public virtual LmsQuestionDTO ParseQuestion(BBQuestionDTO dto)
{
var ret = new LmsQuestionDTO()
{
//question_text = dto.text.ClearName(),
question_type = dto.type,
is_single = singleQuestionTypes.Any(
x => dto.type.Equals(x, StringComparison.InvariantCultureIgnoreCase)),
question_name = dto.title.ClearName(),
id = BlackboardHelper.GetBBId(dto.id),
rows = dto.rows,
answers = ParseAnswers(dto)
};
ret.question_text = dto.htmlText.ClearName();
ret.htmlText = dto.htmlText;
var imageLinks = dto.answersImageLinks as JToken;
ret.answersImageLinks = imageLinks != null?imageLinks.ToObject <List <string> >() : null;
ret.answers.ForEach(
a =>
{
a.text = a.text.ClearName();
a.question_text = a.question_text.ClearName();
});
ret.caseSensitive = ret.answers.Any(x => x.caseSensitive);
return(ret);
}
public override LmsQuestionDTO ParseQuestion(BBQuestionDTO dto)
{
var baseResult = base.ParseQuestion(dto);
baseResult.question_text = dto.questionText;
return(baseResult);
}
protected override List <AnswerDTO> ParseAnswers(BBQuestionDTO q)
{
var dto = ParseFillInBlankAnswer((q.answersList as JToken).ToObject <List <string> >(), BlankName, 0);
return(new List <AnswerDTO> {
dto
});
}
public override LmsQuestionDTO ParseQuestion(BBQuestionDTO dto)
{
var ret = base.ParseQuestion(dto);
// inserting blank replacer in the end to handle this question type in the same way as 'Fill in multiple blanks' type
ret.question_text += " " + String.Format(BlankFormat, BlankName);
return(ret);
}
protected override List <AnswerDTO> ParseAnswers(BBQuestionDTO q)
{
var ret = new List <AnswerDTO>();
int i = 0;
foreach (var answer in (JObject)q.answersList)
{
var dto = ParseFillInBlankAnswer(answer.Value.ToObject <List <FillInTheBlankAnswer> >(), answer.Key, i);
ret.Add(dto);
i++;
}
return(ret);
}
public override LmsQuestionDTO ParseQuestion(BBQuestionDTO dto)
{
var lmsQuestion = base.ParseQuestion(dto);
if (!string.IsNullOrEmpty(dto.questionImageLink) && !string.IsNullOrEmpty(dto.questionImageBinary))
{
var fileDto = new LmsQuestionFileDTO
{
fileName = dto.questionImageLink.Split('/').Last(),
fileUrl = dto.questionImageLink,
base64Content = dto.questionImageBinary
};
lmsQuestion.files.Add(0, fileDto);
}
return(lmsQuestion);
}
public virtual LmsQuestionDTO ParseQuestion(BBQuestionDTO dto)
{
var ret = new LmsQuestionDTO()
{
//question_text = dto.text.ClearName(),
question_type = dto.type,
is_single = singleQuestionTypes.Any(
x => dto.type.Equals(x, StringComparison.InvariantCultureIgnoreCase)),
question_name = dto.title.ClearName(),
id = int.Parse(dto.id),
rows = dto.rows,
answers = ParseAnswers(dto)
};
ret.question_text = dto.htmlText.ClearName();
ret.htmlText = dto.htmlText;
var imageLinks = dto.answersImageLinks as JToken;
ret.answersImageLinks = imageLinks?.ToObject <List <string> >();
ret.answers.ForEach(
a =>
{
a.text = a.text.ClearName();
//a.text = a.text.ClearName();
a.question_text = a.question_text.ClearName();
});
ret.caseSensitive = ret.answers.Any(x => x.caseSensitive);
//var lmsQuestion = ret;
//if (!string.IsNullOrEmpty(dto.questionImageBinary))
//{
// var fileDto = new LmsQuestionFileDTO
// {
// fileName = !string.IsNullOrEmpty(dto.questionImageLink) ? dto.questionImageLink.Split('/').Last() : string.Empty,
// fileUrl = dto.questionImageLink,
// base64Content = dto.questionImageBinary
// };
// lmsQuestion.files.Add(0, fileDto);
//}
return(ret);
}
public override LmsQuestionDTO ParseQuestion(BBQuestionDTO dto)
{
var ret = new LmsQuestionDTO()
{
question_text = dto.text.ClearName(),
question_type = dto.type,
is_single = singleQuestionTypes.Any(
x => dto.type.Equals(x, StringComparison.InvariantCultureIgnoreCase)),
question_name = dto.title.ClearName(),
id = int.Parse(dto.id),
rows = dto.rows,
answers = ParseAnswers(dto)
};
ret.answers.ForEach(
a =>
{
a.text = a.question_text;
a.question_text = a.question_text.ClearName();
});
ret.caseSensitive = ret.answers.Any(x => x.caseSensitive);
var lmsQuestion = ret;
if (!string.IsNullOrEmpty(dto.questionImageBinary))
{
var fileDto = new LmsQuestionFileDTO
{
fileName = !string.IsNullOrEmpty(dto.questionImageLink) ? dto.questionImageLink.Split('/').Last() : string.Empty,
fileUrl = dto.questionImageLink,
base64Content = dto.questionImageBinary
};
lmsQuestion.files.Add(0, fileDto);
}
return(lmsQuestion);
}
protected override List <AnswerDTO> ParseAnswers(BBQuestionDTO q)
{
//if (!string.IsNullOrEmpty(q.answer))
//{
// var result = q.answer.Split(';').Select(x => new AnswerDTO()
// {
// text = x,
// weight = 100,
// id = 0,
// });
// return result.ToList();
//}
//return base.ParseAnswers(q);
var ret = new List <AnswerDTO>();
//if (q.answersList is JObject)
//{
// var answersList = q.answersList as JObject;
// if (answersList["image"] != null)
// {
// var coords = answersList["coord"].ToString();
// if (coords.Length < 4)
// {
// return ret;
// }
// var image = answersList["image"].ToString();
// var fileData = answersList["imageBinary"].ToString();
// ret.Add(new AnswerDTO()
// {
// text = coords,
// question_text = image,
// fileData = fileData
// });
// return ret;
// }
// return ret;
// // end of code which should be removed
//}
if (q.answersList is JContainer)
{
List <string> answers = null;
if (q.answers is JContainer)
{
answers = (q.answers as JContainer).Select(t => t.ToString()).ToList();
}
var answersList = q.answersList as JContainer;
var i = 0;
foreach (var answer in answersList)
{
int order = 0;
string questionText = null, answerText = null, imageBinary = string.Empty, imageName = String.Empty;
// multiple answer
if (answer is JObject)
{
foreach (var option in answer as JObject)
{
questionText = option.Key;
answerText = option.Value.ToString();
break;
}
foreach (var option in answer as JObject)
{
if (option.Key == "imageBinary")
{
imageBinary = option.Value.ToString();
}
if (option.Key == "image")
{
imageName = option.Value.ToString();
}
}
}
// single answer
else
{
answerText = answer.ToString();
int.TryParse(answerText, out order);
}
bool isCorrect;
bool.TryParse(answerText, out isCorrect);
ret.Add(new AnswerDTO()
{
id = i,
text = answers != null && answers.Count > i ? answers[i] : answerText,
order = order,
question_text = questionText,
weight = isCorrect ? 100 : 0,
fileData = imageBinary,
imageName = imageName
});
i++;
}
}
return(ret);
}
protected virtual List <AnswerDTO> ParseAnswers(BBQuestionDTO q)
{
var correctAnswerId = 0;
if (!string.IsNullOrEmpty(q.answer))
{
if (q.answers == null && q.answersList == null)
{
string answerFirstPart = null;
if (!string.IsNullOrEmpty(q.answersChoices))
{
var dotIndex = q.answersChoices.IndexOf(".");
answerFirstPart = q.answersChoices.Substring(0, dotIndex);
}
double margin = 0;
if (q.answerRange != null)
{
double.TryParse(q.answerRange, out margin);
}
return(new List <AnswerDTO>()
{
new AnswerDTO()
{
text = q.answer, weight = 100, id = 0, margin = margin, question_text = answerFirstPart
}
});
}
else
{
correctAnswerId = int.Parse(q.answer);
}
}
var ret = new List <AnswerDTO>();
if (q.answersList is JObject)
{
var answersList = q.answersList as JObject;
if (answersList["image"] != null)
{
var coords = answersList["coord"].ToString();
if (coords.Length < 4)
{
return(ret);
}
var image = answersList["image"].ToString();
//var fileData = answersList["imageBinary"].ToString();
string fileDataBase64 = null;
var lazyLoadImages = images();
lazyLoadImages.TryGetValue(image, out fileDataBase64);
var answerDto = new AnswerDTO()
{
text = coords,
question_text = image,
//fileData = Encoding.UTF8.GetString(fileData)
};
if (fileDataBase64 != null)
{
answerDto.fileData = fileDataBase64;
}
ret.Add(answerDto);
return(ret);
}
// todo: this code is not needed anymore, need to check and remove. It was used for 'fill in multiple blanks' question type which has separate parser now
var i = 0;
foreach (var answer in answersList)
{
var dto = ParseFillInBlank(answer.Value, answer.Key, i);
ret.Add(dto);
i++;
}
return(ret);
// end of code which should be removed
}
if (q.variableSets is JObject)
{
var variableSets = q.variableSets as JObject;
foreach (var set in variableSets)
{
double tolerance = 0;
double.TryParse(q.tolerance, out tolerance);
var quizAnswer = new AnswerDTO()
{
id = 0,
margin = tolerance,
question_text = set.Key,
text = DecodeFormula(q.formula),
weight = 100
};
if (set.Value is JObject)
{
foreach (var variable in set.Value as JObject)
{
if (variable.Key.Equals("answer"))
{
quizAnswer.answer = double.Parse(variable.Value.ToString());
}
else
{
quizAnswer.variables.Add(new VariableDTO()
{
name = variable.Key,
value = variable.Value.ToString()
});
}
}
}
ret.Add(quizAnswer);
break;
}
return(ret);
}
if (q.answers is JObject)
{
var answersList = q.answers as JObject;
var i = 0;
if (answersList.Count > 0)
{
foreach (var answer in answersList)
{
var rightAnswer = answer.Value != null?answer.Value.ToString() : string.Empty;
if (q.choices is JObject)
{
var currentChoice = (q.choices as JObject)[answer.Key];
if (currentChoice != null)
{
foreach (var option in currentChoice as JObject)
{
var answerDto = new AnswerDTO()
{
id = i++,
blank_id = answer.Key,
match_id = option.Key,
text = option.Value.ToString(),
weight = option.Key.Equals(rightAnswer) ? 100 : 0
};
ret.Add(answerDto);
}
}
}
}
}
else if (q.choices is JObject)
{
foreach (var choice in q.choices as JObject)
{
foreach (var option in choice.Value as JObject)
{
var answerDto = new AnswerDTO()
{
id = i++,
blank_id = choice.Key,
match_id = option.Key,
text = option.Value.ToString()
};
ret.Add(answerDto);
}
}
}
return(ret);
}
if (q.answerPhrasesList != null || q.questionWordsList != null)
{
var i = 0;
foreach (var question in q.questionWordsList ?? new string[] { string.Empty })
{
foreach (var phrase in q.answerPhrasesList ?? new string[] { string.Empty })
{
var answer = string.Format("{0} {1}", question, phrase).Trim();
ret.Add(new AnswerDTO()
{
text = answer, weight = 100, id = i++
});
}
}
return(ret);
}
if (q.answersList is JContainer)
{
List <string> answers = null;
if (q.answers is JContainer)
{
answers = (q.answers as JContainer).Select(t => t.ToString()).ToList();
}
var answersList = q.answersList as JContainer;
var i = 0;
foreach (var answer in answersList)
{
int order = 0;
string questionText = null, answerText = null, lmsValue = null;
//byte[] matchingImage = null;
string leftMatchingImageText = string.Empty;
string rightMatchingImageText = string.Empty;
if (answer is JObject)
{
foreach (var option in answer as JObject)
{
questionText = option.Key;
answerText = option.Value.ToString();
break;
}
var propIndex = (answer as JObject).Properties().FirstOrDefault(x => x.Name == "index");
if (propIndex != null)
{
lmsValue = propIndex.Value.ToString();
int propIndexInt;
var isIndexInt = int.TryParse(lmsValue, out propIndexInt);
if (isIndexInt)
{
var leftImage = (answer as JObject).Properties().FirstOrDefault(x => x.Name == "leftImageLink");
if (leftImage != null)
{
//var lazyLoadImages = images();
//lazyLoadImages.TryGetValue(leftImage.Value.ToString(), out matchingImage);
leftMatchingImageText = leftImage.Value.ToString();
}
var rightImage = (answer as JObject).Properties().FirstOrDefault(x => x.Name == "rightImageLink");
if (rightImage != null)
{
//var lazyLoadImages = images();
//lazyLoadImages.TryGetValue(rightImage.Value.ToString(), out matchingImage);
rightMatchingImageText = rightImage.Value.ToString();
}
}
}
}
else
{
answerText = answer.ToString();
int.TryParse(answerText, out order);
}
var answerDto = new AnswerDTO()
{
id = i,
match_id = lmsValue,
text = answers != null && answers.Count > i ? answers[i] : answerText,
order = order,
question_text = questionText,
/*weight = i == correctAnswerId ? 100 : 0*/
weight = q.type.Equals("Fill in the blank", StringComparison.OrdinalIgnoreCase) ? 100 : i == correctAnswerId ? 100 : 0
};
if (!string.IsNullOrEmpty(leftMatchingImageText))
{
answerDto.leftImageName = leftMatchingImageText;
}
if (!string.IsNullOrEmpty(rightMatchingImageText))
{
answerDto.rightImageName = rightMatchingImageText;
}
ret.Add(answerDto);
i++;
}
return(ret);
}
return(new List <AnswerDTO>()
{
new AnswerDTO()
{
text = "no answer", weight = 100, id = 0
}
});
}
//protected class FillInTheBlankAnswer
//{
// public string text { get; set; }
// public string subType { get; set; }
// public bool caseSensitive { get; set; }
//}
protected override List <AnswerDTO> ParseAnswers(BBQuestionDTO q)
{
//var ret = new List<AnswerDTO>();
//int i = 0;
//var answersList = (JArray)q.answersList;
//var items = answersList.ToObject<List<FillInTheBlankAnswer>>();
////foreach (var answer in items)
//{
// var dto = ParseFillInBlankAnswer(items, "don't know", i);
// ret.Add(dto);
// //i++;
//}
//return ret;
var ret = new List <AnswerDTO>();
int i = 0;
foreach (var answer in (JObject)q.answersList)
{
var dto = ParseFillInBlankAnswer(answer.Value.ToObject <List <string> >(), answer.Key, i);
ret.Add(dto);
i++;
}
if (q.variableSets is JObject)
{
var variableSets = q.variableSets as JObject;
foreach (var set in variableSets)
{
double tolerance = 0;
double.TryParse(q.tolerance, out tolerance);
var quizAnswer = new AnswerDTO()
{
id = 0,
margin = tolerance,
question_text = set.Key,
text = DecodeFormula(q.formula),
weight = 100
};
if (set.Value is JObject)
{
foreach (var variable in set.Value as JObject)
{
if (variable.Key.Equals("answer"))
{
quizAnswer.answer = double.Parse(variable.Value.ToString());
}
else
{
quizAnswer.variables.Add(new VariableDTO()
{
name = variable.Key,
value = variable.Value.ToString()
});
}
}
}
ret.Add(quizAnswer);
break;
}
return(ret);
}
return(ret);
}
