public async Task<IHttpActionResult> Put([FromODataUri] string key, Activity model)//[FromODataUri] string key,
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
if (key != model.Id)
{
return BadRequest();
}
var category = await db.Activities.FindAsync(model.Id);
if (category == null)
{
return NotFound();
}
category.Modify(model, db);
//db.Entry(category).State = EntityState.Modified;
try
{
await db.SaveChangesAsync();
}
catch (Exception ex)
{
return BadRequest(ex.Message);
}
return Updated(model);
}
public async Task<IHttpActionResult> Post(Activity model)
{
if (!ModelState.IsValid)
{
return BadRequest(ModelState);
}
try
{
model.Create(db);
db.Activities.Add(model);
await db.SaveChangesAsync();
return Ok(model);
}
catch (Exception ex)
{
ModelState.AddModelError("PostError", ex.Message);
return BadRequest(ModelState);
}
}
public void Modify(Activity model, ApplicationDbContext db)
{
base.Modify(model, db);
CoverUrl = model.CoverUrl;
BeginTime = model.BeginTime;
EndTime = model.EndTime;
Count = model.Count;
model.Awards = model.Awards ?? new List<Award>();
var add = model.Awards.Where(o1 => !Awards.Any(o2 => o1.Id == o2.Id)).ToList();
var remove = Awards.Where(o1 => !model.Awards.Any(o2 => o1.Id == o2.Id)).ToList();
foreach (var item in add)
{
db.Entry(item).State = EntityState.Unchanged;
Awards.Add(item);
}
foreach (var item in remove)
{
Awards.Remove(item);
}
}