/// <summary> /// Fetches all. /// </summary> /// <returns></returns> public static Coupon[] FetchAll() { string cacheKey = String.Format("Coupon_FetchAll"); if (HttpContext.Current != null && HttpContext.Current.Cache[cacheKey] != null) { return HttpContext.Current.Cache[cacheKey] as Coupon[]; } using (SqlConnection conn = Config.DB.Open()) { SqlDataReader reader = (SqlDataReader) SqlHelper.GetDB().ExecuteReader( "FetchCoupons"); List<Coupon> lCoupons = new List<Coupon>(); while (reader.Read()) { Coupon coupon = new Coupon(); coupon.id = (int)reader["Id"]; coupon.code = (string)reader["Code"]; coupon.startDate = (DateTime)reader["StartDate"]; coupon.dueDate = (DateTime)reader["DueDate"]; coupon.maxUse = (int)reader["MaxUse"]; coupon.couponTypeId = (int)reader["TypeId"]; coupon.username = (string)reader["Username"]; coupon.used = (int)reader["Used"]; coupon.OnlyForNewUser = (bool)reader["OnlyNewUser"]; lCoupons.Add(coupon); } Coupon[] coupons = lCoupons.ToArray(); if (HttpContext.Current != null) { HttpContext.Current.Cache.Insert(cacheKey, coupons, null, DateTime.Now.AddMinutes(30), Cache.NoSlidingExpiration, CacheItemPriority.NotRemovable, null); } return coupons; } }
public static Coupon Fetch(string code) { Coupon coupon = new Coupon(); using (SqlConnection conn = Config.DB.Open()) { SqlDataReader reader = (SqlDataReader) SqlHelper.GetDB().ExecuteReader( "FetchCoupon", code); if (reader.Read()) { coupon.id = (int)reader["Id"]; coupon.code = (string)reader["Code"]; coupon.startDate = (DateTime)reader["StartDate"]; coupon.dueDate = (DateTime)reader["DueDate"]; coupon.maxUse = (int)reader["MaxUse"]; coupon.couponTypeId = (int)reader["TypeId"]; coupon.used = (int)reader["Used"]; coupon.username = (string)reader["Username"]; coupon.OnlyForNewUser = (bool)reader["OnlyNewUser"]; } } return coupon; }
/// <summary> /// Creates the specified code. /// </summary> /// <returns>Coupon with generated code</returns> public static Coupon Create() { Coupon[] coupons = FetchAll(); string code = GenerateCode(); var codes = coupons.Select(c => c.Code).ToList(); while (codes.Contains(code)) { code = GenerateCode(); } Coupon coupon = new Coupon(); coupon.Code = code; coupon.id = -1; coupon.StartDate = DateTime.Today; coupon.DueDate = DateTime.Today.AddMonths(1); coupon.OnlyForNewUser = true; return coupon; }