public async Task SaveFigureAsync(Guid id, double area)
{
using (var db = new FigureContext())
{
db.Add(new db.Figure()
{
Id = id,
Area = area
});
await db.SaveChangesAsync();
}
}
public async Task <Double> GetAreaAsync(Guid id)
{
using (var db = new FigureContext())
{
var figure = await db.Figures.FindAsync(id);
if (figure == null)
{
throw new BusinessLogicException($"Figure {id} not found");
}
return(figure.Area);
}
}
public bl.Figure Load(Guid id)
{
using (var db = new FigureContext())
{
var figure = db.Figures.Find(id);
if (figure == null)
{
return(null);
}
return(JsonConvert.DeserializeObject <bl.Figure>(figure.Data, new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.All
}));
}
}
public void Save(bl.Figure figure)
{
using (var db = new FigureContext())
{
db.Add(new db.Figure()
{
Id = figure.Id,
Data = JsonConvert.SerializeObject(figure, new JsonSerializerSettings {
TypeNameHandling = TypeNameHandling.All
})
});
db.SaveChanges();
}
}