private string GetReportOutputConfiguration(int reportId, int userId, IEnumerable<ReportColumn> columnsSwapHistory, IEnumerable<ReportColumn> columnsWidthHistory)
{
var userReport = GetUserReport(reportId, userId);
var columnsConfig = new JavaScriptSerializer().Deserialize<List<ReportColumn>>(userReport.OutputConfiguration);
columnsConfig.ForEach(reportConfig =>
{
var lastIndex = columnsSwapHistory.LastOrDefault(columnSwap => columnSwap.Name == reportConfig.Name);
//There was an index change so an offset has to be performed
if (!lastIndex.IsNull())
{
//Right offset
if (lastIndex.Index > reportConfig.Index)
{
foreach (var column in columnsConfig.Where(colum => colum.Index <= lastIndex.Index && colum.Index > reportConfig.Index))
column.Index--;
}
else
{
//Left offset
foreach (var column in columnsConfig.Where(colum => colum.Index >= lastIndex.Index && colum.Index < reportConfig.Index))
column.Index++;
}
reportConfig.Index = lastIndex.Index;
}
var lastWidth = columnsWidthHistory.LastOrDefault(columnWidth => columnWidth.Name == reportConfig.Name);
if (!lastWidth.IsNull())
reportConfig.Width = lastWidth.Width;
});
var jsonResult = new JsonSerializer().Serialize(columnsConfig);
return jsonResult;
}