private List <VersionDetails> _getDataSource()
{
var versions = new List <VersionDetails>();
var dataService = new RosterDataService();
var rosterEvent = dataService.GetRosterEvent(this.ItemId.Value);
var listId = ListId.HasValue ? ListId.Value :
(rosterEvent.EventTypeId == 0) ? TableIDs.PLANNED_ROSTERS : TableIDs.WORKING_ROSTERS;
var allListFields = new RosterConfigService().GetList(listId).ListMetadataFields.Select(fld => fld.GetDbField());
// get history items
var historyInfo = dataService.ListTrackData(this.ItemId.Value);
string[] excludeFields = new string[] { FieldNames.ID, FieldNames.ROSTER_EVENT_ID,
FieldNames.CONTENT_TYPE_ID, FieldNames.MODIFIED, FieldNames.MODIFIED_BY };
for (int k = 0; k < historyInfo.Count; k++)
{
var currentVersionTrackData = historyInfo[k].TrackDataDictionary;
var fldModifiedByText = string.Empty;
var fldModifiedBy = allListFields.FirstOrDefault(f => f.InternalName.Equals(FieldNames.MODIFIED_BY));
if (fldModifiedBy != null)
{
if (currentVersionTrackData.ContainsKey(FieldNames.MODIFIED_BY))
{
fldModifiedByText = fldModifiedBy.GetFieldValueAsText(currentVersionTrackData[FieldNames.MODIFIED_BY]);
}
}
var vd = new VersionDetails(historyInfo[k], fldModifiedByText);
if (k == historyInfo.Count - 1)
{
foreach (string fldName in currentVersionTrackData.Keys.Where(ke => !excludeFields.Contains(ke)))
{
var fld = allListFields.FirstOrDefault(f => f.InternalName.Equals(fldName));
if (fld == null)
{
continue;
}
vd.Changes.Add(new ChangeInfo
{
FieldName = fld.DisplayName,
FieldValue = fld.GetFieldValueAsText(currentVersionTrackData[fldName])
});
}
}
else
{
var prevVersionTrackData = historyInfo[k + 1].TrackDataDictionary;
foreach (string fldName in currentVersionTrackData.Keys.Where(ke => !excludeFields.Contains(ke)))
{
if (!prevVersionTrackData.ContainsKey(fldName) || (prevVersionTrackData.ContainsKey(fldName) &&
prevVersionTrackData.GetValue(fldName).ToSafeString() != currentVersionTrackData[fldName].ToSafeString()))
{
var fld = allListFields.FirstOrDefault(f => f.InternalName.Equals(fldName));
if (fld == null)
{
continue;
}
vd.Changes.Add(new ChangeInfo
{
FieldName = fld.DisplayName,
FieldValue = fld.GetFieldValueAsText(currentVersionTrackData[fldName])
});
}
}
}
if (vd.Changes.Count() == 0)
{
vd.Changes.Add(new ChangeInfo {
FieldName = "No changes", FieldValue = string.Empty
});
}
versions.Add(vd);
}
return(versions);
}
