private ImportResult DoImport(Node parent, Stream inputStream, bool update, bool import)
{
var successful = new List <ImportData>();
var unsuccessful = new List <ImportData>();
var lines = new List <Dictionary <string, string> >();
var headers = new List <string>();
var parentNode = parent;
var splitChar = ';';
using (var reader = OpenStream(inputStream))
{
//extracting header from stream
if (!reader.EndOfStream)
{
var header = reader.ReadLine();
splitChar = DetectSplitChar(header);
headers = SplitLine(header, splitChar);
}
//rewrite strem reading
string lineString;
var lineIndex = 1;
while ((lineString = reader.ReadLine()) != null)
{
var lineData = SplitLine(lineString, splitChar);
var lineDict = new Dictionary <string, string>();
if (lineData.Count != headers.Count)
{
throw new InvalidOperationException(string.Format(ResourceManager.Current.GetString("ListImporterPortlet", "ErrorInvalidColumns"), lineIndex));
}
for (var i = 0; i < lineData.Count; i++)
{
lineDict.Add(headers[i].Trim('"'), lineData[i].Replace("\"\"", "\"").Trim('"'));
}
lines.Add(lineDict);
lineIndex++;
}
}
//creating content
foreach (var line in lines)
{
if (!line.ContainsKey("Type"))
{
throw new Exception(String.Format(ResourceManager.Current.GetString("ListImporterPortlet", "MissingRequiredColumnFromCSV"), "Type"));
}
var name = line.ContainsKey("Name") ? line["Name"] : string.Empty;
var contentType = line["Type"];
//excluding restricted or null valued fields (this excludes fields not related to the current type of content as well)
var excludedFields = (from item in line
where FieldsNotToImport.Contains(item.Key) || string.IsNullOrEmpty(item.Value)
select item.Key).ToList();
//removing excluded fields from the current line
foreach (var field in excludedFields)
{
line.Remove(field);
}
//creating, parsing and saving imported content
var existingChildren = from c in parentNode.PhysicalChildArray select c.Name;
var existingName = existingChildren.Contains(name);
if (!existingName && import)
{
//if new content get the content type
if (string.IsNullOrEmpty(contentType))
{
throw new Exception(String.Format(ResourceManager.Current.GetString("ListImporterPortlet", "MissingRequiredColumnFromCSV"), "ContentType (type)"));
}
//create new content)
try
{
//content type non existent fields add to list custom fields
var nonExistentListFields = CreateNonExistentListFields(contentType, parentNode, line);
//if non existent fields doesn't has # mark in name add # mark to name
foreach (KeyValuePair <string, string> nonExistentListField in nonExistentListFields)
{
if (!nonExistentListField.Key.Contains('#'))
{
line.Remove(nonExistentListField.Key);
line.Add(string.Format("#{0}", nonExistentListField.Key), nonExistentListField.Value);
}
}
var newContent = Content.CreateNewAndParse(contentType, parentNode, name, line);
//because of the empty name we need to ensure
//that we do not try to use existing name
newContent.ContentHandler.AllowIncrementalNaming = true;
newContent.Save();
successful.Add(new ImportData(newContent.Name, ""));
}
catch (Exception e)
{
unsuccessful.Add(new ImportData(name, e.Message));
}
}
else if (existingName && update)
{
//updating existing content
try
{
var oldNode =
(from c in parentNode.PhysicalChildArray where c.Name == name select c).FirstOrDefault();
if (oldNode == null)
{
throw new Exception(String.Format(ResourceManager.Current.GetString("ListImporterPortlet", "UpdatableNodeIsMissing"), name));
}
var nonExistentListFields = CreateNonExistentListFields(oldNode.NodeType.Name, parentNode, line);
//if non existent fields doesn't has # mark in name add # mark to name
foreach (KeyValuePair <string, string> nonExistentListField in nonExistentListFields)
{
if (!nonExistentListField.Key.Contains('#'))
{
line.Remove(nonExistentListField.Key);
line.Add(string.Format("#{0}", nonExistentListField.Key), nonExistentListField.Value);
}
}
if (Update(oldNode, line))
{
successful.Add(new ImportData(name, ResourceManager.Current.GetString("ListImporterPortlet", "UpdateSuccessfulMessage")));
}
else
{
unsuccessful.Add(new ImportData(name, ResourceManager.Current.GetString("ListImporterPortlet", "UpdateFailedMessage")));
}
}
catch (Exception e)
{
unsuccessful.Add(new ImportData(name, e.Message));
}
}
else
{
//doing nothing
unsuccessful.Add(new ImportData(name, ResourceManager.Current.GetString("ListImporterPortlet", "NotImportedMessage")));
}
}
return(new ImportResult(unsuccessful.Count == 0, successful, unsuccessful));
}