public void ShouldGetItemVersionContent()
{
var svc = new ListsSoapClient();
svc.ClientCredentials.Windows.ClientCredential = new System.Net.NetworkCredential(_appSettings.Username, _appSettings.Password, "SSW2000");
var xx = svc.GetVersionCollection("Pages", "4", "PublishingPageContent");
xx.Should().NotBeNull();
}
/// <summary>
/// need to hit 2 different services in order to get full history: CSOM and lists.asmx
/// </summary>
/// <param name="contentItem"></param>
/// <param name="ctx"></param>
/// <param name="item"></param>
private void LoadContentHistory(IHasContentHistory contentItem, ClientContext ctx, ListItem item)
{
_log.LogInformation("load history for item {item} ", item.Id);
var introTextFieldName = (item.ContentType.Name == "RuleSummaryPage") ? "RuleSummaryIntro" : "RuleContentTop";
var file = ctx.Web.GetFileByServerRelativeUrl($"/Pages/{item["FileLeafRef"]}");
ctx.Load(file);
var versions = file.Versions;
ctx.Load(versions);
var oldVersions = ctx.LoadQuery(versions.Where(v => v != null));
ctx.ExecuteQuery();
var svc = new ListsSoapClient();
svc.ClientCredentials.Windows.ClientCredential = new System.Net.NetworkCredential(_appSettings.Username, _appSettings.Password, "SSW2000");
XNamespace xmlns = "http://schemas.microsoft.com/sharepoint/soap/";
var fields = new List <string> {
"Title", introTextFieldName, "PublishingPageContent"
};
// we need to fetch history for each field individually - and we might not have data for every record reported by the "Version" field
// build this data into a 2-level dictionary fieldName->modifiedDate->Value
// use of modified date key ensures we map incomplete datasets to correct versions
var fieldHistoryData = new Dictionary <string, Dictionary <string, string> >();
foreach (var field in fields)
{
fieldHistoryData[field] = new Dictionary <string, string>();
var fieldVersionsXml = svc.GetVersionCollection("Pages", item.Id.ToString(), field);
var elements = fieldVersionsXml.Descendants(xmlns + "Version");
foreach (var element in elements) // note: I started with a ToDictionary() here but we need to handle duplicate 'modified' value in source data
{
var modified = element.Attribute("Modified")?.Value;
if (!string.IsNullOrWhiteSpace(modified) && !fieldHistoryData[field].ContainsKey(modified))
{
fieldHistoryData[field][modified] = element.Attribute(field)?.Value;
}
}
}
// now fetch all data for the "Version" field to make ContentVersion objects - adding fields from fieldHistoryData where we can
var versionsXml = svc.GetVersionCollection("Pages", item.Id.ToString(), "Version");
var contentVersions = versionsXml.Descendants(xmlns + "Version")
.Select(v => new ContentVersion()
{
VersionLabel = v.Attribute("Version")?.Value,
Comment = oldVersions.FirstOrDefault(x => x.VersionLabel == v.Attribute("Version")?.Value)
?.CheckInComment,
ModifiedUtc = DateTime.Parse(v.Attribute("Modified")?.Value),
ModifiedBy = v.Attribute("Editor")?.Value?.Split(new char[] { ',' })[2],
ModifiedByFullName = v.Attribute("Editor")?.Value?.Split(new char[] { ',' })[4],
Title = fieldHistoryData.ValueOrNull("Title")?.ValueOrNull(v.Attribute("Modified")?.Value),
IntroText = fieldHistoryData.ValueOrNull(introTextFieldName)?.ValueOrNull(v.Attribute("Modified")?.Value),
Content = fieldHistoryData.ValueOrNull("PublishingPageContent")?.ValueOrNull(v.Attribute("Modified")?.Value),
}).ToList();
contentItem.Versions = contentVersions;
}