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swad-core/swad_test.c

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// swad_test.c: self-assessment tests
/*
SWAD (Shared Workspace At a Distance),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2024 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/*********************************** Headers *********************************/
/*****************************************************************************/
#define _GNU_SOURCE // For asprintf
#include <limits.h> // For UINT_MAX
#include <linux/limits.h> // For PATH_MAX
#include <mysql/mysql.h> // To access MySQL databases
#include <stdbool.h> // For boolean type
#include <stddef.h> // For NULL
#include <stdio.h> // For asprintf
#include <stdlib.h> // For exit, system, malloc, free, etc
#include <string.h> // For string functions
#include <sys/stat.h> // For mkdir
#include <sys/types.h> // For mkdir
#include "swad_action.h"
#include "swad_action_list.h"
#include "swad_alert.h"
#include "swad_box.h"
#include "swad_database.h"
#include "swad_error.h"
#include "swad_exam_set.h"
#include "swad_figure.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_hierarchy_type.h"
#include "swad_HTML.h"
#include "swad_ID.h"
#include "swad_language.h"
#include "swad_match.h"
#include "swad_media.h"
#include "swad_parameter.h"
#include "swad_parameter_code.h"
#include "swad_question.h"
#include "swad_question_database.h"
#include "swad_question_import.h"
#include "swad_tag_database.h"
#include "swad_test.h"
#include "swad_test_config.h"
#include "swad_test_database.h"
#include "swad_test_print.h"
#include "swad_test_visibility.h"
#include "swad_theme.h"
#include "swad_user.h"
#include "swad_xml.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Tst_ShowFormRequestTest (struct Qst_Questions *Questions);
static void Tst_ShowFormNumQsts (void);
static bool Tst_CheckIfNextTstAllowed (void);
static void Tst_GetQuestionsForNewTest (struct Qst_Questions *Questions,
struct TstPrn_Print *Print);
static void Tst_GenerateChoiceIndexes (struct TstPrn_PrintedQuestion *PrintedQuestion,
bool Shuffle);
static unsigned Tst_GetParNumTst (void);
static unsigned Tst_GetParNumQsts (void);
/*****************************************************************************/
/********************* Request a self-assessment test ************************/
/*****************************************************************************/
void Tst_ReqTest (void)
{
struct Qst_Questions Questions;
/***** Create questions *****/
Qst_Constructor (&Questions);
/***** Show form to generate a self-assessment test *****/
Tst_ShowFormRequestTest (&Questions);
/***** Destroy questions *****/
Qst_Destructor (&Questions);
}
/*****************************************************************************/
/*************** Show form to generate a self-assessment test ****************/
/*****************************************************************************/
static void Tst_ShowFormRequestTest (struct Qst_Questions *Questions)
{
extern const char *Hlp_ASSESSMENT_Tests;
extern const char *Txt_Test;
extern const char *Txt_Generate_test;
extern const char *Txt_No_questions;
MYSQL_RES *mysql_res;
/***** Read test configuration from database *****/
TstCfg_GetConfig ();
/***** Begin box *****/
Box_BoxBegin (Txt_Test,Tst_PutIconsTests,NULL,
Hlp_ASSESSMENT_Tests,Box_NOT_CLOSABLE);
/***** Get tags *****/
if ((Questions->Tags.Num = Tag_DB_GetEnabledTagsFromCrs (&mysql_res,
Gbl.Hierarchy.Node[Hie_CRS].HieCod)) != 0)
{
/***** Check if minimum date-time of next access to test is older than now *****/
if (Tst_CheckIfNextTstAllowed ())
{
Frm_BeginForm (ActSeeTst);
HTM_TABLE_BeginPadding (2);
/***** Selection of tags *****/
Tag_ShowFormSelTags (&Questions->Tags,mysql_res,true);
/***** Selection of types of answers *****/
Qst_ShowFormAnswerTypes (&Questions->AnswerTypes);
/***** Number of questions to generate ****/
Tst_ShowFormNumQsts ();
HTM_TABLE_End ();
/***** Send button *****/
Btn_PutConfirmButton (Txt_Generate_test);
Frm_EndForm ();
}
}
else
/***** Warning message *****/
Ale_ShowAlert (Ale_INFO,Txt_No_questions);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** End box *****/
Box_BoxEnd ();
}
/*****************************************************************************/
/************ Show form for enter number of questions to generate ************/
/*****************************************************************************/
static void Tst_ShowFormNumQsts (void)
{
extern const char *Txt_Number_of_questions;
HTM_TR_Begin (NULL);
/***** Label *****/
Frm_LabelColumn ("Frm_C1 RT","NumQst",
Txt_Number_of_questions);
/***** Data *****/
HTM_TD_Begin ("class=\"Frm_C2 LT\"");
HTM_INPUT_LONG ("NumQst",
(long) TstCfg_GetConfigMin (),
(long) TstCfg_GetConfigMax (),
(long) TstCfg_GetConfigDef (),
HTM_DONT_SUBMIT_ON_CHANGE,
TstCfg_GetConfigMin () == TstCfg_GetConfigMax (),
"id=\"NumQst\" class=\"Frm_C2_INPUT INPUT_%s\""
" required=\"required\"",
The_GetSuffix ());
HTM_TD_End ();
HTM_TR_End ();
}
/*****************************************************************************/
/********************** Generate self-assessment test ************************/
/*****************************************************************************/
void Tst_ShowNewTest (void)
{
extern const char *Txt_No_questions_found_matching_your_search_criteria;
struct Qst_Questions Questions;
struct TstPrn_Print Print;
unsigned NumPrintsGeneratedByMe;
/***** Create test *****/
Qst_Constructor (&Questions);
/***** Read test configuration from database *****/
TstCfg_GetConfig ();
if (Tst_CheckIfNextTstAllowed ())
{
/***** Check that all parameters used to generate a test are valid *****/
if (Tst_GetParsTst (&Questions,Tst_SHOW_TEST_TO_ANSWER)) // Get parameters from form
{
/***** Get questions *****/
TstPrn_ResetPrint (&Print);
Tst_GetQuestionsForNewTest (&Questions,&Print);
if (Print.NumQsts.All)
{
/***** Increase number of exams generated (answered or not) by me *****/
Tst_DB_IncreaseNumMyPrints ();
NumPrintsGeneratedByMe = TstPrn_GetNumPrintsGeneratedByMe ();
/***** Create new test print in database *****/
Print.PrnCod = Tst_DB_CreatePrint (Print.NumQsts.All);
TstPrn_ComputeScoresAndStoreQuestionsOfPrint (&Print,
false); // Don't update question score
/***** Show test print to be answered *****/
TstPrn_ShowTestPrintToFillIt (&Print,NumPrintsGeneratedByMe,TstPrn_REQUEST);
/***** Update date-time of my next allowed access to test *****/
if (Gbl.Usrs.Me.Role.Logged == Rol_STD)
Tst_DB_UpdateLastAccTst (Questions.NumQsts);
}
else // No questions found
{
Ale_ShowAlert (Ale_INFO,Txt_No_questions_found_matching_your_search_criteria);
Tst_ShowFormRequestTest (&Questions); // Show the form again
}
}
else
Tst_ShowFormRequestTest (&Questions); // Show the form again
}
/***** Destroy test *****/
Qst_Destructor (&Questions);
}
/*****************************************************************************/
/** Receive the draft of a test print already (total or partially) answered **/
/*****************************************************************************/
void Tst_ReceiveTestDraft (void)
{
extern const char *Txt_The_test_X_has_already_been_assessed_previously;
extern const char *Txt_Please_review_your_answers_before_submitting_the_exam;
unsigned NumTst;
struct TstPrn_Print Print;
/***** Read test configuration from database *****/
TstCfg_GetConfig ();
/***** Get basic parameters of the exam *****/
/* Get test print code from form */
TstPrn_ResetPrint (&Print);
Print.PrnCod = ParCod_GetAndCheckPar (ParCod_Prn);
/* Get number of this test from form */
NumTst = Tst_GetParNumTst ();
/***** Get test print from database *****/
TstPrn_GetPrintDataByPrnCod (&Print);
/****** Get test status in database for this session-course-num.test *****/
if (Print.Sent)
Ale_ShowAlert (Ale_WARNING,Txt_The_test_X_has_already_been_assessed_previously,
NumTst);
else // Print not yet sent
{
/***** Get test print questions from database *****/
if (!TstPrn_GetPrintQuestionsFromDB (&Print))
Err_WrongExamExit ();
/***** Get answers from form to assess a test *****/
TstPrn_GetAnswersFromForm (&Print);
/***** Update test print in database *****/
TstPrn_ComputeScoresAndStoreQuestionsOfPrint (&Print,
false); // Don't update question score
Tst_DB_UpdatePrint (&Print);
/***** Show question and button to send the test *****/
/* Begin alert */
Ale_ShowAlert (Ale_WARNING,Txt_Please_review_your_answers_before_submitting_the_exam);
/* Show the same test print to be answered */
TstPrn_ShowTestPrintToFillIt (&Print,NumTst,TstPrn_CONFIRM);
}
}
/*****************************************************************************/
/******************************** Assess a test ******************************/
/*****************************************************************************/
void Tst_AssessTest (void)
{
extern const char *Hlp_ASSESSMENT_Tests;
extern const char *Txt_Result;
extern const char *Txt_Test_No_X_that_you_make_in_this_course;
extern const char *Txt_Score;
extern const char *Txt_Grade;
extern const char *Txt_The_test_X_has_already_been_assessed_previously;
unsigned NumTst;
struct TstPrn_Print Print;
/***** Read test configuration from database *****/
TstCfg_GetConfig ();
/***** Get basic parameters of the exam *****/
/* Get test print code from form */
TstPrn_ResetPrint (&Print);
Print.PrnCod = ParCod_GetAndCheckPar (ParCod_Prn);
/* Get number of this test from form */
NumTst = Tst_GetParNumTst ();
/***** Get test print from database *****/
TstPrn_GetPrintDataByPrnCod (&Print);
/****** Get test status in database for this session-course-num.test *****/
if (Print.Sent)
Ale_ShowAlert (Ale_WARNING,Txt_The_test_X_has_already_been_assessed_previously,
NumTst);
else // Print not yet sent
{
/***** Get test print questions from database *****/
if (!TstPrn_GetPrintQuestionsFromDB (&Print))
Err_WrongExamExit ();
/***** Get answers from form to assess a test *****/
TstPrn_GetAnswersFromForm (&Print);
/***** Get if test print will be visible by teachers *****/
Print.Sent = true; // The exam has been finished and sent by student
Print.AllowTeachers = Par_GetParBool ("AllowTchs");
/***** Update test print in database *****/
TstPrn_ComputeScoresAndStoreQuestionsOfPrint (&Print,
Gbl.Usrs.Me.Role.Logged == Rol_STD); // Update question score?
Tst_DB_UpdatePrint (&Print);
/***** Begin box *****/
Box_BoxBegin (Txt_Result,NULL,NULL,
Hlp_ASSESSMENT_Tests,Box_NOT_CLOSABLE);
Lay_WriteHeaderClassPhoto (Vie_VIEW);
/***** Header *****/
if (Gbl.Usrs.Me.IBelongToCurrent[Hie_CRS] == Usr_BELONG)
{
HTM_DIV_Begin ("class=\"Tst_SUBTITLE DAT_%s\"",
The_GetSuffix ());
HTM_TxtF (Txt_Test_No_X_that_you_make_in_this_course,NumTst);
HTM_DIV_End ();
}
/***** Write answers and solutions *****/
TstPrn_ShowPrintAfterAssess (&Print);
/***** Write total score and grade *****/
if (TstVis_IsVisibleTotalScore (TstCfg_GetConfigVisibility ()))
{
HTM_DIV_Begin ("class=\"CM DAT_STRONG_%s BOLD\"",
The_GetSuffix ());
HTM_TxtColonNBSP (Txt_Score);
HTM_Double2Decimals (Print.Score);
HTM_BR ();
HTM_TxtColonNBSP (Txt_Grade);
TstPrn_ComputeAndShowGrade (Print.NumQsts.All,Print.Score,Tst_SCORE_MAX);
HTM_DIV_End ();
}
/***** End box *****/
Box_BoxEnd ();
}
}
/*****************************************************************************/
/************** Check minimum date-time of next access to test ***************/
/*****************************************************************************/
// Return true if allowed date-time of next access to test is older than now
static bool Tst_CheckIfNextTstAllowed (void)
{
extern const char *Hlp_ASSESSMENT_Tests;
extern const char *Txt_You_can_not_take_a_new_test_until;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
long NumSecondsFromNowToNextAccTst = -1L; // Access allowed when this number <= 0
time_t TimeNextTestUTC = (time_t) 0;
/***** Teachers and superusers are allowed to do all tests they want *****/
if (Gbl.Usrs.Me.Role.Logged == Rol_TCH ||
Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM)
return true;
/***** Get date of next allowed access to test from database *****/
if (Tst_DB_GetDateNextTstAllowed (&mysql_res))
{
/* Get seconds from now to next access to test (row[0]) */
row = mysql_fetch_row (mysql_res);
if (row[0])
if (sscanf (row[0],"%ld",&NumSecondsFromNowToNextAccTst) == 1)
/* Time UTC of next access allowed (row[1]) */
TimeNextTestUTC = Dat_GetUNIXTimeFromStr (row[1]);
}
else
Err_WrongDateExit ();
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** Check if access is allowed *****/
if (NumSecondsFromNowToNextAccTst > 0)
{
/***** Write warning *****/
Ale_ShowAlert (Ale_WARNING,"%s:<br />"
"<span id=\"date_next_test\"></span>."
"<script type=\"text/javascript\">"
"writeLocalDateHMSFromUTC('date_next_test',%ld,"
"%u,',&nbsp;',%u,true,true,true,0x7);"
"</script>",
Txt_You_can_not_take_a_new_test_until,
(long) TimeNextTestUTC,
(unsigned) Gbl.Prefs.DateFormat,
(unsigned) Gbl.Prefs.Language);
return false;
}
return true;
}
/*****************************************************************************/
/********************* Put contextual icons in tests *************************/
/*****************************************************************************/
void Tst_PutIconsTests (__attribute__((unused)) void *Args)
{
switch (Gbl.Usrs.Me.Role.Logged)
{
case Rol_STD:
/***** Put icon to view test results *****/
Ico_PutContextualIconToShowResults (ActReqSeeMyTstRes,NULL,
NULL,NULL);
break;
case Rol_NET:
case Rol_TCH:
case Rol_SYS_ADM:
/***** Put icon to go to test configuration *****/
Ico_PutContextualIconToConfigure (ActCfgTst,NULL,
NULL,NULL);
/***** Put icon to edit tags *****/
Tag_PutIconToEditTags ();
/***** Put icon to view test results *****/
Ico_PutContextualIconToShowResults (ActReqSeeUsrTstRes,NULL,
NULL,NULL);
break;
default:
break;
}
/***** Put icon to show a figure *****/
Fig_PutIconToShowFigure (Fig_TESTS);
}
/*****************************************************************************/
/************** Get questions for a new test from the database ***************/
/*****************************************************************************/
#define Qst_MAX_BYTES_QUERY_QUESTIONS (16 * 1024 - 1)
static void Tst_GetQuestionsForNewTest (struct Qst_Questions *Questions,
struct TstPrn_Print *Print)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
Qst_AnswerType_t AnswerType;
bool Shuffle;
unsigned QstInd;
/***** Trivial check: number of questions *****/
if (Questions->NumQsts == 0 ||
Questions->NumQsts > TstCfg_MAX_QUESTIONS_PER_TEST)
Err_ShowErrorAndExit ("Wrong number of questions.");
/***** Get questions and answers from database *****/
Print->NumQsts.All =
Questions->NumQsts = Qst_DB_GetQstsForNewTestPrint (&mysql_res,Questions);
for (QstInd = 0;
QstInd < Print->NumQsts.All;
QstInd++)
{
/* Get question row */
row = mysql_fetch_row (mysql_res);
/*
QstCod row[0]
AnsType row[1]
Shuffle row[2]
*/
/* Get question code (row[0]) */
if ((Print->PrintedQuestions[QstInd].QstCod = Str_ConvertStrCodToLongCod (row[0])) <= 0)
Err_ShowErrorAndExit ("Wrong code of question.");
/* Get answer type (row[1]) */
AnswerType = Qst_ConvertFromStrAnsTypDBToAnsTyp (row[1]);
/* Get shuffle (row[2]) */
Shuffle = (row[2][0] == 'Y');
/* Set indexes of answers */
switch (AnswerType)
{
case Qst_ANS_INT:
case Qst_ANS_FLOAT:
case Qst_ANS_TRUE_FALSE:
case Qst_ANS_TEXT:
Print->PrintedQuestions[QstInd].StrIndexes[0] = '\0';
break;
case Qst_ANS_UNIQUE_CHOICE:
case Qst_ANS_MULTIPLE_CHOICE:
/* If answer type is unique or multiple option,
generate indexes of answers depending on shuffle */
Tst_GenerateChoiceIndexes (&Print->PrintedQuestions[QstInd],Shuffle);
break;
default:
break;
}
/* Reset user's answers.
Initially user has not answered the question ==> initially all answers will be blank.
If the user does not confirm the submission of their exam ==>
==> the exam may be half filled ==> the answers displayed will be those selected by the user. */
Print->PrintedQuestions[QstInd].StrAnswers[0] = '\0';
}
/***** Get if test print will be visible by teachers *****/
Print->AllowTeachers = Par_GetParBool ("AllowTchs");
}
/*****************************************************************************/
/*************** Generate choice indexes depending on shuffle ****************/
/*****************************************************************************/
static void Tst_GenerateChoiceIndexes (struct TstPrn_PrintedQuestion *PrintedQuestion,
bool Shuffle)
{
struct Qst_Question Question;
unsigned NumOpt;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned Index;
bool ErrorInIndex;
char StrInd[1 + Cns_MAX_DECIMAL_DIGITS_UINT + 1];
/***** Create test question *****/
Qst_QstConstructor (&Question);
Question.QstCod = PrintedQuestion->QstCod;
/***** Get answers of question from database *****/
Question.Answer.NumOptions = Qst_DB_GetAnswersData (&mysql_res,Question.QstCod,Shuffle);
/*
row[0] AnsInd
row[1] Answer
row[2] Feedback
row[3] MedCod
row[4] Correct
*/
for (NumOpt = 0;
NumOpt < Question.Answer.NumOptions;
NumOpt++)
{
/***** Get next answer *****/
row = mysql_fetch_row (mysql_res);
/***** Assign index (row[0]).
Index is 0,1,2,3... if no shuffle
or 1,3,0,2... (example) if shuffle *****/
ErrorInIndex = false;
if (sscanf (row[0],"%u",&Index) == 1)
{
if (Index >= Qst_MAX_OPTIONS_PER_QUESTION)
ErrorInIndex = true;
}
else
ErrorInIndex = true;
if (ErrorInIndex)
Err_WrongAnswerIndexExit ();
snprintf (StrInd,sizeof (StrInd),NumOpt ? ",%u" :
"%u",Index);
Str_Concat (PrintedQuestion->StrIndexes,StrInd,
sizeof (PrintedQuestion->StrIndexes) - 1);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** Destroy test question *****/
Qst_QstDestructor (&Question);
}
/*****************************************************************************/
/************ Get parameters for the selection of test questions *************/
/*****************************************************************************/
// Return true (OK) if all parameters are found, or false (error) if any necessary parameter is not found
bool Tst_GetParsTst (struct Qst_Questions *Questions,
Tst_ActionToDoWithQuestions_t ActionToDoWithQuestions)
{
extern const char *Txt_You_must_select_one_ore_more_tags;
extern const char *Txt_You_must_select_one_ore_more_types_of_answer;
extern const char *Txt_The_number_of_questions_must_be_in_the_interval_X;
bool Error = false;
char UnsignedStr[Cns_MAX_DECIMAL_DIGITS_UINT + 1];
unsigned UnsignedNum;
/***** Tags *****/
/* Get parameter that indicates whether all tags are selected */
Questions->Tags.All = Par_GetParBool ("AllTags");
/* Get the tags */
if ((Questions->Tags.List = malloc (Tag_MAX_BYTES_TAGS_LIST + 1)) == NULL)
Err_NotEnoughMemoryExit ();
Par_GetParMultiToText ("ChkTag",Questions->Tags.List,Tag_MAX_BYTES_TAGS_LIST);
/* Check number of tags selected */
if (Tag_CountNumTagsInList (&Questions->Tags) == 0) // If no tags selected...
{ // ...write alert
Ale_ShowAlert (Ale_WARNING,Txt_You_must_select_one_ore_more_tags);
Error = true;
}
/***** Types of answer *****/
switch (ActionToDoWithQuestions)
{
case Tst_SHOW_TEST_TO_ANSWER:
case Tst_EDIT_QUESTIONS:
case Tst_SELECT_QUESTIONS_FOR_EXAM:
/* Get parameter that indicates if all types of answer are selected */
Questions->AnswerTypes.All = Par_GetParBool ("AllAnsTypes");
/* Get types of answer */
Par_GetParMultiToText ("AnswerType",Questions->AnswerTypes.List,Qst_MAX_BYTES_LIST_ANSWER_TYPES);
/* Check number of types of answer */
if (Qst_CountNumAnswerTypesInList (&Questions->AnswerTypes) == 0) // If no types of answer selected...
{ // ...write warning alert
Ale_ShowAlert (Ale_WARNING,Txt_You_must_select_one_ore_more_types_of_answer);
Error = true;
}
break;
case Tst_SELECT_QUESTIONS_FOR_GAME:
/* The unique allowed type of answer in a game is unique choice */
Questions->AnswerTypes.All = false;
snprintf (Questions->AnswerTypes.List,sizeof (Questions->AnswerTypes.List),"%u",
(unsigned) Qst_ANS_UNIQUE_CHOICE);
break;
default:
break;
}
/***** Get other parameters, depending on action *****/
switch (ActionToDoWithQuestions)
{
case Tst_SHOW_TEST_TO_ANSWER:
Questions->NumQsts = Tst_GetParNumQsts ();
if (Questions->NumQsts < TstCfg_GetConfigMin () ||
Questions->NumQsts > TstCfg_GetConfigMax ())
{
Ale_ShowAlert (Ale_WARNING,Txt_The_number_of_questions_must_be_in_the_interval_X,
TstCfg_GetConfigMin (),TstCfg_GetConfigMax ());
Error = true;
}
break;
case Tst_EDIT_QUESTIONS:
/* Get starting and ending dates */
Dat_GetIniEndDatesFromForm ();
/* Get ordering criteria */
Par_GetParMultiToText ("Order",UnsignedStr,Cns_MAX_DECIMAL_DIGITS_UINT);
if (sscanf (UnsignedStr,"%u",&UnsignedNum) == 1)
Questions->SelectedOrder = (Qst_QuestionsOrder_t)
((UnsignedNum < Qst_NUM_TYPES_ORDER_QST) ? UnsignedNum :
0);
else
Questions->SelectedOrder = (Qst_QuestionsOrder_t) 0;
break;
case Tst_SELECT_QUESTIONS_FOR_EXAM:
case Tst_SELECT_QUESTIONS_FOR_GAME:
/* Get starting and ending dates */
Dat_GetIniEndDatesFromForm ();
/* Order question by stem */
Questions->SelectedOrder = Qst_ORDER_STEM;
break;
default:
break;
}
return !Error;
}
/*****************************************************************************/
/******** Get parameter with the number of test prints generated by me *******/
/*****************************************************************************/
static unsigned Tst_GetParNumTst (void)
{
return (unsigned) Par_GetParUnsignedLong ("NumTst",
1,
UINT_MAX,
1);
}
/*****************************************************************************/
/***** Get parameter with the number of questions to generate in an test *****/
/*****************************************************************************/
static unsigned Tst_GetParNumQsts (void)
{
return (unsigned) Par_GetParUnsignedLong ("NumQst",
(unsigned long) TstCfg_GetConfigMin (),
(unsigned long) TstCfg_GetConfigMax (),
(unsigned long) TstCfg_GetConfigDef ());
}
/*****************************************************************************/
/********************** Show figures about test questions ********************/
/*****************************************************************************/
void Tst_GetAndShowTestsStats (void)
{
extern const char *Hlp_ANALYTICS_Figures_tests;
extern const char *Txt_FIGURE_TYPES[Fig_NUM_FIGURES];
extern const char *Txt_Type_of_BR_answers;
extern const char *Txt_Number_of_BR_courses_BR_with_test_BR_questions;
extern const char *Txt_Number_of_BR_courses_with_BR_exportable_BR_test_BR_questions;
extern const char *Txt_Number_BR_of_test_BR_questions;
extern const char *Txt_Average_BR_number_BR_of_test_BR_questions_BR_per_course;
extern const char *Txt_Number_of_BR_times_that_BR_questions_BR_have_been_BR_responded;
extern const char *Txt_Average_BR_number_of_BR_times_that_BR_questions_BR_have_been_BR_responded_BR_per_course;
extern const char *Txt_Average_BR_number_of_BR_times_that_BR_a_question_BR_has_been_BR_responded;
extern const char *Txt_Average_BR_score_BR_per_question;
extern const char *Txt_TST_STR_ANSWER_TYPES[Qst_NUM_ANS_TYPES];
extern const char *Txt_Total;
Qst_AnswerType_t AnsType;
struct Qst_Stats Stats;
/***** Begin box and table *****/
Box_BoxTableBegin (Txt_FIGURE_TYPES[Fig_TESTS],NULL,NULL,
Hlp_ANALYTICS_Figures_tests,Box_NOT_CLOSABLE,2);
/***** Write table heading *****/
HTM_TR_Begin (NULL);
HTM_TH (Txt_Type_of_BR_answers ,HTM_HEAD_LEFT);
HTM_TH (Txt_Number_of_BR_courses_BR_with_test_BR_questions ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Number_of_BR_courses_with_BR_exportable_BR_test_BR_questions ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Number_BR_of_test_BR_questions ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Average_BR_number_BR_of_test_BR_questions_BR_per_course ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Number_of_BR_times_that_BR_questions_BR_have_been_BR_responded ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Average_BR_number_of_BR_times_that_BR_questions_BR_have_been_BR_responded_BR_per_course,HTM_HEAD_RIGHT);
HTM_TH (Txt_Average_BR_number_of_BR_times_that_BR_a_question_BR_has_been_BR_responded ,HTM_HEAD_RIGHT);
HTM_TH (Txt_Average_BR_score_BR_per_question ,HTM_HEAD_RIGHT);
HTM_TR_End ();
for (AnsType = (Qst_AnswerType_t) 0;
AnsType <= (Qst_AnswerType_t) (Qst_NUM_ANS_TYPES - 1);
AnsType++)
{
/***** Get the stats about test questions from this location *****/
Qst_GetTestStats (AnsType,&Stats);
/***** Write stats *****/
HTM_TR_Begin (NULL);
HTM_TD_Txt_Left (Txt_TST_STR_ANSWER_TYPES[AnsType]);
HTM_TD_Unsigned (Stats.NumCoursesWithQuestions);
HTM_TD_Begin ("class=\"RM DAT_%s\"",The_GetSuffix ());
HTM_TxtF ("%u (%.1lf%%)",
Stats.NumCoursesWithPluggableQuestions,
Stats.NumCoursesWithQuestions ? (double) Stats.NumCoursesWithPluggableQuestions * 100.0 /
(double) Stats.NumCoursesWithQuestions :
0.0);
HTM_TD_End ();
HTM_TD_Unsigned (Stats.NumQsts);
HTM_TD_Double2Decimals (Stats.AvgQstsPerCourse);
HTM_TD_UnsignedLong (Stats.NumHits);
HTM_TD_Double2Decimals (Stats.AvgHitsPerCourse);
HTM_TD_Double2Decimals (Stats.AvgHitsPerQuestion);
HTM_TD_Double2Decimals (Stats.AvgScorePerQuestion);
HTM_TR_End ();
}
/***** Get the stats about test questions from this location *****/
Qst_GetTestStats (Qst_ANS_UNKNOWN,&Stats);
/***** Write stats *****/
HTM_TR_Begin (NULL);
HTM_TD_LINE_TOP_Txt (Txt_Total);
HTM_TD_LINE_TOP_Unsigned (Stats.NumCoursesWithQuestions);
HTM_TD_Begin ("class=\"RM DAT_STRONG_%s LINE_TOP\"",
The_GetSuffix ());
HTM_TxtF ("%u (%.1f%%)",
Stats.NumCoursesWithPluggableQuestions,
Stats.NumCoursesWithQuestions ? (double) Stats.NumCoursesWithPluggableQuestions * 100.0 /
(double) Stats.NumCoursesWithQuestions :
0.0);
HTM_TD_End ();
HTM_TD_LINE_TOP_Unsigned (Stats.NumQsts);
HTM_TD_LINE_TOP_Double2Decimals (Stats.AvgQstsPerCourse);
HTM_TD_LINE_TOP_UnsignedLong (Stats.NumHits);
HTM_TD_LINE_TOP_Double2Decimals (Stats.AvgHitsPerCourse);
HTM_TD_LINE_TOP_Double2Decimals (Stats.AvgHitsPerQuestion);
HTM_TD_LINE_TOP_Double2Decimals (Stats.AvgScorePerQuestion);
HTM_TR_End ();
/***** End table and box *****/
Box_BoxTableEnd ();
}
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