public void Simple_Results_JSON(HttpResponse Response, List <string> UrlSegments, NameValueCollection QueryString, Microservice_Endpoint_Protocol_Enum Protocol, bool IsDebug)
{
Custom_Tracer tracer = new Custom_Tracer();
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_JSON", "Parse request to determine search requested");
// Get all the searh field necessary from the query string
Results_Arguments args = new Results_Arguments(QueryString);
// Additional results arguments
// limit number of results
int artificial_result_limitation = -1;
Boolean isNumeric = false;
if (!String.IsNullOrEmpty(QueryString["limit_results"]))
{
isNumeric = Int32.TryParse(QueryString["limit_results"], out artificial_result_limitation);
if (!isNumeric)
{
artificial_result_limitation = -1;
}
else if (artificial_result_limitation < 1)
{
artificial_result_limitation = -1;
}
}
int pagenum = 1;
if (!String.IsNullOrEmpty(QueryString["page"]))
{
isNumeric = Int32.TryParse(QueryString["page"], out pagenum);
if (!isNumeric)
{
pagenum = 1;
}
else if (pagenum < 1)
{
pagenum = 1;
}
else if (pagenum > 1)
{
artificial_result_limitation = -1;
}
}
// Was a collection indicated?
if (UrlSegments.Count > 0)
{
args.Aggregation = UrlSegments[0];
}
// Get the aggregation object (we need to know which facets to use, etc.. )
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_JSON", "Get the '" + args.Aggregation + "' item aggregation (for facets, etc..)");
Complete_Item_Aggregation aggr = AggregationServices.get_complete_aggregation(args.Aggregation, true, tracer);
// If no aggregation was returned, that is an error
if (aggr == null)
{
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_JSON", "Returned aggregation was NULL... aggregation code may not be valid");
if (IsDebug)
{
Response.ContentType = "text/plain";
Response.Output.WriteLine("DEBUG MODE DETECTED");
Response.Output.WriteLine();
Response.Output.WriteLine(tracer.Text_Trace);
return;
}
Response.ContentType = "text/plain";
Response.Output.WriteLine("Error occurred or aggregation '" + args.Aggregation + "' not valid");
Response.StatusCode = 500;
return;
}
// Perform the search
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_JSON", "Perform the search");
Search_Results_Statistics resultsStats;
List <iSearch_Title_Result> resultsPage;
ResultsEndpointErrorEnum error = Get_Search_Results(args, aggr, false, tracer, out resultsStats, out resultsPage);
// Was this in debug mode?
// If this was debug mode, then just write the tracer
if (IsDebug)
{
Response.ContentType = "text/plain";
Response.Output.WriteLine("DEBUG MODE DETECTED");
Response.Output.WriteLine();
Response.Output.WriteLine(tracer.Text_Trace);
return;
}
Response.Output.WriteLine("{\"stats\":{\"total_items\":\"" + resultsStats.Total_Items + "\",\"total_titles\":\"" + resultsStats.Total_Titles + "\"},");
Response.Output.WriteLine(" \"results\":[");
// Map to the results object title / item
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_JSON", "Map to the results object title / item");
int items_counter = 0;
int resultnum = 0;
if (resultsPage != null)
{
foreach (iSearch_Title_Result thisResult in resultsPage)
{
// Every results should have an item
if (thisResult.Item_Count == 0)
{
continue;
}
else
{
resultnum++;
}
if (artificial_result_limitation != -1 && resultnum > artificial_result_limitation)
{
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML", "Reached limit [" + artificial_result_limitation + "].");
break;
}
// Was this NOT the first item?
if (items_counter > 0)
{
Response.Output.WriteLine(",");
}
Response.Output.Write(" ");
items_counter++;
// add each descriptive field over
iSearch_Item_Result itemResult = thisResult.Get_Item(0);
string bibid = thisResult.BibID;
string title = thisResult.GroupTitle;
string vid = itemResult.VID;
string thumbnail = itemResult.MainThumbnail;
// {"bibid":"1212", "vid":"00001", "title":"sdsd", "subjects":["subj1", "subj2", "subj3"] },
Response.Output.Write("{ \"bibid\":\"" + bibid + "\", \"vid\":\"" + vid + "\", ");
Response.Output.Write("\"title\":\"" + HttpUtility.HtmlEncode(title) + "\",");
Response.Output.Write("\"url_item\":\"" + Engine_ApplicationCache_Gateway.Settings.Servers.Application_Server_URL + bibid + "/" + vid + "/\",");
Response.Output.Write("\"url_thumbnail\":\"" + Engine_ApplicationCache_Gateway.Settings.Servers.Image_URL +
SobekFileSystem.AssociFilePath(bibid, vid).Replace("\\", "/") + thumbnail + "\"");
int field_index = 0;
if (resultsStats.Metadata_Labels.Count > 0)
{
foreach (string metadataTerm in resultsStats.Metadata_Labels)
{
if (!String.IsNullOrWhiteSpace(thisResult.Metadata_Display_Values[field_index]))
{
// how to display this metadata field?
string metadataTermDisplay = metadataTerm;
string termString = thisResult.Metadata_Display_Values[field_index];
Response.Output.Write(",\"" + metadataTermDisplay + "\":[");
int individual_term_counter = 0;
if (termString.IndexOf("|") > 0)
{
string[] splitter = termString.Split("|".ToCharArray());
foreach (string thisSplit in splitter)
{
if (!String.IsNullOrWhiteSpace(thisSplit))
{
if (individual_term_counter > 0)
{
Response.Output.Write(", \"" + HttpUtility.HtmlEncode(thisSplit.Trim()) + "\"");
}
else
{
Response.Output.Write("\"" + HttpUtility.HtmlEncode(thisSplit.Trim()) + "\"");
}
individual_term_counter++;
}
}
}
else
{
Response.Output.Write("\"" + HttpUtility.HtmlEncode(termString.Trim()) + "\"");
}
Response.Output.Write("]");
}
field_index++;
}
}
Response.Output.Write("}");
}
}
Response.Output.WriteLine();
Response.Output.WriteLine(" ]");
Response.Output.WriteLine("} ");
// If an error occurred, return the error
switch (error)
{
case ResultsEndpointErrorEnum.Database_Exception:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Database exception");
Response.StatusCode = 500;
return;
case ResultsEndpointErrorEnum.Database_Timeout_Exception:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Database timeout");
Response.StatusCode = 500;
return;
case ResultsEndpointErrorEnum.Solr_Exception:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Solr exception");
Response.StatusCode = 500;
return;
case ResultsEndpointErrorEnum.Unknown:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Unknown error");
Response.StatusCode = 500;
return;
}
}
/// <summary> Get just the search statistics information for a search or browse </summary>
/// <param name="Response"></param>
/// <param name="UrlSegments"></param>
/// <param name="QueryString"></param>
/// <param name="Protocol"></param>
/// <param name="IsDebug"></param>
public void AGGCOUNTS_Results_XML(HttpResponse Response, List <string> UrlSegments, NameValueCollection QueryString, Microservice_Endpoint_Protocol_Enum Protocol, bool IsDebug)
{
double started = DateTimeToUnixTimestamp(DateTime.Now);
double ended;
Results_Arguments args = new Results_Arguments(QueryString);
String url, data, dataaggs, code, name, isActive, isHidden, id, type;
XmlDocument doc, docaggs;
XmlNodeList nodes;
XmlNode solrnode;
XmlAttributeCollection attrs;
DataSet tempSet = null, darkSet = null, aliasesSet = null;
DataTable aggregations, darkAggregations, aliases;
int idx = 0;
short mask = 0;
long count = 0;
int errorcount = 0;
Response.Output.WriteLine("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>");
//Response.Output.WriteLine("<!-- connection string is " + SecurityElement.Escape(Engine_Database.Connection_String) + "]. -->");
url = "http://dis.lib.usf.edu:8080/documents/select/?q=%28*:*%29&rows=0&facet=true&facet.field=aggregation_code&facet.limit=-1";
System.Net.WebClient wc = new System.Net.WebClient();
byte[] raw = wc.DownloadData(url);
dataaggs = System.Text.Encoding.UTF8.GetString(raw);
//dataaggs = dataaggs.Replace("<response>", "<response xmlns=\"http://dummy.solr.org/dummy\">");
//Response.Output.WriteLine("<!-- got " + dataaggs.Length + " bytes from solr -->");
docaggs = new XmlDocument();
try
{
docaggs.LoadXml(dataaggs);
//Response.Output.WriteLine("<!-- loaded xml into docaggs successfully. -->");
}
catch (XmlException e)
{
docaggs = null;
//Response.Output.WriteLine("<!-- xmlexception trying to load solr xml into docaggs-->");
}
Dictionary <String, String> solraggs = new Dictionary <String, String>();
byte[] byteArray = Encoding.ASCII.GetBytes(dataaggs);
//Response.Output.WriteLine("<!-- " + byteArray.Length + " elements in byteArray -->");
MemoryStream stream = new MemoryStream(byteArray);
//Response.Output.WriteLine("<!-- " + stream.Length + " bytes in stream -->");
XElement root = XElement.Load(stream);
if (root.HasElements)
{
//Response.Output.WriteLine("<!-- root has elements -->");
}
else
{
//Response.Output.WriteLine("<!-- root has NO elements -->");
}
IEnumerable <XElement> aggs =
from agg in root.Descendants("int")
select agg;
//Response.Output.WriteLine("<!-- aggCount=" + aggs.Count() + " -->");
String myvalue;
if (aggs.Count() > 0)
{
idx = 0;
foreach (XElement agg in aggs)
{
idx++;
try
{
myvalue = agg.Value;
}
catch (Exception e)
{
myvalue = "0";
}
try
{
//Response.Output.WriteLine("<!-- agg " + idx + ". " + agg.Attribute("name").Value.ToLower() + "=" + myvalue + " -->");
solraggs.Add(agg.Attribute("name").Value.ToString().ToLower(), myvalue);
}
catch (Exception e)
{
//Response.Output.WriteLine("<!-- exception trying to display or add to solraggs [" + e.Message + "] -->");
}
}
//Response.Output.WriteLine("<!-- solraggs has " + solraggs.Count + " entries -->");
}
/*
* try
* {
* int idxelements = 0;
*
* foreach (XElement myelement in XElement.Load(stream).Elements("lst"))
* {
* idxelements++;
*
* Response.Output.WriteLine("<!-- myelement@name=" + myelement.Attribute("name").Value + " -->");
*
* if (myelement.Attribute("name").Value == "facet_counts")
* {
* foreach (XElement mysubelement in myelement.Elements("int"))
* {
* Response.Output.WriteLine("<!-- mysubelement: " + mysubelement.Attribute("name").Value + " -->");
*
* solraggs.Add(new KeyValuePair<String, String>(mysubelement.Attribute("name").Value.ToString(), mysubelement.Value.ToString()));
*
* }
* }
* }
*
* Response.Output.WriteLine("<!-- idxelements=" + idxelements + " -->");
* }
* catch (Exception e)
* {
* Response.Output.WriteLine("<!-- exception trying to get solraggs [" + e.Message + "]:[" + e.StackTrace + "] -->");
* solraggs = null;
* }
*
* if (solraggs==null)
* {
* Response.Output.WriteLine("<!-- solraggs was null -->");
* }
* else
* {
* Response.Output.WriteLine("<!-- solraggs count=" + solraggs.Count + " -->");
* }
*
* if (solraggs!=null && solraggs.Count>0)
* {
* Response.Output.WriteLine("<!-- there are " + solraggs.Count + " in solraggs list -->");
*
* foreach (KeyValuePair<String,String> agg in solraggs)
* {
* Response.Output.WriteLine("<!-- " + agg.Key + "=" + agg.Value + " -->");
* }
* }
* else
* {
* Response.Output.WriteLine("<!-- solraggs was null or had no count -->");
* }
*
*/
try
{
EalDbParameter[] paramList = new EalDbParameter[2];
tempSet = EalDbAccess.ExecuteDataset(EalDbTypeEnum.MSSQL, Engine_Database.Connection_String, CommandType.StoredProcedure, "SobekCM_Get_Item_Aggregation_Status_Counts", paramList);
//Response.Output.WriteLine("<!-- tempSet has " + tempSet.Tables.Count + " tables. -->");
//Response.Output.WriteLine("<!-- tempSet table 0 has " + tempSet.Tables[0].Rows.Count + " rows -->");
aggregations = tempSet.Tables[0];
}
catch (Exception e)
{
aggregations = null;
Response.Output.WriteLine("<!-- " + e.Message + " -->");
}
// darkSet
try
{
EalDbParameter[] paramList = new EalDbParameter[2];
darkSet = EalDbAccess.ExecuteDataset(EalDbTypeEnum.MSSQL, Engine_Database.Connection_String, CommandType.StoredProcedure, "SobekCM_Get_Item_Aggregation_Dark_Counts", paramList);
//Response.Output.WriteLine("<!-- tempSet has " + tempSet.Tables.Count + " tables. -->");
//Response.Output.WriteLine("<!-- tempSet table 0 has " + tempSet.Tables[0].Rows.Count + " rows -->");
darkAggregations = darkSet.Tables[0];
}
catch (Exception e)
{
darkAggregations = null;
Response.Output.WriteLine("<!-- " + e.Message + " -->");
}
//aliasSet
try
{
EalDbParameter[] paramList = new EalDbParameter[2];
aliasesSet = EalDbAccess.ExecuteDataset(EalDbTypeEnum.MSSQL, Engine_Database.Connection_String, CommandType.StoredProcedure, "SobekCM_Get_Item_Aggregation_Aliases", paramList);
aliases = aliasesSet.Tables[0];
}
catch (Exception e)
{
aliases = null;
Response.Output.WriteLine("<!-- exception trying to get aliasesSet [" + e.Message + "] -->");
}
url = Engine_ApplicationCache_Gateway.Settings.Servers.Application_Server_URL + "/engine/aggregations/all/xml";
wc = new System.Net.WebClient();
raw = wc.DownloadData(url);
data = System.Text.Encoding.UTF8.GetString(raw);
doc = new XmlDocument();
doc.LoadXml(data);
nodes = doc.SelectNodes("//Item_Aggregation_Related_Aggregations");
idx = 0;
Response.Output.WriteLine("<results date=\"" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "\" count=\"" + nodes.Count + "\">");
foreach (XmlNode node in nodes)
{
idx++;
attrs = node.Attributes;
code = attrs["code"].Value.ToLower();
name = attrs["name"].Value;
isActive = attrs["isActive"].Value;
isHidden = attrs["isHidden"].Value;
id = attrs["id"].Value;
type = attrs["type"].Value;
Response.Output.Write("<result rownum=\"" + idx + "\" code=\"" + code + "\" name=\"" + SecurityElement.Escape(name) + "\" id=\"" + id + "\" type=\"" + type + "\" isActive=\"" + isActive + "\" isHidden=\"" + isHidden + "\" ");
IEnumerable <DataRow> query =
from aggregation in aggregations.AsEnumerable()
select aggregation;
IEnumerable <DataRow> thisagg =
query.Where(p => p.Field <string>("code").Equals(code));
foreach (DataRow p in thisagg)
{
//Response.Output.WriteLine("<counts code=\"" + p.Field<String>("code") + "\">");
try
{
try
{
mask = p.Field <short>("mask");
}
catch (Exception e)
{
mask = 999;
}
try
{
//Response.Output.WriteLine(" mycount=\"" + p["count"].ToString() + "\" ");
count = long.Parse(p["count"].ToString());
}
catch (Exception e)
{
count = 32767;
errorcount++;
Response.Output.Write("error" + errorcount + "=\"" + e.Message + " [" + SecurityElement.Escape(e.StackTrace) + "]\" ");
}
if (mask == 0)
{
Response.Output.Write("count_public=\"" + count + "\" ");
}
else if (mask == -1)
{
Response.Output.Write("count_private=\"" + count + "\" ");
}
else
{
Response.Output.Write("count_mask" + Math.Abs(mask) + "=\"" + count + "\" ");
}
}
catch (Exception e)
{
errorcount++;
Response.Output.Write(" error" + errorcount + "=\"mask or count retrieval issue - " + e.Message + " [" + SecurityElement.Escape(e.StackTrace) + "]\" ");
}
}
// dark
query =
from dark in darkAggregations.AsEnumerable()
select dark;
thisagg = query.Where(p => p.Field <string>("code").Equals(code));
foreach (DataRow p in thisagg)
{
Response.Output.Write("count_dark=\"" + p["count"] + "\" ");
}
try
{
// aliases
query =
from alias in aliases.AsEnumerable()
select alias;
IEnumerable <DataRow> thisaliases = query.Where(p => p.Field <string>("Code").Equals(code));
String cids = "";
foreach (DataRow p in thisaliases)
{
cids += p["AggregationAlias"].ToString().ToUpper() + ",";
}
if (cids.Length > 0)
{
cids = cids.Substring(0, cids.Length - 1);
if (cids.Length > 3)
{
Response.Output.Write("aliases=");
}
else
{
Response.Output.Write("alias=");
}
Response.Output.Write("\"" + cids + "\" ");
}
else
{
Response.Output.Write("alias=\"NONE\" ");
}
}
catch (Exception e)
{
errorcount++;
Response.Output.Write("error" + errorcount + "=\"trying to get cids [" + e.Message + "]\" ");
}
try
{
// >xpath("//lst[@name='aggregation_code']/int");
/*
* solrnode = docaggs.SelectSingleNode("//results/lst[@name='facet_counts']/lst[@name='facet_fields']/lst[@name='aggregation_code']/int[@name='" + code.ToUpper() + "']/text()");
*
* if (solrnode != null)
* {
* Response.Output.WriteLine(" indexed=\"" + solrnode.Value + "\" ");
* }
* else
* {
* errorcount++;
* Response.Output.WriteLine(" error" + errorcount + "=\"solrnode was null\" ");
* }
*/
String indexedcount = solraggs[code];
Response.Output.Write("count_indexed=\"" + indexedcount + "\" ");
}
catch (Exception e)
{
errorcount++;
Response.Output.Write("count_indexed=\"0\" ");
}
Response.Output.Write("/>\r\n");
}
Response.Output.WriteLine("</results>");
ended = DateTimeToUnixTimestamp(DateTime.Now);
Response.Output.WriteLine("<!-- generated in " + (ended - started) + " seconds. -->");
}
public void Simple_Results_XML(HttpResponse Response, List <string> UrlSegments, NameValueCollection QueryString, Microservice_Endpoint_Protocol_Enum Protocol, bool IsDebug)
{
// Local trace
Custom_Tracer tracer = new Custom_Tracer();
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML");
// Get all the searh field necessary from the query string
Results_Arguments args = new Results_Arguments(QueryString);
// Additional results arguments
// limit number of results
int artificial_result_limitation = -1;
Boolean isNumeric = false;
if (!String.IsNullOrEmpty(QueryString["limit_results"]))
{
isNumeric = Int32.TryParse(QueryString["limit_results"], out artificial_result_limitation);
if (!isNumeric)
{
artificial_result_limitation = -1;
}
else if (artificial_result_limitation < 1)
{
artificial_result_limitation = -1;
}
}
int pagenum = 1;
if (!String.IsNullOrEmpty(QueryString["page"]))
{
isNumeric = Int32.TryParse(QueryString["page"], out pagenum);
if (!isNumeric)
{
pagenum = 1;
}
else if (pagenum < 1)
{
pagenum = 1;
}
else if (pagenum > 1)
{
artificial_result_limitation = -1;
}
}
// Was a collection indicated?
if (UrlSegments.Count > 0)
{
args.Aggregation = UrlSegments[0];
}
// Get the aggregation object (we need to know which facets to use, etc.. )
tracer.Add_Trace("SimpleResultsEndpoints.Get_Search_Results_Set", "Get the '" + args.Aggregation + "' item aggregation (for facets, etc..)");
Complete_Item_Aggregation aggr = AggregationServices.get_complete_aggregation(args.Aggregation, true, tracer);
// If no aggregation was returned, that is an error
if (aggr == null)
{
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML", "Returned aggregation was NULL... aggregation code may not be valid");
if (IsDebug)
{
Response.ContentType = "text/plain";
Response.Output.WriteLine("DEBUG MODE DETECTED");
Response.Output.WriteLine();
Response.Output.WriteLine(tracer.Text_Trace);
return;
}
Response.ContentType = "text/plain";
Response.Output.WriteLine("Error occurred or aggregation '" + args.Aggregation + "' not valid");
Response.StatusCode = 500;
return;
}
// Perform the search
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML", "Perform the search");
Search_Results_Statistics resultsStats;
List <iSearch_Title_Result> resultsPage;
ResultsEndpointErrorEnum error = Get_Search_Results(args, aggr, false, tracer, out resultsStats, out resultsPage);
// Was this in debug mode?
// If this was debug mode, then just write the tracer
if (IsDebug)
{
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML", "Debug mode detected");
Response.ContentType = "text/plain";
Response.Output.WriteLine("DEBUG MODE DETECTED");
Response.Output.WriteLine();
Response.Output.WriteLine(tracer.Text_Trace);
return;
}
try
{
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML", "Begin writing the XML result to the response");
Response.Output.WriteLine("<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"no\" ?>");
int count_pages = (int)Math.Floor((double)resultsStats.Total_Items / 20);
if (count_pages == 0)
{
count_pages = 1;
}
if (pagenum > count_pages)
{
pagenum = count_pages;
}
Response.Output.WriteLine("<results total_items=\"" + resultsStats.Total_Items + "\" total_titles=\"" + resultsStats.Total_Titles + "\" page_count=\"" + count_pages + "\" max_results_per_page=\"20\"");
if (artificial_result_limitation != -1)
{
Response.Output.WriteLine("limit_results=\"" + artificial_result_limitation + "\"");
}
Response.Output.WriteLine(">");
// Map to the results object title / item
tracer.Add_Trace("SimpleResultsEndpoints.Get_Search_Results_Set", "Map to the results object title / item");
// resultnum
int resultnum = 0;
if (pagenum > 1)
{
resultnum = ((pagenum - 1) * 20);
}
if (resultsPage != null)
{
foreach (iSearch_Title_Result thisResult in resultsPage)
{
// Every results should have an item
if (thisResult.Item_Count == 0)
{
continue;
}
else
{
resultnum++;
}
if (artificial_result_limitation != -1 && resultnum > artificial_result_limitation)
{
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML", "Reached limit [" + artificial_result_limitation + "].");
break;
}
// add each descriptive field over
iSearch_Item_Result itemResult = thisResult.Get_Item(0);
string bibid = thisResult.BibID;
string title = thisResult.GroupTitle;
string vid = itemResult.VID;
string thumbnail = itemResult.MainThumbnail;
Response.Output.WriteLine(" <result resultnum=\"" + resultnum + "\" bibid=\"" + bibid + "\" vid=\"" + vid + "\">");
Response.Output.WriteLine(" <title>" + HttpUtility.HtmlEncode(title) + "</title>");
Response.Output.WriteLine(" <url_item>" + Engine_ApplicationCache_Gateway.Settings.Servers.Application_Server_URL + bibid + "/" + vid + "/</url_item>");
if (!String.IsNullOrEmpty(thumbnail))
{
try
{
Response.Output.WriteLine(" <url_thumbnail>" + Engine_ApplicationCache_Gateway.Settings.Servers.Image_URL +
SobekFileSystem.AssociFilePath(bibid, vid).Replace("\\", "/") + thumbnail.Trim() + "</url_thumbnail>");
}
catch (Exception ee)
{
Response.Output.WriteLine("ERROR WRITING THUMBNAIL");
Response.Output.WriteLine(ee.Message);
Response.Output.WriteLine(ee.StackTrace);
}
}
int field_index = 0;
if (resultsStats.Metadata_Labels.Count > 0)
{
Response.Output.WriteLine("<metadata>");
foreach (string metadataTerm in resultsStats.Metadata_Labels)
{
if (!String.IsNullOrWhiteSpace(thisResult.Metadata_Display_Values[field_index]))
{
// how to display this metadata field?
string metadataTermDisplay = metadataTerm;
string termString = thisResult.Metadata_Display_Values[field_index];
if (termString.IndexOf("|") > 0)
{
string[] splitter = termString.Split("|".ToCharArray());
foreach (string thisSplit in splitter)
{
if (!String.IsNullOrWhiteSpace(thisSplit))
{
Response.Output.WriteLine(" <" + metadataTermDisplay + ">" + HttpUtility.HtmlEncode(thisSplit.Trim()) + "</" + metadataTermDisplay + ">");
}
}
}
else
{
Response.Output.WriteLine(" <" + metadataTermDisplay + ">" + HttpUtility.HtmlEncode(termString.Trim()) + "</" + metadataTermDisplay + ">");
}
}
field_index++;
}
Response.Output.WriteLine("</metadata>");
}
Response.Output.WriteLine(" </result>");
}
}
Response.Output.WriteLine("</results>");
tracer.Add_Trace("SimpleResultsEndpoints.Simple_Results_XML", "Done writing the XML result to the response");
}
catch (Exception ee)
{
Response.Output.Write(ee.Message);
Response.Output.Write(ee.StackTrace);
}
// If an error occurred, return the error
switch (error)
{
case ResultsEndpointErrorEnum.Database_Exception:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Database exception");
Response.StatusCode = 500;
return;
case ResultsEndpointErrorEnum.Database_Timeout_Exception:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Database timeout");
Response.StatusCode = 500;
return;
case ResultsEndpointErrorEnum.Solr_Exception:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Solr exception");
Response.StatusCode = 500;
return;
case ResultsEndpointErrorEnum.Unknown:
Response.ContentType = "text/plain";
Response.Output.WriteLine("Unknown error");
Response.StatusCode = 500;
return;
}
// If debug, show the trace
if (IsDebug)
{
Response.ContentType = "text/plain";
Response.Output.WriteLine("DEBUG MODE DETECTED");
Response.Output.WriteLine();
Response.Output.WriteLine(tracer.Text_Trace);
return;
}
}
