/// <summary>
/// Get workflow trace
/// </summary>
/// <param name="workflowOids">List of oid</param>
/// <returns>List of trace</returns>
public IEnumerable <WorkflowTraceInfo> GetTraceForWorkflow(Guid[] workflowOids)
{
// TODO
// The problem here is that we need to get the avatar for the user
// who add comment to workflow, but the user information is in an
// other database.
// For now use a dictionary to make sure we don't call the service
// twice for the same user.
var userHash = new Dictionary <string, string>();
var traces = _tracer.GetTraceForWorkflow(workflowOids).ToList();
if (_usersService == null)
{
using (var usersOperations = new FlowUsersService())
{
foreach (var t in traces)
{
if (string.IsNullOrWhiteSpace(t.User))
{
continue;
}
if (!userHash.ContainsKey(t.User))
{
var user = usersOperations.GetUser(new GetUserRequest {
User = t.User
});
if (user.User != null)
{
userHash.Add(t.User, user.User.PhotoPath);
}
}
if (userHash.ContainsKey(t.User))
{
t.Avatar = userHash[t.User];
}
}
}
}
else
{
foreach (var t in traces)
{
var user = _usersService.GetUser(new GetUserRequest {
User = t.User
});
t.Avatar = user.User.PhotoPath;
}
}
return(traces);
}