {0} for date {1}", stats.InstallationId, stats.Date.ToString("d", CultureInfo.InvariantCulture));
return(Conflict(ProblemDetailsFactory.CreateProblemDetails(HttpContext,
title: "Duplicate statistics for date",
type: "https://arianna.digit.srl/api/problems/duplicate"
)));
}
// Compute voucher amounts
int stayAtHomeBonus = 0;
int womCount = (int)Math.Ceiling(stats.TotalMinutesTracked / 60.0) + stayAtHomeBonus;
Logger.LogInformation("Generating {0} WOM vouchers for {1} total minutes and {2} minutes at home ({3} stay at home bonus)",
womCount, stats.TotalMinutesTracked, stats.LocationTracking.MinutesAtHome, stayAtHomeBonus);
var voucherRequest = await Wom.Instrument.RequestVouchers(new VoucherCreatePayload.VoucherInfo[] {
new VoucherCreatePayload.VoucherInfo {
Aim = "P",
Count = womCount,
Latitude = position.Coordinates.Latitude,
Longitude = position.Coordinates.Longitude,
Timestamp = stats.Date.Date.AddHours(23.999)
}
});
// OK-dokey
await Mongo.AddDailyStats(new DataModels.DailyStats {
InstallationId = stats.InstallationId,
Date = stats.Date.Date,
TotalMinutesTracked = stats.TotalMinutesTracked,
TotalWomVouchersEarned = womCount,
Centroid = position,
CentroidHash = geohash,
LocationCount = stats.LocationCount,
VehicleCount = stats.VehicleCount,
EventCount = stats.EventCount,
SampleCount = stats.SampleCount,
DiscardedSampleCount = stats.DiscardedSampleCount,
BoundingBoxDiagonal = stats.BoundingBoxDiagonal,
LocationTracking = new DataModels.LocationTrackingStats {
MinutesAtHome = stats.LocationTracking.MinutesAtHome,
MinutesAtWork = stats.LocationTracking.MinutesAtWork,
MinutesAtSchool = stats.LocationTracking.MinutesAtSchool,
MinutesAtOtherKnownLocations = stats.LocationTracking.MinutesAtOtherKnownLocations,
MinutesElsewhere = stats.LocationTracking.MinutesElsewhere
}
});
return(Ok(new UploadConfirmation {
WomLink = voucherRequest.Link,
WomPassword = voucherRequest.Password,
WomCount = womCount
}));
}