public IHttpActionResult EditCategory([FromUri] string id, [FromBody] AddOrChangeCategoryModelBinder model)
{
Guid categoryId = new Guid(id);
var exisitngCategory = this.context.Categories
.FirstOrDefault(c => c.Id == categoryId);
if (exisitngCategory == null)
{
return(this.BadRequest("No such category!"));
}
if (!this.ModelState.IsValid)
{
return(this.BadRequest(this.ModelState));
}
var duplicateCategory = this.context.Categories
.FirstOrDefault(c => c.Name == model.Name);
if (duplicateCategory != null)
{
return(this.BadRequest("Duplicate category name!"));
}
exisitngCategory.Name = model.Name;
this.context.Categories.AddOrUpdate(exisitngCategory);
this.context.SaveChanges();
return(this.Ok(exisitngCategory));
}
public IHttpActionResult PostCategory(AddOrChangeCategoryModelBinder model)
{
var exisitngCategory = this.context.Categories
.FirstOrDefault(c => c.Name == model.Name);
if (exisitngCategory != null)
{
return(this.BadRequest("Duplicate category name!"));
}
if (!this.ModelState.IsValid)
{
return(this.BadRequest(this.ModelState));
}
var newCategory = new Category {
Name = model.Name
};
this.context.Categories.Add(newCategory);
this.context.SaveChanges();
return(this.Ok(newCategory));
}
