public async Task PostAsync(TodoDbContext db, HttpContext context)
{
var todo = await context.Request.ReadJsonAsync <TodoItem>(_options);
if (await db.TodoItems.ContainsAsync(todo))
{
db.TodoItems.Update(todo);
}
else
{
await db.TodoItems.AddAsync(todo);
}
await db.SaveChangesAsync();
}
public async Task PutAsync(TodoDbContext db, HttpContext context)
{
if (!context.Request.RouteValues.TryGet("id", out int id))
{
context.Response.StatusCode = 400;
return;
}
var todo = await context.Request.ReadJsonAsync <TodoItem>(_options);
todo.Id = id;
db.TodoItems.Update(todo);
await db.SaveChangesAsync();
}
public async Task DeleteAsync(TodoDbContext db, HttpContext context)
{
if (!context.Request.RouteValues.TryGet("id", out int id))
{
context.Response.StatusCode = 400;
return;
}
var todo = await db.TodoItems.FindAsync(id);
if (todo == null)
{
context.Response.StatusCode = 404;
return;
}
db.TodoItems.Remove(todo);
await db.SaveChangesAsync();
}