public static ConceptResult GetConceptResultTreeInViews(Concept concept, List <WatchingTimeResult> views)
{
if (concept == null || (concept.Children == null || concept.Children.Count == 0) &&
views.All(x => x.ConceptId != concept.Id))
{
return(null);
}
var currentConcept = new ConceptResult
{
Name = concept.Name,
IsFile = true
};
if (concept.Children != null && concept.Children.Count != 0)
{
currentConcept.Children = new List <ConceptResult>();
foreach (var child in concept.Children)
{
var childConceptResult = GetConceptResultTreeInViews(child, views);
if (childConceptResult == null)
{
continue;
}
currentConcept.Children.Add(childConceptResult);
}
if (currentConcept.Children.Count == 0)
{
return(null);
}
currentConcept.IsFile = false;
}
else
{
var viewInfo = views.Find(x => x.ConceptId == concept.Id).Views;
if (viewInfo != null)
{
currentConcept.ViewTime = viewInfo.Time;
}
else
{
currentConcept.ViewTime = null;
}
currentConcept.Estimated = WatchingTimeService.GetEstimatedTime(concept.Container);
}
currentConcept.ConceptId = concept.Id;
return(currentConcept);
}
public IActionResult Get(int id)
{
var rootId = -1;
var studentId = -1;
var queryParams = Request.Query
.ToDictionary(x => x.Key, x => x.Value, StringComparer.OrdinalIgnoreCase);
if (queryParams.ContainsKey("root"))
{
int.TryParse(queryParams["root"], out rootId);
}
if (queryParams.ContainsKey("studentId"))
{
int.TryParse(queryParams["studentId"], out studentId);
}
var studentInfo = StudentManagementService.GetStudent(studentId);
var concepts = ConceptManagementService.GetElementsBySubjectId(id).Where(x => x.Container != null).ToList();
var viewsResult = new List <WatchingTimeResult>();
foreach (var concept in concepts)
{
if (GetConceptParentId(concept) == rootId)
{
var views = WatchingTimeService.GetAllRecords(concept.Id, studentId).FirstOrDefault();
viewsResult.Add(new WatchingTimeResult
{
ConceptId = concept.Id,
ParentId = concept.ParentId,
Name = concept.Name,
Views = views,
Estimated = WatchingTimeService.GetEstimatedTime(concept.Container)
});
}
}
var tree = ConceptManagementService.GetTreeConceptByElementId(rootId);
var treeresult = ConceptResult.GetConceptResultTreeInViews(tree, viewsResult);
var result = new StudentInfoResult
{
Tree = treeresult.Children,
StudentFullName = studentInfo.FullName,
GroupNumber = studentInfo.Group.Name
};
return(Ok(result));
}
