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112 lines
4.9 KiB
C
112 lines
4.9 KiB
C
// swad_test_exam.c: test exams made by users
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#ifndef _SWAD_TST_EXA
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#define _SWAD_TST_EXA
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/*
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SWAD (Shared Workspace At a Distance in Spanish),
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is a web platform developed at the University of Granada (Spain),
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and used to support university teaching.
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This file is part of SWAD core.
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Copyright (C) 1999-2020 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include "swad_test.h"
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#include "swad_user.h"
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/*****************************************************************************/
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/***************************** Public constants ******************************/
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/*****************************************************************************/
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#define TstRes_MAX_BYTES_INDEXES_ONE_QST (Tst_MAX_OPTIONS_PER_QUESTION * (3 + 1))
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#define TstRes_MAX_CHARS_ANSWERS_ONE_QST (128 - 1) // 127
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#define TstRes_MAX_BYTES_ANSWERS_ONE_QST ((TstRes_MAX_CHARS_ANSWERS_ONE_QST + 1) * Str_MAX_BYTES_PER_CHAR - 1) // 2047
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#define TstRes_SCORE_MAX 10 // Maximum score of a test (10 in Spain). Must be unsigned! // TODO: Make this configurable by teachers
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/*****************************************************************************/
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/******************************* Public types ********************************/
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/*****************************************************************************/
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struct TstRes_Result
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{
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long ResCod; // Test result code
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time_t TimeUTC[Dat_NUM_START_END_TIME];
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unsigned NumQsts; // Number of questions
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unsigned NumQstsNotBlank; // Number of questions not blank
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bool Sent; // This test result has been sent or not?
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// "Sent" means that user has clicked "Send" button after finishing
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bool AllowTeachers; // Are teachers allowed to see this test result?
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double Score; // Total score of the test result
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struct
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{
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long QstCod; // Question code
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char StrIndexes[TstRes_MAX_BYTES_INDEXES_ONE_QST + 1]; // 0 1 2 3, 3 0 2 1, etc.
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char StrAnswers[TstRes_MAX_BYTES_ANSWERS_ONE_QST + 1]; // Answers selected by user
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double Score; // Question score
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bool AnswerIsNotBlank; // Answer not blank?
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} Questions[TstCfg_MAX_QUESTIONS_PER_TEST];
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};
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/*****************************************************************************/
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/***************************** Public prototypes *****************************/
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/*****************************************************************************/
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void TstRes_ResetResult (struct TstRes_Result *Result);
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void TstRes_CreateExamInDB (struct TstRes_Result *Exam);
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void TstRes_UpdateExamInDB (const struct TstRes_Result *Exam);
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void TstRes_ShowExamAfterAssess (struct TstRes_Result *Exam);
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void TstRes_ComputeScoresAndStoreExamQuestions (struct TstRes_Result *Exam,
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bool UpdateQstScore);
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void TstRes_ComputeChoiceAnsScore (struct TstRes_Result *Result,
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unsigned NumQst,
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struct Tst_Question *Question);
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void TstRes_GetIndexesFromStr (const char StrIndexesOneQst[TstRes_MAX_BYTES_INDEXES_ONE_QST + 1], // 0 1 2 3, 3 0 2 1, etc.
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unsigned Indexes[Tst_MAX_OPTIONS_PER_QUESTION]);
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void TstRes_GetAnswersFromStr (const char StrAnswersOneQst[TstRes_MAX_BYTES_ANSWERS_ONE_QST + 1],
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bool UsrAnswers[Tst_MAX_OPTIONS_PER_QUESTION]);
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void TstRes_ComputeAndShowGrade (unsigned NumQsts,double Score,double MaxGrade);
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double TstRes_ComputeGrade (unsigned NumQsts,double Score,double MaxGrade);
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void TstRes_ShowGrade (double Grade,double MaxGrade);
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void TstRes_SelUsrsToViewUsrsExams (void);
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void TstRes_SelDatesToSeeMyExams (void);
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void TstRes_ShowMyExams (void);
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void TstRes_GetUsrsAndShowExams (void);
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void TstRes_PutParamExaCod (long ExaCod);
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long TstRes_GetParamExaCod (void);
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void TstRes_ShowOneExam (void);
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void TstRes_ShowExamAnswers (struct UsrData *UsrDat,
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struct TstRes_Result *Result,
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unsigned Visibility);
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void TstRes_GetExamDataByExaCod (struct TstRes_Result *Result);
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void TstRes_GetExamQuestionsFromDB (struct TstRes_Result *Result);
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void TstRes_RemoveExamsMadeByUsrInAllCrss (long UsrCod);
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void TstRes_RemoveExamsMadeByUsrInCrs (long UsrCod,long CrsCod);
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void TstRes_RemoveCrsExams (long CrsCod);
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#endif
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