/// <summary>
/// Updates an announcement using details in the given model
/// </summary>
/// <param name="uam">Model containing details of the announcement to update</param>
public async Task UpdateAnnouncement(UpdateAnnouncementModel uam)
{
var announcement = await _db.Announcements.FindAsync(uam.Id);
if(announcement == null)
{
throw new Exception("No announcement with id: " + uam.Id);
}
announcement.Title = uam.Title;
announcement.Description = uam.Description;
_db.Entry(announcement).State = EntityState.Modified;
try
{
await _db.SaveChangesAsync();
}
catch(DbUpdateConcurrencyException)
{
// Deleted before update maybe?
if(!AnnouncementExists(announcement.Id))
{
throw new Exception("No announcement with id: " + uam.Id);
}
}
}
public async Task<IHttpActionResult> PutAnnouncement(UpdateAnnouncementModel uam)
{
if(!ModelState.IsValid)
{
return BadRequest(ModelState);
}
try
{
await _announcementManager.UpdateAnnouncement(uam);
}
catch(Exception ex)
{
throw new HttpResponseException(Request.CreateErrorResponse(HttpStatusCode.NotFound, ex.Message));
}
return StatusCode(HttpStatusCode.NoContent);
}
