mirror of https://github.com/acanas/swad-core.git
121 lines
5.0 KiB
C
121 lines
5.0 KiB
C
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// swad_survey_database.c: surveys, operations with database
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/*
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SWAD (Shared Workspace At a Distance),
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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) 1999-2021 Antonio Ca<EFBFBD>as 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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// #define _GNU_SOURCE // For asprintf
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// #include <linux/limits.h> // For PATH_MAX
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// #include <stddef.h> // For NULL
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// #include <stdio.h> // For asprintf
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// #include <stdlib.h> // For calloc
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// #include <string.h> // For string functions
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// #include "swad_attendance.h"
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// #include "swad_box.h"
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#include "swad_database.h"
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// #include "swad_error.h"
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// #include "swad_figure.h"
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// #include "swad_form.h"
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#include "swad_global.h"
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// #include "swad_group.h"
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// #include "swad_group_database.h"
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// #include "swad_HTML.h"
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// #include "swad_notification.h"
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// #include "swad_notification_database.h"
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// #include "swad_pagination.h"
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// #include "swad_parameter.h"
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// #include "swad_role.h"
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// #include "swad_setting.h"
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// #include "swad_survey.h"
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#include "swad_survey_database.h"
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/*****************************************************************************/
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/************** External global variables from others modules ****************/
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/*****************************************************************************/
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extern struct Globals Gbl;
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/******************************* Private types *******************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private variables *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/************ Get all user codes belonging to a survey, except me ************/
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/*****************************************************************************/
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unsigned Svy_DB_GetUsrsFromSurveyExceptMe (MYSQL_RES **mysql_res,long SvyCod)
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{
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// 1. If the survey is available for the whole course ==> get users enroled in the course whose role is available in survey, except me
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// 2. If the survey is available only for some groups ==> get users who belong to any of the groups and whose role is available in survey, except me
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// Cases 1 and 2 are mutually exclusive, so the union returns the case 1 or 2
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return (unsigned)
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DB_QuerySELECT (mysql_res,"can not get users to be notified",
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"(SELECT crs_users.UsrCod"
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" FROM svy_surveys,"
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"crs_users"
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" WHERE svy_surveys.SvyCod=%ld"
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" AND svy_surveys.SvyCod NOT IN"
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" (SELECT SvyCod"
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" FROM svy_groups"
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" WHERE SvyCod=%ld)"
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" AND svy_surveys.Scope='%s'"
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" AND svy_surveys.Cod=crs_users.CrsCod"
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" AND crs_users.UsrCod<>%ld"
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" AND (svy_surveys.Roles&(1<<crs_users.Role))<>0)"
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" UNION "
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"(SELECT DISTINCT grp_users.UsrCod"
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" FROM svy_groups,"
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"grp_users,"
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"svy_surveys,"
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"crs_users"
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" WHERE svy_groups.SvyCod=%ld"
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" AND svy_groups.GrpCod=grp_users.GrpCod"
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" AND grp_users.UsrCod=crs_users.UsrCod"
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" AND grp_users.UsrCod<>%ld"
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" AND svy_groups.SvyCod=svy_surveys.SvyCod"
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" AND svy_surveys.Scope='%s'"
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" AND svy_surveys.Cod=crs_users.CrsCod"
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" AND (svy_surveys.Roles&(1<<crs_users.Role))<>0)",
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SvyCod,
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SvyCod,
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Sco_GetDBStrFromScope (HieLvl_CRS),
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Gbl.Usrs.Me.UsrDat.UsrCod,
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SvyCod,
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Gbl.Usrs.Me.UsrDat.UsrCod,
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Sco_GetDBStrFromScope (HieLvl_CRS));
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}
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