// Fetch the Questionnaire.
private async Task FetchQuestionnaire()
{
// Send token with Http request
apiRequestHelper.SetTokenHeader();
// Send a GET request to the API.
string apiResponse = await apiRequestHelper.GetRequest(Constants.questionnaireUrl + "/" + questionnaireId);
if (apiResponse != null)
{
// Convert the API response into a JSON object.
dynamic convertedJson = JsonConvert.DeserializeObject(apiResponse);
// Save all the answers.
List <AnswerGetViewModel> answers = new List <AnswerGetViewModel>();
dynamic answersJson = convertedJson.answers;
foreach (var answer in answersJson)
{
answers.Add(new AnswerGetViewModel
{
QuestionId = (int)answer.questionId,
Question = (string)answer.question,
Answer = (string)answer.answer
});
}
// Create a new object from the questionnaire.
questionnaire = new QuestionnaireGetViewModel
{
Time = (DateTime)convertedJson.time,
Client_id = (string)convertedJson.client_id,
Redflag = (bool)convertedJson.redflag,
Answers = answers
};
}
else
{
DisplayAlert("Error", "Sorry, something went wrong. Please try again later.", "Okay");
}
// Update the view.
UpdateView();
}
public QuestionnaireGetViewModel GetViewModel(string language)
{
var questionnaire = new QuestionnaireGetViewModel()
{
Id = _questionnaireStoreModel.Id,
Category = _questionnaireStoreModel.Category,
Version = _questionnaireStoreModel.Version,
Questions = new Collection <FormlyQuestionGetView>(),
};
foreach (var question in _questionnaireStoreModel.Questions)
{
var viewModelQuestion = new FormlyQuestionGetView()
{
Id = question.Id,
Key = question.Name,
Type = question.Type,
Version = question.Version,
TemplateOptions = new TemplateOptionsGetView()
};
foreach (var template in question.QuestionTemplate)
{
if (String.Equals(template.Language, language, StringComparison.CurrentCultureIgnoreCase))
{
viewModelQuestion.TemplateOptions.Id = template.Id;
viewModelQuestion.TemplateOptions.Description = template.Description;
viewModelQuestion.TemplateOptions.Label = template.Label;
viewModelQuestion.TemplateOptions.Language = template.Language;
viewModelQuestion.TemplateOptions.Placeholder = template.Placeholder;
viewModelQuestion.TemplateOptions.Type = template.InputType;
viewModelQuestion.TemplateOptions.Multiple = template.AllowedToSelectMultipleOptions;
viewModelQuestion.TemplateOptions.SelectAllOption = template.SelectAllOption;
viewModelQuestion.TemplateOptions.Options = new Collection <FormlyOption>();
foreach (var options in template.Options)
{
var option = new FormlyOption()
{
Id = options.Id,
Value = options.Value,
Label = options.Label
};
viewModelQuestion.TemplateOptions.Options.Add(option);
}
viewModelQuestion.ExpressionProperties = new Dictionary <string, string>();
questionnaire.Questions.Add(viewModelQuestion);
}
}
foreach (var questionRule in _questionnaireStoreModel.QuestionRules)
{
foreach (var viewQuestion in questionnaire.Questions)
{
if (viewQuestion.Key.ToLower() == questionRule.Name.ToLower())
{
if (questionRule.ExpressionModel.Count != 0)
{
foreach (var y in questionRule.ExpressionModel)
{
viewQuestion.ExpressionProperties.Add(y.Key, y.Expression);
}
}
viewQuestion.HideExpression = questionRule.HideQuestion;
viewQuestion.Required = questionRule.Required;
}
}
}
}
return(questionnaire);
}
