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459 lines
17 KiB
C
459 lines
17 KiB
C
// swad_duplicate.c: duplicate users
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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) 1999-2016 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General 3 License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/*********************************** Headers *********************************/
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/*****************************************************************************/
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#include "swad_account.h"
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#include "swad_database.h"
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#include "swad_duplicate.h"
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#include "swad_enrollment.h"
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#include "swad_global.h"
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#include "swad_layout.h"
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#include "swad_profile.h"
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#include "swad_role.h"
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#include "swad_user.h"
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/*****************************************************************************/
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/****************************** Public constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/****************************** Internal types *******************************/
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/*****************************************************************************/
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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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/************************* Internal global variables *************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static void Dup_ListSimilarUsrs (void);
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static bool Dup_CheckIfUsrIsDup (long UsrCod);
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static void Dup_PutButtonToViewSimilarUsrs (const struct UsrData *UsrDat);
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static void Dup_PutButtonToEliminateUsrAccount (const struct UsrData *UsrDat);
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static void Dup_PutButtonToRemoveFromListOfDupUsrs (const struct UsrData *UsrDat);
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/*****************************************************************************/
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/******************** Report a user as possible duplicate ********************/
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/*****************************************************************************/
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void Dup_ReportUsrAsPossibleDuplicate (void)
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{
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extern const char *Txt_Thank_you_for_reporting_a_possible_duplicate_user;
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extern const char *Txt_User_not_found_or_you_do_not_have_permission_;
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char Query[256];
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bool ItsMe;
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/***** Get user to be reported as possible duplicate *****/
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if (Usr_GetParamOtherUsrCodEncryptedAndGetUsrData ())
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{
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/* Check if it's allowed to me to report users as possible duplicatedr */
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ItsMe = (Gbl.Usrs.Me.UsrDat.UsrCod == Gbl.Usrs.Other.UsrDat.UsrCod);
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if (!ItsMe && Gbl.Usrs.Me.LoggedRole >= Rol_TEACHER)
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{
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/***** Insert possible duplicate into database *****/
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sprintf (Query,"REPLACE INTO usr_duplicated (UsrCod,InformerCod,InformTime)"
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" VALUES ('%ld','%ld',NOW())",
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Gbl.Usrs.Other.UsrDat.UsrCod,
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Gbl.Usrs.Me.UsrDat.UsrCod);
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DB_QueryINSERT (Query,"can not report duplicate");
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/***** Show feedback message *****/
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Lay_ShowAlert (Lay_SUCCESS,Txt_Thank_you_for_reporting_a_possible_duplicate_user);
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}
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else
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Lay_ShowAlert (Lay_WARNING,Txt_User_not_found_or_you_do_not_have_permission_);
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}
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else
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Lay_ShowAlert (Lay_WARNING,Txt_User_not_found_or_you_do_not_have_permission_);
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}
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/*****************************************************************************/
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/************ Put a link (form) to list possible duplicate users *************/
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/*****************************************************************************/
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void Dup_PutLinkToListDupUsrs (void)
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{
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extern const char *Txt_Duplicate_USERS;
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/***** Put form to remove old users *****/
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Lay_PutContextualLink (ActLstDupUsr,NULL,"usrs64x64.gif",
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Txt_Duplicate_USERS,Txt_Duplicate_USERS);
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}
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/*****************************************************************************/
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/*********************** List possible duplicate users ***********************/
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/*****************************************************************************/
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void Dup_ListDuplicateUsrs (void)
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{
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extern const char *Txt_Possibly_duplicate_users;
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extern const char *Txt_Informants;
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extern const char *Txt_No_users_found[Rol_NUM_ROLES];
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char Query[1024];
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned NumUsrs;
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unsigned NumUsr;
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struct UsrData UsrDat;
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unsigned NumInformants;
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/***** Start frame with list of possible duplicate users *****/
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Lay_StartRoundFrame (NULL,Txt_Possibly_duplicate_users,NULL);
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/***** Build query *****/
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sprintf (Query,"SELECT UsrCod,COUNT(*) AS N,MIN(UNIX_TIMESTAMP(InformTime)) AS T"
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" FROM usr_duplicated"
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" GROUP BY UsrCod"
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" ORDER BY N DESC,T DESC");
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NumUsrs = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get possibly duplicate users");
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/***** List possible duplicated users *****/
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if (NumUsrs)
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{
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/***** Initialize field names *****/
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Usr_SetUsrDatMainFieldNames ();
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/***** Initialize structure with user's data *****/
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Usr_UsrDataConstructor (&UsrDat);
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/***** Start table *****/
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fprintf (Gbl.F.Out,"<table class=\"CELLS_PAD_2\">");
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/***** Heading row with column names *****/
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Gbl.Usrs.Listing.WithPhotos = true;
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Usr_WriteHeaderFieldsUsrDat (false); // Columns for the data
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/***** List users *****/
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for (NumUsr = 0, Gbl.RowEvenOdd = 0;
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NumUsr < NumUsrs;
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NumUsr++)
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{
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row = mysql_fetch_row (mysql_res);
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/* Get user code (row[0]) */
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UsrDat.UsrCod = Str_ConvertStrCodToLongCod (row[0]);
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if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat))
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{
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/* Get if user has accepted all his/her courses */
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if (Usr_GetNumCrssOfUsr (UsrDat.UsrCod) != 0)
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UsrDat.Accepted = (Usr_GetNumCrssOfUsrNotAccepted (UsrDat.UsrCod) == 0);
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else
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UsrDat.Accepted = false;
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/* Write data of this user */
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Usr_WriteRowUsrMainData (NumUsrs - NumUsr,&UsrDat,false);
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fprintf (Gbl.F.Out,"<tr>"
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"<td colspan=\"2\" class=\"COLOR%u\"></td>"
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"<td colspan=\"%u\""
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" class=\"DAT LEFT_MIDDLE COLOR%u\">",
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Gbl.RowEvenOdd,
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Usr_NUM_MAIN_FIELDS_DATA_USR-2,
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Gbl.RowEvenOdd);
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/* Write number of informants (row[1]) if greater than 1 */
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if (sscanf (row[1],"%u",&NumInformants) != 1)
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Lay_ShowErrorAndExit ("Wrong number of informants.");
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if (NumInformants > 1)
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fprintf (Gbl.F.Out,"%s: %u<br />",
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Txt_Informants,
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NumInformants);
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/* Button to view users similar to this */
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Dup_PutButtonToViewSimilarUsrs (&UsrDat);
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/* Button to remove from list of possible duplicate users */
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Dup_PutButtonToRemoveFromListOfDupUsrs (&UsrDat);
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fprintf (Gbl.F.Out,"</td>"
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"</tr>");
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Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
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}
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else // User does not exists ==>
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// remove user from table of possible duplicate users
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Dup_RemoveUsrFromDuplicated (UsrDat.UsrCod);
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}
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/***** End table *****/
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fprintf (Gbl.F.Out,"</table>");
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/***** Free memory used for user's data *****/
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Usr_UsrDataDestructor (&UsrDat);
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}
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else // There are no users
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Lay_ShowAlert (Lay_INFO,Txt_No_users_found[Rol_UNKNOWN]);
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/***** End frame *****/
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Lay_EndRoundFrame ();
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}
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/*****************************************************************************/
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/********************* List similar users to a given one *********************/
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/*****************************************************************************/
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void Dup_GetUsrCodAndListSimilarUsrs (void)
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{
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extern const char *Txt_User_not_found_or_you_do_not_have_permission_;
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/***** Get user to be removed from list of possible duplicates *****/
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if (Usr_GetParamOtherUsrCodEncryptedAndGetUsrData ())
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Dup_ListSimilarUsrs ();
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else
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Lay_ShowAlert (Lay_WARNING,Txt_User_not_found_or_you_do_not_have_permission_);
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}
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static void Dup_ListSimilarUsrs (void)
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{
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extern const char *Txt_Possibly_duplicate_users;
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extern const char *Txt_No_users_found[Rol_NUM_ROLES];
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struct UsrData UsrDat;
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char Query[512];
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned NumUsrs;
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unsigned NumUsr;
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/***** Start frame with list of possible duplicate users *****/
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Lay_StartRoundFrame (NULL,Txt_Possibly_duplicate_users,NULL);
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/***** Build query *****/
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if (Gbl.Usrs.Other.UsrDat.Surname1[0] &&
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Gbl.Usrs.Other.UsrDat.FirstName[0]) // Name and surname 1 not empty
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sprintf (Query,"SELECT DISTINCT UsrCod FROM"
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"(SELECT DISTINCT UsrCod FROM usr_IDs"
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" WHERE UsrID IN (SELECT UsrID FROM usr_IDs WHERE UsrCod='%ld')"
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" UNION"
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" SELECT UsrCod FROM usr_data"
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" WHERE Surname1='%s' AND Surname2='%s' AND FirstName='%s')"
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" AS U",
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Gbl.Usrs.Other.UsrDat.UsrCod,
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Gbl.Usrs.Other.UsrDat.Surname1,
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Gbl.Usrs.Other.UsrDat.Surname2,
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Gbl.Usrs.Other.UsrDat.FirstName);
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else
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sprintf (Query,"SELECT DISTINCT UsrCod FROM usr_IDs"
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" WHERE UsrID IN (SELECT UsrID FROM usr_IDs WHERE UsrCod='%ld')",
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Gbl.Usrs.Other.UsrDat.UsrCod);
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NumUsrs = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get similar users");
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/***** List possible duplicated users *****/
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if (NumUsrs)
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{
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/***** Initialize field names *****/
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Usr_SetUsrDatMainFieldNames ();
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/***** Initialize structure with user's data *****/
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Usr_UsrDataConstructor (&UsrDat);
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/***** Start table *****/
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fprintf (Gbl.F.Out,"<table class=\"CELLS_PAD_2\">");
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/***** Heading row with column names *****/
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Gbl.Usrs.Listing.WithPhotos = true;
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Usr_WriteHeaderFieldsUsrDat (false); // Columns for the data
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/***** List users *****/
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for (NumUsr = 0, Gbl.RowEvenOdd = 0;
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NumUsr < NumUsrs;
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NumUsr++)
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{
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row = mysql_fetch_row (mysql_res);
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/* Get user code (row[0]) */
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UsrDat.UsrCod = Str_ConvertStrCodToLongCod (row[0]);
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if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&UsrDat))
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{
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/* Get if user has accepted all his/her courses */
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if (Usr_GetNumCrssOfUsr (UsrDat.UsrCod) != 0)
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UsrDat.Accepted = (Usr_GetNumCrssOfUsrNotAccepted (UsrDat.UsrCod) == 0);
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else
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UsrDat.Accepted = false;
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/* Write data of this user */
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Usr_WriteRowUsrMainData (NumUsrs - NumUsr,&UsrDat,false);
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fprintf (Gbl.F.Out,"<tr>"
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"<td colspan=\"2\" class=\"COLOR%u\"></td>"
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"<td colspan=\"%u\" class=\"COLOR%u\">",
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Gbl.RowEvenOdd,
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Usr_NUM_MAIN_FIELDS_DATA_USR-2,
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Gbl.RowEvenOdd);
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/* Show details of user's profile */
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Prf_ShowDetailsUserProfile (&UsrDat);
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/* Write all the courses this user belongs to */
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Crs_GetAndWriteCrssOfAUsr (&UsrDat,Rol_TEACHER);
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Crs_GetAndWriteCrssOfAUsr (&UsrDat,Rol_STUDENT);
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fprintf (Gbl.F.Out,"</td>"
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"</tr>");
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fprintf (Gbl.F.Out,"<tr>"
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"<td colspan=\"2\" class=\"COLOR%u\"></td>"
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"<td colspan=\"%u\" class=\"LEFT_TOP COLOR%u\""
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" style=\"padding-bottom:20px;\">",
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Gbl.RowEvenOdd,
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Usr_NUM_MAIN_FIELDS_DATA_USR-2,
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Gbl.RowEvenOdd);
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/* Button to remove this user */
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if (Acc_CheckIfICanEliminateAccount (UsrDat.UsrCod))
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Dup_PutButtonToEliminateUsrAccount (&UsrDat);
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/* Button to remove from list of possible duplicate users */
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if (Dup_CheckIfUsrIsDup (UsrDat.UsrCod))
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Dup_PutButtonToRemoveFromListOfDupUsrs (&UsrDat);
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fprintf (Gbl.F.Out,"</td>"
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"</tr>");
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Gbl.RowEvenOdd = 1 - Gbl.RowEvenOdd;
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}
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}
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/***** End table *****/
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fprintf (Gbl.F.Out,"</table>");
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/***** Free memory used for user's data *****/
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Usr_UsrDataDestructor (&UsrDat);
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}
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else // There are no users
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Lay_ShowAlert (Lay_INFO,Txt_No_users_found[Rol_UNKNOWN]);
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/***** End frame *****/
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Lay_EndRoundFrame ();
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}
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/*****************************************************************************/
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/********** Check if a user is in list of possible duplicate users ***********/
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/*****************************************************************************/
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static bool Dup_CheckIfUsrIsDup (long UsrCod)
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{
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char Query[128];
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sprintf (Query,"SELECT COUNT(*) FROM usr_duplicated WHERE UsrCod='%ld'",
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UsrCod);
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return (DB_QueryCOUNT (Query,"can not if user is in list of possible duplicate users") != 0);
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}
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/*****************************************************************************/
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/********************* Put button to view similar users **********************/
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/*****************************************************************************/
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static void Dup_PutButtonToViewSimilarUsrs (const struct UsrData *UsrDat)
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{
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extern const char *Txt_Similar_users;
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Act_FormStart (ActLstSimUsr);
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Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
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Lay_PutConfirmButtonInline (Txt_Similar_users);
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Act_FormEnd ();
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}
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/*****************************************************************************/
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/********* Put button to request the elimination of a user's account *********/
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/*****************************************************************************/
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static void Dup_PutButtonToEliminateUsrAccount (const struct UsrData *UsrDat)
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{
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extern const char *Txt_Eliminate_user_account;
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Act_FormStart (ActUpdOth);
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Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
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Par_PutHiddenParamUnsigned ("RegRemAction",(unsigned) Enr_ELIMINATE_ONE_USR_FROM_PLATFORM);
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Lay_PutRemoveButtonInline (Txt_Eliminate_user_account);
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Act_FormEnd ();
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}
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/*****************************************************************************/
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/****** Put button to remove user from list of possible duplicate users ******/
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/*****************************************************************************/
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static void Dup_PutButtonToRemoveFromListOfDupUsrs (const struct UsrData *UsrDat)
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{
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extern const char *Txt_Not_duplicated;
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Act_FormStart (ActRemDupUsr);
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Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
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Lay_PutConfirmButtonInline (Txt_Not_duplicated);
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Act_FormEnd ();
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}
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/*****************************************************************************/
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/*********** Remove user from list of possible duplicate users ***************/
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/*****************************************************************************/
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void Dup_RemoveUsrFromListDupUsrs (void)
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{
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extern const char *Txt_User_not_found_or_you_do_not_have_permission_;
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/***** Get user to be removed from list of possible duplicates *****/
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if (Usr_GetParamOtherUsrCodEncryptedAndGetUsrData ())
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{
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/* Remove entry from database */
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Dup_RemoveUsrFromDuplicated (Gbl.Usrs.Other.UsrDat.UsrCod);
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/* Show list of similar users again */
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// Dup_ListSimilarUsrsInternal ();
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/* Show list of possible duplicated users again */
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Dup_ListDuplicateUsrs ();
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}
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else
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Lay_ShowAlert (Lay_WARNING,Txt_User_not_found_or_you_do_not_have_permission_);
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}
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/*****************************************************************************/
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/******* Remove user from list of possible duplicate users in database *******/
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/*****************************************************************************/
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void Dup_RemoveUsrFromDuplicated (long UsrCod)
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{
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char Query[128];
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/***** Remove enrollment request *****/
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sprintf (Query,"DELETE FROM usr_duplicated WHERE UsrCod='%ld'",
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UsrCod);
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DB_QueryDELETE (Query,"can not remove a user from possible duplicates");
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}
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