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); }
public void DoWork(IRequest request) { EntryRequestType entryRequestType; string resourceKindName; ICorrelatedResSyncInfoStore correlatedResSyncStore; bool includeDataPayloads; //?includePayloads value CorrelatedResSyncInfo[] correlatedResSyncInfos; int totalResult; #region initialization // multi or single entry request? entryRequestType = (String.IsNullOrEmpty(_requestContext.ResourceKey)) ? EntryRequestType.Multi : EntryRequestType.Single; resourceKindName = _requestContext.ResourceKind.ToString(); string tmpValue; // ?includePayloads includeDataPayloads = false; // default value, but check for settings now if (_requestContext.SdataUri.QueryArgs.TryGetValue("includePayload", out tmpValue)) { includeDataPayloads = System.Xml.XmlConvert.ToBoolean(tmpValue); } // get store to request the correlations correlatedResSyncStore = RequestReceiver.NorthwindAdapter.StoreLocator.GetCorrelatedResSyncStore(_requestContext.SdataContext); #endregion // receive correlated resource synchronization entries if (entryRequestType == EntryRequestType.Multi) { int pageNumber = FeedMetadataHelpers.GetPageNumber(_requestContext); correlatedResSyncInfos = correlatedResSyncStore.GetPaged(resourceKindName, pageNumber, FeedMetadataHelpers.DEFAULT_ITEMS_PER_PAGE, out totalResult); } else { Guid uuid = (Guid)TypeDescriptor.GetConverter(typeof(Guid)).ConvertFrom(_requestContext.ResourceKey); correlatedResSyncInfos = correlatedResSyncStore.GetByUuid(resourceKindName, new Guid[] { uuid }); totalResult = correlatedResSyncInfos.Length; } // Create the feed SyncFeed feed = new SyncFeed(); // initialize the feed feed.Id = FeedMetadataHelpers.BuildBaseUrl(_requestContext, FeedMetadataHelpers.RequestKeywordType.linked); feed.Title = string.Format("{0} Linking Feed", resourceKindName); #region PAGING & OPENSEARCH /* PAGING */ feed.Links = FeedMetadataHelpers.CreatePageFeedLinks(_requestContext, totalResult, FeedMetadataHelpers.RequestKeywordType.linked); /* OPENSEARCH */ PageController pageLinkBuilder = FeedMetadataHelpers.GetPageLinkBuilder(_requestContext, totalResult, FeedMetadataHelpers.RequestKeywordType.linked); feed.Opensearch_ItemsPerPageElement = pageLinkBuilder.GetOpensearch_ItemsPerPageElement(); feed.Opensearch_StartIndexElement = pageLinkBuilder.GetOpensearch_StartIndexElement(); feed.Opensearch_TotalResultsElement = pageLinkBuilder.GetOpensearch_TotalResultsElement(); #endregion feed.FeedType = (entryRequestType == EntryRequestType.Multi) ? FeedType.Linked : FeedType.LinkedSingle; IEntityWrapper wrapper = null; if (includeDataPayloads) { wrapper = EntityWrapperFactory.Create(_requestContext.ResourceKind, _requestContext); } for (int i = 0; i < correlatedResSyncInfos.Length; i++) { SyncFeedEntry entry = null; if (includeDataPayloads) { entry = wrapper.GetFeedEntry(correlatedResSyncInfos[i].LocalId); } else { entry = new SyncFeedEntry(); } entry.Id = FeedMetadataHelpers.BuildLinkedEntryUrl(_requestContext, correlatedResSyncInfos[i].ResSyncInfo.Uuid); entry.Title = FeedMetadataHelpers.BuildLinkedEntryTitle(_requestContext, correlatedResSyncInfos[i].ResSyncInfo.Uuid); #region LINKED ELEMENT LinkedElement linkedElement = new LinkedElement(); linkedElement.Resource = FeedMetadataHelpers.BuildEntryResourceUrl(_requestContext, correlatedResSyncInfos[i].LocalId); linkedElement.Uuid = correlatedResSyncInfos[i].ResSyncInfo.Uuid; entry.Linked = linkedElement; #endregion feed.Entries.Add(entry); } request.Response.Serializer = new SyncFeedSerializer(); request.Response.Feed = (IFeed)feed; request.Response.ContentType = (entryRequestType == EntryRequestType.Multi) ? MediaType.Atom : MediaType.AtomEntry; }
public void Create(FeedEntry entry) { // only atom entry supported!!! if (_request.ContentType != Sage.Common.Syndication.MediaType.AtomEntry) { throw new RequestException("Atom entry content type expected"); } 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 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; ICorrelatedResSyncInfoStore correlatedResSyncInfoStore = NorthwindAdapter.StoreLocator.GetCorrelatedResSyncStore(_requestContext.SdataContext); CheckExisting(correlatedResSyncInfoStore, localId); // try to get the new uuid from uuid attribute // if this attribute is not set a new one is created if (null == entry.UUID || entry.UUID == Guid.Empty) { uuid = Guid.NewGuid(); } else { uuid = entry.UUID; } // store a new correlation entry to the sync store ResSyncInfo newResSyncInfo = new ResSyncInfo(uuid, requestEndPointUrl, 0, string.Empty, DateTime.Now); CorrelatedResSyncInfo newInfo = new CorrelatedResSyncInfo(localId, newResSyncInfo); correlatedResSyncInfoStore.Add(resourceKindName, newInfo); // 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(newInfo, wrapper); _request.Response.ContentType = MediaType.AtomEntry; _request.Response.StatusCode = System.Net.HttpStatusCode.Created; _request.Response.Protocol.SendUnknownResponseHeader("location", FeedMetadataHelpers.BuildLinkedEntryUrl(_requestContext, uuid)); }
public void DoWork(IRequest request) { // only atom entry supported!!! if (request.ContentType != Sage.Common.Syndication.MediaType.AtomEntry) { throw new RequestException("Atom entry content type expected"); } // deserialize the request stream to a SyncFeedEntry SyncFeedEntry entry = new SyncFeedEntry(); XmlReader reader = XmlReader.Create(request.Stream); reader.MoveToContent(); entry.ReadXml(reader, typeof(SyncDigestPayload)); if (null == entry.Linked) { throw new RequestException("Invalid content: element 'linked' missing"); } // We check for equality of the urls of the request url and // in the linked element up to the resourceKind. string requestEndpointUrl = _requestContext.OriginEndPoint; RequestContext entryResourceAsRequestContext = new RequestContext(new Sage.Common.Syndication.SDataUri(entry.Linked.Resource)); // 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(); Guid currentUuid = (Guid)TypeDescriptor.GetConverter(typeof(Guid)).ConvertFrom(_requestContext.ResourceKey); Guid newUuid = entry.Linked.Uuid; string newLocalId = entryResourceAsRequestContext.SdataUri.CollectionPredicate; // update the correlation entry in the sync store. // if the uuid should be updated we have to remove the current correlation and then add a new one. // otherwise we update the current correlation. ICorrelatedResSyncInfoStore correlatedResSyncInfoStore = RequestReceiver.NorthwindAdapter.StoreLocator.GetCorrelatedResSyncStore(_requestContext.SdataContext); // create the target correlation ResSyncInfo targetResSyncInfo = new ResSyncInfo(newUuid, requestEndpointUrl, 0, string.Empty, DateTime.Now); CorrelatedResSyncInfo targetInfo = new CorrelatedResSyncInfo(newLocalId, targetResSyncInfo); if (currentUuid == newUuid) { correlatedResSyncInfoStore.Update(resourceKindName, targetInfo); } else { correlatedResSyncInfoStore.Delete(resourceKindName, currentUuid); correlatedResSyncInfoStore.Add(resourceKindName, targetInfo); } // create response SyncFeed feed = new SyncFeed(); feed.FeedType = FeedType.LinkedSingle; // create entry SyncFeedEntry responseEntry = new SyncFeedEntry(); responseEntry.Id = FeedMetadataHelpers.BuildLinkedEntryUrl(_requestContext, targetInfo.ResSyncInfo.Uuid); responseEntry.Title = FeedMetadataHelpers.BuildLinkedEntryTitle(_requestContext, targetInfo.ResSyncInfo.Uuid); LinkedElement linkedElement = new LinkedElement(); linkedElement.Resource = FeedMetadataHelpers.BuildEntryResourceUrl(_requestContext, targetInfo.LocalId); linkedElement.Uuid = targetInfo.ResSyncInfo.Uuid; responseEntry.Linked = linkedElement; feed.Entries.Add(responseEntry); request.Response.Serializer = new SyncFeedSerializer(); request.Response.Feed = (IFeed)feed; request.Response.ContentType = MediaType.AtomEntry; }
public void DoWork(IRequest request) { // only atom entry supported!!! if (request.ContentType != Sage.Common.Syndication.MediaType.AtomEntry) { throw new RequestException("Atom entry content type expected"); } // deserialize the request stream to a SyncFeedEntry SyncFeedEntry entry = new SyncFeedEntry(); XmlReader reader = XmlReader.Create(request.Stream); reader.MoveToContent(); entry.ReadXml(reader, typeof(SyncDigestPayload)); if (null == entry.Linked) { throw new RequestException("Invalid content: element 'linked' missing"); } // Parse the resource url 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. string requestEndpointUrl = _requestContext.OriginEndPoint; RequestContext entryResourceAsRequestContext = new RequestContext(new Sage.Common.Syndication.SDataUri(entry.Linked.Resource)); // 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(); string localId = entryResourceAsRequestContext.SdataUri.CollectionPredicate; Guid uuid = entry.Linked.Uuid; // store a new correlation entry to the sync store ICorrelatedResSyncInfoStore correlatedResSyncInfoStore = RequestReceiver.NorthwindAdapter.StoreLocator.GetCorrelatedResSyncStore(_requestContext.SdataContext); ResSyncInfo newResSyncInfo = new ResSyncInfo(uuid, requestEndpointUrl, 0, string.Empty, DateTime.Now); CorrelatedResSyncInfo newInfo = new CorrelatedResSyncInfo(localId, newResSyncInfo); correlatedResSyncInfoStore.Add(resourceKindName, newInfo); // Set the response values SyncFeed feed = new SyncFeed(); feed.FeedType = FeedType.LinkedSingle; SyncFeedEntry feedEntry = new SyncFeedEntry(); feedEntry.Title = FeedMetadataHelpers.BuildLinkedEntryTitle(_requestContext, uuid); feedEntry.Id = FeedMetadataHelpers.BuildLinkedEntryUrl(_requestContext, uuid); feedEntry.Updated = newInfo.ResSyncInfo.ModifiedStamp; feedEntry.Published = newInfo.ResSyncInfo.ModifiedStamp; feedEntry.Linked = entry.Linked; feed.Entries.Add(feedEntry); request.Response.Serializer = new SyncFeedSerializer(); request.Response.Feed = (IFeed)feed; request.Response.ContentType = MediaType.AtomEntry; request.Response.StatusCode = System.Net.HttpStatusCode.Created; request.Response.Protocol.SendUnknownResponseHeader("location", FeedMetadataHelpers.BuildLinkedEntryUrl(_requestContext, uuid)); }