FieloELR.ModuleService Class

class FieloELR.ModuleService.ModuleWrapper{
	//Module record with the Module information
	FieloELR__Module__c module;
	//Module response record created for the current Member related to the taken Module. It must be sent in 'Submit Module' API.
	FieloELR__ModuleResponse__c moduleResponse;
	//List of Questions with choices to show the quizz.
	List<FieloELR__Question__c> questions;
}

Set<String> fieldsModule = new Set<String>{'Name','FieloELR__Description__c', 'FieloELR__ApprovalGrade__c'};
Set<String> fieldsQuestion = new Set<String>{'FieloELR__QuestionText__c','FieloELR__Type__c'};
Set<String> fieldsAnswerOption = new Set<String>{'FieloELR__AnswerOptionText__c','FieloELR__MatchingText__c'};
//getMemberId must be a custom API to obtain the logged Member ID
FieloPLT__Member__c member = [SELECT Id, FieloPLT__Program__c FROM FieloPLT__Member__c WHERE Id =: MemberService.getMemberId()];
FieloELR__Module__c module = [SELECT Id FROM FieloELR__Module__c LIMIT 1];
FieloELR.ModuleService.ModuleWrapper moduleWrapper = FieloELR.ModuleService.takeModule(module.Id, member.Id, fieldsModule, fieldsQuestion, fieldsAnswerOption);
FieloELR__Module__c moduleView = moduleWrapper.module;
//Record is linked to Member
FieloELR__ModuleResponse__c moduleResponse = moduleWrapper.moduleResponse;
//Includes answer options related lists
List<FieloELR__Question__c> questions = moduleWrapper.questions;

class FieloELR.QuestionService.QuestionResponseWrapper{
	//Constructor that will receive the Question and the Module Response ID given by the Take Module API.
	global QuestionResponseWrapper(Id moduleResponseId, Question__c question);
	//Set Answer for short answer Questions
	global void setShortAnswer(String answer);
	//Send the Answer option selected for single choice Questions
	global void setAnswer(AnswerOption__c answerOption);
	//Send the list of Answer options selected for multiple choice Questions
	global void setAnswers(List<AnswerOption__c> answerOptions);
	//Send a map with the mapping between options and chosen Answers
	global void setMatchingAnswers(Map<Id,String> answersMap);
}

///Take Module operation (First Page)
Set<String> fieldsModule = new Set<String>{'Name','FieloELR__Description__c', 'FieloELR__ApprovalGrade__c'};
Set<String> fieldsQuestion = new Set<String>{'FieloELR__QuestionText__c','FieloELR__Type__c'};
Set<String> fieldsAnswerOption = new Set<String>{'FieloELR__AnswerText__c','FieloELR__MatchingOption__c'};
FieloELR__Member__c member = [SELECT Id, FieloPLT__Program__c FROM FieloPLT__Member__c WHERE Id =: MemberService.getMemberId()];
FieloELR__Module__c module = [SELECT Id FROM FieloELR__Module__c LIMIT 1];
FieloELR.ModuleService.ModuleWrapper moduleWrapper = FieloELR.ModuleService.takeModule(module.Id, member.Id, fieldsModule, fieldsQuestion, fieldsAnswerOption);

FieloELR__Module__c module = moduleWrapper.module;
FieloELR__ModuleResponse__c moduleResponse = moduleWrapper.moduleResponse; //Record created for the Member which is sent by means of a parameter in `Submit Module´ method.
List<FieloELR__Question__c> questions = moduleWrapper.questions; //It includes answer options related lists.
//Take Module operation is finished.

List<CourseService.QuestionResponseWrapper> questionWrappers = new List<CourseService.QuestionResponseWrapper>();
for(FieloELR__Question__c question : moduleWrapper.questions){
  FieloELR.QuestionService.QuestionResponseWrapper questionWrapper = new FieloELR.QuestionService.QuestionResponseWrapper(moduleResponse.Id, question){
    if(question.FieloELR__Type__c == 'Short Answer'){
      questionWrapper.setShortAnswer('Selected option');
    }else if(question.FieloELR__Type__c == 'Single Choice' || question.FieloELR__Type__c == 'Statement'){
      questionWrapper.setAnswer(selectedAnswerOption);
    }else if(questionType != 'Multiple Choice' && questionType != 'Matching Options'){
      questionWrapper.setAnswers(selectedAnswerOptions);
    }
}
FieloELR__ModuleResponse__c submittedMResponse = FieloELR.ModuleService.submitModuleResponse (moduleResponse, questionWrappers);
//Submit Module operation is finished.

//Check results
Boolean isApproved = submittedMResponse.FieloELR__IsApproved__c;
Decimal grade = submittedMResponse.FieloELR__Grade__c;

//Take Module operation (First Page)
Set<String> fieldsModule = new Set<String>{'Name','FieloELR__Description__c', 'FieloELR__ApprovalGrade__c'};
Set<String> fieldsQuestion = new Set<String>{'FieloELR__QuestionText__c','FieloELR__Type__c'};
Set<String> fieldsAnswerOption = new Set<String>{'FieloELR__AnswerText__c','FieloELR__MatchingOption__c'};
FieloELR__Member__c member = [SELECT Id, FieloPLT__Program__c FROM FieloPLT__Member__c WHERE Id =: MemberService.getMemberId()];
FieloELR__Module__c module = [SELECT Id FROM FieloELR__Module__c LIMIT 1];
FieloELR.ModuleService.ModuleWrapper moduleWrapper = FieloELR.ModuleService.takeModule(module.Id, member.Id, fieldsModule, fieldsQuestion, fieldsAnswerOption);

FieloELR__Module__c module = moduleWrapper.module;
FieloELR__ModuleResponse__c moduleResponse = moduleWrapper.moduleResponse; //Record created for the Member which is sent by means of a parameter in `Submit Module´ method.
List<FieloELR__Question__c> questions = moduleWrapper.questions; //It includes answer options related lists
//Take Module operation is finished.

//Submit questions
for(FieloELR__Question__c question : moduleWrapper.questions){
  FieloELR.QuestionService.QuestionResponseWrapper questionWrapper = new FieloELR.QuestionService.QuestionResponseWrapper(moduleResponse.Id, question);
    if(question.FieloELR__Type__c == 'Short Answer'){
      questionWrapper.setShortAnswer('Selected option');
    }else if(question.FieloELR__Type__c == 'Single Choice' || question.FieloELR__Type__c == 'Statement'){
      questionWrapper.setAnswer(selectedAnswerOption);
    }else if(questionType != 'Multiple Choice' && questionType != 'Matching Options'){
      questionWrapper.setAnswers(selectedAnswerOptions);
    }
    //Submit question
    Boolean isCorrect = FieloELR.QuestionService.submitQuestion(questionWrapper);
}
//Finish Submit Questions
//Submit Module operations
FieloELR__ModuleResponse__c submittedMResponse = FieloELR.ModuleService.submitModuleResponse (moduleResponse);
//Submit Module operation is finished.

//Check results
Boolean isApproved = submittedMResponse.FieloELR__IsApproved__c;
Decimal grade = submittedMResponse.FieloELR__Grade__c;

class FieloELR.ModuleService.ModuleResponseResult{
	//Module Response with qualification based on the received Module Response ID
	ModuleResponse__c moduleResponse;
	//List of Questions Responses for the given Module Response
	List<FieloELR.QuestionService.QuestionResponseResult> questions;
}

class FieloELR.QuestionService.QuestionResponseResult{
	//Question records
	Question__c question;
	//Number of attempts that the Question was taken
	Integer numberOfAttempts;
	//Question Response with qualification of the question
	QuestionResponse__c questionResponse;
	//List of Answers for the given Question
	List<FieloELR.QuestionService.AnswerWrapper> answerWrappers;
	//Flag that will inform if the Member can repeat the same question
	Boolean canRepeatQuestion;
	//Short description with the information about the corrected answers
	String correctedAnswers;
	//Flag that will inform if the corrected Answers should be shown or not
	Boolean showDetailedAnswers;
}

class FieloELR.QuestionService.AnswerWrapper{
	//Answer option record
	AnswerOption__c answerOption;
	//Status for the option (correct, incorrect, neutral)
	String answerStatus;
}

//View Course Status
Id courseId = 'xxxxxxx';
Set<String> fieldsCourseStatus = new Set<String>{'Name','FieloELR__Progress__c','FieloELR__Course__r.Name'};
Set<String> fieldsModuleResponse = new Set<String>{'Name','FieloELR__Grade__c', 'FieloELR__Module__r.Name'};
FieloELR__Member__c member = [SELECT Id, FieloPLT__Program__c FROM FieloPLT__Member__c WHERE Id =: MemberService.getMemberId()];
FieloELR__CourseStatus__c courseStatus = FieloELR.CourseService.getCourses(fieldsCourseStatus, fieldsModuleResponse,new Set<Id>{courseId},  member.Id, null, null, null)[0];
//Finish Course Status view.

//Get Module Responses detail
Set<String> fieldsModuleResponse = new Set<String>{'Name','FieloELR__Grade__c', 'FieloELR__Module__r.Name'};
Set<String> fieldsQuestion = new Set<String>{'Name','FieloELR__QuestionText__c','FieloELR__Type__c'};
Set<String> fieldsAnswerOption = new Set<String>{'Name','FieloELR__TextValue__c','FieloELR__MatchingOption__c'};

for(FieloELR__ModuleResponse__c mr : courseStatus.FieloELR__ModuleResponses__r){
  	FieloELR.ModuleService.ModuleResponseWrapper mrWrapper = FieloELR.ModuleService.getModuleResponse(mr.Id, fieldsModuleResponse, fieldsQuestion, fieldsAnswerOption);

  	for(FieloELR.ModuleService.QuestionResponseWrapper qrWrapper : mrWrapper.questions){
        FieloELR__Question__c question = qrWrapper.question;
        Integer numberOfAttempts = qrWrapper.numberOfAttempts;
        FieloELR__QuestionResponse__c questionResponse = qrWrapper.questionResponse;
        for(FieloELR.ModuleService.AnswerResponse answerResponseWrapper : qrWrapper.answerWrappers){
						FieloELR__AnswerOption__c answerOption = answerResponseWrapper.answerOption;
          	String answerStatus = answerResponseWrapper.answerStatus;
        }
}