/// <summary> /// Creates a new jam with default values /// </summary> /// <returns></returns> internal Jam Create() { Jam jam = new Jam { AdddedDate = DateTime.Now }; return(jam); }
/// <summary> /// Saves a new jam. /// </summary> /// <param name="jam"></param> /// <returns></returns> internal Jam Save(Jam jam) { // Read in the existing jams var jams = this.Retrieve(); // Assign a new Id var maxId = jams.Max(p => p.JamId); jam.JamId = maxId + 1; jams.Add(jam); WriteData(jams); return(jam); }
/// <summary> /// Updates an existing jam /// </summary> /// <param name="id"></param> /// <param name="jam"></param> /// <returns></returns> internal Jam Save(int id, Jam jam) { // Read in the existing jams var jams = this.Retrieve(); // Locate and replace the item var itemIndex = jams.FindIndex(p => p.JamId == jam.JamId); if (itemIndex > 0) { jams[itemIndex] = jam; } else { return(null); } WriteData(jams); return(jam); }