public virtual FeedEntry GetFeedEntry(string id)
{
FeedEntry result;
Identity identity;
Document document;
identity = GetIdentity(id);
document = _entity.GetDocument(identity, _emptyToken, _context.Config);
if (document.LogState == LogState.Deleted)
{
#warning The empty Feed Entry should have a type...
result = getNewFeedEntry();
result.IsDeleted = true;
result.Key = id;
CorrelatedResSyncInfo[] corr = _correlatedResSyncInfoStore.GetByLocalId(_resourceKind.ToString(), new string[] { id });
if ((corr != null) && (corr.Length > 0))
{
result.UUID = corr[0].ResSyncInfo.Uuid;
}
return(result);
}
result = GetTransformedPayload(document);
return(result);
}
private void CheckExisting(ICorrelatedResSyncInfoStore correlatedResSyncInfoStore, string localId)
{
CorrelatedResSyncInfo[] existingCorrelations = correlatedResSyncInfoStore.GetByLocalId(_requestContext.ResourceKind.ToString(), new string[] { localId });
if (existingCorrelations.Length > 0)
{
StringBuilder b = new StringBuilder(existingCorrelations.Length + " correlations for " + localId + " already exist ( ");
foreach (CorrelatedResSyncInfo existingCorrelation in existingCorrelations)
{
b.Append(existingCorrelation.ResSyncInfo.Uuid);
b.Append(" ");
}
b.Append(")");
throw new RequestException(b.ToString());
}
}
protected Guid GetUuid(string localId, string uuidString)
{
if (String.IsNullOrEmpty(localId))
{
return(Guid.Empty);
}
CorrelatedResSyncInfo[] results = _correlatedResSyncInfoStore.GetByLocalId(_resourceKindString, new string[] { localId });
if (results.Length > 0)
{
return(results[0].ResSyncInfo.Uuid);
}
Guid result;
if (string.IsNullOrEmpty(uuidString))
{
result = Guid.NewGuid();
}
else
{
try
{
GuidConverter converter = new GuidConverter();
result = (Guid)converter.ConvertFromString(uuidString);
if (Guid.Empty.Equals(result))
{
result = Guid.NewGuid();
}
}
catch (Exception)
{
result = Guid.NewGuid();
}
}
ResSyncInfo newResSyncInfo = new ResSyncInfo(result, _originApplication, 0, string.Empty, DateTime.Now);
CorrelatedResSyncInfo newCorrelation = new CorrelatedResSyncInfo(localId, newResSyncInfo);
_correlatedResSyncInfoStore.Put(_resourceKindString, newCorrelation);
return(result);
}
public override SyncFeed GetFeed()
{
bool includeUuid;
string whereClause = string.Empty;
OleDbParameter[] oleDbParameters = null;
if (this is IEntityQueryWrapper)
{
QueryFilterBuilder queryFilterBuilder = new QueryFilterBuilder((IEntityQueryWrapper)this);
queryFilterBuilder.BuildSqlStatement(_context, out whereClause, out oleDbParameters);
}
SyncFeed feed = new SyncFeed();
feed.Title = _resourceKind.ToString() + ": " + DateTime.Now.ToString();
Token emptyToken = new Token();
List <Identity> identities = new List <Identity>();
if (String.IsNullOrEmpty(_context.ResourceKey))
{
identities = _entity.GetAll(_context.Config, whereClause, oleDbParameters);
}
else
{
identities.Add(new Identity(_entity.EntityName, _context.ResourceKey));
}
int totalResult = identities.Count;
#region PAGING & OPENSEARCH
/* PAGING */
feed.Links = FeedMetadataHelpers.CreatePageFeedLinks(_context, totalResult, FeedMetadataHelpers.RequestKeywordType.none);
/* OPENSEARCH */
PageController pageController = FeedMetadataHelpers.GetPageLinkBuilder(_context, totalResult, FeedMetadataHelpers.RequestKeywordType.none);
feed.Opensearch_ItemsPerPageElement = pageController.GetOpensearch_ItemsPerPageElement();
feed.Opensearch_StartIndexElement = pageController.GetOpensearch_StartIndexElement();
feed.Opensearch_TotalResultsElement = pageController.GetOpensearch_TotalResultsElement();
#endregion
feed.Id = _context.SdataUri.ToString();
string tmpValue;
// ?includeUuid
includeUuid = false; // default value, but check for settings now
if (_context.SdataUri.QueryArgs.TryGetValue("includeUuid", out tmpValue))
{
includeUuid = System.Xml.XmlConvert.ToBoolean(tmpValue);
}
ICorrelatedResSyncInfoStore correlatedResSyncStore = null;
if (includeUuid)
{
// get store to request the correlations
correlatedResSyncStore = RequestReceiver.NorthwindAdapter.StoreLocator.GetCorrelatedResSyncStore(_context.SdataContext);
}
for (int pageIndex = pageController.StartIndex; pageIndex <= pageController.LastIndex; pageIndex++)
//for (int index = startIndex; index < startIndex + count; index++)
{
int zeroBasedIndex = pageIndex - 1;
Identity identity = identities[zeroBasedIndex];
AccountDocument accountDocument = (AccountDocument)_entity.GetDocument(identity, emptyToken, _context.Config);
if (accountDocument.LogState == LogState.Deleted)
{
continue;
}
SyncFeedEntry entry = new SyncFeedEntry();
if (accountDocument.addresses.documents.Count == 0)
{
return(null);
}
entry.Id = String.Format("{0}{1}('{2}')", _context.DatasetLink, _resourceKind.ToString(), identity.Id);
entry.Title = String.Format("{0}: {1}", _resourceKind.ToString(), identity.Id);
entry.Updated = DateTime.Now;
if (_context.SdataUri.Precedence == null)
{
List <SyncFeedEntryLink> links;
Document document = accountDocument.addresses.documents[0];
entry.Payload = GetTransformedPayload(document, out links);
string taUuid = GetTradingAccountUuid(accountDocument.Id);
if (!String.IsNullOrEmpty(taUuid))
{
SyncFeedEntryLink tradingAccountLink = SyncFeedEntryLink.CreateRelatedLink(
String.Format("{0}{1}('{2}')", _context.DatasetLink, SupportedResourceKinds.tradingAccounts.ToString(), accountDocument.Id),
SupportedResourceKinds.tradingAccounts.ToString(),
_tradingAccountUuidPayloadPath, taUuid);
links.Add(tradingAccountLink);
}
entry.SyncLinks = links;
}
if (includeUuid)
{
CorrelatedResSyncInfo[] infos = correlatedResSyncStore.GetByLocalId(_context.ResourceKind.ToString(), new string[] { identity.Id });
entry.Uuid = (infos.Length > 0) ? infos[0].ResSyncInfo.Uuid : Guid.Empty;
}
if (entry != null)
{
feed.Entries.Add(entry);
}
}
return(feed);
}
private void CheckExisting(ICorrelatedResSyncInfoStore correlatedResSyncInfoStore, string localId)
{
CorrelatedResSyncInfo[] existingCorrelations = correlatedResSyncInfoStore.GetByLocalId(_requestContext.ResourceKind.ToString(), new string[] { localId });
if (existingCorrelations.Length > 0)
{
StringBuilder b = new StringBuilder(existingCorrelations.Length + " correlations for " + localId + " already exist ( ");
foreach (CorrelatedResSyncInfo existingCorrelation in existingCorrelations)
{
b.Append(existingCorrelation.ResSyncInfo.Uuid);
b.Append(" ");
}
b.Append(")");
throw new RequestException(b.ToString());
}
}
public void Update(FeedEntry entry)
{
// only atom entry supported!!!
if (_request.ContentType != Sage.Common.Syndication.MediaType.AtomEntry)
{
throw new RequestException("Atom entry content type expected");
}
// resource key must exist in url
if (string.IsNullOrEmpty(_requestContext.ResourceKey))
{
throw new RequestException("ResourceKey missing in requested url.");
}
string requestEndPointUrl;
RequestContext entryResourceAsRequestContext;
string url; // The url that references an existing resource
string localId; // will be parsed from urlAttrValue and set to the key attribute of the result resource payload
Guid uuid; // the new uuid
// retrieve the feed entry
//entry = FeedComponentFactory.Create<ILinkingResourceFeedEntry>(request.Stream);
// Get the uuid from query
uuid = (Guid)TypeDescriptor.GetConverter(typeof(Guid)).ConvertFrom(_requestContext.ResourceKey);
if (null == entry)
{
throw new RequestException("sdata payload element missing");
}
// the consumer MUST provide an sdata:url attribute that references an existing resource.
url = entry.Uri;
if (string.IsNullOrEmpty(url))
{
throw new RequestException("sdata url attribute missing for resource payload element.");
}
// Parse the url of thew url attribute to get the local id.
// Additionally we check for equality of the urls of the request url and
// in the linked element up to the resourceKind.
requestEndPointUrl = _requestContext.OriginEndPoint;
entryResourceAsRequestContext = new RequestContext(new Sage.Common.Syndication.SDataUri(url)); // TODO: not really nice here.
string linkedResourceUrl = entryResourceAsRequestContext.OriginEndPoint;
if (!string.Equals(requestEndPointUrl, linkedResourceUrl, StringComparison.InvariantCultureIgnoreCase))
{
throw new RequestException("Request url and linked entry resource not matching.");
}
string resourceKindName = _requestContext.ResourceKind.ToString();
localId = entryResourceAsRequestContext.ResourceKey;
// The correlation store
ICorrelatedResSyncInfoStore correlatedResSyncInfoStore = NorthwindAdapter.StoreLocator.GetCorrelatedResSyncStore(_requestContext.SdataContext);
// update the correlation entry in the sync store.
// if uuid is not in use -> throw exception
// if resource is already linked -> remove existing link, reassign link
// if resource is not yet linked -> reassign link
CorrelatedResSyncInfo[] correlations;
CorrelatedResSyncInfo correlationToModify = null;
// retrieve the correlation we want to reassign by given uuid
correlations = correlatedResSyncInfoStore.GetByUuid(resourceKindName, new Guid[] { uuid });
if (correlations.Length > 0)
{
correlationToModify = correlations[0];
}
else
{
throw new RequestException("Uuid not in use");
}
//remember the old Correlation for the new localId, will be deleted after the update.
CorrelatedResSyncInfo[] oldCorrelations = correlatedResSyncInfoStore.GetByLocalId(resourceKindName, new string[] { localId });
// change the local ID to link to the new resource.
// change the modification stamp and reset the tick
correlationToModify.LocalId = localId;
correlationToModify.ResSyncInfo.ModifiedStamp = DateTime.Now;
correlationToModify.ResSyncInfo.Tick = 1;
// update the correlation
correlatedResSyncInfoStore.Update(resourceKindName, correlationToModify);
//If updating went OK, delete the old correlation for the new localId (should be only 1, for-loop just to be sure to catch em all)
foreach (CorrelatedResSyncInfo oldCorrelation in oldCorrelations)
{
correlatedResSyncInfoStore.Delete(resourceKindName, oldCorrelation.ResSyncInfo.Uuid);
}
// If the service consumer only needs to retrieve the URL, not the actual payload,
// it may do so by adding an empty select parameter to its request:
// a) select parameter not exist -> return deep resource payload
// b) select exists and empty -> return no resource payload
// c) select exists and not empty -> return deep resource payload as we do not yet support payload filtering
// with select parameter.
string tmpValue;
// ?select
bool includeResourcePayloads = true; // default value, but check for select parameter now
if (_requestContext.SdataUri.QueryArgs.TryGetValue("select", out tmpValue))
{
if (string.IsNullOrEmpty(_requestContext.SdataUri.QueryArgs["select"]))
{
includeResourcePayloads = false;
}
}
// Create an entity wrapper if resource data should be requested. Otherwise
// leave wrapper null.
IFeedEntryEntityWrapper wrapper = null;
//if (includeResourcePayloads) //TODO: Comment this in as soon as there is a possibility to send empty payload objects
wrapper = FeedEntryWrapperFactory.Create(_requestContext.ResourceKind, _requestContext);
/* Create the response entry */
_request.Response.FeedEntry = (FeedEntry)this.BuildFeedEntryForCorrelation(correlationToModify, wrapper);
_request.Response.ContentType = MediaType.AtomEntry;
}
