Marown/swad-core
Marown
/
swad-core
mirror of https://github.com/acanas/swad-core.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
swad-core/swad_user_database.c

388 lines
14 KiB
C
Raw Blame History

// swad_user_database.c: users, operations with database
/*
SWAD (Shared Workspace At a Distance),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2021 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General 3 License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/*********************************** Headers *********************************/
/*****************************************************************************/
// #define _GNU_SOURCE // For asprintf
// #include <ctype.h> // For isalnum, isdigit, etc.
// #include <limits.h> // For maximum values
// #include <linux/limits.h> // For PATH_MAX
// #include <stddef.h> // For NULL
// #include <stdio.h> // For asprintf
// #include <stdlib.h> // For exit, system, malloc, free, rand, etc.
// #include <string.h> // For string functions
// #include <sys/wait.h> // For the macro WEXITSTATUS
// #include <unistd.h> // For access, lstat, getpid, chdir, symlink, unlink
// #include "swad_account.h"
// #include "swad_agenda.h"
// #include "swad_announcement.h"
// #include "swad_box.h"
// #include "swad_calendar.h"
// #include "swad_config.h"
// #include "swad_connected_database.h"
// #include "swad_course.h"
#include "swad_database.h"
// #include "swad_department.h"
// #include "swad_duplicate.h"
// #include "swad_enrolment.h"
#include "swad_error.h"
// #include "swad_figure.h"
// #include "swad_figure_cache.h"
// #include "swad_follow.h"
// #include "swad_form.h"
#include "swad_global.h"
// #include "swad_group.h"
// #include "swad_help.h"
// #include "swad_hierarchy.h"
// #include "swad_hierarchy_level.h"
// #include "swad_HTML.h"
// #include "swad_ID.h"
// #include "swad_language.h"
// #include "swad_mail_database.h"
// #include "swad_message.h"
// #include "swad_MFU.h"
// #include "swad_nickname.h"
// #include "swad_nickname_database.h"
// #include "swad_notification.h"
// #include "swad_parameter.h"
// #include "swad_password.h"
// #include "swad_photo.h"
// #include "swad_privacy.h"
// #include "swad_QR.h"
// #include "swad_record.h"
// #include "swad_record_database.h"
// #include "swad_role.h"
// #include "swad_session_database.h"
// #include "swad_setting.h"
// #include "swad_tab.h"
// #include "swad_user.h"
#include "swad_user_database.h"
/*****************************************************************************/
/****************************** Public constants *****************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private constants *****************************/
/*****************************************************************************/
/*****************************************************************************/
/****************************** Private types ********************************/
/*****************************************************************************/
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/****************************** Private variables ****************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
/*****************************************************************************/
/******************************* Update my office ****************************/
/*****************************************************************************/
void Usr_DB_UpdateMyOffice (void)
{
DB_QueryUPDATE ("can not update office",
"UPDATE usr_data"
" SET Office='%s'"
" WHERE UsrCod=%ld",
Gbl.Usrs.Me.UsrDat.Tch.Office,
Gbl.Usrs.Me.UsrDat.UsrCod);
}
/*****************************************************************************/
/***************************** Update my office phone ************************/
/*****************************************************************************/
void Usr_DB_UpdateMyOfficePhone (void)
{
DB_QueryUPDATE ("can not update office phone",
"UPDATE usr_data"
" SET OfficePhone='%s'"
" WHERE UsrCod=%ld",
Gbl.Usrs.Me.UsrDat.Tch.OfficePhone,
Gbl.Usrs.Me.UsrDat.UsrCod);
}
/*****************************************************************************/
/********************** Update my last type of search ************************/
/*****************************************************************************/
void Usr_DB_UpdateMyLastWhatToSearch (void)
{
// WhatToSearch is stored in usr_last for next time I log in
// In other existing sessions distinct to this, WhatToSearch will remain unchanged
DB_QueryUPDATE ("can not update type of search in user's last data",
"UPDATE usr_last"
" SET WhatToSearch=%u"
" WHERE UsrCod=%ld",
(unsigned) Gbl.Search.WhatToSearch,
Gbl.Usrs.Me.UsrDat.UsrCod);
}
/*****************************************************************************/
/************** Check if a user exists with a given user's code **************/
/*****************************************************************************/
bool Usr_DB_ChkIfUsrCodExists (long UsrCod)
{
/***** Trivial check: user's code should be > 0 *****/
if (UsrCod <= 0) // Wrong user's code
return false;
/***** Check if a user exists in database *****/
return
DB_QueryEXISTS ("can not check if a user exists",
"SELECT EXISTS"
"(SELECT *"
" FROM usr_data"
" WHERE UsrCod=%ld)",
UsrCod);
}
/*****************************************************************************/
/******** Get user's code from database using encrypted user's code **********/
/*****************************************************************************/
// Input: UsrDat->EncryptedUsrCod must hold user's encrypted code
long Usr_DB_GetUsrCodFromEncryptedUsrCod (const char EncryptedUsrCod[Cry_BYTES_ENCRYPTED_STR_SHA256_BASE64 + 1])
{
return
DB_QuerySELECTCode ("can not get user's code",
"SELECT UsrCod"
" FROM usr_data"
" WHERE EncryptedUsrCod='%s'",
EncryptedUsrCod);
}
/*****************************************************************************/
/****** Check if a string is found in first name or surnames of anybody ******/
/*****************************************************************************/
bool Usr_DB_FindStrInUsrsNames (const char *Str)
{
return
DB_QueryEXISTS ("can not check if a string matches a first name or a surname",
"SELECT EXISTS"
"(SELECT *"
" FROM usr_data"
" WHERE FirstName='%s'"
" OR Surname1='%s'"
" OR Surname2='%s')",
Str,
Str,
Str);
}
/*****************************************************************************/
/************** Get number of users who have chosen an option ****************/
/*****************************************************************************/
unsigned Usr_DB_GetNumUsrsWhoChoseAnOption (const char *SubQuery)
{
switch (Gbl.Scope.Current)
{
case HieLvl_SYS:
return (unsigned)
DB_QueryCOUNT ("can not get the number of users who have chosen an option",
"SELECT COUNT(*)"
" FROM usr_data"
" WHERE %s",
SubQuery);
case HieLvl_CTY:
return (unsigned)
DB_QueryCOUNT ("can not get the number of users who have chosen an option",
"SELECT COUNT(DISTINCT usr_data.UsrCod)"
" FROM ins_instits,"
"ctr_centers,"
"deg_degrees,"
"crs_courses,"
"crs_users,"
"usr_data"
" WHERE ins_instits.CtyCod=%ld"
" AND ins_instits.InsCod=ctr_centers.InsCod"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=crs_users.CrsCod"
" AND crs_users.UsrCod=usr_data.UsrCod"
" AND %s",
Gbl.Hierarchy.Cty.CtyCod,SubQuery);
case HieLvl_INS:
return (unsigned)
DB_QueryCOUNT ("can not get the number of users who have chosen an option",
"SELECT COUNT(DISTINCT usr_data.UsrCod)"
" FROM ctr_centers,"
"deg_degrees,"
"crs_courses,"
"crs_users,"
"usr_data"
" WHERE ctr_centers.InsCod=%ld"
" AND ctr_centers.CtrCod=deg_degrees.CtrCod"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=crs_users.CrsCod"
" AND crs_users.UsrCod=usr_data.UsrCod"
" AND %s",
Gbl.Hierarchy.Ins.InsCod,SubQuery);
case HieLvl_CTR:
return (unsigned)
DB_QueryCOUNT ("can not get the number of users who have chosen an option",
"SELECT COUNT(DISTINCT usr_data.UsrCod)"
" FROM deg_degrees,"
"crs_courses,"
"crs_users,"
"usr_data"
" WHERE deg_degrees.CtrCod=%ld"
" AND deg_degrees.DegCod=crs_courses.DegCod"
" AND crs_courses.CrsCod=crs_users.CrsCod"
" AND crs_users.UsrCod=usr_data.UsrCod"
" AND %s",
Gbl.Hierarchy.Ctr.CtrCod,SubQuery);
case HieLvl_DEG:
return (unsigned)
DB_QueryCOUNT ("can not get the number of users who have chosen an option",
"SELECT COUNT(DISTINCT usr_data.UsrCod)"
" FROM crs_courses,"
"crs_users,"
"usr_data"
" WHERE crs_courses.DegCod=%ld"
" AND crs_courses.CrsCod=crs_users.CrsCod"
" AND crs_users.UsrCod=usr_data.UsrCod"
" AND %s",
Gbl.Hierarchy.Deg.DegCod,SubQuery);
case HieLvl_CRS:
return (unsigned)
DB_QueryCOUNT ("can not get the number of users who have chosen an option",
"SELECT COUNT(DISTINCT usr_data.UsrCod)"
" FROM crs_users,"
"usr_data"
" WHERE crs_users.CrsCod=%ld"
" AND crs_users.UsrCod=usr_data.UsrCod"
" AND %s",
Gbl.Hierarchy.Crs.CrsCod,SubQuery);
default:
Err_WrongScopeExit ();
return 0; // Not reached
}
}
/*****************************************************************************/
/************************* Get old users from database ***********************/
/*****************************************************************************/
unsigned Usr_DB_GetOldUsrs (MYSQL_RES **mysql_res,time_t SecondsWithoutAccess)
{
return (unsigned)
DB_QuerySELECT (mysql_res,"can not get old users",
"SELECT UsrCod"
" FROM (SELECT UsrCod"
" FROM usr_last"
" WHERE LastTime<FROM_UNIXTIME(UNIX_TIMESTAMP()-%llu)"
" UNION "
"SELECT UsrCod"
" FROM usr_data"
" WHERE UsrCod NOT IN"
" (SELECT UsrCod"
" FROM usr_last)"
") AS candidate_usrs"
" WHERE UsrCod NOT IN"
" (SELECT DISTINCT UsrCod"
" FROM crs_users)",
(unsigned long long) SecondsWithoutAccess);
}
/*****************************************************************************/
/*************************** Remove user's last data *************************/
/*****************************************************************************/
void Usr_DB_RemoveUsrLastData (long UsrCod)
{
DB_QueryDELETE ("can not remove user's last data",
"DELETE FROM usr_last"
" WHERE UsrCod=%ld",
UsrCod);
}
/*****************************************************************************/
/****************************** Remove user's data ***************************/
/*****************************************************************************/
void Usr_DB_RemoveUsrData (long UsrCod)
{
/***** Remove user's data *****/
DB_QueryDELETE ("can not remove user's data",
"DELETE FROM usr_data"
" WHERE UsrCod=%ld",
UsrCod);
}
/*****************************************************************************/
/*** Insert my user's code in the table of birthdays already congratulated ***/
/*****************************************************************************/
void Usr_DB_MarkMyBirthdayAsCongratulated (void)
{
DB_QueryINSERT ("can not insert birthday",
"INSERT INTO usr_birthdays_today"
" (UsrCod,Today)"
" VALUES"
" (%ld,CURDATE())",
Gbl.Usrs.Me.UsrDat.UsrCod);
}
/*****************************************************************************/
/*************** Check if my birthday is already congratulated ***************/
/*****************************************************************************/
bool Usr_DB_CheckIfMyBirthdayHasNotBeenCongratulated (void)
{
return
DB_QueryEXISTS ("can not check if my birthday has been congratulated",
"SELECT EXISTS"
"(SELECT *"
" FROM usr_birthdays_today"
" WHERE UsrCod=%ld)",
Gbl.Usrs.Me.UsrDat.UsrCod);
}
/*****************************************************************************/
/****************************** Delete old birthdays *************************/
/*****************************************************************************/
void Usr_DB_DeleteOldBirthdays (void)
{
DB_QueryDELETE ("can not delete old birthdays",
"DELETE FROM usr_birthdays_today"
" WHERE Today<>CURDATE()");
}
Reference in New Issue View Git Blame Copy Permalink