public async Task<IHttpActionResult> PutNation(int id, Nation nation)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (id != nation.NationID)
{
return BadRequest();
}
Group currentGroup = (nation.GroupID == nation.Group.GroupID) ? nation.Group : db.Groups.Find(nation.GroupID);
nation.Group = currentGroup;
db.Entry(nation).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!NationExists(id))
{
return NotFound();
}
else
{
throw;
}
}
return StatusCode(HttpStatusCode.NoContent);
}
public async Task<IHttpActionResult> PostNation(Nation nation)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
var isExistNation=db.Nations.Where(n => n.Name == nation.Name).FirstOrDefault();
if (isExistNation == null)
{
db.Nations.Add(nation);
await db.SaveChangesAsync();
}
else
{
}
return CreatedAtRoute("DefaultApi", new { id = nation.NationID }, nation);
}