public bool SaveWorkflow(Stream streamdata)
{
try
{
StreamReader reader = new StreamReader(streamdata);
string json = reader.ReadToEnd();
reader.Close();
reader.Dispose();
JObject o = JObject.Parse(json);
var wi = o.SelectToken("WorkflowInfo");
var isNew = (bool)wi.SelectToken("IsNew");
if (isNew)
{
XNamespace xn = "urn:wexflow-schema";
var xdoc = new XDocument();
int workflowId = (int)wi.SelectToken("Id");
string workflowName = (string)wi.SelectToken("Name");
LaunchType workflowLaunchType = (LaunchType)((int)wi.SelectToken("LaunchType"));
string p = (string)wi.SelectToken("Period");
TimeSpan workflowPeriod = TimeSpan.Parse(string.IsNullOrEmpty(p) ? "00.00:00:00" : p);
string cronExpression = (string)wi.SelectToken("CronExpression");
if (workflowLaunchType == LaunchType.Cron && !WexflowEngine.IsCronExpressionValid(cronExpression))
{
throw new Exception("The cron expression '" + cronExpression + "' is not valid.");
}
bool isWorkflowEnabled = (bool)wi.SelectToken("IsEnabled");
string workflowDesc = (string)wi.SelectToken("Description");
// tasks
var xtasks = new XElement(xn + "Tasks");
var tasks = o.SelectToken("Tasks");
foreach (var task in tasks)
{
int taskId = (int)task.SelectToken("Id");
string taskName = (string)task.SelectToken("Name");
string taskDesc = (string)task.SelectToken("Description");
bool isTaskEnabled = (bool)task.SelectToken("IsEnabled");
var xtask = new XElement(xn + "Task"
, new XAttribute("id", taskId)
, new XAttribute("name", taskName)
, new XAttribute("description", taskDesc)
, new XAttribute("enabled", isTaskEnabled.ToString().ToLower())
);
var settings = task.SelectToken("Settings");
foreach (var setting in settings)
{
string settingName = (string)setting.SelectToken("Name");
string settingValue = (string)setting.SelectToken("Value");
var xsetting = new XElement(xn + "Setting"
, new XAttribute("name", settingName)
);
if (!string.IsNullOrEmpty(settingValue))
{
xsetting.SetAttributeValue("value", settingValue);
}
if (settingName == "selectFiles" || settingName == "selectAttachments")
{
if (!string.IsNullOrEmpty(settingValue))
{
xsetting.SetAttributeValue("value", settingValue);
}
}
else
{
xsetting.SetAttributeValue("value", settingValue);
}
var attributes = setting.SelectToken("Attributes");
foreach (var attribute in attributes)
{
string attributeName = (string)attribute.SelectToken("Name");
string attributeValue = (string)attribute.SelectToken("Value");
xsetting.SetAttributeValue(attributeName, attributeValue);
}
xtask.Add(xsetting);
}
xtasks.Add(xtask);
}
// root
var xwf = new XElement(xn + "Workflow"
, new XAttribute("id", workflowId)
, new XAttribute("name", workflowName)
, new XAttribute("description", workflowDesc)
, new XElement(xn + "Settings"
, new XElement(xn + "Setting"
, new XAttribute("name", "launchType")
, new XAttribute("value", workflowLaunchType.ToString().ToLower()))
, new XElement(xn + "Setting"
, new XAttribute("name", "enabled")
, new XAttribute("value", isWorkflowEnabled.ToString().ToLower()))
, new XElement(xn + "Setting"
, new XAttribute("name", "period")
, new XAttribute("value", workflowPeriod.ToString(@"dd\.hh\:mm\:ss")))
, new XElement(xn + "Setting"
, new XAttribute("name", "cronExpression")
, new XAttribute("value", cronExpression))
)
, xtasks
);
xdoc.Add(xwf);
var path = (string)wi.SelectToken("Path");
xdoc.Save(path);
}
else
{
int id = int.Parse((string)o.SelectToken("Id"));
var wf = WexflowWindowsService.WexflowEngine.GetWorkflow(id);
if (wf != null)
{
var xdoc = wf.XDoc;
int workflowId = (int)wi.SelectToken("Id");
string workflowName = (string)wi.SelectToken("Name");
LaunchType workflowLaunchType = (LaunchType)((int)wi.SelectToken("LaunchType"));
string p = (string)wi.SelectToken("Period");
TimeSpan workflowPeriod = TimeSpan.Parse(string.IsNullOrEmpty(p) ? "00.00:00:00" : p);
string cronExpression = (string)wi.SelectToken("CronExpression");
if (workflowLaunchType == LaunchType.Cron &&
!WexflowEngine.IsCronExpressionValid(cronExpression))
{
throw new Exception("The cron expression '" + cronExpression + "' is not valid.");
}
bool isWorkflowEnabled = (bool)wi.SelectToken("IsEnabled");
string workflowDesc = (string)wi.SelectToken("Description");
//if(xdoc.Root == null) throw new Exception("Root is null");
xdoc.Root.Attribute("id").Value = workflowId.ToString();
xdoc.Root.Attribute("name").Value = workflowName;
xdoc.Root.Attribute("description").Value = workflowDesc;
var xwfEnabled = xdoc.Root.XPathSelectElement("wf:Settings/wf:Setting[@name='enabled']",
wf.XmlNamespaceManager);
xwfEnabled.Attribute("value").Value = isWorkflowEnabled.ToString().ToLower();
var xwfLaunchType = xdoc.Root.XPathSelectElement("wf:Settings/wf:Setting[@name='launchType']",
wf.XmlNamespaceManager);
xwfLaunchType.Attribute("value").Value = workflowLaunchType.ToString().ToLower();
var xwfPeriod = xdoc.Root.XPathSelectElement("wf:Settings/wf:Setting[@name='period']",
wf.XmlNamespaceManager);
//if (workflowLaunchType == LaunchType.Periodic)
//{
if (xwfPeriod != null)
{
xwfPeriod.Attribute("value").Value = workflowPeriod.ToString(@"dd\.hh\:mm\:ss");
}
else
{
xdoc.Root.XPathSelectElement("wf:Settings", wf.XmlNamespaceManager)
.Add(new XElement(wf.XNamespaceWf + "Setting", new XAttribute("name", "period"),
new XAttribute("value", workflowPeriod.ToString())));
}
//}
var xwfCronExpression = xdoc.Root.XPathSelectElement(
"wf:Settings/wf:Setting[@name='cronExpression']",
wf.XmlNamespaceManager);
if (xwfCronExpression != null)
{
xwfCronExpression.Attribute("value").Value = cronExpression ?? string.Empty;
}
else if (!string.IsNullOrEmpty(cronExpression))
{
xdoc.Root.XPathSelectElement("wf:Settings", wf.XmlNamespaceManager)
.Add(new XElement(wf.XNamespaceWf + "Setting", new XAttribute("name", "cronExpression"),
new XAttribute("value", cronExpression)));
}
var xtasks = xdoc.Root.Element(wf.XNamespaceWf + "Tasks");
var alltasks = xtasks.Elements(wf.XNamespaceWf + "Task");
alltasks.Remove();
var tasks = o.SelectToken("Tasks");
foreach (var task in tasks)
{
int taskId = (int)task.SelectToken("Id");
string taskName = (string)task.SelectToken("Name");
string taskDesc = (string)task.SelectToken("Description");
bool isTaskEnabled = (bool)task.SelectToken("IsEnabled");
var xtask = new XElement(wf.XNamespaceWf + "Task"
, new XAttribute("id", taskId)
, new XAttribute("name", taskName)
, new XAttribute("description", taskDesc)
, new XAttribute("enabled", isTaskEnabled.ToString().ToLower())
);
var settings = task.SelectToken("Settings");
foreach (var setting in settings)
{
string settingName = (string)setting.SelectToken("Name");
string settingValue = (string)setting.SelectToken("Value");
var xsetting = new XElement(wf.XNamespaceWf + "Setting"
, new XAttribute("name", settingName)
);
if (settingName == "selectFiles" || settingName == "selectAttachments")
{
if (!string.IsNullOrEmpty(settingValue))
{
xsetting.SetAttributeValue("value", settingValue);
}
}
else
{
xsetting.SetAttributeValue("value", settingValue);
}
var attributes = setting.SelectToken("Attributes");
foreach (var attribute in attributes)
{
string attributeName = (string)attribute.SelectToken("Name");
string attributeValue = (string)attribute.SelectToken("Value");
xsetting.SetAttributeValue(attributeName, attributeValue);
}
xtask.Add(xsetting);
}
xtasks.Add(xtask);
}
xdoc.Save(wf.WorkflowFilePath);
}
}
return(true);
}
catch (Exception e)
{
Console.WriteLine(e);
return(false);
}
}
public bool IsCronExpressionValid(string expression)
{
var res = WexflowEngine.IsCronExpressionValid(expression);
return(res);
}