public async Task<IHttpActionResult> PutTopic(int id, Topic topic)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != topic.TopicId)
{
return BadRequest();
}
db.Entry(topic).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!TopicExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
public async Task<IHttpActionResult> PostTopic(Topic topic)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
db.Topics.Add(topic);
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateException)
{
if (TopicExists(topic.TopicId))
{
return Conflict();
}
else
{
throw;
}
}
return CreatedAtRoute("DefaultApi", new { id = topic.TopicId }, topic);
}