EnVisageOnline/Main/Source/EnVisage/Code/BLL/NonProjectTimeCategoryManager.cs

using System;
using System.Data.Entity;
using System.Linq;
using EnVisage.Models;

namespace EnVisage.Code.BLL
{
    public class NonProjectTimeCategoryManager : ManagerBase<NonProjectTimeCategory, NonProjectTimeCategoryEditModel>
    {
        public NonProjectTimeCategoryManager(EnVisageEntities dbContext)
            : base(dbContext)
        {
        }

        protected override NonProjectTimeCategory InitInstance()
        {
            return new NonProjectTimeCategory { Id = Guid.NewGuid() };
        }

        protected override NonProjectTimeCategory RetrieveReadOnlyById(Guid key)
        {
            return DataTable.AsNoTracking().FirstOrDefault(t => t.Id == key);
        }
        public NonProjectTimeCategory RetrieveReadOnlyByName(string name)
        {
            return DataTable.AsNoTracking().FirstOrDefault(t => t.Name == name);
        }
        public void Reallocate(NonProjectTimeCategoryReallocateModel model)
        {
            var categories = DbContext.NonProjectTimes.Where(x => x.NonProjectTimeCategoryId == model.Id).AsNoTracking();
            foreach (var category in categories)
            {
                category.NonProjectTimeCategoryId = model.CategoryId;
                DbContext.Entry(category).State = EntityState.Modified;
            }
            var categoryToDelete = DbContext.NonProjectTimeCategories.FirstOrDefault(x => x.Id == model.Id);
            DbContext.Entry(categoryToDelete).State = EntityState.Deleted;
            DbContext.SaveChanges();
        }

        public override DbSet<NonProjectTimeCategory> DataTable
        {
            get
            {
                return DbContext.NonProjectTimeCategories;
            }
        }

        public void Delete(NonProjectTimeCategory category)
        {
            DbContext.NonProjectTimeCategories.Remove(category);
            DbContext.SaveChanges();
        }
    }
}