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https://github.com/acanas/swad-core.git
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541 lines
19 KiB
C
541 lines
19 KiB
C
// swad_nickname.c: Users' nicknames
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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) 1999-2024 Antonio Cañas Vargas
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/*****************************************************************************/
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/********************************* Headers ***********************************/
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/*****************************************************************************/
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#include <string.h> // For string functions
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#include "swad_account.h"
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#include "swad_action_list.h"
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#include "swad_alert.h"
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#include "swad_box.h"
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#include "swad_database.h"
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#include "swad_form.h"
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#include "swad_global.h"
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#include "swad_HTML.h"
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#include "swad_nickname_database.h"
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#include "swad_parameter.h"
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#include "swad_QR.h"
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#include "swad_user.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 variables *****************************/
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/*****************************************************************************/
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const char *Nck_NICKNAME_SECTION_ID = "nickname_section";
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/*****************************************************************************/
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/***************************** Private prototypes ****************************/
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/*****************************************************************************/
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static void Nck_ShowFormChangeUsrNickname (Usr_MeOrOther_t MeOrOther,
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bool IMustFillNickname);
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static void Nck_PutParsRemoveMyNick (void *Nick);
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static void Nck_PutParsRemoveOtherNick (void *Nick);
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static void Nck_ChangeUsrNick (struct Usr_Data *UsrDat);
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/*****************************************************************************/
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/********* Check whether a nickname (with initial arroba) if valid ***********/
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/*****************************************************************************/
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bool Nck_CheckIfNickWithArrIsValid (const char *NickWithArr)
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{
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char CopyOfNick[Nck_MAX_BYTES_NICK_WITH_ARROBA + 1];
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unsigned Length;
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const char *Ptr;
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/***** A nickname must start by '@' *****/
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if (NickWithArr[0] != '@') // It's not a nickname
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return false;
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/***** Make a copy of nickname *****/
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Str_Copy (CopyOfNick,NickWithArr,sizeof (CopyOfNick) - 1);
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Str_RemoveLeadingArrobas (CopyOfNick);
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Length = strlen (CopyOfNick); // Leading arrobas already removed
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/***** A nick (without arroba) must have a number of characters
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Nck_MIN_CHARS_NICK_WITHOUT_ARROBA <= Length <= Nck_MAX_CHARS_NICK_WITHOUT_ARROBA *****/
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if (Length < Nck_MIN_CHARS_NICK_WITHOUT_ARROBA ||
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Length > Nck_MAX_CHARS_NICK_WITHOUT_ARROBA)
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return false;
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/***** A nick can have digits, letters and '_' *****/
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for (Ptr = CopyOfNick; // Leading arrobas already removed
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*Ptr;
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Ptr++)
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if (!Str_ChIsAlphaNum (*Ptr))
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return false;
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return true;
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}
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/*****************************************************************************/
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/************** Get user's code of a user from his/her nickname **************/
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/*****************************************************************************/
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// Nickname may have leading '@'
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// Returns true if nickname found in database
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long Nck_GetUsrCodFromNickname (const char *NickWithArr)
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{
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char CopyOfNick[Nck_MAX_BYTES_NICK_WITH_ARROBA + 1];
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/***** Trivial check 1: nickname should be not null *****/
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if (!NickWithArr)
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return -1L;
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/***** Trivial check 2: nickname should be not empty *****/
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if (!NickWithArr[0])
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return -1L;
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/***** Remove leading arrobas *****/
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Str_Copy (CopyOfNick,NickWithArr,sizeof (CopyOfNick) - 1);
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Str_RemoveLeadingArrobas (CopyOfNick);
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/***** Get user's code from database *****/
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return Nck_DB_GetUsrCodFromNickname (CopyOfNick);
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}
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/*****************************************************************************/
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/******************* Put form to request the new nickname ********************/
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/*****************************************************************************/
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void Nck_PutFormToGetNewNickname (const char *NewNickWithoutArr)
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{
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extern const char *Txt_Nickname;
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extern const char *Txt_HELP_nickname;
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char NewNickWithArr[Nck_MAX_BYTES_NICK_WITH_ARROBA + 1];
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/***** Nickname *****/
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HTM_TR_Begin (NULL);
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/* Label */
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Frm_LabelColumn ("Frm_C1 RM","NewNick",Txt_Nickname);
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/* Data */
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HTM_TD_Begin ("class=\"Frm_C2 LM\"");
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if (NewNickWithoutArr[0])
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snprintf (NewNickWithArr,sizeof (NewNickWithArr),"@%s",
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NewNickWithoutArr);
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else
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NewNickWithArr[0] = '\0';
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HTM_INPUT_TEXT ("NewNick",1 + Nck_MAX_CHARS_NICK_WITHOUT_ARROBA,
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NewNickWithArr,
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HTM_REQUIRED,
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"id=\"NewNick\" size=\"16\" placeholder=\"%s\""
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" class=\"Frm_C2_INPUT INPUT_%s\"",
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Txt_HELP_nickname,The_GetSuffix ());
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HTM_TD_End ();
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HTM_TR_End ();
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}
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/*****************************************************************************/
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/*********************** Show form to change my nickname *********************/
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/*****************************************************************************/
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void Nck_ShowFormChangeMyNickname (bool IMustFillNickname)
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{
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Nck_ShowFormChangeUsrNickname (Usr_ME,
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IMustFillNickname);
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}
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/*****************************************************************************/
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/*********************** Show form to change my nickname *********************/
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/*****************************************************************************/
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void Nck_ShowFormChangeOtherUsrNickname (void)
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{
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Nck_ShowFormChangeUsrNickname (Usr_OTHER,
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false); // IMustFillNickname
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}
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/*****************************************************************************/
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/*********************** Show form to change my nickname *********************/
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/*****************************************************************************/
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static void Nck_ShowFormChangeUsrNickname (Usr_MeOrOther_t MeOrOther,
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bool IMustFillNickname)
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{
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extern const char *Hlp_PROFILE_Account;
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extern const char *Txt_Nickname;
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extern const char *Txt_Before_going_to_any_other_option_you_must_fill_your_nickname;
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extern const char *Txt_Current_nickname;
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extern const char *Txt_Other_nicknames;
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extern const char *Txt_Use_this_nickname;
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extern const char *Txt_New_nickname;
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extern const char *Txt_Change_nickname;
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extern const char *Txt_Save_changes;
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static const struct
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{
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Act_Action_t Remove;
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Act_Action_t Change;
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} NextAction[Rol_NUM_ROLES] =
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{
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[Rol_UNK ] = {ActRemNicOth,ActChgNicOth},
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[Rol_GST ] = {ActRemNicOth,ActChgNicOth},
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[Rol_USR ] = {ActRemNicOth,ActChgNicOth},
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[Rol_STD ] = {ActRemNicStd,ActChgNicStd},
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[Rol_NET ] = {ActRemNicTch,ActChgNicTch},
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[Rol_TCH ] = {ActRemNicTch,ActChgNicTch},
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[Rol_DEG_ADM] = {ActRemNicOth,ActChgNicOth},
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[Rol_CTR_ADM] = {ActRemNicOth,ActChgNicOth},
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[Rol_INS_ADM] = {ActRemNicOth,ActChgNicOth},
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[Rol_SYS_ADM] = {ActRemNicOth,ActChgNicOth},
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};
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned NumNicks;
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unsigned NumNick;
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char NickWithArr[Nck_MAX_BYTES_NICK_WITH_ARROBA + 1];
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static struct Usr_Data *UsrDat[Usr_NUM_ME_OR_OTHER] =
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{
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[Usr_ME ] = &Gbl.Usrs.Me.UsrDat,
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[Usr_OTHER] = &Gbl.Usrs.Other.UsrDat
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};
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static void (*FuncParsRemove[Usr_NUM_ME_OR_OTHER]) (void *ID) =
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{
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[Usr_ME ] = Nck_PutParsRemoveMyNick,
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[Usr_OTHER] = Nck_PutParsRemoveOtherNick
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};
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struct
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{
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Act_Action_t Remove;
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Act_Action_t Change;
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} ActNck[Rol_NUM_ROLES] =
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{
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[Usr_ME ] = {.Remove = ActRemMyNck,
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.Change = ActChgMyNck},
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[Usr_OTHER] = {.Remove = NextAction[Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs].Remove,
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.Change = NextAction[Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs].Change}
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};
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/***** Begin section *****/
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HTM_SECTION_Begin (Nck_NICKNAME_SECTION_ID);
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/***** Get my nicknames *****/
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NumNicks = Nck_DB_GetUsrNicknames (&mysql_res,UsrDat[MeOrOther]->UsrCod);
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/***** Begin box *****/
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Box_BoxBegin (Txt_Nickname,Acc_PutLinkToRemoveMyAccount,NULL,
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Hlp_PROFILE_Account,Box_NOT_CLOSABLE);
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/***** Show possible alerts *****/
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Ale_ShowAlerts (Nck_NICKNAME_SECTION_ID);
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/***** Help message *****/
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if (IMustFillNickname)
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Ale_ShowAlert (Ale_WARNING,Txt_Before_going_to_any_other_option_you_must_fill_your_nickname);
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/***** Begin table *****/
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HTM_TABLE_BeginPadding (2);
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/***** List nicknames *****/
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for (NumNick = 1;
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NumNick <= NumNicks;
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NumNick++)
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{
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/* Get nickname */
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row = mysql_fetch_row (mysql_res);
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if (NumNick == 1)
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{
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/* The first nickname is the current one */
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HTM_TR_Begin (NULL);
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/* Label */
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Frm_LabelColumn ("Frm_C1 RT",NULL,Txt_Current_nickname);
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/* Data */
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HTM_TD_Begin ("class=\"Frm_C2 LT DAT_STRONG_%s\"",
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The_GetSuffix ());
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}
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else // NumNick >= 2
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{
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if (NumNick == 2)
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{
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HTM_TR_Begin (NULL);
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/* Label */
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Frm_LabelColumn ("Frm_C1 RT",NULL,Txt_Other_nicknames);
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/* Data */
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HTM_TD_Begin ("class=\"Frm_C2 LT DAT_%s\"",
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The_GetSuffix ());
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}
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/* Form to remove old nickname */
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Ico_PutContextualIconToRemove (ActNck[MeOrOther].Remove,Nck_NICKNAME_SECTION_ID,
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FuncParsRemove[MeOrOther],row[0]);
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}
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/* Nickname */
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HTM_TxtF ("@%s",row[0]);
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/* Link to QR code */
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if (NumNick == 1 && UsrDat[MeOrOther]->Nickname[0])
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QR_PutLinkToPrintQRCode (ActPrnUsrQR,
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Usr_PutParOtherUsrCodEncrypted,UsrDat[MeOrOther]->EnUsrCod);
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/* Form to change the nickname */
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if (NumNick > 1)
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{
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HTM_BR ();
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Frm_BeginFormAnchor (ActNck[MeOrOther].Change,Nck_NICKNAME_SECTION_ID);
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if (MeOrOther == Usr_OTHER)
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Usr_PutParUsrCodEncrypted (Gbl.Usrs.Other.UsrDat.EnUsrCod);
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snprintf (NickWithArr,sizeof (NickWithArr),"@%s",row[0]);
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Par_PutParString (NULL,"NewNick",NickWithArr); // Nickname
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Btn_PutConfirmButtonInline (Txt_Use_this_nickname);
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Frm_EndForm ();
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}
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if (NumNick == 1 ||
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NumNick == NumNicks)
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{
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HTM_TD_End ();
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HTM_TR_End ();
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}
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else
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HTM_BR ();
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}
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/***** Form to enter new nickname *****/
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HTM_TR_Begin (NULL);
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/* Label */
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Frm_LabelColumn ("Frm_C1 RT","NewNick",
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NumNicks ? Txt_New_nickname : // A new nickname
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Txt_Nickname); // The first nickname
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/* Data */
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HTM_TD_Begin ("class=\"Frm_C2 LT DAT_%s\"",The_GetSuffix ());
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Frm_BeginFormAnchor (ActNck[MeOrOther].Change,Nck_NICKNAME_SECTION_ID);
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if (MeOrOther == Usr_OTHER)
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Usr_PutParUsrCodEncrypted (Gbl.Usrs.Other.UsrDat.EnUsrCod);
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snprintf (NickWithArr,sizeof (NickWithArr),"@%s",
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UsrDat[MeOrOther]->Nickname);
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HTM_INPUT_TEXT ("NewNick",1 + Nck_MAX_CHARS_NICK_WITHOUT_ARROBA,
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NickWithArr,
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HTM_NO_ATTR,
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"id=\"NewNick\""
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" class=\"Frm_C2_INPUT INPUT_%s\""
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" size=\"16\"",The_GetSuffix ());
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HTM_BR ();
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Btn_PutCreateButtonInline (NumNicks ? Txt_Change_nickname : // I already have a nickname
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Txt_Save_changes); // I have no nickname yet);
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Frm_EndForm ();
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HTM_TD_End ();
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HTM_TR_End ();
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/***** End table and box *****/
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Box_BoxTableEnd ();
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/***** End section *****/
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HTM_SECTION_End ();
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}
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static void Nck_PutParsRemoveMyNick (void *Nick)
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{
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if (Nick)
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Par_PutParString (NULL,"Nick",Nick);
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}
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static void Nck_PutParsRemoveOtherNick (void *Nick)
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{
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if (Nick)
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{
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Usr_PutParUsrCodEncrypted (Gbl.Usrs.Other.UsrDat.EnUsrCod);
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Par_PutParString (NULL,"Nick",Nick);
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}
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}
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/*****************************************************************************/
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/***************************** Remove my nickname ****************************/
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/*****************************************************************************/
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void Nck_RemoveMyNick (void)
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{
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extern const char *Txt_Nickname_X_removed;
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extern const char *Txt_You_can_not_delete_your_current_nickname;
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char NickWithoutArr[Nck_MAX_BYTES_NICK_WITHOUT_ARROBA + 1];
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/***** Get nickname from form *****/
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Par_GetParText ("Nick",NickWithoutArr,
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Nck_MAX_BYTES_NICK_WITHOUT_ARROBA);
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if (strcasecmp (NickWithoutArr,Gbl.Usrs.Me.UsrDat.Nickname)) // Only if not my current nickname
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{
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/***** Remove one of my old nicknames *****/
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Nck_DB_RemoveNickname (Gbl.Usrs.Me.UsrDat.UsrCod,NickWithoutArr);
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/***** Show message *****/
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Ale_CreateAlert (Ale_SUCCESS,Nck_NICKNAME_SECTION_ID,
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Txt_Nickname_X_removed,
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NickWithoutArr);
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}
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else
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Ale_CreateAlert (Ale_WARNING,Nck_NICKNAME_SECTION_ID,
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Txt_You_can_not_delete_your_current_nickname);
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/***** Show my account again *****/
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Acc_ShowFormChgMyAccount ();
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}
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/*****************************************************************************/
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/********************* Remove another user's nickname ************************/
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/*****************************************************************************/
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void Nck_RemoveOtherUsrNick (void)
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{
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extern const char *Txt_Nickname_X_removed;
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char NickWithoutArr[Nck_MAX_BYTES_NICK_WITHOUT_ARROBA + 1];
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/***** Get user whose nick must be removed *****/
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if (Usr_GetParOtherUsrCodEncryptedAndGetUsrData ())
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switch (Usr_CheckIfICanEditOtherUsr (&Gbl.Usrs.Other.UsrDat))
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{
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case Usr_CAN:
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/***** Get nickname from form *****/
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Par_GetParText ("Nick",NickWithoutArr,
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Nck_MAX_BYTES_NICK_WITHOUT_ARROBA);
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/***** Remove one of the old nicknames *****/
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Nck_DB_RemoveNickname (Gbl.Usrs.Other.UsrDat.UsrCod,NickWithoutArr);
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/***** Show message *****/
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Ale_CreateAlert (Ale_SUCCESS,Nck_NICKNAME_SECTION_ID,
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Txt_Nickname_X_removed,
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NickWithoutArr);
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/***** Show user's account again *****/
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Acc_ShowFormChgOtherUsrAccount ();
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break;
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case Usr_CAN_NOT:
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default:
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Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
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break;
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}
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else // User not found
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Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
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}
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/*****************************************************************************/
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/***************************** Update my nickname ****************************/
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/*****************************************************************************/
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void Nck_UpdateMyNick (void)
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{
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/***** Update my nickname *****/
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Nck_ChangeUsrNick (&Gbl.Usrs.Me.UsrDat);
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/***** Show my account again *****/
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Acc_ShowFormChgMyAccount ();
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}
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/*****************************************************************************/
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/*********************** Change another user's nickname **********************/
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/*****************************************************************************/
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void Nck_ChangeOtherUsrNick (void)
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{
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/***** Get user whose nick must be changed *****/
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if (Usr_GetParOtherUsrCodEncryptedAndGetUsrData ())
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switch (Usr_CheckIfICanEditOtherUsr (&Gbl.Usrs.Other.UsrDat))
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{
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case Usr_CAN:
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/***** Update user's nickname *****/
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Nck_ChangeUsrNick (&Gbl.Usrs.Other.UsrDat);
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/***** Show user's account again *****/
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Acc_ShowFormChgOtherUsrAccount ();
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break;
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case Usr_CAN_NOT:
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default:
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Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
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break;
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}
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else // User not found
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Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
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}
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/*****************************************************************************/
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/*************************** Change user's nickname **************************/
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/*****************************************************************************/
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static void Nck_ChangeUsrNick (struct Usr_Data *UsrDat)
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{
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extern const char *Txt_The_nickname_matches_the_one_you_had_previously_registered;
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extern const char *Txt_The_nickname_had_been_registered_by_another_user;
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extern const char *Txt_The_nickname_has_been_registered_successfully;
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extern const char *Txt_The_nickname_is_not_valid_;
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char NewNick[Nck_MAX_BYTES_NICK_WITH_ARROBA + 1];
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/***** Get new nickname from form *****/
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Par_GetParText ("NewNick",NewNick,sizeof (NewNick) - 1);
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if (Nck_CheckIfNickWithArrIsValid (NewNick)) // If new nickname is valid
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{
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/***** Remove arrobas at the beginning *****/
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Str_RemoveLeadingArrobas (NewNick);
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/***** Check if new nickname exists in database *****/
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if (!strcmp (UsrDat->Nickname,NewNick)) // User's nickname match exactly the new nickname
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Ale_CreateAlert (Ale_WARNING,Nck_NICKNAME_SECTION_ID,
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Txt_The_nickname_matches_the_one_you_had_previously_registered);
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else if (strcasecmp (UsrDat->Nickname,NewNick)) // User's nickname does not match, not even case insensitive, the new nickname
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{
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/***** Check if the new nickname matches any of my old nicknames *****/
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if (!Nck_DB_CheckIfNickMatchesAnyUsrNick (UsrDat->UsrCod,NewNick)) // No matches
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/***** Check if the new nickname matches any of the nicknames of other users *****/
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if (Nck_DB_CheckIfNickMatchesAnyOtherUsrsNicks (UsrDat->UsrCod,NewNick)) // A nickname of another user is the same that user's nickname
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Ale_CreateAlert (Ale_WARNING,Nck_NICKNAME_SECTION_ID,
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Txt_The_nickname_had_been_registered_by_another_user);
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}
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if (Ale_GetNumAlerts () == 0) // No problems
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{
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// Now we know the new nickname is not already in database
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// and is diffent to the current one
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Nck_DB_UpdateNick (UsrDat->UsrCod,NewNick); // Leading arrobas already removed
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Str_Copy (UsrDat->Nickname,NewNick,sizeof (UsrDat->Nickname) - 1);
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Ale_CreateAlert (Ale_SUCCESS,Nck_NICKNAME_SECTION_ID,
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Txt_The_nickname_has_been_registered_successfully);
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}
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}
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else // New nickname is not valid
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Ale_CreateAlert (Ale_WARNING,Nck_NICKNAME_SECTION_ID,
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Txt_The_nickname_is_not_valid_,
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Nck_MIN_CHARS_NICK_WITHOUT_ARROBA,
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Nck_MAX_CHARS_NICK_WITHOUT_ARROBA);
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}
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