bykovme/nswallet

using System.Linq;

namespace NSWallet.Shared
{
    public static partial class BL
    {
        public static void DeleteField(string id, string itemID = null)
        {
            if (itemID == null) {
                itemID = CurrentItemID;
            }
            DataAccessLayer.GetInstance().DeleteField(id, itemID);
        }

        public static string AddField(string type, string fieldValue, string itemID = null, int weight = 0, string fieldID = null)
        {
            var dal = DataAccessLayer.GetInstance();
            if (fieldID == null) {
                fieldID = Common.GenerateUniqueString(GConsts.FIELDID_LENGTH);
            }
            if (itemID == null) {
                itemID = CurrentItemID;
                var nswItem = dal.GetItemByID(itemID);
                weight = 100;
                if (nswItem.Fields != null) {
                    if (nswItem.Fields.Count > 0) {
                        var maxWeight = nswItem.Fields.Max((x) => x.SortWeight);
                        weight = maxWeight + 100;
                    }
                }
            }

            dal.CreateField(itemID, fieldID, type, fieldValue, weight);
            return fieldID;
        }

        public static void UpdateField(string fieldID, string fieldValue, int sortWeight)
        {
            string oldPassword = null;
            var dal = DataAccessLayer.GetInstance();


            NSWField field = dal.GetFieldByItemFieldIDs(CurrentItemID, fieldID);
            NSWField oldPassField = dal.GetFieldByFieldType(CurrentItemID, GConsts.FLDTYPE_OLDP);

            if (field != null && oldPassField != null && field.FieldType == GConsts.FLDTYPE_PASS)
            {
                oldPassword = field.FieldValue;
            }

            dal.UpdateField(CurrentItemID, fieldID, fieldValue, sortWeight);

            if (!string.IsNullOrEmpty(oldPassword))
            {
                if (oldPassField != null)
                {
                    dal.UpdateField(CurrentItemID, oldPassField.FieldID, oldPassword, DataAccessLayer.DO_NOT_CHANGE_SORT);
                }
            }
        }
    }
}