public async Task <IHttpActionResult> PostAllergens(AllergensDTO allergensDTO)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var addedRecipies = allergensDTO.Recipes.Select(i => db.Recipes.Find(i)).ToList();
if (addedRecipies.Contains(null))
{
return(NotFound());
}
Allergens allergens = new Allergens()
{
Name = allergensDTO.Name,
Recipes = addedRecipies
};
db.Allergens.Add(allergens);
await db.SaveChangesAsync();
var x = CreatedAtRoute("DefaultApi", new { id = allergens.ID }, allergens);
allergensDTO.ID = allergens.ID;
return(Ok(allergensDTO));
}
public async Task <IHttpActionResult> PutAllergens(int id, AllergensDTO allergensDTO)
{
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
if (id != allergensDTO.ID)
{
return(BadRequest());
}
var compare = allergensDTO.Recipes.Select(i => db.Recipes.Find(i)).ToList();
var allergens = db.Allergens.Where(a => a.ID == id).First();
allergens.Name = allergensDTO.Name;
var deleted = allergens.Recipes.AsQueryable().Except(compare.AsQueryable()).ToList();
var added = compare.AsQueryable().Except(allergens.Recipes.AsQueryable()).ToList();
deleted.ForEach(d => allergens.Recipes.Remove(d));
foreach (Recipes r in added)
{
if (r == null)
{
NotFound();
}
if (db.Entry(r).State == EntityState.Detached)
{
db.Recipes.Attach(r);
}
allergens.Recipes.Add(r);
}
try
{
await db.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!AllergensExists(id))
{
return(NotFound());
}
else
{
throw;
}
}
return(StatusCode(HttpStatusCode.NoContent));
}
public async Task <IHttpActionResult> GetAllergens(int id)
{
AllergensDTO result = await(from r in db.Allergens
where r.ID == id
select new AllergensDTO()
{
ID = r.ID,
Name = r.Name,
Recipes = (from s in r.Recipes select s.Id).AsEnumerable().ToList()
}).FirstAsync();
if (result == null)
{
return(NotFound());
}
return(Ok(result));
}
public async Task <IHttpActionResult> DeleteAllergens(int id)
{
Allergens allergens = await db.Allergens.FindAsync(id);
if (allergens == null)
{
return(NotFound());
}
AllergensDTO result = (new AllergensDTO()
{
ID = allergens.ID,
Name = allergens.Name,
Recipes = (from s in allergens.Recipes select s.Id).AsEnumerable().ToList()
});
db.Allergens.Remove(allergens);
await db.SaveChangesAsync();
return(Ok(result));
}
