private Snapshot CreateSnapshot(Uri selflink, IEnumerable <string> keys, SearchParams searchCommand)
{
string sort = GetFirstSort(searchCommand);
int?count = searchCommand.Count;
if (count.HasValue)
{
//TODO: should we change count?
//count = Math.Min(searchCommand.Count.Value, MAX_PAGE_SIZE);
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_COUNT, new string[] { count.ToString() });
}
if (searchCommand.Sort.Any())
{
foreach (Tuple <string, SortOrder> tuple in searchCommand.Sort)
{
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_SORT,
string.Format("{0}:{1}", tuple.Item1, tuple.Item2 == SortOrder.Ascending ? "asc" : "desc"));
}
}
if (searchCommand.Include.Any())
{
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_INCLUDE, searchCommand.Include.ToArray());
}
if (searchCommand.RevInclude.Any())
{
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_REVINCLUDE, searchCommand.RevInclude.ToArray());
}
return(Snapshot.Create(Bundle.BundleType.Searchset, selflink, keys, sort, count, searchCommand.Include, searchCommand.RevInclude));
}
// Given a set of version id's, go fetch a subset of them from the store and build a Bundle
/*private Bundle createBundle(Snapshot snapshot, int start, int count)
* {
* var entryVersionIds = snapshot.Keys.Skip(start).Take(count).ToList();
* var pageContents = store.Get(entryVersionIds, snapshot.SortBy).ToList();
*
* var bundle =
* BundleEntryFactory.CreateBundleWithEntries(snapshot.FeedTitle, new Uri(snapshot.FeedSelfLink),
* "Spark MatchBox Search Engine", null, pageContents);
*
* if (snapshot.Count != Snapshot.NOCOUNT)
* bundle.TotalResults = snapshot.Count;
* else
* bundle.TotalResults = null;
*
* var total = snapshot.Keys.Count();
*
* // If we need paging, add the paging links
* if (total > count)
* buildLinks(bundle, snapshot, start, count);
*
* return bundle;
* }
*/
private static void buildLinks(Bundle bundle, Snapshot snapshot, int start, int count)
{
var lastPage = snapshot.Count / count;
// http://spark.furore.com/fhir/_snapshot/
Uri baseurl = new Uri(Settings.Endpoint.ToString() + "/" + FhirRestOp.SNAPSHOT);
bundle.Links.SelfLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, start.ToString())
.AddParam(FhirParameter.COUNT, count.ToString());
// First
bundle.Links.FirstLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, "0");
// Last
bundle.Links.LastLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, (lastPage * count).ToString());
// Only do a Previous if we can go back
if (start > 0)
{
int prevIndex = start - count;
if (prevIndex < 0)
{
prevIndex = 0;
}
bundle.Links.PreviousLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, prevIndex.ToString());
}
// Only do a Next if we can go forward
if (start + count < snapshot.Count)
{
int nextIndex = start + count;
bundle.Links.NextLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, nextIndex.ToString());
}
}
private static void buildLinks(Bundle bundle, string snapshotId, int index, int pageSize, int count)
{
var lastPage = count / pageSize;
// http://spark.furore.com/fhir/_snapshot/
Uri baseurl = new Uri(Settings.Endpoint.ToString() + "/" + FhirRestOp.SNAPSHOT);
bundle.Links.SelfLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshotId)
.AddParam(FhirParameter.SNAPSHOT_INDEX, index.ToString())
.AddParam(FhirParameter.COUNT, pageSize.ToString());
// First
bundle.Links.FirstLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshotId)
.AddParam(FhirParameter.SNAPSHOT_INDEX, "0");
// Last
bundle.Links.LastLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshotId)
.AddParam(FhirParameter.SNAPSHOT_INDEX, (lastPage * pageSize).ToString());
// Only do a Previous if we can go back
if (index > 0)
{
int prevIndex = index - pageSize;
if (prevIndex < 0)
{
prevIndex = 0;
}
bundle.Links.PreviousLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshotId)
.AddParam(FhirParameter.SNAPSHOT_INDEX, prevIndex.ToString());
}
// Only do a Next if we can go forward
if (index + pageSize < count)
{
int nextIndex = index + pageSize;
bundle.Links.NextLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshotId)
.AddParam(FhirParameter.SNAPSHOT_INDEX, nextIndex.ToString());
}
}
void BuildLinks(Bundle bundle, Snapshot snapshot, int start, int count)
{
var lastPage = snapshot.Count / count;
Uri baseurl = new Uri(localhost.Base.ToString() + "/" + FhirRestOp.SNAPSHOT);
bundle.SelfLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, start.ToString())
.AddParam(FhirParameter.COUNT, count.ToString());
// First
bundle.FirstLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, "0");
// Last
bundle.LastLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, (lastPage * count).ToString());
// Only do a Previous if we can go back
if (start > 0)
{
int prevIndex = start - count;
if (prevIndex < 0)
{
prevIndex = 0;
}
bundle.PreviousLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, prevIndex.ToString());
}
// Only do a Next if we can go forward
if (start + count < snapshot.Count)
{
int nextIndex = start + count;
bundle.NextLink =
baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshot.Id)
.AddParam(FhirParameter.SNAPSHOT_INDEX, nextIndex.ToString());
}
}
private HttpWebRequest prepareRequest(string method, Uri uri, object data, IEnumerable <Tag> tags, bool expectBundleResponse)
{
byte[] body = null;
Uri api = uri;
if (UseFormatParam)
{
api = api.AddParam(HttpUtil.RESTPARAM_FORMAT, ContentType.BuildFormatParam(PreferredFormat));
}
var req = initializeRequest(api, method);
if (!UseFormatParam)
{
req.Accept = ContentType.BuildContentType(PreferredFormat, forBundle: expectBundleResponse);
}
if (data is Binary)
{
var bin = (Binary)data;
body = bin.Content;
req.ContentType = bin.ContentType;
}
else if (data is Resource)
{
body = PreferredFormat == ResourceFormat.Xml ?
FhirSerializer.SerializeResourceToXmlBytes((Resource)data) :
FhirSerializer.SerializeResourceToJsonBytes((Resource)data);
req.ContentType = ContentType.BuildContentType(PreferredFormat, false);
}
else if (data is Bundle)
{
body = PreferredFormat == ResourceFormat.Xml ?
FhirSerializer.SerializeBundleToXmlBytes((Bundle)data) :
FhirSerializer.SerializeBundleToJsonBytes((Bundle)data);
req.ContentType = ContentType.BuildContentType(PreferredFormat, true);
}
else if (data is TagList)
{
body = PreferredFormat == ResourceFormat.Xml ?
FhirSerializer.SerializeTagListToXmlBytes((TagList)data) :
FhirSerializer.SerializeTagListToJsonBytes((TagList)data);
req.ContentType = ContentType.BuildContentType(PreferredFormat, false);
}
if (tags != null)
{
req.Headers[HttpUtil.CATEGORY] = HttpUtil.BuildCategoryHeader(tags);
}
if (body != null)
{
writeBody(req, body);
}
return(req);
}
private static Snapshot CreateSnapshot(Uri selflink, IList <string> keys, SearchParams searchCommand)
{
var sort = GetFirstSort(searchCommand);
var count = searchCommand.Count;
if (count.HasValue)
{
//TODO: should we change count?
//count = Math.Min(searchCommand.Count.Value, MAX_PAGE_SIZE);
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_COUNT, count.ToString());
}
if (searchCommand.Sort.Any())
{
foreach (var(item1, sortOrder) in searchCommand.Sort)
{
selflink = selflink.AddParam(
SearchParams.SEARCH_PARAM_SORT,
$"{item1}:{(sortOrder == SortOrder.Ascending ? "asc" : "desc")}");
}
}
if (searchCommand.Include.Any())
{
selflink = selflink.AddParam(
SearchParams.SEARCH_PARAM_INCLUDE,
searchCommand.Include.Select(inc => inc.Item1).ToArray());
}
if (searchCommand.RevInclude.Any())
{
selflink = selflink.AddParam(
SearchParams.SEARCH_PARAM_REVINCLUDE,
searchCommand.RevInclude.Select(inc => inc.Item1).ToArray());
}
return(Snapshot.Create(
Bundle.BundleType.Searchset,
selflink,
keys,
sort,
count,
searchCommand.Include.Select(inc => inc.Item1).ToList(),
searchCommand.RevInclude.Select(inc => inc.Item1).ToList()));
}
public Snapshot CreateSnapshot(Uri selflink, IEnumerable <string> keys, SearchParams searchCommand)
{
string sort = GetFirstSort(searchCommand);
int?count = null;
if (searchCommand.Count.HasValue)
{
count = Math.Min(searchCommand.Count.Value, MAX_PAGE_SIZE);
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_COUNT, new string[] { count.ToString() });
}
if (string.IsNullOrEmpty(sort) == false)
{
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_SORT, new string[] { sort });
}
if (searchCommand.Include.Any())
{
selflink = selflink.AddParam(SearchParams.SEARCH_PARAM_INCLUDE, searchCommand.Include.ToArray());
}
return(CreateSnapshot(Bundle.BundleType.Searchset, selflink, keys, sort, count, searchCommand.Include));
}
private Uri BuildSnapshotPageLink(Uri baseurl, string snapshotId, int snapshotIndex)
{
return(baseurl
.AddParam(FhirParameter.SNAPSHOT_ID, snapshotId)
.AddParam(FhirParameter.SNAPSHOT_INDEX, snapshotIndex.ToString()));
}