/*
* This class demonstrates the interleaving of search transactions.
*/
static void Main(string[] args)
{
Options options = new Options();
if (!options.Parse(args))
{
Environment.Exit(1);
}
RetsSession session = options.SessionFactory();
try {
if (!session.Login(options.user_name, options.user_password))
{
Console.WriteLine("Invalid login");
Environment.Exit(1);
}
} catch (Exception e)
{
Console.WriteLine("RetsException: " + e);
Environment.Exit(1);
}
RetsVersion version = session.GetDetectedRetsVersion();
Console.WriteLine("RETS Version: " +
((version == RetsVersion.RETS_1_5) ? "1.5" :
((version == RetsVersion.RETS_1_7) ? "1.7" : "1.0")));
/*
* Find the key field for the resource.
*/
RetsMetadata metadata = session.GetMetadata();
MetadataResource metadataResource = metadata.GetResource(options.search_type);
if (metadataResource == null)
{
Console.WriteLine("Invalid resource: " + options.search_type);
session.Logout();
Environment.Exit(1);
}
string keyField = metadataResource.GetKeyField();
/*
* Find the timestamp field if it is known (RETS 1.7 and later). If
* not known, then the user must provide it.
*/
MetadataClass metadataClass = metadata.GetClass(options.search_type, options.search_class);
if (metadataClass == null)
{
Console.WriteLine("Invalid resource:class: " + options.search_type + ":" + options.search_class);
session.Logout();
Environment.Exit(2);
}
if (options.classTimeStamp != null && options.classTimeStamp.Length == 0)
{
options.classTimeStamp = metadataClass.GetStringAttribute("ClassTimeStamp");
}
if (options.classTimeStamp == null || options.classTimeStamp.Length == 0)
{
Console.WriteLine("Class " + options.search_type +
":" + options.search_class +
" has no ClassTimeStamp specified in the metadata.");
Console.WriteLine("Please manually provide one using the --timetsamp switch.");
session.Logout();
Environment.Exit(2);
}
/*
* See if the last modified timestamp has been provided. If not, use yesterday.
*/
if (options.lastModified == null || options.lastModified.Length == 0)
{
DateTime ts = DateTime.Now;
options.lastModified = ts.AddDays(-1).ToString("yyyy-MM-dd");
}
/*
* OK - let's find all listings that have changed since the lastModified date.
*/
SearchRequest searchRequest = session.CreateSearchRequest(
options.search_type,
options.search_class,
"(" +
options.classTimeStamp.ToString() +
"=" +
options.lastModified.ToString() +
"+)");
searchRequest.SetSelect(keyField);
searchRequest.SetLimit(SearchRequest.LIMIT_NONE);
searchRequest.SetOffset(SearchRequest.OFFSET_NONE);
searchRequest.SetCountType(SearchRequest.CountType.RECORD_COUNT_AND_RESULTS);
searchRequest.SetStandardNames(false);
/*
* This starts the outer search.
*/
SearchResultSet results = session.Search(searchRequest);
Console.WriteLine("Record count: " + results.GetCount());
Console.WriteLine();
while (results.HasNext())
{
/*
* Fetch the listing detail and media. This will cause a separate search transaction
* to be open within the outer search transaction.
*/
SearchRequest listingRequest = session.CreateSearchRequest(
options.search_type,
options.search_class,
"(" +
keyField +
"=" +
results.GetString(keyField) +
")");
listingRequest.SetStandardNames(false);
listingRequest.SetLimit(SearchRequest.LIMIT_DEFAULT);
listingRequest.SetOffset(SearchRequest.OFFSET_NONE);
listingRequest.SetCountType(SearchRequest.CountType.NO_RECORD_COUNT);
listingRequest.SetFormatType(SearchRequest.FormatType.COMPACT);
SearchResultSet listingResult = session.Search(listingRequest);
IEnumerable columns = null;
while (listingResult.HasNext())
{
if (columns == null)
{
columns = listingResult.GetColumns();
}
/*
* Show the listing detail.
*/
foreach (string column in columns)
{
Console.WriteLine("{0,15}: {1}", column, listingResult.GetString(column));
}
Console.WriteLine();
/*
* Now set up to fetch the objects associated with this listing.
*/
GetObjectRequest getObjectRequest = new GetObjectRequest(options.search_type, "Photo");
getObjectRequest.AddAllObjects(listingResult.GetString(keyField));
GetObjectResponse getObjectResponse = session.GetObject(getObjectRequest);
foreach (ObjectDescriptor objectDescriptor in getObjectResponse)
{
/*
* Report the object details.
*/
string objectKey = objectDescriptor.GetObjectKey();
int objectId = objectDescriptor.GetObjectId();
//string contentType = objectDescriptor.GetContentType();
string description = objectDescriptor.GetDescription();
Console.Write("Object " + objectKey + ":" + objectId.ToString());
if (description.Length > 0)
{
Console.Write(", description: " + description);
}
Console.WriteLine();
}
Console.WriteLine("=================");
}
}
session.Logout();
}
