private List <SdnEntry> compareLists(SdnList listToDate, SdnList KnownList)
{
List <SdnEntry> changes = new List <SdnEntry>();
listToDate.sdnEntries.ForEach(e => {
// if it doesn't exist in our old list then it's been added //
var existing = KnownList.sdnEntries.FirstOrDefault(x => x.uid == e.uid);
if (existing == null)
{
// which means it's a changes //
e.changeType = "New Entry";
e.changetime = DateTime.Now;
changes.Add(e);
}
// if it does exist then lets compare it with it's cougnterpart to see if they changed naything within //
else if (EntriesAreDifferent(existing, e))
{
e.changeType = "Ammendment";
e.changetime = DateTime.Now;
changes.Add(e);
}
});
// lets look for any that existed in our original but no longer do //
var removals = KnownList.sdnEntries.Where(k => !listToDate.sdnEntries.Any(y => y.uid == k.uid));
foreach (var del in removals)
{
del.changeType = "Entry Deleted";
del.changetime = DateTime.Now;
changes.Add(del);
}
return(changes);
}
private SdnList CreateModel(string xml)
{
SdnList sdn = new SdnList();
// convert our xml string to xml //
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(xml);
/**
* loop through the nodes
* Again here i probably would have prefered to use recursion.
*/
var nodes = xmlDoc.GetElementsByTagName("sdnEntry");
foreach (XmlNode node in nodes)
{
SdnEntry entry = new SdnEntry();
foreach (XmlNode child in node.ChildNodes)
{
// find out what node type it is and handle //
switch (child.Name)
{
case "uid":
entry.uid = Convert.ToInt32(child.InnerText);
break;
case "lastName":
entry.lastName = child.InnerText;
break;
case "sdnType":
entry.sdnType = child.InnerText;
break;
case "addressList":
entry.addressList = CreateAddressList(child.ChildNodes);
break;
case "programList":
entry.programList = CreateProgramList(child.ChildNodes);
break;
case "akaList":
entry.akaList = CreateAkaList(child.ChildNodes);
break;
default:
break;
}
}
SdnEntry t = entry;
sdn.sdnEntries.Add(entry);
}
return(sdn);
}
public void DownloadAndStoreNewSdn_WhenDownloadSucceeds_ShouldParseTryParseXml()
{
SdnList result = null;
var xml = "aka xml";
_contentDownloader.Setup(x => x.DownloadUpdatedSdns()).Returns(xml);
Sut.DownloadAndStoreNewSdn();
_xmlParser.Verify(x => x.TryDeserializeObject <SdnList>(out result, xml));
}
public void DownloadAndStoreNewSdn_WhenParsingSucceeds_ShouldCallRepository()
{
var xml = "aka xml";
var result = new SdnList();
_contentDownloader.Setup(x => x.DownloadUpdatedSdns()).Returns(xml);
_xmlParser.Setup(x => x.TryDeserializeObject <SdnList>(out result, xml)).Returns(() => true);
Sut.DownloadAndStoreNewSdn();
_sdnRepository.Verify(x => x.AddMany(It.IsAny <SdnList>()));
}
public async Task <List <SdnEntry> > getChanges(SdnList knownList)
{
// lets get a more updated version of the list //
SdnList listToDate = await getSDNList();
// compare the two and extract any changes //
var changes = compareLists(listToDate, knownList);
// lets set the more recent list as our seesion variable //
Session["sdnList"] = listToDate;
return(changes);
}
public void AddMany(SdnList items) => _sdnStorage.StoreSdn(items);