");
/* Put form to view survey */
Act_FormStart (ActSeeOneSvy);
Svy_PutParamSvyCod (SvyCod);
Svy_PutHiddenParamSvyOrderType ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Gbl.Pag.CurrentPage);
Act_LinkFormSubmit (Txt_View_survey,
Svy.Status.Visible ? "ASG_TITLE" :
"ASG_TITLE_LIGHT");
fprintf (Gbl.F.Out,"%s"
"",
Svy.Title);
/* Number of questions and number of distinct users who have already answered this survey */
fprintf (Gbl.F.Out,"
%s: %u; %s: %u
",
Svy.Status.Visible ? "ASG_GRP" :
"ASG_GRP_LIGHT",
Txt_No_of_questions,
Svy.NumQsts,
Txt_No_of_users,
Svy.NumUsrs);
/***** Status of the survey *****/
fprintf (Gbl.F.Out,"
");
Svy_WriteStatus (&Svy);
if (!ShowOnlyThisSvyComplete)
{
/* Possible button to answer this survey */
if (Svy.Status.ICanAnswer)
{
Act_FormStart (ActSeeOneSvy);
Svy_PutParamSvyCod (Svy.SvyCod);
Svy_PutHiddenParamSvyOrderType ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Gbl.Pag.CurrentPage);
Lay_PutSendButton (Txt_Answer_survey);
fprintf (Gbl.F.Out,"");
}
/* Possible button to see the result of the survey */
else if (Svy.Status.ICanViewResults)
{
Act_FormStart (ActSeeOneSvy);
Svy_PutParamSvyCod (Svy.SvyCod);
Svy_PutHiddenParamSvyOrderType ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Gbl.Pag.CurrentPage);
Lay_PutSendButton (Txt_View_survey_results);
fprintf (Gbl.F.Out,"");
}
}
fprintf (Gbl.F.Out,"
"
"
");
/***** Write second row of data of this survey *****/
fprintf (Gbl.F.Out,"
"
"
");
/* Author of the survey */
Svy_WriteAuthor (&Svy);
/* Forms to remove/edit this survey */
if (Svy.Status.ICanEdit)
Svy_PutFormsToRemEditOneSvy (Svy.SvyCod,Svy.Status.Visible);
fprintf (Gbl.F.Out,"
"
"
");
/* Scope of the survey */
fprintf (Gbl.F.Out,"
");
/* Groups whose users can answer this survey */
if (Svy.CrsCod > 0)
if (Gbl.CurrentCrs.Grps.NumGrps)
Svy_GetAndWriteNamesOfGrpsAssociatedToSvy (&Svy);
/* Text of the survey */
Svy_GetSurveyTxtFromDB (Svy.SvyCod,Txt);
Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
Txt,Cns_MAX_BYTES_TEXT,false); // Convert from HTML to recpectful HTML
Str_InsertLinkInURLs (Txt,Cns_MAX_BYTES_TEXT,60); // Insert links
fprintf (Gbl.F.Out,"
"
" %s
"
"
",
Svy.Status.Visible ? "DAT" :
"DAT_LIGHT",
Txt);
/***** Write questions of this survey *****/
if (ShowOnlyThisSvyComplete)
{
fprintf (Gbl.F.Out,"
",
Svy->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_Closed_survey);
/* Write whether survey can be answered by me or not depending on user type */
if (Svy->Status.IAmLoggedWithAValidRoleToAnswer)
fprintf (Gbl.F.Out,"
",
Svy->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_SURVEY_Type_of_user_not_allowed);
/* Write whether survey can be answered by me or not depending on groups */
if (Svy->Status.IBelongToDegCrsGrps)
fprintf (Gbl.F.Out,"
",
Svy->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_SURVEY_You_dont_belong_to_degree_coruse_or_groups);
/* Write whether survey has been already answered by me or not */
if (Svy->Status.IHaveAnswered)
fprintf (Gbl.F.Out,"
",
Svy->Status.Visible ? "STATUS_RED" :
"STATUS_RED_LIGHT",
Txt_SURVEY_You_have_not_answered);
/***** End list with items of status *****/
fprintf (Gbl.F.Out,"
");
}
/*****************************************************************************/
/********* Get parameter with the type or order in list of surveys ***********/
/*****************************************************************************/
static void Svy_GetParamSvyOrderType (void)
{
char UnsignedStr[10+1];
unsigned UnsignedNum;
Par_GetParToText ("Order",UnsignedStr,10);
if (sscanf (UnsignedStr,"%u",&UnsignedNum) == 1)
Gbl.Svys.SelectedOrderType = (tSvysOrderType) UnsignedNum;
else
Gbl.Svys.SelectedOrderType = Svy_ORDER_BY_START_DATE;
}
/*****************************************************************************/
/***** Put a hidden parameter with the type of order in list of surveys ******/
/*****************************************************************************/
void Svy_PutHiddenParamSvyOrderType (void)
{
Par_PutHiddenParamUnsigned ("Order",(unsigned) Gbl.Svys.SelectedOrderType);
}
/*****************************************************************************/
/********************* Put a link (form) to edit surveys *********************/
/*****************************************************************************/
static void Svy_PutFormToCreateNewSvy (void)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_New_survey;
fprintf (Gbl.F.Out,"
");
}
/*****************************************************************************/
/*********************** Get list of all the surveys *************************/
/*****************************************************************************/
void Svy_GetListSurveys (void)
{
char HiddenSubQuery[256];
char OrderBySubQuery[256];
char Query[2048];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
unsigned NumSvy;
if (Gbl.Svys.LstIsRead)
Svy_FreeListSurveys ();
/***** Get list of surveys from database *****/
switch (Gbl.Svys.SelectedOrderType)
{
case Svy_ORDER_BY_START_DATE:
sprintf (OrderBySubQuery,"StartTime DESC,EndTime DESC,Title DESC");
break;
case Svy_ORDER_BY_END_DATE:
sprintf (OrderBySubQuery,"EndTime DESC,StartTime DESC,Title DESC");
break;
}
if (Gbl.CurrentDeg.Deg.DegCod < 0) // If no degree selected
{
switch (Gbl.Usrs.Me.LoggedRole)
{
case Rol_ROLE_SUPERUSER:
HiddenSubQuery[0] = '\0'; // Show all surveys, visible or hidden
break;
default:
sprintf (HiddenSubQuery," AND Hidden='N'"); // Show only visible surveys
break;
}
sprintf (Query,"SELECT SvyCod"
" FROM surveys"
" WHERE DegCod='-1' AND CrsCod='-1'%s"
" ORDER BY %s",
HiddenSubQuery,
OrderBySubQuery);
}
else if ((Gbl.CurrentDeg.Deg.DegCod > 0 && Gbl.CurrentCrs.Crs.CrsCod < 0) || // If degree selected, but no course selected
Gbl.Usrs.Me.LoggedRole == Rol_ROLE_DEG_ADMIN) // or if I am a degree administrator
{
switch (Gbl.Usrs.Me.LoggedRole)
{
case Rol_ROLE_DEG_ADMIN:
case Rol_ROLE_SUPERUSER:
HiddenSubQuery[0] = '\0'; // Show all surveys, visible or hidden
break;
default:
sprintf (HiddenSubQuery," AND Hidden='N'"); // Show only visible surveys
break;
}
sprintf (Query,"SELECT SvyCod"
" FROM surveys"
" WHERE ((DegCod='-1' AND CrsCod='-1')"
" OR (DegCod='%ld' AND CrsCod='-1'))%s"
" ORDER BY %s",
Gbl.CurrentDeg.Deg.DegCod,
HiddenSubQuery,
OrderBySubQuery);
}
else if (Gbl.CurrentCrs.Crs.CrsCod > 0 &&
Gbl.Usrs.Me.LoggedRole != Rol_ROLE_DEG_ADMIN)
{
switch (Gbl.Usrs.Me.LoggedRole)
{
case Rol_ROLE_TEACHER:
case Rol_ROLE_SUPERUSER:
HiddenSubQuery[0] = '\0'; // Show all surveys, visible or hidden
break;
default:
sprintf (HiddenSubQuery," AND Hidden='N'"); // Show only visible surveys
break;
}
if (Gbl.CurrentCrs.Grps.WhichGrps == Grp_ONLY_MY_GROUPS)
sprintf (Query,"SELECT SvyCod"
" FROM surveys"
" WHERE ((DegCod='-1' AND CrsCod='-1')"
" OR (DegCod='%ld' AND CrsCod='-1')"
" OR (CrsCod='%ld'"
" AND (SvyCod NOT IN (SELECT SvyCod FROM svy_grp) OR"
" SvyCod IN (SELECT svy_grp.SvyCod FROM svy_grp,crs_grp_usr"
" WHERE crs_grp_usr.UsrCod='%ld' AND svy_grp.GrpCod=crs_grp_usr.GrpCod))))%s"
" ORDER BY %s",
Gbl.CurrentDeg.Deg.DegCod,
Gbl.CurrentCrs.Crs.CrsCod,
Gbl.Usrs.Me.UsrDat.UsrCod,
HiddenSubQuery,OrderBySubQuery);
else // Gbl.CurrentCrs.Grps.WhichGrps == Grp_ALL_GROUPS
sprintf (Query,"SELECT SvyCod"
" FROM surveys"
" WHERE ((DegCod='-1' AND CrsCod='-1')"
" OR (DegCod='%ld' AND CrsCod='-1')"
" OR CrsCod='%ld')%s"
" ORDER BY %s",
Gbl.CurrentDeg.Deg.DegCod,
Gbl.CurrentCrs.Crs.CrsCod,
HiddenSubQuery,OrderBySubQuery);
}
else
Lay_ShowErrorAndExit ("Can not get list of surveys.");
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get surveys");
if (NumRows) // Surveys found...
{
Gbl.Svys.Num = (unsigned) NumRows;
/***** Create list of surveys *****/
if ((Gbl.Svys.LstSvyCods = (long *) calloc (NumRows,sizeof (long))) == NULL)
Lay_ShowErrorAndExit ("Not enough memory to store list of surveys.");
/***** Get the surveys codes *****/
for (NumSvy = 0;
NumSvy < Gbl.Svys.Num;
NumSvy++)
{
/* Get next survey code */
row = mysql_fetch_row (mysql_res);
if ((Gbl.Svys.LstSvyCods[NumSvy] = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Error: wrong survey code.");
}
}
else
Gbl.Svys.Num = 0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
Gbl.Svys.LstIsRead = true;
}
/*****************************************************************************/
/********************* Get survey data using its code ************************/
/*****************************************************************************/
void Svy_GetDataOfSurveyByCod (struct Survey *Svy)
{
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
/***** Build query *****/
sprintf (Query,"SELECT SvyCod,DegCod,CrsCod,Hidden,Roles,UsrCod,"
"DATE_FORMAT(StartTime,'%%Y%%m%%d%%H%%i%%S'),"
"DATE_FORMAT(EndTime,'%%Y%%m%%d%%H%%i%%S'),"
"NOW() BETWEEN StartTime AND EndTime,"
"Title"
" FROM surveys"
" WHERE SvyCod='%ld'",
Svy->SvyCod);
/***** Get data of survey from database *****/
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get survey data");
if (NumRows) // Survey found...
{
/* Get row */
row = mysql_fetch_row (mysql_res);
/* Get code of the survey (row[0]) */
Svy->SvyCod = Str_ConvertStrCodToLongCod (row[0]);
/* Get code of the degree (row[1]) */
Svy->DegCod = Str_ConvertStrCodToLongCod (row[1]);
if (Svy->DegCod > 0)
if (Svy->DegCod != Gbl.CurrentDeg.Deg.DegCod)
Lay_ShowErrorAndExit ("Wrong survey degree.");
/* Get code of the course (row[2]) */
Svy->CrsCod = Str_ConvertStrCodToLongCod (row[2]);
if (Svy->CrsCod > 0)
if (Svy->CrsCod != Gbl.CurrentCrs.Crs.CrsCod)
Lay_ShowErrorAndExit ("Wrong survey course.");
/* Get whether the survey is hidden (row[3]) */
Svy->Status.Visible = (Str_ConvertToUpperLetter (row[3][0]) == 'N');
/* Get roles (row[4]) */
if (sscanf (row[4],"%u",&Svy->Roles) != 1)
Lay_ShowErrorAndExit ("Error when reading roles of survey.");
/* Get author of the survey (row[5]) */
Svy->UsrCod = Str_ConvertStrCodToLongCod (row[5]);
/* Get start date (row[6] holds the start date in YYYYMMDDHHMMSS format) */
if (!(Dat_GetDateTimeFromYYYYMMDDHHMMSS (&(Svy->DateTimes[Svy_START_TIME]),row[6])))
Lay_ShowErrorAndExit ("Error when reading start date of survey.");
/* Get end date (row[7] holds the end date in YYYYMMDDHHMMSS format) */
if (!(Dat_GetDateTimeFromYYYYMMDDHHMMSS (&(Svy->DateTimes[Svy_END_TIME]),row[7])))
Lay_ShowErrorAndExit ("Error when reading end date of survey.");
/* Get whether the survey is open or closed (row(8)) */
Svy->Status.Open = (row[8][0] == '1');
/* Get the title of the survey (row[9]) */
strcpy (Svy->Title,row[9]);
/* Get number of questions and number of users who have already answer this survey */
Svy->NumQsts = Svy_GetNumQstsSvy (Svy->SvyCod);
Svy->NumUsrs = Svy_GetNumUsrsWhoHaveAnsweredSvy (Svy->SvyCod);
/* Am I logged with a valid role to answer this survey? */
Svy->Status.IAmLoggedWithAValidRoleToAnswer = (Svy->Roles & (1 << Gbl.Usrs.Me.LoggedRole));
/* Do I belong to valid groups to answer this survey? */
if (Svy->DegCod < 0 && Svy->CrsCod < 0)
Svy->Status.IBelongToDegCrsGrps = Gbl.Usrs.Me.Logged;
else if (Svy->DegCod > 0 && Svy->CrsCod < 0)
Svy->Status.IBelongToDegCrsGrps = Usr_CheckIfIBelongToDeg (Svy->DegCod);
else if (Svy->CrsCod > 0)
Svy->Status.IBelongToDegCrsGrps = Usr_CheckIfIBelongToCrs (Svy->CrsCod) &&
Svy_CheckIfICanDoThisSurveyBasedOnGrps (Svy->SvyCod);
else
Lay_ShowErrorAndExit ("Wrong survey scope.");
/* Have I answered this survey? */
Svy->Status.IHaveAnswered = Svy_CheckIfIHaveAnsweredSvy (Svy->SvyCod);
/* Can I answer survey? */
Svy->Status.ICanAnswer = (Svy->NumQsts != 0) &&
Svy->Status.Visible &&
Svy->Status.Open &&
Svy->Status.IAmLoggedWithAValidRoleToAnswer &&
Svy->Status.IBelongToDegCrsGrps &&
!Svy->Status.IHaveAnswered;
/* Can I view results of the survey?
Can I edit survey? */
switch (Gbl.Usrs.Me.LoggedRole)
{
case Rol_ROLE_STUDENT:
Svy->Status.ICanViewResults = (Svy->NumQsts != 0) &&
Svy->Status.Visible &&
Svy->Status.Open &&
Svy->Status.IAmLoggedWithAValidRoleToAnswer &&
Svy->Status.IBelongToDegCrsGrps &&
Svy->Status.IHaveAnswered;
Svy->Status.ICanEdit = false;
break;
case Rol_ROLE_TEACHER:
Svy->Status.ICanViewResults = (Svy->NumQsts != 0) &&
!Svy->Status.ICanAnswer;
Svy->Status.ICanEdit = Svy->CrsCod > 0 &&
Svy->Status.IBelongToDegCrsGrps;
break;
case Rol_ROLE_DEG_ADMIN:
Svy->Status.ICanViewResults = false;
Svy->Status.ICanEdit = Svy->DegCod > 0 &&
Svy->CrsCod < 0 &&
Svy->Status.IBelongToDegCrsGrps;
break;
case Rol_ROLE_SUPERUSER:
Svy->Status.ICanViewResults = (Svy->NumQsts != 0);
Svy->Status.ICanEdit = true;
break;
default:
Svy->Status.ICanViewResults = false;
Svy->Status.ICanEdit = false;
break;
}
}
else
{
/* Initialize to empty survey */
Svy->SvyCod = -1L;
Svy->Roles = 0;
Svy->DateTimes[Svy_START_TIME].Date.Day =
Svy->DateTimes[Svy_START_TIME].Date.Month =
Svy->DateTimes[Svy_START_TIME].Date.Year = 0;
Svy->DateTimes[Svy_END_TIME].Date.Day =
Svy->DateTimes[Svy_END_TIME].Date.Month =
Svy->DateTimes[Svy_END_TIME].Date.Year = 0;
Svy->Title[0] = '\0';
Svy->NumQsts = 0;
Svy->NumUsrs = 0;
Svy->Status.Visible = true;
Svy->Status.Open = false;
Svy->Status.IAmLoggedWithAValidRoleToAnswer = false;
Svy->Status.IBelongToDegCrsGrps = false;
Svy->Status.IHaveAnswered = false;
Svy->Status.ICanAnswer = false;
Svy->Status.ICanViewResults = false;
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/**************************** Free list of surveys ***************************/
/*****************************************************************************/
void Svy_FreeListSurveys (void)
{
if (Gbl.Svys.LstIsRead && Gbl.Svys.LstSvyCods)
{
/***** Free memory used by the list of surveys *****/
free ((void *) Gbl.Svys.LstSvyCods);
Gbl.Svys.LstSvyCods = NULL;
Gbl.Svys.Num = 0;
Gbl.Svys.LstIsRead = false;
}
}
/*****************************************************************************/
/********************** Get survey text from database ************************/
/*****************************************************************************/
static void Svy_GetSurveyTxtFromDB (long SvyCod,char *Txt)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
/***** Get text of survey from database *****/
sprintf (Query,"SELECT Txt FROM surveys WHERE SvyCod='%ld'",SvyCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get survey text");
/***** The result of the query must have one row or none *****/
if (NumRows == 1)
{
/* Get info text */
row = mysql_fetch_row (mysql_res);
strcpy (Txt,row[0]);
}
else
Txt[0] = '\0';
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
if (NumRows > 1)
Lay_ShowErrorAndExit ("Error when getting survey text.");
}
/*****************************************************************************/
/******************** Get summary and content of a survey *******************/
/*****************************************************************************/
// This function may be called inside a web service, so don't report error
void Svy_GetNotifSurvey (char *SummaryStr,char **ContentStr,long SvyCod,unsigned MaxChars,bool GetContent)
{
extern const char *Txt_Start_date;
extern const char *Txt_End_date;
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
struct DateTime DateTimes[Asg_NUM_DATES];
SummaryStr[0] = '\0'; // Return nothing on error
/***** Build query *****/
sprintf (Query,"SELECT Title,"
"DATE_FORMAT(StartTime,'%%Y%%m%%d%%H%%i%%S'),"
"DATE_FORMAT(EndTime,'%%Y%%m%%d%%H%%i%%S'),"
"Txt"
" FROM surveys"
" WHERE SvyCod='%ld'",
SvyCod);
if (!mysql_query (&Gbl.mysql,Query))
if ((mysql_res = mysql_store_result (&Gbl.mysql)) != NULL)
{
/***** Result should have a unique row *****/
if (mysql_num_rows (mysql_res) == 1)
{
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get summary *****/
strcpy (SummaryStr,row[0]);
if (MaxChars)
Str_LimitLengthHTMLStr (SummaryStr,MaxChars);
/***** Get content *****/
if (GetContent)
{
if ((*ContentStr = (char *) malloc (512+Cns_MAX_BYTES_TEXT)) == NULL)
Lay_ShowErrorAndExit ("Error allocating memory for notification content.");
/* Get start date (row[1] holds the start date in YYYYMMDDHHMMSS format) */
if (!(Dat_GetDateTimeFromYYYYMMDDHHMMSS (&DateTimes[Asg_START_TIME],row[1])))
Lay_ShowErrorAndExit ("Error when reading start date of assignment.");
/* Get end date (row[2] holds the end date in YYYYMMDDHHMMSS format) */
if (!(Dat_GetDateTimeFromYYYYMMDDHHMMSS (&DateTimes[Asg_END_TIME ],row[2])))
Lay_ShowErrorAndExit ("Error when reading end date of assignment.");
sprintf (*ContentStr,"%s: %02u/%02u/%04u %02u:%02u %s: %02u/%02u/%04u %02u:%02u %s",
Txt_Start_date,
DateTimes[Asg_START_TIME].Date.Day,
DateTimes[Asg_START_TIME].Date.Month,
DateTimes[Asg_START_TIME].Date.Year,
DateTimes[Asg_START_TIME].Time.Hour,
DateTimes[Asg_START_TIME].Time.Minute,
Txt_End_date,
DateTimes[Asg_END_TIME].Date.Day,
DateTimes[Asg_END_TIME].Date.Month,
DateTimes[Asg_END_TIME].Date.Year,
DateTimes[Asg_END_TIME].Time.Hour,
DateTimes[Asg_END_TIME].Time.Minute,
row[3]);
}
}
mysql_free_result (mysql_res);
}
}
/*****************************************************************************/
/******************* Write parameter with code of survey *********************/
/*****************************************************************************/
static void Svy_PutParamSvyCod (long SvyCod)
{
Par_PutHiddenParamLong ("SvyCod",SvyCod);
}
/*****************************************************************************/
/******************** Get parameter with code of survey **********************/
/*****************************************************************************/
long Svy_GetParamSvyCod (void)
{
char LongStr[1+10+1];
/***** Get parameter with code of survey *****/
Par_GetParToText ("SvyCod",LongStr,1+10);
return Str_ConvertStrCodToLongCod (LongStr);
}
/*****************************************************************************/
/*************** Ask for confirmation of removing of a survey ****************/
/*****************************************************************************/
void Svy_AskRemSurvey (void)
{
extern const char *Txt_Do_you_really_want_to_remove_the_survey_X;
extern const char *Txt_Remove_survey;
struct Survey Svy;
struct SurveyQuestion SvyQst;
/***** Get parameters *****/
Svy_GetParamSvyOrderType ();
Grp_GetParamWhichGrps ();
Pag_GetParamPagNum (Pag_SURVEYS);
/***** Get survey code *****/
if ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/***** Get data of the survey from database *****/
Svy_GetDataOfSurveyByCod (&Svy);
if (!Svy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not remove this survey.");
/***** Button of confirmation of removing *****/
Act_FormStart (ActRemSvy);
Svy_PutParamSvyCod (Svy.SvyCod);
Svy_PutHiddenParamSvyOrderType ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Gbl.Pag.CurrentPage);
/***** Ask for confirmation of removing *****/
sprintf (Gbl.Message,Txt_Do_you_really_want_to_remove_the_survey_X,
Svy.Title);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
fprintf (Gbl.F.Out,"
"
""
"
"
"",
Txt_Remove_survey);
/***** Show surveys again *****/
Svy_ListAllSurveys (&SvyQst);
}
/*****************************************************************************/
/****************************** Remove a survey ******************************/
/*****************************************************************************/
void Svy_RemoveSurvey (void)
{
extern const char *Txt_Survey_X_removed;
char Query[512];
struct Survey Svy;
struct SurveyQuestion SvyQst;
/***** Get survey code *****/
if ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/***** Get data of the survey from database *****/
Svy_GetDataOfSurveyByCod (&Svy);
if (!Svy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not remove this survey.");
/***** Remove all the users in this survey *****/
sprintf (Query,"DELETE FROM svy_users WHERE SvyCod='%ld'",
Svy.SvyCod);
DB_QueryDELETE (Query,"can not remove users who are answered a survey");
/***** Remove all the answers in this survey *****/
sprintf (Query,"DELETE FROM svy_answers USING svy_questions,svy_answers"
" WHERE svy_questions.SvyCod='%ld'"
" AND svy_questions.QstCod=svy_answers.QstCod",
Svy.SvyCod);
DB_QueryDELETE (Query,"can not remove answers of a survey");
/***** Remove all the questions in this survey *****/
sprintf (Query,"DELETE FROM svy_questions"
" WHERE SvyCod='%ld'",
Svy.SvyCod);
DB_QueryDELETE (Query,"can not remove questions of a survey");
/***** Remove all the groups of this survey *****/
Svy_RemoveAllTheGrpsAssociatedToAndSurvey (Svy.SvyCod);
/***** Remove survey *****/
sprintf (Query,"DELETE FROM surveys WHERE SvyCod='%ld'",Svy.SvyCod);
DB_QueryDELETE (Query,"can not remove survey");
/***** Mark possible notifications as removed *****/
Ntf_SetNotifAsRemoved (Ntf_EVENT_SURVEY,Svy.SvyCod);
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_Survey_X_removed,
Svy.Title);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Show surveys again *****/
Svy_ListAllSurveys (&SvyQst);
}
/*****************************************************************************/
/***************** Ask for confirmation of reset of a survey *****************/
/*****************************************************************************/
void Svy_AskResetSurvey (void)
{
extern const char *Txt_Do_you_really_want_to_reset_the_survey_X;
extern const char *Txt_Reset_survey;
struct Survey Svy;
struct SurveyQuestion SvyQst;
/***** Get parameters *****/
Svy_GetParamSvyOrderType ();
Grp_GetParamWhichGrps ();
Pag_GetParamPagNum (Pag_SURVEYS);
/***** Get survey code *****/
if ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/***** Get data of the survey from database *****/
Svy_GetDataOfSurveyByCod (&Svy);
if (!Svy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not reset this survey.");
/***** Button of confirmation of reset *****/
Act_FormStart (ActRstSvy);
Svy_PutParamSvyCod (Svy.SvyCod);
Svy_PutHiddenParamSvyOrderType ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Gbl.Pag.CurrentPage);
/***** Ask for confirmation of reset *****/
sprintf (Gbl.Message,Txt_Do_you_really_want_to_reset_the_survey_X,
Svy.Title);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
fprintf (Gbl.F.Out,"
"
""
"
"
"",
Txt_Reset_survey);
/***** Show surveys again *****/
Svy_ListAllSurveys (&SvyQst);
}
/*****************************************************************************/
/******************************* Reset a survey ******************************/
/*****************************************************************************/
void Svy_ResetSurvey (void)
{
extern const char *Txt_Survey_X_reset;
char Query[512];
struct Survey Svy;
struct SurveyQuestion SvyQst;
/***** Get survey code *****/
if ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/***** Get data of the survey from database *****/
Svy_GetDataOfSurveyByCod (&Svy);
if (!Svy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not reset this survey.");
/***** Remove all the users in this survey *****/
sprintf (Query,"DELETE FROM svy_users WHERE SvyCod='%ld'",
Svy.SvyCod);
DB_QueryDELETE (Query,"can not remove users who are answered a survey");
/***** Reset all the answers in this survey *****/
sprintf (Query,"UPDATE svy_answers,svy_questions SET svy_answers.NumUsrs='0'"
" WHERE svy_questions.SvyCod='%ld'"
" AND svy_questions.QstCod=svy_answers.QstCod",
Svy.SvyCod);
DB_QueryUPDATE (Query,"can not reset answers of a survey");
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_Survey_X_reset,
Svy.Title);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Show surveys again *****/
Svy_ListAllSurveys (&SvyQst);
}
/*****************************************************************************/
/******************************** Hide a survey ******************************/
/*****************************************************************************/
void Svy_HideSurvey (void)
{
extern const char *Txt_Survey_X_is_now_hidden;
char Query[512];
struct Survey Svy;
struct SurveyQuestion SvyQst;
/***** Get survey code *****/
if ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/***** Get data of the survey from database *****/
Svy_GetDataOfSurveyByCod (&Svy);
if (!Svy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not hide this survey.");
/***** Hide survey *****/
sprintf (Query,"UPDATE surveys SET Hidden='Y' WHERE SvyCod='%ld'",
Svy.SvyCod);
DB_QueryUPDATE (Query,"can not hide survey");
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_Survey_X_is_now_hidden,
Svy.Title);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Show surveys again *****/
Svy_ListAllSurveys (&SvyQst);
}
/*****************************************************************************/
/******************************** Show a survey ******************************/
/*****************************************************************************/
void Svy_UnhideSurvey (void)
{
extern const char *Txt_Survey_X_is_now_visible;
char Query[512];
struct Survey Svy;
struct SurveyQuestion SvyQst;
/***** Get survey code *****/
if ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/***** Get data of the survey from database *****/
Svy_GetDataOfSurveyByCod (&Svy);
if (!Svy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not unhide this survey.");
/***** Show survey *****/
sprintf (Query,"UPDATE surveys SET Hidden='N' WHERE SvyCod='%ld'",
Svy.SvyCod);
DB_QueryUPDATE (Query,"can not show survey");
/***** Write message to show the change made *****/
sprintf (Gbl.Message,Txt_Survey_X_is_now_visible,
Svy.Title);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Show surveys again *****/
Svy_ListAllSurveys (&SvyQst);
}
/*****************************************************************************/
/******************* Check if the title of a survey exists *******************/
/*****************************************************************************/
static bool Svy_CheckIfSimilarSurveyExists (struct Survey *Svy)
{
char Query[512];
/***** Get number of surveys with a field value from database *****/
sprintf (Query,"SELECT COUNT(*) FROM surveys"
" WHERE DegCod='%ld' AND CrsCod='%ld' AND Title='%s' AND SvyCod<>'%ld'",
Svy->DegCod,Svy->CrsCod,Svy->Title,Svy->SvyCod);
return (DB_QueryCOUNT (Query,"can not get similar surveys") != 0);
}
/*****************************************************************************/
/********************* Put a form to create a new survey *********************/
/*****************************************************************************/
void Svy_RequestCreatOrEditSvy (void)
{
extern const char *Txt_New_survey;
extern const char *Txt_Scope;
extern const char *Txt_Edit_survey;
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_Start_date;
extern const char *Txt_End_date;
extern const char *Txt_Title;
extern const char *Txt_Description;
extern const char *Txt_Users;
extern const char *Txt_Create_survey;
extern const char *Txt_Modify_survey;
struct Survey Svy;
struct SurveyQuestion SvyQst;
bool ItsANewSurvey;
Svy_StartOrEndTime_t StartOrEndTime;
const char *NameSelectYear [Svy_NUM_DATES] = {"StartYear" ,"EndYear" };
const char *NameSelectMonth [Svy_NUM_DATES] = {"StartMonth" ,"EndMonth" };
const char *NameSelectDay [Svy_NUM_DATES] = {"StartDay" ,"EndDay" };
const char *NameSelectHour [Svy_NUM_DATES] = {"StartHour" ,"EndHour" };
const char *NameSelectMinute[Svy_NUM_DATES] = {"StartMinute","EndMinute"};
const char *Dates[Svy_NUM_DATES] = {Txt_Start_date,Txt_End_date};
char Txt[Cns_MAX_BYTES_TEXT+1];
/***** Get parameters *****/
Svy_GetParamSvyOrderType ();
Grp_GetParamWhichGrps ();
Pag_GetParamPagNum (Pag_SURVEYS);
/***** Get the code of the survey *****/
ItsANewSurvey = ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L);
/***** Get from the database the data of the survey *****/
if (ItsANewSurvey)
{
/***** Put link (form) to create new survey *****/
if (!Svy_CheckIfICanCreateSvy ())
Lay_ShowErrorAndExit ("You can not create a new survey here.");
/* Initialize to empty survey */
Svy.SvyCod = -1L;
Svy.DateTimes[Svy_START_TIME].Date.Year = Gbl.Now.Date.Year;
Svy.DateTimes[Svy_START_TIME].Date.Month = Gbl.Now.Date.Month;
Svy.DateTimes[Svy_START_TIME].Date.Day = Gbl.Now.Date.Day;
Svy.DateTimes[Svy_START_TIME].Time.Hour = Gbl.Now.Time.Hour;
Svy.DateTimes[Svy_START_TIME].Time.Minute = Gbl.Now.Time.Minute;
Svy.DateTimes[Svy_START_TIME].Time.Second = Gbl.Now.Time.Second;
Svy.DateTimes[Svy_END_TIME ].Date.Year = Gbl.Now.Date.Year;
Svy.DateTimes[Svy_END_TIME ].Date.Month = Gbl.Now.Date.Month;
Svy.DateTimes[Svy_END_TIME ].Date.Day = Gbl.Now.Date.Day;
Svy.DateTimes[Svy_END_TIME ].Time.Hour = 23;
Svy.DateTimes[Svy_END_TIME ].Time.Minute = 59;
Svy.DateTimes[Svy_END_TIME ].Time.Second = 59;
Svy.Title[0] = '\0';
Svy.Roles = (1 << Rol_ROLE_STUDENT);
Svy.NumQsts = 0;
Svy.NumUsrs = 0;
Svy.Status.Visible = true;
Svy.Status.Open = true;
Svy.Status.IAmLoggedWithAValidRoleToAnswer = false;
Svy.Status.IBelongToDegCrsGrps = false;
Svy.Status.IHaveAnswered = false;
Svy.Status.ICanAnswer = false;
Svy.Status.ICanViewResults = false;
}
else
{
/* Get data of the survey from database */
Svy_GetDataOfSurveyByCod (&Svy);
if (!Svy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not update this survey.");
/* Get text of the survey from database */
Svy_GetSurveyTxtFromDB (Svy.SvyCod,Txt);
}
/***** Form start *****/
if (ItsANewSurvey)
Act_FormStart (ActNewSvy);
else
{
Act_FormStart (ActChgSvy);
Svy_PutParamSvyCod (Svy.SvyCod);
}
Svy_PutHiddenParamSvyOrderType ();
Grp_PutParamWhichGrps ();
Pag_PutHiddenParamPagNum (Gbl.Pag.CurrentPage);
/***** Table start *****/
Lay_StartRoundFrameTable10 (NULL,2,
ItsANewSurvey ? Txt_New_survey :
Txt_Edit_survey);
/***** Survey for anywhere, degree or course? *****/
fprintf (Gbl.F.Out,"
"
"
"
"%s:"
"
"
"
",
Txt_Scope);
if (!Svy_SetDefaultAndAllowedForEdition ())
Lay_ShowErrorAndExit ("You don't have permission to edit surveys here.");
Sco_GetScope ();
Sco_PutSelectorScope (false);
fprintf (Gbl.F.Out,"
"
"
");
/***** Survey title *****/
fprintf (Gbl.F.Out,"
"
"
"
"%s:"
"
"
"
"
""
"
"
"
",
Txt_Title,
Svy_MAX_LENGTH_SURVEY_TITLE,Svy.Title);
/***** Survey start and end dates *****/
for (StartOrEndTime = Svy_START_TIME;
StartOrEndTime <= Svy_END_TIME;
StartOrEndTime++)
{
fprintf (Gbl.F.Out,"
");
/***** Groups *****/
Svy_ShowLstGrpsToEditSurvey (Svy.SvyCod);
/***** Table end *****/
Lay_EndRoundFrameTable10 ();
/***** Button to create/modify survey *****/
Lay_PutSendButton (ItsANewSurvey ? Txt_Create_survey :
Txt_Modify_survey);
/***** Form end *****/
fprintf (Gbl.F.Out,"");
/***** Show questions of the survey ready to be edited *****/
if (!ItsANewSurvey)
Svy_ListSvyQuestions (&Svy,&SvyQst);
}
/*****************************************************************************/
/*** Set default and allowed location ranges depending on logged user type ***/
/*****************************************************************************/
// Return true if user can edit surveys in current location
static bool Svy_SetDefaultAndAllowedForEdition (void)
{
Gbl.Scope.Default = Sco_SCOPE_NONE;
Gbl.Scope.Allowed = 0;
switch (Gbl.Usrs.Me.LoggedRole)
{
case Rol_ROLE_TEACHER:
if (Gbl.CurrentCrs.Crs.CrsCod > 0)
{
Gbl.Scope.Default = Sco_SCOPE_COURSE;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_COURSE;
return true;
}
return false;
case Rol_ROLE_DEG_ADMIN:
if (Gbl.CurrentDeg.Deg.DegCod > 0)
{
Gbl.Scope.Default = Sco_SCOPE_DEGREE;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_DEGREE;
return true;
}
return false;
case Rol_ROLE_SUPERUSER:
Gbl.Scope.Default = Sco_SCOPE_PLATFORM;
Gbl.Scope.Allowed = 1 << Sco_SCOPE_PLATFORM |
// 1 << Sco_SCOPE_COUNTRY | // TODO: Add this scope
// 1 << Sco_SCOPE_INSTITUTION | // TODO: Add this scope
// 1 << Sco_SCOPE_CENTRE | // TODO: Add this scope
1 << Sco_SCOPE_DEGREE |
1 << Sco_SCOPE_COURSE;
return true;
default:
return false;
}
}
/*****************************************************************************/
/******************** Show list of groups to edit a survey *******************/
/*****************************************************************************/
static void Svy_ShowLstGrpsToEditSurvey (long SvyCod)
{
extern const char *Txt_Groups;
extern const char *Txt_The_whole_course;
unsigned NumGrpTyp;
/***** Get list of groups types and groups in this course *****/
Grp_GetListGrpTypesAndGrpsInThisCrs (Grp_ONLY_GROUP_TYPES_WITH_GROUPS);
if (Gbl.CurrentCrs.Grps.GrpTypes.Num)
{
/***** Start table *****/
fprintf (Gbl.F.Out,"
"
"
"
"%s:"
"
"
"
",
Txt_Groups);
Lay_StartRoundFrameTable10 (NULL,0,NULL);
/***** First row: checkbox to select the whole course *****/
fprintf (Gbl.F.Out,"
"
"
"
"%s %s
"
"
",
Txt_The_whole_course,Gbl.CurrentCrs.Crs.ShortName);
/***** List the groups for each group type *****/
for (NumGrpTyp = 0;
NumGrpTyp < Gbl.CurrentCrs.Grps.GrpTypes.Num;
NumGrpTyp++)
if (Gbl.CurrentCrs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp].NumGrps)
Grp_ListGrpsToEditAsgAttOrSvy (&Gbl.CurrentCrs.Grps.GrpTypes.LstGrpTypes[NumGrpTyp],SvyCod,Grp_SURVEY);
/***** End table *****/
Lay_EndRoundFrameTable10 ();
fprintf (Gbl.F.Out,""
"");
}
/***** Free list of groups types and groups in this course *****/
Grp_FreeListGrpTypesAndGrps ();
}
/*****************************************************************************/
/********************* Receive form to create a new survey *******************/
/*****************************************************************************/
void Svy_RecFormSurvey (void)
{
extern const char *Txt_Already_existed_a_survey_with_the_title_X;
extern const char *Txt_You_must_specify_the_title_of_the_survey;
struct Survey OldSvy,NewSvy;
struct SurveyQuestion SvyQst;
bool ItsANewSurvey;
bool NewSurveyIsCorrect = true;
unsigned NumUsrsToBeNotifiedByEMail;
char Txt[Cns_MAX_BYTES_TEXT+1];
/***** Get the code of the survey *****/
ItsANewSurvey = ((NewSvy.SvyCod = Svy_GetParamSvyCod ()) == -1L);
if (!ItsANewSurvey)
{
/* Get data of the old (current) survey from database */
OldSvy.SvyCod = NewSvy.SvyCod;
Svy_GetDataOfSurveyByCod (&OldSvy);
if (!OldSvy.Status.ICanEdit)
Lay_ShowErrorAndExit ("You can not update this survey.");
}
/***** Get scope *****/
Gbl.Scope.Allowed = 1 << Sco_SCOPE_PLATFORM |
// 1 << Sco_SCOPE_COUNTRY | // TODO: Add this scope
// 1 << Sco_SCOPE_INSTITUTION | // TODO: Add this scope
// 1 << Sco_SCOPE_CENTRE | // TODO: Add this scope
1 << Sco_SCOPE_DEGREE |
1 << Sco_SCOPE_COURSE;
Gbl.Scope.Default = Sco_SCOPE_PLATFORM;
Sco_GetScope ();
switch (Gbl.Scope.Current)
{
case Sco_SCOPE_PLATFORM:
NewSvy.DegCod = -1L;
NewSvy.CrsCod = -1L;
break;
case Sco_SCOPE_DEGREE:
if (Gbl.CurrentDeg.Deg.DegCod > 0)
{
NewSvy.DegCod = Gbl.CurrentDeg.Deg.DegCod;
NewSvy.CrsCod = -1L;
}
else
Lay_ShowErrorAndExit ("Wrong survey location.");
break;
case Sco_SCOPE_COURSE:
if (Gbl.CurrentCrs.Crs.CrsCod > 0)
{
NewSvy.DegCod = -1L; // DegCod doen't mind when CrsCod > 0
NewSvy.CrsCod = Gbl.CurrentCrs.Crs.CrsCod;
}
else
Lay_ShowErrorAndExit ("Wrong survey location.");
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
/***** Get start date *****/
Dat_GetDateFromForm ("StartDay","StartMonth","StartYear",
&(NewSvy.DateTimes[Svy_START_TIME].Date.Day),
&(NewSvy.DateTimes[Svy_START_TIME].Date.Month),
&(NewSvy.DateTimes[Svy_START_TIME].Date.Year));
Dat_GetHourMinuteFromForm ("StartHour","StartMinute",
&(NewSvy.DateTimes[Svy_START_TIME].Time.Hour),
&(NewSvy.DateTimes[Svy_START_TIME].Time.Minute));
/***** Get end date *****/
Dat_GetDateFromForm ("EndDay","EndMonth","EndYear",
&(NewSvy.DateTimes[Svy_END_TIME].Date.Day),
&(NewSvy.DateTimes[Svy_END_TIME].Date.Month),
&(NewSvy.DateTimes[Svy_END_TIME].Date.Year));
Dat_GetHourMinuteFromForm ("EndHour","EndMinute",
&(NewSvy.DateTimes[Svy_END_TIME].Time.Hour),
&(NewSvy.DateTimes[Svy_END_TIME].Time.Minute));
/***** Get survey title *****/
Par_GetParToText ("Title",NewSvy.Title,Svy_MAX_LENGTH_SURVEY_TITLE);
/***** Get survey text and insert links *****/
Par_GetParToHTML ("Txt",Txt,Cns_MAX_BYTES_TEXT); // Store in HTML format (not rigorous)
/***** Adjust dates *****/
if (NewSvy.DateTimes[Svy_START_TIME].Date.Day == 0 ||
NewSvy.DateTimes[Svy_START_TIME].Date.Month == 0 ||
NewSvy.DateTimes[Svy_START_TIME].Date.Year == 0)
{
NewSvy.DateTimes[Svy_START_TIME].Date.Year = Gbl.Now.Date.Year;
NewSvy.DateTimes[Svy_START_TIME].Date.Month = Gbl.Now.Date.Month;
NewSvy.DateTimes[Svy_START_TIME].Date.Day = Gbl.Now.Date.Day;
NewSvy.DateTimes[Svy_START_TIME].Time.Hour = Gbl.Now.Time.Hour;
NewSvy.DateTimes[Svy_START_TIME].Time.Minute = Gbl.Now.Time.Minute;
NewSvy.DateTimes[Svy_START_TIME].Time.Second = Gbl.Now.Time.Second;
}
if (NewSvy.DateTimes[Svy_END_TIME].Date.Day == 0 ||
NewSvy.DateTimes[Svy_END_TIME].Date.Month == 0 ||
NewSvy.DateTimes[Svy_END_TIME].Date.Year == 0)
{
NewSvy.DateTimes[Svy_END_TIME].Date.Year = Gbl.Now.Date.Year;
NewSvy.DateTimes[Svy_END_TIME].Date.Month = Gbl.Now.Date.Month;
NewSvy.DateTimes[Svy_END_TIME].Date.Day = Gbl.Now.Date.Day;
NewSvy.DateTimes[Svy_END_TIME].Time.Hour = 23;
NewSvy.DateTimes[Svy_END_TIME].Time.Minute = 59;
}
NewSvy.DateTimes[Svy_END_TIME].Time.Second = 59;
/***** Get users who can answer this survey *****/
Rol_GetSelectedRoles (&(NewSvy.Roles));
/***** Check if title is correct *****/
if (NewSvy.Title[0]) // If there's a survey title
{
/* If title of survey was in database... */
if (Svy_CheckIfSimilarSurveyExists (&NewSvy))
{
NewSurveyIsCorrect = false;
sprintf (Gbl.Message,Txt_Already_existed_a_survey_with_the_title_X,
NewSvy.Title);
Lay_ShowAlert (Lay_WARNING,Gbl.Message);
}
}
else // If there is not a survey title
{
NewSurveyIsCorrect = false;
Lay_ShowAlert (Lay_WARNING,Txt_You_must_specify_the_title_of_the_survey);
}
/***** Create a new survey or update an existing one *****/
if (NewSurveyIsCorrect)
{
/* Get groups for this surveys */
Grp_GetParCodsSeveralGrpsToEditAsgAttOrSvy ();
if (ItsANewSurvey)
Svy_CreateSurvey (&NewSvy,Txt); // Add new survey to database
else
Svy_UpdateSurvey (&NewSvy,Txt);
/* Free memory for list of selected groups */
Grp_FreeListCodSelectedGrps ();
}
else
Svy_RequestCreatOrEditSvy ();
/***** Notify by e-mail about the new assignment *****/
if (NewSvy.CrsCod > 0) // Notify only the surveys for a course, not for a degree or global
{
if ((NumUsrsToBeNotifiedByEMail = Ntf_StoreNotifyEventsToAllUsrs (Ntf_EVENT_SURVEY,NewSvy.SvyCod)))
Svy_UpdateNumUsrsNotifiedByEMailAboutSurvey (NewSvy.SvyCod,NumUsrsToBeNotifiedByEMail);
Ntf_ShowAlertNumUsrsToBeNotifiedByEMail (NumUsrsToBeNotifiedByEMail);
}
/***** Show surveys again *****/
Svy_ListAllSurveys (&SvyQst);
}
/*****************************************************************************/
/*********** Update number of users notified in table of surveys *************/
/*****************************************************************************/
static void Svy_UpdateNumUsrsNotifiedByEMailAboutSurvey (long SvyCod,unsigned NumUsrsToBeNotifiedByEMail)
{
char Query[512];
/***** Update number of users notified *****/
sprintf (Query,"UPDATE surveys SET NumNotif=NumNotif+'%u'"
" WHERE SvyCod='%ld'",
NumUsrsToBeNotifiedByEMail,SvyCod);
DB_QueryUPDATE (Query,"can not update the number of notifications of a survey");
}
/*****************************************************************************/
/*************************** Create a new survey *****************************/
/*****************************************************************************/
static void Svy_CreateSurvey (struct Survey *Svy,const char *Txt)
{
extern const char *Txt_Created_new_survey_X;
char Query[1024+Cns_MAX_BYTES_TEXT];
/***** Create a new survey *****/
sprintf (Query,"INSERT INTO surveys (DegCod,CrsCod,Hidden,Roles,UsrCod,StartTime,EndTime,Title,Txt)"
" VALUES ('%ld','%ld','N','%u','%ld','%04u%02u%02u%02u%02u%02u','%04u%02u%02u%02u%02u%02u','%s','%s')",
Svy->DegCod,
Svy->CrsCod,
Svy->Roles,
Gbl.Usrs.Me.UsrDat.UsrCod,
Svy->DateTimes[Svy_START_TIME].Date.Year,
Svy->DateTimes[Svy_START_TIME].Date.Month,
Svy->DateTimes[Svy_START_TIME].Date.Day,
Svy->DateTimes[Svy_START_TIME].Time.Hour,
Svy->DateTimes[Svy_START_TIME].Time.Minute,
Svy->DateTimes[Svy_START_TIME].Time.Second,
Svy->DateTimes[Svy_END_TIME].Date.Year,
Svy->DateTimes[Svy_END_TIME].Date.Month,
Svy->DateTimes[Svy_END_TIME].Date.Day,
Svy->DateTimes[Svy_END_TIME].Time.Hour,
Svy->DateTimes[Svy_END_TIME].Time.Minute,
Svy->DateTimes[Svy_END_TIME].Time.Second,
Svy->Title,
Txt);
Svy->SvyCod = DB_QueryINSERTandReturnCode (Query,"can not create new survey");
/***** Create groups *****/
if (Gbl.CurrentCrs.Grps.LstGrpsSel.NumGrps)
Svy_CreateGrps (Svy->SvyCod);
/***** Write success message *****/
sprintf (Gbl.Message,Txt_Created_new_survey_X,
Svy->Title);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
}
/*****************************************************************************/
/************************* Update an existing survey *************************/
/*****************************************************************************/
static void Svy_UpdateSurvey (struct Survey *Svy,const char *Txt)
{
extern const char *Txt_The_survey_has_been_modified;
char Query[1024+Cns_MAX_BYTES_TEXT];
/***** Update the data of the survey *****/
sprintf (Query,"UPDATE surveys SET DegCod='%ld',CrsCod='%ld',Roles='%u',StartTime='%04u%02u%02u%02u%02u%02u',EndTime='%04u%02u%02u%02u%02u%02u',Title='%s',Txt='%s'"
" WHERE SvyCod='%ld'",
Svy->DegCod,Svy->CrsCod,
Svy->Roles,
Svy->DateTimes[Svy_START_TIME].Date.Year,
Svy->DateTimes[Svy_START_TIME].Date.Month,
Svy->DateTimes[Svy_START_TIME].Date.Day,
Svy->DateTimes[Svy_START_TIME].Time.Hour,
Svy->DateTimes[Svy_START_TIME].Time.Minute,
Svy->DateTimes[Svy_START_TIME].Time.Second,
Svy->DateTimes[Svy_END_TIME ].Date.Year,
Svy->DateTimes[Svy_END_TIME ].Date.Month,
Svy->DateTimes[Svy_END_TIME ].Date.Day,
Svy->DateTimes[Svy_END_TIME ].Time.Hour,
Svy->DateTimes[Svy_END_TIME ].Time.Minute,
Svy->DateTimes[Svy_END_TIME ].Time.Second,
Svy->Title,
Txt,
Svy->SvyCod);
DB_QueryUPDATE (Query,"can not update survey");
/***** Update groups *****/
/* Remove old groups */
Svy_RemoveAllTheGrpsAssociatedToAndSurvey (Svy->SvyCod);
/* Create new groups */
if (Gbl.CurrentCrs.Grps.LstGrpsSel.NumGrps)
Svy_CreateGrps (Svy->SvyCod);
/***** Write success message *****/
Lay_ShowAlert (Lay_SUCCESS,Txt_The_survey_has_been_modified);
}
/*****************************************************************************/
/*************** Check if a survey is associated to any group ****************/
/*****************************************************************************/
static bool Svy_CheckIfSvyIsAssociatedToGrps (long SvyCod)
{
char Query[256];
/***** Get if a survey is associated to a group from database *****/
sprintf (Query,"SELECT COUNT(*) FROM svy_grp WHERE SvyCod='%ld'",
SvyCod);
return (DB_QueryCOUNT (Query,"can not check if a survey is associated to groups") != 0);
}
/*****************************************************************************/
/**************** Check if a survey is associated to a group *****************/
/*****************************************************************************/
bool Svy_CheckIfSvyIsAssociatedToGrp (long SvyCod,long GrpCod)
{
char Query[512];
/***** Get if a survey is associated to a group from database *****/
sprintf (Query,"SELECT COUNT(*) FROM svy_grp WHERE SvyCod='%ld' AND GrpCod='%ld'",
SvyCod,GrpCod);
return (DB_QueryCOUNT (Query,"can not check if a survey is associated to a group") != 0);
}
/*****************************************************************************/
/************************* Remove groups of a survey *************************/
/*****************************************************************************/
static void Svy_RemoveAllTheGrpsAssociatedToAndSurvey (long SvyCod)
{
char Query[256];
/***** Remove groups of the survey *****/
sprintf (Query,"DELETE FROM svy_grp WHERE SvyCod='%ld'",SvyCod);
DB_QueryDELETE (Query,"can not remove the groups associated to a survey");
}
/*****************************************************************************/
/******************* Remove one group from all the surveys *******************/
/*****************************************************************************/
void Svy_RemoveGroup (long GrpCod)
{
char Query[256];
/***** Remove group from all the surveys *****/
sprintf (Query,"DELETE FROM svy_grp WHERE GrpCod='%ld'",GrpCod);
DB_QueryDELETE (Query,"can not remove group from the associations between surveys and groups");
}
/*****************************************************************************/
/*************** Remove groups of one type from all the surveys **************/
/*****************************************************************************/
void Svy_RemoveGroupsOfType (long GrpTypCod)
{
char Query[256];
/***** Remove group from all the surveys *****/
sprintf (Query,"DELETE FROM svy_grp USING crs_grp,svy_grp"
" WHERE crs_grp.GrpTypCod='%ld' AND crs_grp.GrpCod=svy_grp.GrpCod",
GrpTypCod);
DB_QueryDELETE (Query,"can not remove groups of a type from the associations between surveys and groups");
}
/*****************************************************************************/
/************************ Create groups of a survey **************************/
/*****************************************************************************/
static void Svy_CreateGrps (long SvyCod)
{
unsigned NumGrpSel;
char Query[256];
/***** Create groups of the survey *****/
for (NumGrpSel = 0;
NumGrpSel < Gbl.CurrentCrs.Grps.LstGrpsSel.NumGrps;
NumGrpSel++)
{
/* Create group */
sprintf (Query,"INSERT INTO svy_grp (SvyCod,GrpCod) VALUES ('%ld','%ld')",
SvyCod,Gbl.CurrentCrs.Grps.LstGrpsSel.GrpCod[NumGrpSel]);
DB_QueryINSERT (Query,"can not associate a group to a survey");
}
}
/*****************************************************************************/
/************ Get and write the names of the groups of a survey **************/
/*****************************************************************************/
static void Svy_GetAndWriteNamesOfGrpsAssociatedToSvy (struct Survey *Svy)
{
extern const char *Txt_Group;
extern const char *Txt_Groups;
extern const char *Txt_and;
extern const char *Txt_The_whole_course;
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRow;
unsigned long NumRows;
/***** Get groups associated to a survey from database *****/
sprintf (Query,"SELECT crs_grp_types.GrpTypName,crs_grp.GrpName"
" FROM svy_grp,crs_grp,crs_grp_types"
" WHERE svy_grp.SvyCod='%ld'"
" AND svy_grp.GrpCod=crs_grp.GrpCod"
" AND crs_grp.GrpTypCod=crs_grp_types.GrpTypCod"
" ORDER BY crs_grp_types.GrpTypName,crs_grp.GrpName",
Svy->SvyCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get groups of a survey");
/***** Write heading *****/
fprintf (Gbl.F.Out,"
%s: ",
Svy->Status.Visible ? "ASG_GRP" :
"ASG_GRP_LIGHT",
NumRows == 1 ? Txt_Group :
Txt_Groups);
/***** Write groups *****/
if (NumRows) // Groups found...
{
/* Get and write the group types and names */
for (NumRow = 0;
NumRow < NumRows;
NumRow++)
{
/* Get next group */
row = mysql_fetch_row (mysql_res);
/* Write group type name and group name */
fprintf (Gbl.F.Out,"%s %s",row[0],row[1]);
if (NumRows >= 2)
{
if (NumRow == NumRows-2)
fprintf (Gbl.F.Out," %s ",Txt_and);
if (NumRows >= 3)
if (NumRow < NumRows-2)
fprintf (Gbl.F.Out,", ");
}
}
}
else
fprintf (Gbl.F.Out,"%s %s",
Txt_The_whole_course,Gbl.CurrentCrs.Crs.ShortName);
fprintf (Gbl.F.Out,"
");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/********************* Remove all the surveys of a degree ********************/
/*****************************************************************************/
void Svy_RemoveDegSurveys (long DegCod)
{
char Query[512];
/***** Remove all the users in degree surveys
(not including surveys of courses in degree) *****/
sprintf (Query,"DELETE FROM svy_users USING surveys,svy_users"
" WHERE surveys.DegCod='%ld' AND surveys.CrsCod='-1'"
" AND surveys.SvyCod=svy_users.SvyCod",
DegCod);
DB_QueryDELETE (Query,"can not remove users who are answered surveys in a degree");
/***** Remove all the answers in degree surveys
(not including surveys of courses in degree) *****/
sprintf (Query,"DELETE FROM svy_answers USING surveys,svy_questions,svy_answers"
" WHERE surveys.DegCod='%ld' AND surveys.CrsCod='-1'"
" AND surveys.SvyCod=svy_questions.SvyCod"
" AND svy_questions.QstCod=svy_answers.QstCod",
DegCod);
DB_QueryDELETE (Query,"can not remove answers of surveys in a degree");
/***** Remove all the questions in this survey
(not including surveys of courses in degree) *****/
sprintf (Query,"DELETE FROM svy_questions USING surveys,svy_questions"
" WHERE surveys.DegCod='%ld' AND surveys.CrsCod='-1'"
" AND surveys.SvyCod=svy_questions.SvyCod",
DegCod);
DB_QueryDELETE (Query,"can not remove questions of surveys in a degree");
/***** Remove degree surveys
(not including surveys of courses in degree) *****/
sprintf (Query,"DELETE FROM surveys"
" WHERE surveys.DegCod='%ld' AND surveys.CrsCod='-1'",
DegCod);
DB_QueryDELETE (Query,"can not remove all the surveys of a course");
}
/*****************************************************************************/
/********************* Remove all the surveys of a course ********************/
/*****************************************************************************/
void Svy_RemoveCrsSurveys (long CrsCod)
{
char Query[512];
/***** Remove all the users in course surveys *****/
sprintf (Query,"DELETE FROM svy_users USING surveys,svy_users"
" WHERE surveys.CrsCod='%ld'"
" AND surveys.SvyCod=svy_users.SvyCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove users who are answered surveys in a course");
/***** Remove all the answers in course surveys *****/
sprintf (Query,"DELETE FROM svy_answers USING surveys,svy_questions,svy_answers"
" WHERE surveys.CrsCod='%ld'"
" AND surveys.SvyCod=svy_questions.SvyCod"
" AND svy_questions.QstCod=svy_answers.QstCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove answers of surveys in a course");
/***** Remove all the questions in course surveys *****/
sprintf (Query,"DELETE FROM svy_questions USING surveys,svy_questions"
" WHERE surveys.CrsCod='%ld'"
" AND surveys.SvyCod=svy_questions.SvyCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove questions of surveys in a course");
/***** Remove groups *****/
sprintf (Query,"DELETE FROM svy_grp USING surveys,svy_grp"
" WHERE surveys.CrsCod='%ld' AND surveys.SvyCod=svy_grp.SvyCod",
CrsCod);
DB_QueryDELETE (Query,"can not remove all the groups associated to surveys of a course");
/***** Remove course surveys *****/
sprintf (Query,"DELETE FROM surveys WHERE CrsCod='%ld'",CrsCod);
DB_QueryDELETE (Query,"can not remove all the surveys of a course");
}
/*****************************************************************************/
/************ Check if I belong to any of the groups of a survey *************/
/*****************************************************************************/
static bool Svy_CheckIfICanDoThisSurveyBasedOnGrps (long SvyCod)
{
char Query[512];
/***** Get if I can do a survey from database *****/
sprintf (Query,"SELECT COUNT(*) FROM surveys"
" WHERE SvyCod='%ld'"
" AND (SvyCod NOT IN (SELECT SvyCod FROM svy_grp) OR"
" SvyCod IN (SELECT svy_grp.SvyCod FROM svy_grp,crs_grp_usr"
" WHERE crs_grp_usr.UsrCod='%ld' AND svy_grp.GrpCod=crs_grp_usr.GrpCod))",
SvyCod,Gbl.Usrs.Me.UsrDat.UsrCod);
return (DB_QueryCOUNT (Query,"can not check if I can do a survey") != 0);
}
/*****************************************************************************/
/******************* Get number of questions of a survey *********************/
/*****************************************************************************/
static unsigned Svy_GetNumQstsSvy (long SvyCod)
{
char Query[512];
/***** Get data of questions from database *****/
sprintf (Query,"SELECT COUNT(*) FROM svy_questions WHERE SvyCod='%ld'",
SvyCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get number of questions of a survey");
}
/*****************************************************************************/
/*********** Put a form to edit/create a question in survey *****************/
/*****************************************************************************/
void Svy_RequestEditQuestion (void)
{
long SvyCod;
struct SurveyQuestion SvyQst;
char Txt[Cns_MAX_BYTES_TEXT+1];
/***** Initialize question to zero *****/
Svy_InitQst (&SvyQst);
Txt[0] = '\0';
/***** Get survey code *****/
if ((SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/* Get the question code */
SvyQst.QstCod = Svy_GetParamQstCod ();
/***** Get other parameters *****/
Svy_GetParamSvyOrderType ();
Grp_GetParamWhichGrps ();
Pag_GetParamPagNum (Pag_SURVEYS);
/***** Show form to create a new question in this survey *****/
Svy_ShowFormEditOneQst (SvyCod,&SvyQst,Txt);
/***** Show current survey *****/
Lay_StartRoundFrameTable10 (NULL,2,NULL);
Svy_ShowOneSurvey (SvyCod,&SvyQst,true);
Lay_EndRoundFrameTable10 ();
}
/*****************************************************************************/
/******************* Show form to edit one survey question *******************/
/*****************************************************************************/
static void Svy_ShowFormEditOneQst (long SvyCod,struct SurveyQuestion *SvyQst,char *Txt)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_Question;
extern const char *Txt_New_question;
extern const char *Txt_Stem;
extern const char *Txt_Type;
extern const char *Txt_SURVEY_STR_ANSWER_TYPES[Svy_NUM_ANS_TYPES];
extern const char *Txt_Send;
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumAns,NumAnswers = 0;
Svy_AnswerType_t AnsType;
if (Gbl.CurrentAct == ActEdiOneSvyQst) // If no receiving the question, but editing a new or existing question
{
if ((SvyQst->QstCod > 0)) // If parameter QstCod received ==> question already exists in the database
{
/***** Get the type of answer and the stem from the database *****/
/* Get the question from database */
sprintf (Query,"SELECT QstInd,AnsType,Stem FROM svy_questions"
" WHERE QstCod='%ld' AND SvyCod='%ld'",
SvyQst->QstCod,SvyCod);
DB_QuerySELECT (Query,&mysql_res,"can not get a question");
row = mysql_fetch_row (mysql_res);
/* Get question index inside survey (row[0]) */
if (sscanf (row[0],"%u",&(SvyQst->QstInd)) != 1)
Lay_ShowErrorAndExit ("Error: wrong question index.");
/* Get the type of answer (row[1]) */
SvyQst->AnswerType = Svy_ConvertFromStrAnsTypDBToAnsTyp (row[1]);
/* Get the stem of the question from the database (row[2]) */
strncpy (Txt,row[2],Cns_MAX_BYTES_TEXT);
Txt[Cns_MAX_BYTES_TEXT] = '\0';
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_res);
/***** Get the answers from the database *****/
NumAnswers = Svy_GetAnswersQst (SvyQst->QstCod,&mysql_res); // Result: AnsInd,NumUsrs,Answer
for (NumAns = 0;
NumAns < NumAnswers;
NumAns++)
{
row = mysql_fetch_row (mysql_res);
if (NumAnswers > Svy_MAX_ANSWERS_PER_QUESTION)
Lay_ShowErrorAndExit ("Wrong answer.");
if (!Svy_AllocateTextChoiceAnswer (SvyQst,NumAns))
Lay_ShowErrorAndExit (Gbl.Message);
strncpy (SvyQst->AnsChoice[NumAns].Text,row[2],Svy_MAX_BYTES_ANSWER);
SvyQst->AnsChoice[NumAns].Text[Svy_MAX_BYTES_ANSWER] = '\0';
}
/* Free structure that stores the query result */
DB_FreeMySQLResult (&mysql_res);
}
}
/***** Start form *****/
Act_FormStart (ActRcvSvyQst);
Svy_PutParamSvyCod (SvyCod);
if (SvyQst->QstCod > 0) // If the question already has assigned a code
Svy_PutParamQstCod (SvyQst->QstCod);
fprintf (Gbl.F.Out,"
");
/***** Show message *****/
if (SvyQst->QstCod > 0) // If the question already has assigned a code
{
sprintf (Gbl.Message,"%s %u",
Txt_Question,SvyQst->QstInd + 1); // Question index may be 0, 1, 2, 3,...
Lay_WriteTitle (Gbl.Message);
}
else
Lay_WriteTitle (Txt_New_question);
fprintf (Gbl.F.Out,"
");
/***** Stem *****/
fprintf (Gbl.F.Out,"
"
"
"
"%s:"
"
"
"
"
""
"
"
"
",
The_ClassFormul[Gbl.Prefs.Theme],Txt_Stem,
Txt);
/***** Type of answer *****/
fprintf (Gbl.F.Out,"
");
for (NumAns = 0;
NumAns < Svy_MAX_ANSWERS_PER_QUESTION;
NumAns++)
{
/* Label with the number of the answer */
fprintf (Gbl.F.Out,"
"
"
"
"%u)"
"
",
The_ClassFormul[Gbl.Prefs.Theme],NumAns+1);
/* Answer text */
fprintf (Gbl.F.Out,"
"
""
"
"
"
");
}
/***** Send and undo buttons *****/
fprintf (Gbl.F.Out,"
");
Lay_PutSendButton (Txt_Send);
fprintf (Gbl.F.Out,"");
Svy_FreeTextChoiceAnswers (SvyQst,NumAnswers);
}
/*****************************************************************************/
/********************* Initialize a new question to zero *********************/
/*****************************************************************************/
static void Svy_InitQst (struct SurveyQuestion *SvyQst)
{
unsigned NumAns;
SvyQst->QstCod = -1L;
SvyQst->QstInd = 0;
SvyQst->AnswerType = Svy_ANS_UNIQUE_CHOICE;
for (NumAns = 0;
NumAns < Svy_MAX_ANSWERS_PER_QUESTION;
NumAns++)
SvyQst->AnsChoice[NumAns].Text = NULL;
}
/*****************************************************************************/
/****************** Write parameter with code of question ********************/
/*****************************************************************************/
static void Svy_PutParamQstCod (long QstCod)
{
Par_PutHiddenParamLong ("QstCod",QstCod);
}
/*****************************************************************************/
/******************* Get parameter with code of question *********************/
/*****************************************************************************/
static long Svy_GetParamQstCod (void)
{
char LongStr[1+10+1];
/***** Get parameter with code of survey *****/
Par_GetParToText ("QstCod",LongStr,1+10);
return Str_ConvertStrCodToLongCod (LongStr);
}
/*****************************************************************************/
/********************* Remove answers of a survey question *******************/
/*****************************************************************************/
static void Svy_RemAnswersOfAQuestion (long QstCod)
{
char Query[512];
/***** Remove answers *****/
sprintf (Query,"DELETE FROM svy_answers WHERE QstCod='%ld'",QstCod);
DB_QueryDELETE (Query,"can not remove the answers of a question");
}
/*****************************************************************************/
/*********** Convert a string with the answer type to answer type ************/
/*****************************************************************************/
static Svy_AnswerType_t Svy_ConvertFromStrAnsTypDBToAnsTyp (const char *StrAnsTypeBD)
{
Svy_AnswerType_t AnsType;
for (AnsType = (Svy_AnswerType_t) 0;
AnsType < Svy_NUM_ANS_TYPES;
AnsType++)
if (!strcmp (StrAnsTypeBD,Svy_StrAnswerTypesDB[AnsType]))
return AnsType;
return (Svy_AnswerType_t) 0;
}
/*****************************************************************************/
/************ Convert a string with an unsigned to answer type ***************/
/*****************************************************************************/
static Svy_AnswerType_t Svy_ConvertFromUnsignedStrToAnsTyp (const char *UnsignedStr)
{
unsigned AnsType;
if (sscanf (UnsignedStr,"%u",&AnsType) != 1)
Lay_ShowErrorAndExit ("Wrong type of answer.");
if (AnsType >= Svy_NUM_ANS_TYPES)
Lay_ShowErrorAndExit ("Wrong type of answer.");
return (Svy_AnswerType_t) AnsType;
}
/*****************************************************************************/
/*********** Check if an answer of a question exists in database *************/
/*****************************************************************************/
static bool Svy_CheckIfAnswerExists (long QstCod,unsigned AnsInd)
{
char Query[512];
/***** Get answers of a question from database *****/
sprintf (Query,"SELECT COUNT(*) FROM svy_answers"
" WHERE QstCod='%ld' AND AnsInd='%u'",
QstCod,AnsInd);
return (DB_QueryCOUNT (Query,"can not check if an answer exists") != 0);
}
/*****************************************************************************/
/************** Get answers of a survey question from database ***************/
/*****************************************************************************/
static unsigned Svy_GetAnswersQst (long QstCod,MYSQL_RES **mysql_res)
{
char Query[512];
unsigned long NumRows;
/***** Get answers of a question from database *****/
sprintf (Query,"SELECT AnsInd,NumUsrs,Answer FROM svy_answers"
" WHERE QstCod='%ld' ORDER BY AnsInd",
QstCod);
NumRows = DB_QuerySELECT (Query,mysql_res,"can not get answers of a question");
/***** Count number of rows of result *****/
if (NumRows == 0)
Lay_ShowErrorAndExit ("Error when getting answers of a question.");
return (unsigned) NumRows;
}
/*****************************************************************************/
/******************* Allocate memory for a choice answer *********************/
/*****************************************************************************/
static int Svy_AllocateTextChoiceAnswer (struct SurveyQuestion *SvyQst,unsigned NumAns)
{
Svy_FreeTextChoiceAnswer (SvyQst,NumAns);
if ((SvyQst->AnsChoice[NumAns].Text = malloc (Svy_MAX_BYTES_ANSWER+1)) == NULL)
{
sprintf (Gbl.Message,"Not enough memory to store answer.");
return 0;
}
SvyQst->AnsChoice[NumAns].Text[0] = '\0';
return 1;
}
/*****************************************************************************/
/******************** Free memory of all choice answers **********************/
/*****************************************************************************/
static void Svy_FreeTextChoiceAnswers (struct SurveyQuestion *SvyQst,unsigned NumAnswers)
{
unsigned NumAns;
for (NumAns = 0;
NumAns < NumAnswers;
NumAns++)
Svy_FreeTextChoiceAnswer (SvyQst,NumAns);
}
/*****************************************************************************/
/********************** Free memory of a choice answer ***********************/
/*****************************************************************************/
static void Svy_FreeTextChoiceAnswer (struct SurveyQuestion *SvyQst,unsigned NumAns)
{
if (SvyQst->AnsChoice[NumAns].Text)
{
free ((void *) SvyQst->AnsChoice[NumAns].Text);
SvyQst->AnsChoice[NumAns].Text = NULL;
}
}
/*****************************************************************************/
/*********************** Receive a question of a survey **********************/
/*****************************************************************************/
void Svy_ReceiveQst (void)
{
extern const char *Txt_You_must_type_the_stem_of_the_question;
extern const char *Txt_You_can_not_leave_empty_intermediate_answers;
extern const char *Txt_You_must_type_at_least_the_first_two_answers;
extern const char *Txt_The_survey_has_been_modified;
char Txt[Cns_MAX_BYTES_TEXT+1];
char Query[512+Cns_MAX_BYTES_TEXT+1];
long SvyCod;
struct SurveyQuestion SvyQst;
char UnsignedStr[10+1];
unsigned NumAns;
char AnsStr[8+10+1];
unsigned NumLastAns;
bool ThereIsEndOfAnswers;
bool Error = false;
/***** Initialize new question to zero *****/
Svy_InitQst (&SvyQst);
/***** Get parameters from form *****/
/* Get survey code */
if ((SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/* Get question code */
SvyQst.QstCod = Svy_GetParamQstCod ();
/* Get answer type */
Par_GetParToText ("AnswerType",UnsignedStr,10);
SvyQst.AnswerType = Svy_ConvertFromUnsignedStrToAnsTyp (UnsignedStr);
/* Get question text */
Par_GetParToHTML ("Txt",Txt,Cns_MAX_BYTES_TEXT);
/* Get the texts of the answers */
for (NumAns = 0;
NumAns < Svy_MAX_ANSWERS_PER_QUESTION;
NumAns++)
{
Svy_AllocateTextChoiceAnswer (&SvyQst,NumAns);
sprintf (AnsStr,"AnsStr%u",NumAns);
Par_GetParToHTML (AnsStr,SvyQst.AnsChoice[NumAns].Text,Svy_MAX_BYTES_ANSWER);
Str_ReplaceSeveralSpacesForOne (SvyQst.AnsChoice[NumAns].Text); // Join several spaces into one in answer
}
/***** Make sure that stem and answer are not empty *****/
if (Txt[0])
{
if (SvyQst.AnsChoice[0].Text[0]) // If the first answer has been filled
{
for (NumAns = 0, NumLastAns = 0, ThereIsEndOfAnswers = false;
!Error && NumAns < Svy_MAX_ANSWERS_PER_QUESTION;
NumAns++)
if (SvyQst.AnsChoice[NumAns].Text[0])
{
if (ThereIsEndOfAnswers)
{
Lay_ShowAlert (Lay_WARNING,Txt_You_can_not_leave_empty_intermediate_answers);
Error = true;
}
else
NumLastAns = NumAns;
}
else
ThereIsEndOfAnswers = true;
if (!Error)
{
if (NumLastAns < 1)
{
Lay_ShowAlert (Lay_WARNING,Txt_You_must_type_at_least_the_first_two_answers);
Error = true;
}
}
}
else // If first answer is empty
{
Lay_ShowAlert (Lay_WARNING,Txt_You_must_type_at_least_the_first_two_answers);
Error = true;
}
}
else
{
Lay_ShowAlert (Lay_WARNING,Txt_You_must_type_the_stem_of_the_question);
Error = true;
}
if (Error)
Svy_ShowFormEditOneQst (SvyCod,&SvyQst,Txt);
else
{
/***** Form is received OK ==> insert question and answer in the database *****/
if (SvyQst.QstCod < 0) // It's a new question
{
SvyQst.QstInd = Svy_GetNextQuestionIndexInSvy (SvyCod);
/* Insert question in the table of questions */
sprintf (Query,"INSERT INTO svy_questions (SvyCod,QstInd,AnsType,Stem)"
" VALUES ('%ld','%u','%s','%s')",
SvyCod,SvyQst.QstInd,Svy_StrAnswerTypesDB[SvyQst.AnswerType],Txt);
SvyQst.QstCod = DB_QueryINSERTandReturnCode (Query,"can not create question");
}
else // It's an existing question
{
/* Update question */
sprintf (Query,"UPDATE svy_questions SET Stem='%s',AnsType='%s'"
" WHERE QstCod='%ld' AND SvyCod='%ld'",
Txt,Svy_StrAnswerTypesDB[SvyQst.AnswerType],SvyQst.QstCod,SvyCod);
DB_QueryUPDATE (Query,"can not update question");
}
/* Insert, update or delete answers in the answers table */
for (NumAns = 0;
NumAns < Svy_MAX_ANSWERS_PER_QUESTION;
NumAns++)
if (Svy_CheckIfAnswerExists (SvyQst.QstCod,NumAns)) // If this answer exists...
{
if (SvyQst.AnsChoice[NumAns].Text[0]) // Answer is not empty
{
/* Update answer text */
sprintf (Query,"UPDATE svy_answers SET Answer='%s'"
" WHERE QstCod='%ld' AND AnsInd='%u'",
SvyQst.AnsChoice[NumAns].Text,SvyQst.QstCod,NumAns);
DB_QueryUPDATE (Query,"can not update answer");
}
else // Answer is empty
{
/* Delete answer from database */
sprintf (Query,"DELETE FROM svy_answers"
" WHERE QstCod='%ld' AND AnsInd='%u'",
SvyQst.QstCod,NumAns);
DB_QueryDELETE (Query,"can not delete answer");
}
}
else // If this answer does not exist...
{
if (SvyQst.AnsChoice[NumAns].Text[0]) // Answer is not empty
{
/* Create answer into database */
sprintf (Query,"INSERT INTO svy_answers (QstCod,AnsInd,NumUsrs,Answer)"
" VALUES ('%ld','%u','0','%s')",
SvyQst.QstCod,NumAns,SvyQst.AnsChoice[NumAns].Text);
DB_QueryINSERT (Query,"can not create answer");
}
}
/***** List the questions of this survey, including the new one just inserted into the database *****/
Lay_ShowAlert (Lay_SUCCESS,Txt_The_survey_has_been_modified);
}
/***** Free answers *****/
Svy_FreeTextChoiceAnswers (&SvyQst,Svy_MAX_ANSWERS_PER_QUESTION);
/***** Show current survey *****/
Lay_StartRoundFrameTable10 (NULL,2,NULL);
Svy_ShowOneSurvey (SvyCod,&SvyQst,true);
Lay_EndRoundFrameTable10 ();
}
/*****************************************************************************/
/******************* Get next question index in a survey *********************/
/*****************************************************************************/
static unsigned Svy_GetQstIndFromQstCod (long QstCod)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
unsigned QstInd = 0;
/***** Get number of surveys with a field value from database *****/
sprintf (Query,"SELECT QstInd FROM svy_questions"
" WHERE QstCod='%ld'",
QstCod);
NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get question index");
/***** Get number of users *****/
if (NumRows)
{
row = mysql_fetch_row (mysql_res);
if (sscanf (row[0],"%u",&QstInd) != 1)
Lay_ShowErrorAndExit ("Error when getting question index.");
}
else
Lay_ShowErrorAndExit ("Error when getting question index.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return QstInd;
}
/*****************************************************************************/
/******************* Get next question index in a survey *********************/
/*****************************************************************************/
static unsigned Svy_GetNextQuestionIndexInSvy (long SvyCod)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned QstInd = 0;
/***** Get number of surveys with a field value from database *****/
sprintf (Query,"SELECT MAX(QstInd) FROM svy_questions"
" WHERE SvyCod='%ld'",
SvyCod);
DB_QuerySELECT (Query,&mysql_res,"can not get last question index");
/***** Get number of users *****/
row = mysql_fetch_row (mysql_res);
if (row[0]) // There are questions
{
if (sscanf (row[0],"%u",&QstInd) != 1)
Lay_ShowErrorAndExit ("Error when getting last question index.");
QstInd++;
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return QstInd;
}
/*****************************************************************************/
/************************ List the questions of a survey *********************/
/*****************************************************************************/
static void Svy_ListSvyQuestions (struct Survey *Svy,struct SurveyQuestion *SvyQst)
{
extern const char *The_ClassFormul[The_NUM_THEMES];
extern const char *Txt_Survey_questions;
extern const char *Txt_No_INDEX;
extern const char *Txt_Type;
extern const char *Txt_Question;
extern const char *Txt_SURVEY_STR_ANSWER_TYPES[Svy_NUM_ANS_TYPES];
extern const char *Txt_This_survey_has_no_questions;
extern const char *Txt_Send_survey;
extern const char *Txt_Remove_question;
extern const char *Txt_Edit_question;
extern const char *Txt_New_question;
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumQsts;
unsigned NumQst;
/***** Get data of questions from database *****/
sprintf (Query,"SELECT QstCod,QstInd,AnsType,Stem"
" FROM svy_questions WHERE SvyCod='%ld' ORDER BY QstInd",
Svy->SvyCod);
NumQsts = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get data of a question");
if (Svy->Status.ICanAnswer)
{
/***** Start form to send answers to survey *****/
Act_FormStart (ActAnsSvy);
Svy_PutParamSvyCod (Svy->SvyCod);
}
Lay_StartRoundFrameTable10 (NULL,0,NULL);
/***** Heading title *****/
fprintf (Gbl.F.Out,"
");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
if (Svy->Status.ICanAnswer)
{
/***** Table end *****/
Lay_EndRoundFrameTable10 ();
/***** Button to create/modify survey *****/
Lay_PutSendButton (Txt_Send_survey);
/***** Form end *****/
fprintf (Gbl.F.Out,"");
}
else
{
if (Svy->Status.ICanEdit)
{
/***** Put form to add a new question in this survey *****/
fprintf (Gbl.F.Out,"
");
}
/***** Table end *****/
Lay_EndRoundFrameTable10 ();
}
}
/*****************************************************************************/
/********* Write hidden parameters for edition of survey questions ***********/
/*****************************************************************************/
static void Svy_WriteParamEditQst (struct SurveyQuestion *SvyQst)
{
Par_PutHiddenParamChar ("AllAnsTypes",
SvyQst->AllAnsTypes ? 'Y' :
'N');
Par_PutHiddenParamString ("AnswerType",SvyQst->ListAnsTypes);
}
/*****************************************************************************/
/****************** Write the heading of a survey question *******************/
/*****************************************************************************/
static void Svy_WriteQstStem (const char *Stem,const char *TextStyle)
{
unsigned long LengthHeading;
char *HeadingRigorousHTML;
/* Convert the stem, that is in HTML, to rigorous HTML */
LengthHeading = strlen (Stem) * Str_MAX_LENGTH_SPEC_CHAR_HTML;
if ((HeadingRigorousHTML = malloc (LengthHeading+1)) == NULL)
Lay_ShowErrorAndExit ("Not enough memory to store stem of question.");
strcpy (HeadingRigorousHTML,Stem);
Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
HeadingRigorousHTML,LengthHeading,false);
/* Write the stem */
fprintf (Gbl.F.Out,"
"
"
"
"%s"
"
",
TextStyle,Gbl.ColorRows[Gbl.RowEvenOdd],HeadingRigorousHTML);
/* Free memory allocated for the stem */
free ((void *) HeadingRigorousHTML);
}
/*****************************************************************************/
/************** Get and write the answers of a survey question ***************/
/*****************************************************************************/
static void Svy_WriteAnswersOfAQst (struct Survey *Svy,struct SurveyQuestion *SvyQst)
{
unsigned NumAns,NumAnswers;
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumUsrsThisAnswer;
char *Answer;
size_t AnsLength;
NumAnswers = Svy_GetAnswersQst (SvyQst->QstCod,&mysql_res); // Result: AnsInd,NumUsrs,Answer
/***** Write the answers *****/
fprintf (Gbl.F.Out,"
");
for (NumAns = 0;
NumAns < NumAnswers;
NumAns++)
{
row = mysql_fetch_row (mysql_res);
/* Get number of users who have marked this answer (row[1]) */
if (sscanf (row[1],"%u",&NumUsrsThisAnswer) != 1)
Lay_ShowErrorAndExit ("Error when getting number of users who have marked an answer.");
/* Convert the answer (row[2]), that is in HTML, to rigorous HTML */
AnsLength = strlen (row[2]) * Str_MAX_LENGTH_SPEC_CHAR_HTML;
if ((Answer = malloc (AnsLength+1)) == NULL)
Lay_ShowErrorAndExit ("Not enough memory to store answer.");
strcpy (Answer,row[2]);
Str_ChangeFormat (Str_FROM_HTML,Str_TO_RIGOROUS_HTML,
Answer,AnsLength,false);
/* Selectors and label with the letter of the answer */
fprintf (Gbl.F.Out,"
");
if (Svy->Status.ICanAnswer)
{
/* Write selector to choice this answer */
fprintf (Gbl.F.Out,"
",
(unsigned) SvyQst->QstCod,NumAns);
}
/* Write the number of option */
fprintf (Gbl.F.Out,"
"
"%u)"
"
",
NumAns + 1);
/* Write the text of the answer */
fprintf (Gbl.F.Out,"
"
"%s"
"
",
Answer);
/* Show stats of this answer */
if (Svy->Status.ICanViewResults)
Svy_DrawBarNumUsrs (NumUsrsThisAnswer,Svy->NumUsrs);
fprintf (Gbl.F.Out,"
");
/* Free memory allocated for the answer */
free ((void *) Answer);
}
fprintf (Gbl.F.Out,"
");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/***************** Draw a bar with the percentage of answers *****************/
/*****************************************************************************/
#define Svy_MAX_BAR_WIDTH 100
static void Svy_DrawBarNumUsrs (unsigned NumUsrs,unsigned MaxUsrs)
{
extern const char *Txt_of_PART_OF_A_TOTAL;
unsigned BarWidth = 0;
/***** Draw bar with a with proportional to the number of clicks *****/
fprintf (Gbl.F.Out,"
"
"",
Txt_of_PART_OF_A_TOTAL,MaxUsrs);
}
/*****************************************************************************/
/****************************** Remove a question ****************************/
/*****************************************************************************/
void Svy_RemoveQst (void)
{
extern const char *Txt_Question_removed;
char Query[512];
long SvyCod;
struct SurveyQuestion SvyQst;
/***** Get parameters from form *****/
/* Get survey code */
if ((SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/* Get question code */
if ((SvyQst.QstCod = Svy_GetParamQstCod ()) < 0)
Lay_ShowErrorAndExit ("Wrong code of question.");
/* Get question index */
SvyQst.QstInd = Svy_GetQstIndFromQstCod (SvyQst.QstCod);
/***** Remove the question from all the tables *****/
/* Remove answers from this test question */
Svy_RemAnswersOfAQuestion (SvyQst.QstCod);
/* Remove the question itself */
sprintf (Query,"DELETE FROM svy_questions"
" WHERE QstCod='%ld'",
SvyQst.QstCod);
DB_QueryDELETE (Query,"can not remove a question");
if (!mysql_affected_rows (&Gbl.mysql))
Lay_ShowErrorAndExit ("The question to be removed does not exist.");
/* Change index of questions greater than this */
sprintf (Query,"UPDATE svy_questions SET QstInd=QstInd-1"
" WHERE SvyCod='%ld' AND QstInd>'%u'",
SvyCod,SvyQst.QstInd);
DB_QueryUPDATE (Query,"can not update indexes of questions");
/***** Write message *****/
sprintf (Gbl.Message,"%s",Txt_Question_removed);
Lay_ShowAlert (Lay_SUCCESS,Gbl.Message);
/***** Show current survey *****/
Lay_StartRoundFrameTable10 (NULL,2,NULL);
Svy_ShowOneSurvey (SvyCod,&SvyQst,true);
Lay_EndRoundFrameTable10 ();
}
/*****************************************************************************/
/************************ Receive answers of a survey ************************/
/*****************************************************************************/
void Svy_ReceiveSurveyAnswers (void)
{
extern const char *Txt_You_already_answered_this_survey_before;
extern const char *Txt_Thanks_for_answering_the_survey;
struct Survey Svy;
struct SurveyQuestion SvyQst;
/***** Get survey code *****/
if ((Svy.SvyCod = Svy_GetParamSvyCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of survey is missing.");
/***** Get data of the survey from database *****/
Svy_GetDataOfSurveyByCod (&Svy);
/***** Check if I have no answered this survey formerly *****/
if (Svy.Status.IHaveAnswered)
Lay_ShowAlert (Lay_WARNING,Txt_You_already_answered_this_survey_before);
else
{
/***** Receive and store user's answers *****/
Svy_ReceiveAndStoreUserAnswersToASurvey (Svy.SvyCod);
Lay_ShowAlert (Lay_INFO,Txt_Thanks_for_answering_the_survey);
}
/***** Show current survey *****/
Lay_StartRoundFrameTable10 (NULL,2,NULL);
Svy_ShowOneSurvey (Svy.SvyCod,&SvyQst,true);
Lay_EndRoundFrameTable10 ();
}
/*****************************************************************************/
/**************** Get and store user's answers to a survey *******************/
/*****************************************************************************/
static void Svy_ReceiveAndStoreUserAnswersToASurvey (long SvyCod)
{
char Query[512];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumQst;
unsigned NumQsts;
long QstCod;
char ParamName[3+10+6+1];
char StrAnswersIndexes[Svy_MAX_ANSWERS_PER_QUESTION*(10+1)];
const char *Ptr;
char UnsignedStr[10+1];
unsigned AnsInd;
/***** Get questions of this survey from database *****/
sprintf (Query,"SELECT QstCod FROM svy_questions"
" WHERE SvyCod='%ld' ORDER BY QstCod",
SvyCod);
DB_QuerySELECT (Query,&mysql_res,"can not get questions of a survey");
if ((NumQsts = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get surveys"))) // The survey has questions
{
/***** Get questions *****/
for (NumQst = 0;
NumQst < NumQsts;
NumQst++)
{
/* Get next answer */
row = mysql_fetch_row (mysql_res);
/* Get question code (row[0]) */
if ((QstCod = Str_ConvertStrCodToLongCod (row[0])) <= 0)
Lay_ShowErrorAndExit ("Error: wrong question code.");
/* Get possible parameter with the user's answer */
sprintf (ParamName,"Ans%010u",(unsigned) QstCod);
// Lay_ShowAlert (Lay_INFO,ParamName);
Par_GetParMultiToText (ParamName,StrAnswersIndexes,Svy_MAX_ANSWERS_PER_QUESTION*(10+1));
Ptr = StrAnswersIndexes;
while (*Ptr)
{
Par_GetNextStrUntilSeparParamMult (&Ptr,UnsignedStr,10);
if (sscanf (UnsignedStr,"%u",&AnsInd) == 1)
// Parameter exists, so user has marked this answer, so store it in database
Svy_IncreaseAnswerInDB (QstCod,AnsInd);
}
}
}
else // The survey has no questions and answers
Lay_ShowErrorAndExit ("Error: this survey has no questions.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** Register that you have answered this survey *****/
Svy_RegisterIHaveAnsweredSvy (SvyCod);
}
/*****************************************************************************/
/************ Increase number of users who have marked one answer ************/
/*****************************************************************************/
static void Svy_IncreaseAnswerInDB (long QstCod,unsigned AnsInd)
{
char Query[512];
/***** Increase number of users who have selected the answer AnsInd in the question QstCod *****/
sprintf (Query,"UPDATE svy_answers SET NumUsrs=NumUsrs+1"
" WHERE QstCod='%ld' AND AnsInd='%u'",
QstCod,AnsInd);
DB_QueryINSERT (Query,"can not register your answer to the survey");
}
/*****************************************************************************/
/***************** Register that I have answered this survey *****************/
/*****************************************************************************/
static void Svy_RegisterIHaveAnsweredSvy (long SvyCod)
{
char Query[512];
sprintf (Query,"INSERT INTO svy_users (SvyCod,UsrCod)"
" VALUES ('%ld','%ld')",
SvyCod,Gbl.Usrs.Me.UsrDat.UsrCod);
DB_QueryINSERT (Query,"can not register that you have answered the survey");
}
/*****************************************************************************/
/************** Register that you have answered this survey ******************/
/*****************************************************************************/
static bool Svy_CheckIfIHaveAnsweredSvy (long SvyCod)
{
char Query[512];
/***** Get number of surveys with a field value from database *****/
sprintf (Query,"SELECT COUNT(*) FROM svy_users"
" WHERE SvyCod='%ld' AND UsrCod='%ld'",
SvyCod,Gbl.Usrs.Me.UsrDat.UsrCod);
return (DB_QueryCOUNT (Query,"can not check if you have answered a survey") != 0);
}
/*****************************************************************************/
/*************** Register that you have answered this survey *****************/
/*****************************************************************************/
static unsigned Svy_GetNumUsrsWhoHaveAnsweredSvy (long SvyCod)
{
char Query[512];
/***** Get number of surveys with a field value from database *****/
sprintf (Query,"SELECT COUNT(*) FROM svy_users"
" WHERE SvyCod='%ld'",
SvyCod);
return (unsigned) DB_QueryCOUNT (Query,"can not get number of users who have answered a survey");
}
/*****************************************************************************/
/******************** Get number of courses with surveys *********************/
/*****************************************************************************/
// Returns the number of courses with surveys for courses
// in this location (all the platform, current degree or current course)
unsigned Svy_GetNumCoursesWithSurveys (Sco_Scope_t Scope)
{
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumCourses;
/***** Get number of courses with surveys from database *****/
switch (Scope)
{
case Sco_SCOPE_PLATFORM:
sprintf (Query,"SELECT COUNT(DISTINCT (CrsCod))"
" FROM surveys"
" WHERE CrsCod>'0'");
break;
case Sco_SCOPE_INSTITUTION:
sprintf (Query,"SELECT COUNT(DISTINCT (surveys.CrsCod))"
" FROM centres,degrees,courses,surveys"
" WHERE centres.InsCod='%ld'"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=surveys.CrsCod",
Gbl.CurrentIns.Ins.InsCod);
break;
case Sco_SCOPE_CENTRE:
sprintf (Query,"SELECT COUNT(DISTINCT (surveys.CrsCod))"
" FROM degrees,courses,surveys"
" WHERE degrees.CtrCod='%ld'"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=surveys.CrsCod",
Gbl.CurrentCtr.Ctr.CtrCod);
break;
case Sco_SCOPE_DEGREE:
sprintf (Query,"SELECT COUNT(DISTINCT (surveys.CrsCod))"
" FROM courses,surveys"
" WHERE courses.DegCod='%ld'"
" AND courses.CrsCod=surveys.CrsCod",
Gbl.CurrentDeg.Deg.DegCod);
break;
case Sco_SCOPE_COURSE:
sprintf (Query,"SELECT COUNT(DISTINCT (CrsCod))"
" FROM surveys"
" WHERE CrsCod='%ld'",
Gbl.CurrentCrs.Crs.CrsCod);
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
DB_QuerySELECT (Query,&mysql_res,"can not get number of courses with surveys");
/***** Get number of surveys *****/
row = mysql_fetch_row (mysql_res);
if (sscanf (row[0],"%u",&NumCourses) != 1)
Lay_ShowErrorAndExit ("Error when getting number of courses with surveys.");
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumCourses;
}
/*****************************************************************************/
/*************************** Get number of surveys ***************************/
/*****************************************************************************/
// Returns the number of surveys for courses
// in this location (all the platform, current degree or current course)
unsigned Svy_GetNumSurveys (Sco_Scope_t Scope,unsigned *NumNotif)
{
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumSurveys;
/***** Get number of surveys from database *****/
switch (Scope)
{
case Sco_SCOPE_PLATFORM:
sprintf (Query,"SELECT COUNT(*),SUM(NumNotif)"
" FROM surveys"
" WHERE CrsCod>'0'");
break;
case Sco_SCOPE_INSTITUTION:
sprintf (Query,"SELECT COUNT(*),SUM(surveys.NumNotif)"
" FROM centres,degrees,courses,surveys"
" WHERE centres.InsCod='%ld'"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=surveys.CrsCod",
Gbl.CurrentIns.Ins.InsCod);
break;
case Sco_SCOPE_CENTRE:
sprintf (Query,"SELECT COUNT(*),SUM(surveys.NumNotif)"
" FROM degrees,courses,surveys"
" WHERE degrees.CtrCod='%ld'"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=surveys.CrsCod",
Gbl.CurrentCtr.Ctr.CtrCod);
break;
case Sco_SCOPE_DEGREE:
sprintf (Query,"SELECT COUNT(*),SUM(surveys.NumNotif)"
" FROM courses,surveys"
" WHERE courses.DegCod='%ld'"
" AND courses.CrsCod=surveys.CrsCod",
Gbl.CurrentDeg.Deg.DegCod);
break;
case Sco_SCOPE_COURSE:
sprintf (Query,"SELECT COUNT(*),SUM(NumNotif)"
" FROM surveys"
" WHERE CrsCod='%ld'",
Gbl.CurrentCrs.Crs.CrsCod);
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
DB_QuerySELECT (Query,&mysql_res,"can not get number of surveys");
/***** Get number of surveys *****/
row = mysql_fetch_row (mysql_res);
if (sscanf (row[0],"%u",&NumSurveys) != 1)
Lay_ShowErrorAndExit ("Error when getting number of surveys.");
/***** Get number of notifications by e-mail *****/
if (row[1])
{
if (sscanf (row[1],"%u",NumNotif) != 1)
Lay_ShowErrorAndExit ("Error when getting number of notifications of surveys.");
}
else
*NumNotif = 0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumSurveys;
}
/*****************************************************************************/
/*************** Get average number of questions per survey ******************/
/*****************************************************************************/
float Svy_GetNumQstsPerSurvey (Sco_Scope_t Scope)
{
char Query[1024];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
float NumQstsPerSurvey;
/***** Get number of courses per user from database *****/
switch (Scope)
{
case Sco_SCOPE_PLATFORM:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(svy_questions.QstCod) AS NumQsts"
" FROM surveys,svy_questions"
" WHERE surveys.CrsCod>'0'"
" AND surveys.SvyCod=svy_questions.SvyCod"
" GROUP BY svy_questions.SvyCod) AS NumQstsTable");
break;
case Sco_SCOPE_INSTITUTION:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(svy_questions.QstCod) AS NumQsts"
" FROM centres,degrees,courses,surveys,svy_questions"
" WHERE centres.InsCod='%ld'"
" AND centres.CtrCod=degrees.CtrCod"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=surveys.CrsCod"
" AND surveys.SvyCod=svy_questions.SvyCod"
" GROUP BY svy_questions.SvyCod) AS NumQstsTable",
Gbl.CurrentIns.Ins.InsCod);
break;
case Sco_SCOPE_CENTRE:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(svy_questions.QstCod) AS NumQsts"
" FROM degrees,courses,surveys,svy_questions"
" WHERE degrees.CtrCod='%ld'"
" AND degrees.DegCod=courses.DegCod"
" AND courses.CrsCod=surveys.CrsCod"
" AND surveys.SvyCod=svy_questions.SvyCod"
" GROUP BY svy_questions.SvyCod) AS NumQstsTable",
Gbl.CurrentCtr.Ctr.CtrCod);
break;
case Sco_SCOPE_DEGREE:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(svy_questions.QstCod) AS NumQsts"
" FROM courses,surveys,svy_questions"
" WHERE courses.DegCod='%ld'"
" AND courses.CrsCod=surveys.CrsCod"
" AND surveys.SvyCod=svy_questions.SvyCod"
" GROUP BY svy_questions.SvyCod) AS NumQstsTable",
Gbl.CurrentDeg.Deg.DegCod);
break;
case Sco_SCOPE_COURSE:
sprintf (Query,"SELECT AVG(NumQsts) FROM"
" (SELECT COUNT(svy_questions.QstCod) AS NumQsts"
" FROM surveys,svy_questions"
" WHERE surveys.CrsCod='%ld'"
" AND surveys.SvyCod=svy_questions.SvyCod"
" GROUP BY svy_questions.SvyCod) AS NumQstsTable",
Gbl.CurrentCrs.Crs.CrsCod);
break;
default:
Lay_ShowErrorAndExit ("Wrong scope.");
break;
}
DB_QuerySELECT (Query,&mysql_res,"can not get number of questions per survey");
/***** Get number of courses *****/
row = mysql_fetch_row (mysql_res);
NumQstsPerSurvey = Str_GetFloatNumFromStr (row[0]);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return NumQstsPerSurvey;
}
![\"\""](\"%s/c1x16.gif\")
"
" ",
Gbl.Prefs.IconsURL,BarWidth);
/***** Write the number of users *****/
if (MaxUsrs)
fprintf (Gbl.F.Out,"%u (%u",
NumUsrs,(unsigned) ((((float) NumUsrs * 100.0) / (float) MaxUsrs) + 0.5));
else
fprintf (Gbl.F.Out,"0 (0");
fprintf (Gbl.F.Out,"%% %s %u)