public void AddEdges()
{
foreach (var block in GetActionResultBlocks())
{
int startOfViewName = block[0].IndexOf("public ActionResult ") + 20;
int lengthOfViewName = block[0].IndexOf('(', startOfViewName) - startOfViewName;
string viewName = block[0].Substring(startOfViewName, lengthOfViewName);
if (viewName.Contains("<IActionResult> "))
{
viewName = viewName.Substring(viewName.LastIndexOf(" ") + 1);
}
string currentNode = _controller + '/' + viewName;
_applicationData.AddAction(currentNode);
if (!_applicationData.GetViewDataGraph().ContainsVertex(currentNode))
{
_applicationData.GetViewDataGraph().AddVertex(currentNode);
}
block.Remove(block[0]);
foreach (string line in block)
{
string temp = line;
if (temp.Contains("RedirectToContract("))
{
temp = temp.Replace("RedirectToContract(", "RedirectToAction(\"Edit\",");
}
if (temp.Contains("RedirectToAction"))
{
int startOfRedirectedViewName = temp.IndexOf("RedirectToAction(\"") + 18;
if (startOfRedirectedViewName == 17)
{
startOfRedirectedViewName = temp.IndexOf("RedirectToAction(nameof(") + 24;
int lengthOfRedirectedViewName =
temp.IndexOf(')', startOfRedirectedViewName) - startOfRedirectedViewName;
string redirectedViewName =
temp.Substring(startOfRedirectedViewName, lengthOfRedirectedViewName);
string from = currentNode;
string to = redirectedViewName.Contains("Controller.")
? redirectedViewName.Replace("Controller.", "/")
: _controller + '/' + redirectedViewName;
AddEdge(from, to);
}
else
{
int lengthOfRedirectedViewName =
temp.IndexOf('\"', startOfRedirectedViewName) - startOfRedirectedViewName;
string redirectedViewName =
temp.Substring(startOfRedirectedViewName, lengthOfRedirectedViewName);
string to;
if (line.Contains(redirectedViewName + '"' + ','))
{
int startOfRedirectedControllerName =
temp.IndexOf('"',
temp.IndexOf(redirectedViewName + '"' + ',') + redirectedViewName.Length + 1) +
1;
int lengthOfRedirectedConreollerName =
temp.IndexOf('"', startOfRedirectedControllerName + 1) -
startOfRedirectedControllerName;
string toController = temp.Substring(startOfRedirectedControllerName,
lengthOfRedirectedConreollerName);
to = toController + '/' + redirectedViewName;
}
else
{
to = _controller + '/' + redirectedViewName;
}
AddEdge(currentNode, to);
}
}
else if (temp.Contains("RedirectToIndex(") || temp.Contains("Delete(") ||
temp.Contains("DeleteChild("))
{
string to = _controller + '/' + "Index";
AddEdge(currentNode, to);
}
else if (temp.Contains("RedirectToLocal(\"/\""))
{
string from = currentNode;
int startIndexOfDestionation = temp.IndexOf("RedirectToLocal(\"/\"") + 19;
int lengthOfDestination = temp.IndexOf("\"", startIndexOfDestionation);
string destination = lengthOfDestination == -1
? "Index"
: temp.Substring(startIndexOfDestionation, lengthOfDestination);
string to = _controller + '/' + destination;
AddEdge(from, to);
}
}
}
}
