public async Task<IHttpActionResult> UpVote(string id)
{
var context = new FoodSignalingContext();
var marker = await context.Markers.FindOneAndUpdateAsync(
Builders<Marker>.Filter.Eq(p => p.Id, id),
Builders<Marker>.Update.Inc(p => p.Votes, 1));
return Json(new { Votes = marker.Votes + 1 });
}
public async Task<IHttpActionResult> Get(int weekday, double lng = 0, double lat = 0, double radius = 0)
{
var context = new FoodSignalingContext();
FilterDefinition<Marker> filter = null;
if (weekday >= 0)
filter = Builders<Marker>.Filter.Eq("WeekDays", weekday);
else
filter = new BsonDocument();
if (lat != 0 && lng != 0 && radius > 0)
filter &= Builders<Marker>.Filter.Near(p => p.Location, GeoJson.Point(GeoJson.Geographic(lng, lat)), radius);
var markers = await context.Markers.Find(filter).Limit(100).ToListAsync();
var result = new List<MarkerDto>();
foreach (var marker in markers)
{
result.Add(new MarkerDto() //could use a mapper to do this
{
Id = marker.Id,
Lat = marker.Location.Coordinates.Latitude,
Lng = marker.Location.Coordinates.Longitude,
Organization = marker.Organization,
TimeHour = marker.Hour,
TimeMinute = marker.Minute,
WeekDays = marker.WeekDays,
Votes = marker.Votes,
Links = new List<Link> {
new Link { rel = "upvote", href = string.Format("/api/marker/{0}/upvote", marker.Id) },
new Link { rel = "downvote", href = string.Format("/api/marker/{0}/downvote", marker.Id) }
}
});
}
return Json(result);
}
public async Task<IHttpActionResult> Post(MarkerDto markerDto)
{
if (!ModelState.IsValid)
return Json(new { Error = "Please input all fields" });
var context = new FoodSignalingContext(); //could use dependency injection here
var marker = new Marker()
{
Organization = markerDto.Organization,
Hour = markerDto.TimeHour,
Minute = markerDto.TimeMinute,
WeekDays = markerDto.WeekDays,
Location = new GeoJsonPoint<GeoJson2DGeographicCoordinates>(
new GeoJson2DGeographicCoordinates(markerDto.Lng, markerDto.Lat))
};
await context.Markers.InsertOneAsync(marker);
markerDto.Id = marker.Id;
return Json(markerDto);
}
public async Task<IHttpActionResult> DownVote(string id)
{
var context = new FoodSignalingContext();
var marker = await context.Markers.FindOneAndUpdateAsync(
Builders<Marker>.Filter.And(Builders<Marker>.Filter.Eq(p => p.Id, id), Builders<Marker>.Filter.Gt(p => p.Votes, 0)),
Builders<Marker>.Update.Inc(p => p.Votes, -1));
int votes = 0;
if (marker != null)
votes = marker.Votes - 1;
return Json(new { Votes = votes });
}
