private static void ProcessQuiz(LmsQuizDTO quiz)
{
foreach (var quizQuestion in quiz.question_list)
{
if (quizQuestion.question_text == null)
{
quizQuestion.question_text = quizQuestion.question_name;
}
if (quizQuestion.presentation != null)
{
if (quizQuestion.presentation.IndexOf("|", StringComparison.Ordinal) > -1)
{
var presentationIndex = quizQuestion.presentation.IndexOf("|");
quizQuestion.question_text = string.Format(
"{0} ({1}-{2})",
quizQuestion.question_text,
quizQuestion.presentation.Substring(0, presentationIndex),
quizQuestion.presentation.Substring(presentationIndex + 1));
}
if (quizQuestion.presentation.IndexOf(">>>>>", StringComparison.Ordinal) > -1)
{
var separatorIndex = quizQuestion.presentation.IndexOf(">>>>>", System.StringComparison.Ordinal);
string answers = separatorIndex > 0
? quizQuestion.presentation.Substring(separatorIndex + 5)
: quizQuestion.presentation,
type = separatorIndex > 0
? quizQuestion.presentation.Substring(0, separatorIndex)
: string.Empty;
if (type.Equals("d"))
{
quizQuestion.question_type = "dummy_rate";
}
quizQuestion.is_single = !type.Equals("c");
quizQuestion.answers =
answers.Split('|')
.Select(
(a, i) =>
new AnswerDTO()
{
text =
a.IndexOf("####", StringComparison.Ordinal) > -1
? a.Substring(
a.IndexOf("####", StringComparison.Ordinal)
+ 4)
: a,
id = i
})
.ToList();
}
}
}
}
public async Task <OperationResultWithData <IEnumerable <LmsQuizDTO> > > GetItemsForUserAsync(Dictionary <string, object> licenseSettings, bool isSurvey, IEnumerable <int> quizIds)
{
var apiParam = new SakaiExtendedParams
{
LtiMessageType = "egc_get_assessment_data",
};
var courseName = (string)licenseSettings[LmsUserSettingNames.CourseName];
var testsUrl = $"http://sakai11.esynctraining.com/egcint/service/?lti_message_type=egc_get_assessments&sourcedid={ courseName }<i_version=LTI-1p0&oauth_consumer_key=esynctraining.com&secret=07951-BAUER-41481-CRLSHM&user_id={licenseSettings[LmsUserSettingNames.UserId]}&ext_sakai_provider_eid={ WebUtility.UrlEncode((string)licenseSettings[LmsUserSettingNames.Username]) }";
var testsResponse = await _httpClient.GetAsync(testsUrl);
string testsJson = await testsResponse.Content.ReadAsStringAsync();
SakaiSiteDto[] tests = null;
if (!testsJson.StartsWith("Error", StringComparison.InvariantCultureIgnoreCase))
{
tests = JsonConvert.DeserializeObject <SakaiSiteDto[]>(testsJson);
}
if (tests == null)
{
throw new InvalidOperationException("Sakai api getting tests method failed!");
}
var quizDto = new List <LmsQuizDTO>();
if (quizIds != null)
{
tests = tests.Where(x => quizIds.Contains(x.publishedAssessmentId)).ToArray();
}
foreach (var test in tests)
{
//var json = JsonConvert.SerializeObject(apiParam);
var assessmentId = test.publishedAssessmentId;
var quizzesIds = new List <int>();
quizzesIds.Add(assessmentId);
var url =
$"http://sakai11.esynctraining.com/egcint/service/?lti_message_type=egc_get_assessment_data&sourcedid={ courseName }&assessmentId={ assessmentId }<i_version=LTI-1p0&oauth_consumer_key=esynctraining.com&secret=07951-BAUER-41481-CRLSHM&user_id={licenseSettings[LmsUserSettingNames.UserId]}&ext_sakai_provider_eid={ WebUtility.UrlEncode((string)licenseSettings[LmsUserSettingNames.Username]) }";
var response = await _httpClient.GetAsync(url);
string resp = await response.Content.ReadAsStringAsync();
var lqd = new LmsQuizDTO()
{
course = (string)licenseSettings[LmsUserSettingNames.CourseId],
courseName = courseName,
//description = test.name,
title = test.name,
id = test.publishedAssessmentId,
published = true
};
//if (quizIds != null && !quizIds.Contains(lqd.id))
//{
// continue;
//}
//testData = egc.getAssessmentDetails(t.id, isSurvey);
if (!resp.StartsWith("Error", StringComparison.InvariantCultureIgnoreCase))
{
var td = JsonConvert.DeserializeObject <BBAssessmentDTO>(resp);
lqd.question_list = SakaiQuizParser.ParseQuestions(td, resp);
var repoImages = td.images as JToken;
if (repoImages != null)
{
var temp = repoImages.ToObject <Dictionary <string, string> >();
lqd.Images = temp.ToDictionary(x => x.Key, x => x.Value);
}
}
quizDto.Add(lqd);
}
return(((IEnumerable <LmsQuizDTO>)quizDto).ToSuccessResult()); //todo: handle error cases
}
public async Task <OperationResultWithData <IEnumerable <LmsQuizDTO> > > GetItemsForUserAsync(Dictionary <string, object> licenseSettings, bool isSurvey, IEnumerable <int> quizIds)
{
WebserviceWrapper client = null;
string error;
var tests = this.LoginIfNecessary(
ref client,
c =>
{
var egc = c.getEdugameCloudWrapper();
var content = c.getContentWrapper();
var tos = content.getTOCsByCourseId((string)licenseSettings[LmsUserSettingNames.CourseId]);
if (tos != null)
{
tos =
tos.Where(
to =>
to.label != null &&
to.label.Equals("content", StringComparison.InvariantCultureIgnoreCase))
.ToArray();
}
ContentVO[] tsts = null;
if (tos != null && tos.Any())
{
var contentFilter = new ContentFilter()
{
filterType = 3,
filterTypeSpecified = true,
contentId = tos.First().courseContentsId
};
var loaded = content.loadFilteredContent((string)licenseSettings[LmsUserSettingNames.CourseId], contentFilter);
if (loaded != null)
{
tsts =
loaded.Where(
l =>
l.contentHandler != null &&
l.contentHandler.Equals(isSurvey ? "resource/x-bb-asmt-survey-link" : "resource/x-bb-asmt-test-link")).ToArray();
}
}
string testData = string.Empty;
if (tsts != null)
{
var quizDTO = new List <LmsQuizDTO>();
foreach (var t in tsts)
{
var lqd = new LmsQuizDTO()
{
course = (string)licenseSettings[LmsUserSettingNames.CourseId],
courseName = (string)licenseSettings[LmsUserSettingNames.CourseId],
description = t.body.ClearName(),
title = t.title.ClearName(),
id = BlackboardHelper.GetBBId(t.id),
published = true
};
if (quizIds != null && !quizIds.Contains(lqd.id))
{
continue;
}
testData = egc.getAssessmentDetails(t.id, isSurvey);
if (testData != null && !testData.StartsWith("Error", StringComparison.InvariantCultureIgnoreCase))
{
var td = JsonConvert.DeserializeObject <BBAssessmentDTO>(testData);
lqd.question_list = BlackboardQuizParser.ParseQuestions(td, testData);
var repoImages = td.images as JToken;
if (repoImages != null)
{
var temp = repoImages.ToObject <Dictionary <string, string> >();
lqd.Images = temp.ToDictionary(x => x.Key, x => x.Value);
}
}
quizDTO.Add(lqd);
}
return(quizDTO.ToList());
}
return(new List <LmsQuizDTO> {
});
},
licenseSettings,
out error);
return(string.IsNullOrEmpty(error)
? ((IEnumerable <LmsQuizDTO>)tests).ToSuccessResult()
: OperationResultWithData <IEnumerable <LmsQuizDTO> > .Error(error));
}
/// <summary>
/// Parses the specified XML.
/// </summary>
/// <param name="xml">
/// The XML.
/// </param>
/// <param name="errorMessage">
/// The error message
/// </param>
/// <param name="error">
/// The error text
/// </param>
/// <returns>
/// Collection of Meeting Items.
/// </returns>
public static LmsQuizDTO Parse(XmlNode xml, ref string errorMessage, ref string error)
{
if (xml == null)
{
return(null);
}
XmlNode message = xml.SelectSingleNode(MessagePath);
if (message != null)
{
errorMessage = message.InnerText;
}
XmlNode debugInfo = xml.SelectSingleNode(DebugPath);
if (debugInfo != null)
{
error = debugInfo.InnerText;
}
XmlNode quiz = xml.SelectSingleNode(QuizPath);
if (quiz == null)
{
return(null);
}
var ret = new LmsQuizDTO();
ret.id = int.Parse(quiz.GetNodeValue("id") ?? "0");
ret.title = quiz.GetNodeValue("name");
ret.description = quiz.GetNodeValue("intro");
XmlNode courseSingle = quiz.SelectSingleNode(CoursePath);
if (courseSingle != null)
{
int courseIdInt;
if (int.TryParse(courseSingle.GetNodeValue("id"), out courseIdInt))
{
ret.course = courseIdInt.ToString();
}
ret.courseName = courseSingle.GetNodeValue("fullname");
}
XmlNodeList questions = quiz.SelectNodes(QuestionsPath);
var quizQuestions = new List <LmsQuestionDTO>();
if (questions != null)
{
foreach (XmlNode quest in questions)
{
var q = new LmsQuestionDTO();
quizQuestions.Add(q);
q.id = int.Parse(quest.GetNodeValue("id") ?? "0");
q.question_name = quest.GetNodeValue("name");
q.question_text = quest.GetNodeValue("questiontext");
q.question_type = quest.GetNodeValue("qtype") ?? quest.GetNodeValue("typ");
q.presentation = quest.GetNodeValue("presentation");
q.is_mandatory = int.Parse(quest.GetNodeValue("required") ?? "0") > 0;
XmlNodeList datasetsSingle = quest.SelectNodes(DataSetPath);
if (datasetsSingle != null)
{
foreach (XmlNode ds in datasetsSingle)
{
//var mds = new SakaiDataset();
//mds.Id = ds.GetNodeValue("id");
//mds.Name = ds.GetNodeValue("name");
//mds.Max = ds.GetNodeValue("maximum");
//mds.Min = ds.GetNodeValue("minimum");
//q.datasets.Add(mds);
//XmlNodeList items = ds.SelectNodes("KEY[@name='items']/MULTIPLE/SINGLE");
//if (items == null)
//{
// continue;
//}
//mds.Items = new List<SakaiDataSetItem>();
//foreach (XmlNode it in items)
//{
// var mit = new SakaiDataSetItem();
// mit.ItemNumber = it.GetNodeValue("itemnumber");
// string val = it.GetNodeValue("value");
// double value;
// if (val != null && double.TryParse(val, out value))
// {
// mit.Value = value;
// }
// mds.Items.Add(mit);
//}
}
}
XmlNode optionsSingle = quest.SelectSingleNode(OptionSinglePath);
if (optionsSingle == null)
{
continue;
}
string singleChoice = optionsSingle.GetNodeValue("single");
int singleChoiceInt;
if (int.TryParse(singleChoice, out singleChoiceInt))
{
q.is_single = singleChoiceInt > 0;
}
XmlNodeList answers = optionsSingle.SelectNodes(AnswersPath);
if (answers != null)
{
foreach (XmlNode answ in answers)
{
var a = new AnswerDTO();
q.answers.Add(a);
a.id = int.Parse(answ.GetNodeValue("id") ?? "0");
a.text = answ.GetNodeValue("answer");
a.weight = (int)(double.Parse(answ.GetNodeValue("fraction") ?? "0") * 100);
double tolerance;
string tol = answ.GetNodeValue("tolerance");
if (tol != null && double.TryParse(tol, out tolerance))
{
a.margin = tolerance;
}
}
}
XmlNodeList qzs = optionsSingle.SelectNodes(QuestionsPath);
if (qzs != null && qzs.Count == 0)
{
qzs = optionsSingle.SelectNodes(SubquestionsPath);
}
if (qzs != null)
{
foreach (XmlNode quizNode in qzs)
{
var a = new AnswerDTO();
q.answers.Add(a);
a.id = int.Parse(quizNode.GetNodeValue("id") ?? "0");
a.question_type = quizNode.GetNodeValue("questiontype");
a.question_text = quizNode.GetNodeValue("questiontext");
a.text = quizNode.GetNodeValue("answertext");
}
}
}
}
ret.question_list = quizQuestions.ToArray();
ProcessQuiz(ret);
return(ret);
}
