コード例 #1
0
 //non async for initialization
 public static void SaveRecordSync(this SheltersContext db, DbRecord record, string author, string message)
 {
     //get all properties
     var properties = record.GetType().GetProperties();
     //save all modified properties
     foreach (var p in properties)
     {
         db.StoreFieldSync(p, record, author, message);
     }
     db.SaveChanges();
 }
コード例 #2
0
        public static void StoreFieldSync(this SheltersContext db, PropertyInfo info, DbRecord record, string author, string message)
        {
            var tableDescr = DbRecord.TableFieldIds[record.GetType().Name];
            int tableId = tableDescr.Item1;
            int fieldId;
            try
            {
                fieldId = tableDescr.Item2[info.Name];
            }
            catch (KeyNotFoundException)
            {
                return;
            }

            Type type = info.PropertyType;
            if (type.Name.Contains("Nullable"))
            {
                type = Nullable.GetUnderlyingType(type);
            }
            int typeId;
            try
            {
                typeId = DbRecord.DataTypeIds[type.Name];
            }
            catch (Exception)
            {
                return;
                //throw;
            }

            var fieldValue = info.GetValue(record);
            //if (recordValue == null)
            //{
            //    return;
            //}
            //string value = recordValue.ToString();
            string value = (fieldValue == null) ? "" : fieldValue.ToString();

            FieldInstant oldField = null;
            try
            {
                oldField = db.FieldInstants.First(r =>
                                   r.TableId == tableId &&
                                   r.RecordId == record.Id &&
                                   r.FieldId == fieldId &&
                                   r.DataTypeId == typeId &&
                                   r.EndDate == null);
            }
            catch (InvalidOperationException)
            { }
            catch (Exception)
            {
                throw;
            }

            if (oldField == null)
            {
                var newField = new FieldInstant()
                {
                    TableId = tableId,
                    RecordId = record.Id,
                    FieldId = fieldId,
                    DataTypeId = typeId,
                    Value = value,
                    Author = author,
                    Message = message,
                    StartDate = DateTime.Now
                };
                db.FieldInstants.Add(newField);
            }
            else if (oldField.Value != value)
            {
                oldField.EndDate = DateTime.Now;
                db.Entry(oldField).State = System.Data.Entity.EntityState.Modified;

                var newField = new FieldInstant()
                {
                    TableId = tableId,
                    RecordId = record.Id,
                    FieldId = fieldId,
                    DataTypeId = typeId,
                    Value = value,
                    Author = author,
                    Message = message,
                    StartDate = DateTime.Now
                };
                db.FieldInstants.Add(newField);
            }
        }