private void AddNewDocumentGroup(
XmlDocumentGroup xmlDocumentGroup,
UploadDocumentGroup uploadDocumentGroup,
Dictionary<string, MemoryStream> documentsData)
{
DocumentGroup newDocumentGroup = new DocumentGroup();
newDocumentGroup.CrawlerId = this.db.GetOrCreateCrawlerId(xmlDocumentGroup.Crawler);
newDocumentGroup.Identifier = xmlDocumentGroup.Identifier;
newDocumentGroup.DocumentGroupName = xmlDocumentGroup.FileName;
newDocumentGroup.DocumentGroupFormat = xmlDocumentGroup.Format;
newDocumentGroup.Lang = xmlDocumentGroup.Lang;
newDocumentGroup.Operation = (int)xmlDocumentGroup.Operation;
newDocumentGroup.DocumentGroupDate = xmlDocumentGroup.Date;
// Byte Array Data
newDocumentGroup.DataContent = uploadDocumentGroup.Data;
List<Document> documents = this.AddDocuments(xmlDocumentGroup.Document, documentsData);
foreach (Document document in documents)
{
newDocumentGroup.Documents.Add(document);
}
this.db.AddDocumentGroup(newDocumentGroup);
}
/// <summary>
/// Method that is used to upload XmlDocumentGroup to web service
/// </summary>
/// <param name="uploadDocumentGroup">Complex type XmlDocumentGroup</param>
/// <returns>- If there is no errors the return string is "Ok"
/// - If error the return string will be in following format:
/// Error: <error description>
/// </returns>
public string UploadFile(UploadDocumentGroup uploadDocumentGroup)
{
CrawlerLog crawlerLog = new CrawlerLog();
try
{
RemoteEndpointMessageProperty msg = null;
if (OperationContext.Current != null)
{
msg = OperationContext.Current.IncomingMessageProperties[RemoteEndpointMessageProperty.Name] as RemoteEndpointMessageProperty;
crawlerLog.IpAddress = msg.Address;
}
else
{
crawlerLog.IpAddress = "localhost";
}
crawlerLog.IsSuccess = false;
crawlerLog.LogDate = DateTime.Now;
crawlerLog.MetaXml = uploadDocumentGroup.MetaInfo;
// ValidateDeserializeXml
this.isValidXml = true;
this.validationErrorLog.Clear();
this.XmlValidate(uploadDocumentGroup.MetaInfo);
if (!this.isValidXml)
{
return this.validationErrorLog.ToString();
}
XmlDocumentGroup xmlDocumentGroup = null;
XmlSerializer deserializer = new XmlSerializer(typeof(XmlDocumentGroup));
using (TextReader textReader = new StringReader(uploadDocumentGroup.MetaInfo))
{
xmlDocumentGroup = (XmlDocumentGroup)deserializer.Deserialize(textReader);
}
crawlerLog.Identifier = xmlDocumentGroup.Identifier;
crawlerLog.Operation = (int)xmlDocumentGroup.Operation;
crawlerLog.CrawlerName = xmlDocumentGroup.Crawler;
// ValidateReadZip
Dictionary<string, MemoryStream> documentsData = new Dictionary<string, MemoryStream>();
if (xmlDocumentGroup.Operation != Operation.Del)
{
if (uploadDocumentGroup.Data == null || uploadDocumentGroup.Data.Length == 0)
{
this.validationErrorLog.Append("Error: Validation Exception - ZipData length is zero or ZipData is NULL, document idenfier: " + xmlDocumentGroup.Identifier + " and Operation: " + xmlDocumentGroup.Operation);
return this.validationErrorLog.ToString();
}
else
{
crawlerLog.ZipLength = uploadDocumentGroup.Data.Length;
documentsData = this.UnZipToMemory(uploadDocumentGroup.Data);
}
}
// AddUpdDel
var documentGroupIdentifier = this.db.GetIdentifier(xmlDocumentGroup.Identifier);
if (xmlDocumentGroup.Operation == Operation.Add)
{
if (string.IsNullOrEmpty(documentGroupIdentifier))
{
// Add new XmlDocumentGroup
this.AddNewDocumentGroup(xmlDocumentGroup, uploadDocumentGroup, documentsData);
}
else
{
this.validationErrorLog.Append("Error: Validation Exception - There is a document identifier: " + xmlDocumentGroup.Identifier + " You can't use Оperation: " + xmlDocumentGroup.Operation);
return this.validationErrorLog.ToString();
}
}
else if (xmlDocumentGroup.Operation == Operation.Upd || xmlDocumentGroup.Operation == Operation.Del)
{
if (!string.IsNullOrEmpty(documentGroupIdentifier))
{
// Update/Delete
this.UpdateDeleteDocumentGroup(xmlDocumentGroup, uploadDocumentGroup, documentsData, documentGroupIdentifier);
}
else
{
this.validationErrorLog.Append("Error: Validation Exception - No document idenfier: " + xmlDocumentGroup.Identifier + " .You can't use Operation: " + xmlDocumentGroup.Operation);
return this.validationErrorLog.ToString();
}
}
else
{
this.validationErrorLog.Append("Error: Validation Exception - Document idenfier: " + xmlDocumentGroup.Identifier + " .Invalid Operation: " + xmlDocumentGroup.Operation);
return this.validationErrorLog.ToString();
}
crawlerLog.IsSuccess = true;
}
catch (Exception ex)
{
crawlerLog.IsSuccess = false;
crawlerLog.Error += ex.ToString();
return "Error: Service Exception - " + ex.ToString();
}
finally
{
crawlerLog.Error += this.validationErrorLog.ToString();
try
{
this.db.AddNewLog(crawlerLog);
LockHelper.PushLocalLogToDb();
}
catch (Exception ex)
{
// There is a problem with the connection to the database, so we recorded a log in a text file
crawlerLog.Error += ex.ToString();
LockHelper.WriteToFileLog(crawlerLog);
}
}
return "Ok";
}
private void UpdateDeleteDocumentGroup(
XmlDocumentGroup xmlDocumentGroup,
UploadDocumentGroup uploadDocumentGroup,
Dictionary<string, MemoryStream> documentsData,
string documentGroupIdentifier)
{
// Delete
this.db.DeleteDocumentGroup(documentGroupIdentifier);
// Update
if (xmlDocumentGroup.Operation == Operation.Upd)
{
this.AddNewDocumentGroup(xmlDocumentGroup, uploadDocumentGroup, documentsData);
}
}