public async Task <string> ExecuteAsync(string collectionUrl, Guid projectId, string projectName, string personalAccessToken, int workItemId, WorkItemTrackingHttpClientBase witClient, CancellationToken cancellationToken)
{
if (State == EngineState.Error)
{
return(string.Empty);
}
var context = new EngineContext(witClient, projectId, projectName, personalAccessToken, logger);
var store = new WorkItemStore(context);
var self = store.GetWorkItem(workItemId);
logger.WriteInfo($"Initial WorkItem {workItemId} retrieved from {collectionUrl}");
var globals = new Globals
{
self = self,
store = store
};
logger.WriteInfo($"Executing Rule...");
var result = await roslynScript.RunAsync(globals, cancellationToken);
if (result.Exception != null)
{
logger.WriteError($"Rule failed with {result.Exception}");
State = EngineState.Error;
}
else if (result.ReturnValue != null)
{
logger.WriteInfo($"Rule succeeded with {result.ReturnValue}");
}
else
{
logger.WriteInfo($"Rule succeeded, no return value");
}
State = EngineState.Success;
logger.WriteVerbose($"Post-execution, save any change (mode {saveMode})...");
var saveRes = await store.SaveChanges(saveMode, !DryRun, cancellationToken);
if (saveRes.created + saveRes.updated > 0)
{
logger.WriteInfo($"Changes saved to Azure DevOps (mode {saveMode}): {saveRes.created} created, {saveRes.updated} updated.");
}
else
{
logger.WriteInfo($"No changes saved to Azure DevOps.");
}
return(result.ReturnValue);
}
public async Task <string> ExecuteAsync(Guid projectId, WorkItemData workItemPayload, IClientsContext clients, CancellationToken cancellationToken)
{
if (State == EngineState.Error)
{
return(string.Empty);
}
var workItem = workItemPayload.WorkItem;
var context = new EngineContext(clients, projectId, workItem.GetTeamProject(), logger);
var store = new WorkItemStore(context, workItem);
var self = store.GetWorkItem(workItem.Id.Value);
var selfChanges = new WorkItemUpdateWrapper(workItemPayload.WorkItemUpdate);
logger.WriteInfo($"Initial WorkItem {self.Id} retrieved from {clients.WitClient.BaseAddress}");
var globals = new Globals
{
self = self,
selfChanges = selfChanges,
store = store,
logger = logger
};
logger.WriteInfo($"Executing Rule...");
var result = await roslynScript.RunAsync(globals, cancellationToken);
if (result.Exception != null)
{
logger.WriteError($"Rule failed with {result.Exception}");
State = EngineState.Error;
}
else
{
logger.WriteInfo($"Rule succeeded with {result.ReturnValue ?? "no return value"}");
State = EngineState.Success;
}
logger.WriteVerbose($"Post-execution, save any change (mode {saveMode})...");
var saveRes = await store.SaveChanges(saveMode, !DryRun, cancellationToken);
if (saveRes.created + saveRes.updated > 0)
{
logger.WriteInfo($"Changes saved to Azure DevOps (mode {saveMode}): {saveRes.created} created, {saveRes.updated} updated.");
}
else
{
logger.WriteInfo($"No changes saved to Azure DevOps.");
}
return(result.ReturnValue);
}
protected RuleExecutionContext CreateRuleExecutionContext(Guid projectId, WorkItemData workItemPayload, IClientsContext clients)
{
var workItem = workItemPayload.WorkItem;
var context = new EngineContext(clients, projectId, workItem.GetTeamProject(), logger);
var store = new WorkItemStore(context, workItem);
var self = store.GetWorkItem(workItem.Id.Value);
var selfChanges = new WorkItemUpdateWrapper(workItemPayload.WorkItemUpdate);
logger.WriteInfo($"Initial WorkItem {self.Id} retrieved from {clients.WitClient.BaseAddress}");
var globals = new RuleExecutionContext
{
self = self,
selfChanges = selfChanges,
store = store,
logger = logger
};
return(globals);
}
internal async Task <string> Execute(string aggregatorVersion, dynamic data)
{
if (string.IsNullOrEmpty(aggregatorVersion))
{
aggregatorVersion = "0.1";
}
string collectionUrl = data.resourceContainers.collection.baseUrl;
int workItemId = data.resource.id;
logger.WriteVerbose($"Connecting to VSTS using {configuration.VstsTokenType}...");
var clientCredentials = default(VssCredentials);
if (configuration.VstsTokenType == VstsTokenType.PAT)
{
clientCredentials = new VssBasicCredential(configuration.VstsTokenType.ToString(), configuration.VstsToken);
}
else
{
logger.WriteError($"VSTS Token type {configuration.VstsTokenType} not supported!");
throw new ArgumentOutOfRangeException(nameof(configuration.VstsTokenType));
}
var vsts = new VssConnection(new Uri(collectionUrl), clientCredentials);
await vsts.ConnectAsync();
logger.WriteInfo($"Connected to VSTS");
var witClient = vsts.GetClient <WorkItemTrackingHttpClient>();
var context = new Engine.EngineContext(witClient);
var store = new Engine.WorkItemStore(context);
var self = store.GetWorkItem(workItemId);
logger.WriteInfo($"Initial WorkItem retrieved");
string ruleFilePath = Path.Combine(functionDirectory, $"{ruleName}.rule");
if (!File.Exists(ruleFilePath))
{
logger.WriteError($"Rule code not found at {ruleFilePath}");
return("Rule file not found!");
}
logger.WriteVerbose($"Rule code found at {ruleFilePath}");
string ruleCode = File.ReadAllText(ruleFilePath);
logger.WriteInfo($"Executing Rule...");
var globals = new Engine.Globals {
self = self,
store = store
};
var types = new List <Type>()
{
typeof(object),
typeof(System.Linq.Enumerable),
typeof(System.Collections.Generic.CollectionExtensions)
};
var references = types.ConvertAll(t => t.Assembly);
var scriptOptions = ScriptOptions.Default
.WithEmitDebugInformation(true)
.WithReferences(references)
// Add namespaces
.WithImports("System")
.WithImports("System.Linq")
.WithImports("System.Collections.Generic");
var result = await CSharpScript.EvaluateAsync <string>(
code : ruleCode,
options : scriptOptions,
globals : globals, globalsType : typeof(Engine.Globals));
logger.WriteInfo($"Rule returned {result}");
logger.WriteVerbose($"Post-execution, save all changes...");
context.SaveChanges();
logger.WriteInfo($"Changes saved to VSTS");
return(result);
}
