public bool UpdateCategory(CategoryItem_Create_Edit model)
{
using (var ctx = new ApplicationDbContext())
{
//same as GetNoteById method
var entity =
ctx
.Categories
//checks if the id of the model we put in matches an existing category id from the list of categories in DbContext
.Single(e => e.Id == model.Id && e.OwnerId == _userId);
//sets the category's values to the new model's values
entity.Name = model.Name;
//returns a true/false value of whether we saved or not
return(ctx.SaveChanges() == 1);
}
}
public bool CreateCategory(CategoryItem_Create_Edit model)
{
var entity = new Category()
{
//use the categoryService to create a guid to set our id equal to
OwnerId = _userId,
Name = model.Name,
};
//created an instance of the DbContext, added our newly created category, entity, and saved changes.
using (var ctx = new ApplicationDbContext())
{
ctx.Categories.Add(entity);
return(ctx.SaveChanges() == 1);
}
}
public IHttpActionResult Put(CategoryItem_Create_Edit note)
{
//if the user inputted model is not valid
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var service = CreateCategoryService();
//if the DbContext did not save the changes we made for some reason
if (!service.UpdateCategory(note))
{
return(InternalServerError());
}
//good :)
return(Ok());
}
public IHttpActionResult Post(CategoryItem_Create_Edit category)
{
//returns a bad request if you send the wrong kind of model
if (!ModelState.IsValid)
{
return(BadRequest(ModelState));
}
var service = CreateCategoryService();
//returns an internal server error if a note cannot be created from the valid model
if (!service.CreateCategory(category))
{
return(InternalServerError());
}
//a note was created from the valid model
return(Ok());
}