public async Task<IHttpActionResult> PutTodo(long id, Todo todo)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
Todo existing = await Todos.FirstOrDefaultAsync(x => x.Id == id);
if (existing == null)
{
return NotFound();
}
existing.Name = todo.Name;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!TodoExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
public async Task<IHttpActionResult> ClearCompleted()
{
var completedTodoIds = await Todos.Where(x => x.State == TodoState.Completed).Select(x => x.Id).ToArrayAsync();
foreach (var id in completedTodoIds)
{
var todo = new Todo { Id = id };
db.Entry(todo).State = EntityState.Deleted;
}
await db.SaveChangesAsync();
return Ok(completedTodoIds);
}
public async Task<IHttpActionResult> ResetDemo()
{
var idsToDelete = await Todos.Select(x => x.Id).ToArrayAsync();
foreach (var id in idsToDelete)
{
var todo = new Todo { Id = id };
db.Entry(todo).State = EntityState.Deleted;
}
db.Todos.AddRange(new[] {
new Todo { Name = "Dryclean cape" },
new Todo { Name = "Clean cave" },
new Todo { Name = "Save Gotham" },
});
await db.SaveChangesAsync();
return Ok();
}
public async Task<IHttpActionResult> PostTodo(Todo todo)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Todos.Add(todo);
await db.SaveChangesAsync();
return CreatedAtRoute("GetTodo", new { id = todo.Id }, todo);
}
