public static get_complete_aggregation ( string AggregationCode, bool UseCache, |
||
AggregationCode | string | Code the requested aggregation |
UseCache | bool | Flag indicates if the cache should be checed and used to store the final product |
Tracer | ||
return |
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; } }
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; } }