public HistoryService(NSCRegDbContext dbContext)
{
_dbContext = dbContext;
_userService = new UserService(dbContext);
_foreignKeysResolver = new ForeingKeysResolver(dbContext);
_commonSvc = new Common(dbContext);
}
/// <summary>
/// Method returning unchanged cropped fields
/// </summary>
/// <param name = "after"> After </param>
/// <param name = "before"> To </param>
/// <param name = "userId"> User Id </param>
/// <returns> </returns>
private async Task <IEnumerable <ChangedField> > CutUnchangedFields <T>(T after, T before, string userId)
where T : class, IStatisticalUnit
{
var unitType = after.GetType();
var daa = await _userService.GetDataAccessAttributes(
userId,
StatisticalUnitsTypeHelper.GetStatUnitMappingType(unitType));
var cahangedFields =
from prop in unitType.GetProperties()
let valueBefore = unitType.GetProperty(prop.Name).GetValue(before, null)?.ToString() ?? ""
let valueAfter = unitType.GetProperty(prop.Name).GetValue(after, null)?.ToString() ?? ""
where prop.Name != nameof(IStatisticalUnit.RegId) &&
daa.HasWriteOrReadPermission(DataAccessAttributesHelper.GetName(unitType, prop.Name)) &&
valueAfter != valueBefore
select new ChangedField {
Name = prop.Name, Before = valueBefore, After = valueAfter
};
var result = cahangedFields.ToArray();
foreach (var historyChangedField in result.Where(x => _foreignKeysResolver.Keys.Contains(x.Name)).Select(x => x).ToArray())
{
if (historyChangedField != null)
{
_foreignKeysResolver[historyChangedField.Name](historyChangedField);
}
}
return(result.ToArray());
}
