/// <summary> Store the MARC record object related to a digital resource on the cache </summary>
/// <param name="BibID"> Bibliographic Identifier for the digital resource to store </param>
/// <param name="VID"> Volume Identifier for the digital resource to store </param>
/// <param name="StoreObject"> EAD information for a digital Resource object to store for later retrieval </param>
/// <param name="Tracer"> Trace object keeps a list of each method executed and important milestones in rendering</param>
public void Store_MARC_Record(string BibID, string VID, MARC_Transfer_Record StoreObject, Custom_Tracer Tracer)
{
// If the cache is disabled, just return before even tracing
if (settings.Disabled)
return;
// Determine the key
string key = "ITEM_" + BibID + "_" + VID + "_MarcRecord";
const int LENGTH_OF_TIME = 3;
if (Tracer != null)
{
Tracer.Add_Trace("CachedDataManager_ItemServices.Store_MARC_Record", "Adding object '" + key + "' to the local cache with expiration of " + LENGTH_OF_TIME + " minute");
}
HttpContext.Current.Cache.Insert(key, StoreObject, null, Cache.NoAbsoluteExpiration, TimeSpan.FromMinutes(LENGTH_OF_TIME));
}
/// <summary> Gets the item's marc record in object format for serialization/deserialization </summary>
/// <param name="Response"></param>
/// <param name="UrlSegments"></param>
/// <param name="QueryString"></param>
/// <param name="Protocol"></param>
/// <param name="IsDebug"></param>
public void GetItemMarcRecord(HttpResponse Response, List<string> UrlSegments, NameValueCollection QueryString, Microservice_Endpoint_Protocol_Enum Protocol, bool IsDebug)
{
if (UrlSegments.Count > 0)
{
Custom_Tracer tracer = new Custom_Tracer();
string bibid = UrlSegments[0];
string vid = "00001";
if (UrlSegments.Count > 1)
vid = UrlSegments[1];
tracer.Add_Trace("ItemServices.GetItemMarcRecord", "Requested MARC record for " + bibid + ":" + vid);
// Get the current item first
SobekCM_Item sobekItem = getSobekItem(bibid, vid, tracer);
// If null, return
if (sobekItem == null)
{
tracer.Add_Trace("ItemServices.GetItemMarcRecord", "Unable to retrieve the indicated digital resource ( " + bibid + ":" + vid + " )");
Response.ContentType = "text/plain";
Response.StatusCode = 500;
Response.Output.WriteLine("Unable to retrieve the indicated digital resource ( " + bibid + ":" + vid + " )");
Response.Output.WriteLine();
// If this was debug mode, then just write the tracer
if (IsDebug)
{
Response.Output.WriteLine("DEBUG MODE DETECTED");
Response.Output.WriteLine();
Response.Output.WriteLine(tracer.Text_Trace);
}
return;
}
// Create the options dictionary used when saving information to the database, or writing MarcXML
string cataloging_source_code = String.Empty;
string location_code = String.Empty;
string reproduction_agency = String.Empty;
string reproduction_place = String.Empty;
string system_name = String.Empty;
string system_abbreviation = String.Empty;
// Pull any settings that exist
if (Engine_ApplicationCache_Gateway.Settings.MarcGeneration != null)
{
if (!String.IsNullOrEmpty(Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Cataloging_Source_Code))
cataloging_source_code = Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Cataloging_Source_Code;
if (!String.IsNullOrEmpty(Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Location_Code))
location_code = Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Location_Code;
if (!String.IsNullOrEmpty(Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Reproduction_Agency))
reproduction_agency = Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Reproduction_Agency;
if (!String.IsNullOrEmpty(Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Reproduction_Place))
reproduction_place = Engine_ApplicationCache_Gateway.Settings.MarcGeneration.Reproduction_Place;
}
if (!String.IsNullOrEmpty(Engine_ApplicationCache_Gateway.Settings.System.System_Name))
system_name = Engine_ApplicationCache_Gateway.Settings.System.System_Name;
if (!String.IsNullOrEmpty(Engine_ApplicationCache_Gateway.Settings.System.System_Abbreviation))
system_abbreviation = Engine_ApplicationCache_Gateway.Settings.System.System_Abbreviation;
// Get the base URL for the thumbnails
string thumbnail_base = Engine_ApplicationCache_Gateway.Settings.Servers.Base_URL;
// Get all the standard tags
tracer.Add_Trace("ItemServices.GetItemMarcRecord", "Creating marc record from valid sobekcm item");
MARC_Record tags = sobekItem.To_MARC_Record(cataloging_source_code, location_code, reproduction_agency, reproduction_place, system_name, system_abbreviation, thumbnail_base);
// Now, convert the MARC record from the resource library over to the transfer objects
MARC_Transfer_Record transferRecord = new MARC_Transfer_Record();
if (tags != null)
{
tracer.Add_Trace("ItemServices.GetItemMarcRecord", "Mapping from marc record to transfer marc record");
// Copy over the basic stuff
transferRecord.Control_Number = tags.Control_Number;
transferRecord.Leader = tags.Leader;
// Copy over the fields
List<MARC_Field> fields = tags.Sorted_MARC_Tag_List;
foreach (MARC_Field thisField in fields)
{
MARC_Transfer_Field transferField = new MARC_Transfer_Field
{
Tag = thisField.Tag,
Indicator1 = thisField.Indicator1,
Indicator2 = thisField.Indicator2
};
if (!String.IsNullOrEmpty(thisField.Control_Field_Value))
transferField.Control_Field_Value = thisField.Control_Field_Value;
if (thisField.Subfield_Count > 0)
{
ReadOnlyCollection<MARC_Subfield> subfields = thisField.Subfields;
foreach (MARC_Subfield thisSubfield in subfields)
{
transferField.Add_Subfield(thisSubfield.Subfield_Code, thisSubfield.Data);
}
}
// Add this transfer field to the transfer record
transferRecord.Add_Field(transferField);
}
}
else
{
tracer.Add_Trace("ItemServices.GetItemMarcRecord", "MARC record returned was NULL");
}
// 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;
}
// Get the JSON-P callback function
string json_callback = "parseMarcRecord";
if ((Protocol == Microservice_Endpoint_Protocol_Enum.JSON_P) && (!String.IsNullOrEmpty(QueryString["callback"])))
{
json_callback = QueryString["callback"];
}
// Use the base class to serialize the object according to request protocol
Serialize(transferRecord, Response, Protocol, json_callback);
}
}
