public RecipeStep Dequeue(string executionId)
{
if (!_appDataFolder.DirectoryExists(Path.Combine(_recipeQueueFolder, executionId))) {
return null;
}
RecipeStep recipeStep = null;
int stepIndex = GetFirstStepIndex(executionId);
if (stepIndex >= 0) {
var stepPath = Path.Combine(_recipeQueueFolder, executionId + Path.DirectorySeparatorChar + stepIndex);
// string to xelement
var stepElement = XElement.Parse(_appDataFolder.ReadFile(stepPath));
var stepName = stepElement.Element("Name").Value;
recipeStep = new RecipeStep {
Name = stepName,
Step = stepElement.Element(stepName)
};
_appDataFolder.DeleteFile(stepPath);
}
if (stepIndex < 1) {
_appDataFolder.DeleteFile(Path.Combine(_recipeQueueFolder, executionId));
}
return recipeStep;
}
public Recipe ParseRecipe(string recipeText)
{
var recipe = new Recipe();
try {
var recipeSteps = new List<RecipeStep>();
TextReader textReader = new StringReader(recipeText);
var recipeTree = XElement.Load(textReader, LoadOptions.PreserveWhitespace);
textReader.Close();
foreach (var element in recipeTree.Elements()) {
// Recipe mETaDaTA
if (element.Name.LocalName == "Recipe") {
foreach (var metadataElement in element.Elements()) {
switch (metadataElement.Name.LocalName) {
case "Name":
recipe.Name = metadataElement.Value;
break;
case "Description":
recipe.Description = metadataElement.Value;
break;
case "Author":
recipe.Author = metadataElement.Value;
break;
case "WebSite":
recipe.WebSite = metadataElement.Value;
break;
case "Version":
recipe.Version = metadataElement.Value;
break;
case "ExportUtc":
recipe.ExportUtc = !string.IsNullOrEmpty(metadataElement.Value) ? (DateTime?)XmlConvert.ToDateTime(metadataElement.Value, XmlDateTimeSerializationMode.Utc) : null;
break;
case "Tags":
recipe.Tags = metadataElement.Value;
break;
default:
Logger.Error("Unrecognized recipe metadata element {0} encountered. Skipping.", metadataElement.Name.LocalName);
break;
}
}
}
// Recipe step
else {
var recipeStep = new RecipeStep { Name = element.Name.LocalName, Step = element };
recipeSteps.Add(recipeStep);
}
}
recipe.RecipeSteps = recipeSteps;
}
catch (Exception exception) {
Logger.Error(exception, "Parsing recipe failed. Recipe text was: {0}.", recipeText);
throw;
}
return recipe;
}
public void Enqueue(string executionId, RecipeStep step)
{
var recipeStepElement = new XElement("RecipeStep");
recipeStepElement.Add(new XElement("Name", step.Name));
recipeStepElement.Add(step.Step);
if (_appDataFolder.DirectoryExists(Path.Combine(_recipeQueueFolder, executionId))) {
int stepIndex = GetLastStepIndex(executionId) + 1;
_appDataFolder.CreateFile(Path.Combine(_recipeQueueFolder, executionId + Path.DirectorySeparatorChar + stepIndex),
recipeStepElement.ToString());
}
else {
_appDataFolder.CreateFile(
Path.Combine(_recipeQueueFolder, executionId + Path.DirectorySeparatorChar + "0"),
recipeStepElement.ToString());
}
}
