protected internal virtual void OnLoadPageInfo(JObject jpage, IWikiPageQueryProvider options)
{
// Initialize
propertyGroups?.Clear();
// Update page stub
PageStub = MediaWikiHelper.PageStubFromJson(jpage);
// Load page info
// Invalid page title (like File:)
if (PageStub.IsInvalid)
{
return;
}
// Load property groups
foreach (var group in options.ParsePropertyGroups(jpage))
{
Debug.Assert(group != null, "The returned sequence from IWikiPageQueryParameters.ParsePropertyGroups contains null item.");
if (propertyGroups == null)
{
propertyGroups = new List <IWikiPagePropertyGroup>();
}
propertyGroups.Add(group);
}
// Check if the client has requested for revision content…
LastRevision = GetPropertyGroup <RevisionsPropertyGroup>()?.LatestRevision;
if (LastRevision?.Content != null)
{
Content = LastRevision.Content;
}
LastFileRevision = GetPropertyGroup <FileInfoPropertyGroup>()?.LatestRevision;
pageInfo = GetPropertyGroup <PageInfoPropertyGroup>();
LastRevisionId = pageInfo?.LastRevisionId ?? 0;
ContentModel = pageInfo?.ContentModel;
}
internal static RevisionsPropertyGroup Create(JObject jpage)
{
var jrevisions = jpage["revisions"];
if (jrevisions == null)
{
return(null);
}
if (!jrevisions.HasValues)
{
return(Empty);
}
var stub = MediaWikiHelper.PageStubFromJson(jpage);
return(new RevisionsPropertyGroup(stub, (JArray)jrevisions));
}
internal static FileInfoPropertyGroup Create(JObject jpage)
{
var info = jpage["imageinfo"];
// jpage["imageinfo"] == null indicates the page may not be a valid File.
if (info == null)
{
return(null);
}
if (!info.HasValues)
{
return(Empty);
}
var stub = MediaWikiHelper.PageStubFromJson(jpage);
return(new FileInfoPropertyGroup(stub, (JArray)info));
}
internal static WikiPageCategoryInfo CategoryInfoFromJson(JToken json)
{
return(new WikiPageCategoryInfo(MediaWikiHelper.PageStubFromJson((JObject)json),
json["hidden"] != null, (string)json["sortkeyprefix"], (string)json["sortkey"],
(DateTime?)json["timestamp"] ?? DateTime.MinValue));
}
internal static WikiPageLinksHereInfo LinkedPagesFromJson(JToken json)
{
return(new WikiPageLinksHereInfo(MediaWikiHelper.PageStubFromJson((JObject)json),
json["redirect"] != null));
}
/// <summary>
/// Asynchronously purges the pages.
/// </summary>
/// <returns>A collection of pages that haven't been successfully purged, because of either missing or invalid titles.</returns>
public static async Task <IReadOnlyCollection <PurgeFailureInfo> > PurgePagesAsync(IEnumerable <WikiPage> pages, PagePurgeOptions options, CancellationToken cancellationToken)
{
if (pages == null)
{
throw new ArgumentNullException(nameof(pages));
}
List <PurgeFailureInfo> failedPages = null;
// You can even purge pages from different sites.
foreach (var sitePages in pages.GroupBy(p => new WikiPageGroupKey(p)))
{
var site = sitePages.Key.Site;
var titleLimit = site.AccountInfo.HasRight(UserRights.ApiHighLimits)
? 500
: 50;
using (site.BeginActionScope(sitePages, options))
{
foreach (var partition in sitePages.Partition(titleLimit).Select(partition => partition.ToList()))
{
string titles;
string ids;
if (sitePages.Key.HasTitle)
{
// If a page has both title and ID information,
// we will use title anyway.
site.Logger.LogDebug("Purging {Count} pages by title.", partition.Count);
titles = MediaWikiHelper.JoinValues(partition.Select(p => p.Title));
ids = null;
}
else
{
site.Logger.LogDebug("Purging {Count} pages by ID.", partition.Count);
Debug.Assert(sitePages.All(p => p.PageStub.HasId));
titles = null;
ids = MediaWikiHelper.JoinValues(partition.Select(p => p.Id));
}
try
{
var jresult = await site.InvokeMediaWikiApiAsync(new MediaWikiFormRequestMessage(new
{
action = "purge",
titles = titles,
pageids = ids,
forcelinkupdate = (options & PagePurgeOptions.ForceLinkUpdate) == PagePurgeOptions.ForceLinkUpdate,
forcerecursivelinkupdate = (options & PagePurgeOptions.ForceRecursiveLinkUpdate) == PagePurgeOptions.ForceRecursiveLinkUpdate,
}), cancellationToken);
// Now check whether the pages have been purged successfully.
foreach (var jitem in jresult["purge"])
{
if (jitem["missing"] != null || jitem["invalid"] != null)
{
if (failedPages == null)
{
failedPages = new List <PurgeFailureInfo>();
}
failedPages.Add(new PurgeFailureInfo(MediaWikiHelper.PageStubFromJson((JObject)jitem), (string)jitem["invalidreason"]));
}
}
}
catch (OperationFailedException ex)
{
if (ex.ErrorCode == "cantpurge")
{
throw new UnauthorizedOperationException(ex);
}
throw;
}
}
}
}
return(failedPages ?? emptyPurgeFailures);
}
/// <inheritdoc />
protected override Revision ItemFromJson(JToken json, JObject jpage)
{
return(MediaWikiHelper.RevisionFromJson((JObject)json, MediaWikiHelper.PageStubFromJson(jpage)));
}
/// <inheritdoc />
protected override GeoSearchResultItem ItemFromJson(JToken json)
{
return(new GeoSearchResultItem(MediaWikiHelper.PageStubFromJson((JObject)json),
MediaWikiHelper.GeoCoordinateFromJson((JObject)json),
json["primary"] != null, (double)json["dist"]));
}
