mirror of https://github.com/acanas/swad-core.git
618 lines
22 KiB
C
618 lines
22 KiB
C
// swad_announcement.c: Global announcement
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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) 1999-2019 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_announcement.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_parameter.h"
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#include "swad_role.h"
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/*****************************************************************************/
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/****************************** Public constants *****************************/
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/*****************************************************************************/
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/*****************************************************************************/
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/***************************** Internal 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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/***************************** Internal prototypes ***************************/
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/*****************************************************************************/
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static void Ann_PutIconToAddNewAnnouncement (void);
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static void Ann_PutButtonToAddNewAnnouncement (void);
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static void Ann_DrawAnAnnouncement (long AnnCod,Ann_Status_t Status,
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const char *Subject,const char *Content,
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unsigned Roles,
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bool ShowAllAnnouncements,
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bool ICanEdit);
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static void Ann_PutParams (void);
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static long Ann_GetParamAnnCod (void);
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static void Ann_PutSubjectMessage (const char *Field,const char *Label,
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unsigned Rows);
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static void Ann_CreateAnnouncement (unsigned Roles,const char *Subject,const char *Content);
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/*****************************************************************************/
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/************************** Show global announcements ************************/
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/*****************************************************************************/
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void Ann_ShowAllAnnouncements (void)
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{
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extern const char *Hlp_MESSAGES_Announcements;
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extern const char *Txt_Announcements;
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extern const char *Txt_No_announcements;
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned NumAnnouncements;
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unsigned NumAnn;
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long AnnCod;
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unsigned Roles;
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char Subject[Cns_MAX_BYTES_SUBJECT + 1];
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char Content[Cns_MAX_BYTES_TEXT + 1];
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unsigned UnsignedNum;
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Ann_Status_t Status;
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bool ICanEdit = (Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM);
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/***** Get announcements from database *****/
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if (ICanEdit)
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{
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/* Select all announcements */
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NumAnnouncements = (unsigned) DB_QuerySELECT (&mysql_res,"can not get announcements",
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"SELECT AnnCod,Status,Roles,Subject,Content"
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" FROM announcements"
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" ORDER BY AnnCod DESC");
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}
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else if (Gbl.Usrs.Me.Logged)
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{
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/* Select only announcements I can see */
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Rol_GetRolesInAllCrssIfNotYetGot (&Gbl.Usrs.Me.UsrDat);
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NumAnnouncements = (unsigned) DB_QuerySELECT (&mysql_res,"can not get announcements",
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"SELECT AnnCod,Status,Roles,Subject,Content"
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" FROM announcements"
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" WHERE (Roles&%u)<>0 "
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" ORDER BY AnnCod DESC",
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(unsigned) Gbl.Usrs.Me.UsrDat.Roles.InCrss); // All my roles in different courses
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}
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else // No user logged
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{
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/* Select only active announcements for unknown users */
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NumAnnouncements = (unsigned) DB_QuerySELECT (&mysql_res,"can not get announcements",
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"SELECT AnnCod,Status,Roles,Subject,Content"
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" FROM announcements"
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" WHERE Status=%u AND (Roles&%u)<>0 "
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" ORDER BY AnnCod DESC",
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(unsigned) Ann_ACTIVE_ANNOUNCEMENT,
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(unsigned) (1 << Rol_UNK));
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}
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/***** Start box *****/
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Box_StartBox ("550px",Txt_Announcements,
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ICanEdit ? Ann_PutIconToAddNewAnnouncement :
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NULL,
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Hlp_MESSAGES_Announcements,Box_NOT_CLOSABLE);
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if (!NumAnnouncements)
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Ale_ShowAlert (Ale_INFO,Txt_No_announcements);
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/***** Show the announcements *****/
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for (NumAnn = 0;
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NumAnn < NumAnnouncements;
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NumAnn++)
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{
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row = mysql_fetch_row (mysql_res);
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/* Get announcement code (row[0]) */
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if (sscanf (row[0],"%ld",&AnnCod) != 1)
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Lay_ShowErrorAndExit ("Wrong code of announcement.");
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/* Get status of the announcement (row[1]) */
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Status = Ann_OBSOLETE_ANNOUNCEMENT;
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if (sscanf (row[1],"%u",&UnsignedNum) == 1)
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if (UnsignedNum < Ann_NUM_STATUS)
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Status = (Ann_Status_t) UnsignedNum;
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/* Get roles (row[2]) */
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if (sscanf (row[2],"%u",&Roles) != 1)
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Lay_ShowErrorAndExit ("Error when reading roles of announcement.");
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/* Get the content (row[3]) */
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Str_Copy (Subject,row[3],
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Cns_MAX_BYTES_SUBJECT);
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/* Get the content (row[4]) and insert links */
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Str_Copy (Content,row[4],
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Cns_MAX_BYTES_TEXT);
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Str_InsertLinks (Content,Cns_MAX_BYTES_TEXT,50);
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/* Show the announcement */
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Ann_DrawAnAnnouncement (AnnCod,Status,Subject,Content,
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Roles,true,ICanEdit);
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}
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/***** Button to add new announcement *****/
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if (ICanEdit)
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Ann_PutButtonToAddNewAnnouncement ();
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/***** End box *****/
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Box_EndBox ();
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/***** Free structure that stores the query result *****/
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DB_FreeMySQLResult (&mysql_res);
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}
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/*****************************************************************************/
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/******************** Put icon to add a new announcement *********************/
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/*****************************************************************************/
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static void Ann_PutIconToAddNewAnnouncement (void)
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{
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extern const char *Txt_New_announcement;
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Ico_PutContextualIconToAdd (ActWriAnn,NULL,NULL,
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Txt_New_announcement);
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}
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/*****************************************************************************/
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/******************* Put button to add a new announcement ********************/
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/*****************************************************************************/
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static void Ann_PutButtonToAddNewAnnouncement (void)
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{
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extern const char *Txt_New_announcement;
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Frm_StartForm (ActWriAnn);
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Btn_PutConfirmButton (Txt_New_announcement);
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Frm_EndForm ();
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}
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/*****************************************************************************/
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/************************** Show global announcements ************************/
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/*****************************************************************************/
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void Ann_ShowMyAnnouncementsNotMarkedAsSeen (void)
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{
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MYSQL_RES *mysql_res;
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MYSQL_ROW row;
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unsigned NumAnnouncements;
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unsigned NumAnn;
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long AnnCod;
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char Subject[Cns_MAX_BYTES_SUBJECT + 1];
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char Content[Cns_MAX_BYTES_TEXT + 1];
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/***** Select announcements not seen *****/
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Rol_GetRolesInAllCrssIfNotYetGot (&Gbl.Usrs.Me.UsrDat);
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NumAnnouncements = (unsigned) DB_QuerySELECT (&mysql_res,"can not get announcements",
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"SELECT AnnCod,Subject,Content FROM announcements"
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" WHERE Status=%u AND (Roles&%u)<>0 "
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" AND AnnCod NOT IN"
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" (SELECT AnnCod FROM ann_seen WHERE UsrCod=%ld)"
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" ORDER BY AnnCod DESC", // Newest first
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(unsigned) Ann_ACTIVE_ANNOUNCEMENT,
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(unsigned) Gbl.Usrs.Me.UsrDat.Roles.InCrss, // All my roles in different courses
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Gbl.Usrs.Me.UsrDat.UsrCod);
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/***** Show the announcements *****/
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if (NumAnnouncements)
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{
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fprintf (Gbl.F.Out,"<div class=\"CENTER_MIDDLE\">");
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for (NumAnn = 0;
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NumAnn < NumAnnouncements;
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NumAnn++)
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{
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row = mysql_fetch_row (mysql_res);
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/* Get announcement code (row[0]) */
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if (sscanf (row[0],"%ld",&AnnCod) != 1)
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Lay_ShowErrorAndExit ("Wrong code of announcement.");
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/* Get the content (row[1]) */
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Str_Copy (Subject,row[1],
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Cns_MAX_BYTES_SUBJECT);
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/* Get the content (row[2]) and insert links */
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Str_Copy (Content,row[2],
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Cns_MAX_BYTES_TEXT);
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Str_InsertLinks (Content,Cns_MAX_BYTES_TEXT,50);
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/* Show the announcement */
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Ann_DrawAnAnnouncement (AnnCod,Ann_ACTIVE_ANNOUNCEMENT,Subject,Content,
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0,false,false);
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}
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fprintf (Gbl.F.Out,"</div>");
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}
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}
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/*****************************************************************************/
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/****************** Draw an announcement as a yellow note ********************/
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/*****************************************************************************/
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static void Ann_DrawAnAnnouncement (long AnnCod,Ann_Status_t Status,
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const char *Subject,const char *Content,
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unsigned Roles,
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bool ShowAllAnnouncements,
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bool ICanEdit)
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{
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extern const char *Txt_Users;
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extern const char *Txt_ROLES_PLURAL_abc[Rol_NUM_ROLES][Usr_NUM_SEXS];
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extern const char *Txt_NOTICE_Active_Mark_as_obsolete;
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extern const char *Txt_NOTICE_Obsolete_Mark_as_active;
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extern const char *Txt_Do_not_show_again;
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static const char *ContainerClass[Ann_NUM_STATUS] =
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{
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"NOTICE_CONTAINER_ACTIVE", // Ann_ACTIVE_ANNOUNCEMENT
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"NOTICE_CONTAINER_OBSOLETE", // Ann_OBSOLETE_ANNOUNCEMENT
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};
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static const char *SubjectClass[Ann_NUM_STATUS] =
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{
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"NOTICE_SUBJECT_ACTIVE", // Ann_ACTIVE_ANNOUNCEMENT
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"NOTICE_SUBJECT_OBSOLETE", // Ann_OBSOLETE_ANNOUNCEMENT
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};
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static const char *ContentClass[Ann_NUM_STATUS] =
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{
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"NOTICE_TEXT_ACTIVE", // Ann_ACTIVE_ANNOUNCEMENT
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"NOTICE_TEXT_OBSOLETE", // Ann_OBSOLETE_ANNOUNCEMENT
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};
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static const char *UsersClass[Ann_NUM_STATUS] =
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{
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"NOTICE_AUTHOR_ACTIVE", // Ann_ACTIVE_ANNOUNCEMENT
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"NOTICE_AUTHOR_OBSOLETE", // Ann_OBSOLETE_ANNOUNCEMENT
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};
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Rol_Role_t Role;
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bool SomeRolesAreSelected;
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Gbl.Announcements.AnnCod = AnnCod; // Parameter for forms
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/***** Start yellow note *****/
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fprintf (Gbl.F.Out,"<div class=\"%s\" style=\"width:500px;\">",
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ContainerClass[Status]);
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if (ICanEdit)
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{
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/***** Put form to remove announcement *****/
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Ico_PutContextualIconToRemove (ActRemAnn,Ann_PutParams);
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/***** Put form to change the status of the announcement *****/
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switch (Status)
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{
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case Ann_ACTIVE_ANNOUNCEMENT:
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Lay_PutContextualLinkOnlyIcon (ActHidAnn,NULL,Ann_PutParams,
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"eye.svg",
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Txt_NOTICE_Active_Mark_as_obsolete);
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break;
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case Ann_OBSOLETE_ANNOUNCEMENT:
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Lay_PutContextualLinkOnlyIcon (ActRevAnn,NULL,Ann_PutParams,
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"eye-slash.svg",
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Txt_NOTICE_Obsolete_Mark_as_active);
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break;
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}
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}
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/***** Write the subject of the announcement *****/
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fprintf (Gbl.F.Out,"<div class=\"%s\">%s</div>",
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SubjectClass[Status],Subject);
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/***** Write the content of the announcement *****/
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fprintf (Gbl.F.Out,"<div class=\"%s\">%s</div>",
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ContentClass[Status],Content);
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/***** Write form *****/
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fprintf (Gbl.F.Out,"<div class=\"CENTER_MIDDLE\" style=\"margin:12px;\">");
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if (ShowAllAnnouncements)
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{
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/* Users' roles who can view this announcement */
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fprintf (Gbl.F.Out,"<p class=\"%s\">%s:",
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UsersClass[Status],Txt_Users);
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for (Role = Rol_UNK, SomeRolesAreSelected = false;
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Role <= Rol_TCH;
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Role++)
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if (Roles & (1 << Role))
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{
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if (SomeRolesAreSelected)
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fprintf (Gbl.F.Out,",");
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SomeRolesAreSelected = true;
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fprintf (Gbl.F.Out," %s",Txt_ROLES_PLURAL_abc[Role][Usr_SEX_UNKNOWN]);
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}
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fprintf (Gbl.F.Out,"</p>");
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}
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else
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/***** Put form to mark announcement as seen *****/
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Lay_PutContextualLinkIconText (ActAnnSee,NULL,Ann_PutParams,
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"close.svg",
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Txt_Do_not_show_again);
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fprintf (Gbl.F.Out,"</div>");
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/***** End yellow note *****/
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fprintf (Gbl.F.Out,"</div>");
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}
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/*****************************************************************************/
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/******************** Params used to edit an assignment **********************/
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/*****************************************************************************/
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static void Ann_PutParams (void)
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{
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Par_PutHiddenParamLong ("AnnCod",Gbl.Announcements.AnnCod);
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}
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/*****************************************************************************/
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/************** Get parameter with the code of an announcement ***************/
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/*****************************************************************************/
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static long Ann_GetParamAnnCod (void)
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{
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long AnnCod;
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/***** Get announcement code *****/
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if ((AnnCod = Par_GetParToLong ("AnnCod")) <= 0)
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Lay_ShowErrorAndExit ("Wrong code of announcement.");
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return AnnCod;
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}
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/*****************************************************************************/
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/***************** Show form to create a new announcement ********************/
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/*****************************************************************************/
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void Ann_ShowFormAnnouncement (void)
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{
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extern const char *Hlp_MESSAGES_Announcements;
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extern const char *The_ClassFormInBox[The_NUM_THEMES];
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extern const char *Txt_New_announcement;
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extern const char *Txt_MSG_Subject;
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extern const char *Txt_MSG_Content;
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extern const char *Txt_Users;
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extern const char *Txt_Create_announcement;
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/***** Start form *****/
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Frm_StartForm (ActRcvAnn);
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/***** Start box and table *****/
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Box_StartBoxTable (NULL,Txt_New_announcement,NULL,
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Hlp_MESSAGES_Announcements,Box_NOT_CLOSABLE,2);
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/***** Announcement subject and body *****/
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Ann_PutSubjectMessage ("Subject",Txt_MSG_Subject, 2);
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Ann_PutSubjectMessage ("Content",Txt_MSG_Content,20);
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/***** Users' roles who can view the announcement *****/
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fprintf (Gbl.F.Out,"<tr>"
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"<td class=\"%s RIGHT_TOP\">"
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"%s: "
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"</td>"
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"<td class=\"DAT LEFT_TOP\">",
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The_ClassFormInBox[Gbl.Prefs.Theme],
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Txt_Users);
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Rol_WriteSelectorRoles (1 << Rol_UNK |
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1 << Rol_GST |
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1 << Rol_STD |
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1 << Rol_NET |
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1 << Rol_TCH,
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1 << Rol_UNK |
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1 << Rol_GST |
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1 << Rol_STD |
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1 << Rol_NET |
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1 << Rol_TCH,
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false,false);
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fprintf (Gbl.F.Out,"</td>"
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"</tr>");
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/***** End table, send button and end box *****/
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Box_EndBoxTableWithButton (Btn_CREATE_BUTTON,Txt_Create_announcement);
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/***** End form *****/
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Frm_EndForm ();
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}
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/*****************************************************************************/
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/*********** Put form field for message subject or message content ***********/
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/*****************************************************************************/
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static void Ann_PutSubjectMessage (const char *Field,const char *Label,
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unsigned Rows)
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{
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extern const char *The_ClassFormInBox[The_NUM_THEMES];
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fprintf (Gbl.F.Out,"<tr>"
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"<td class=\"RIGHT_TOP\">"
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"<label for=\"%s\" class=\"%s\">%s:</label>"
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"</td>"
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"<td class=\"LEFT_TOP\">"
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"<textarea id=\"%s\" name=\"%s\""
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" cols=\"75\" rows=\"%u\">"
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"</textarea>"
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"</td>"
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"</tr>",
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Field,The_ClassFormInBox[Gbl.Prefs.Theme],Label,
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Field,Field,Rows);
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}
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/*****************************************************************************/
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/****** Receive a new announcement from a form and store it in database ******/
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/*****************************************************************************/
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void Ann_ReceiveAnnouncement (void)
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{
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extern const char *Txt_Announcement_created;
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unsigned Roles;
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char Subject[Cns_MAX_BYTES_SUBJECT + 1];
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char Content[Cns_MAX_BYTES_TEXT + 1];
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/***** Get data from form *****/
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/* Get the subject of the announcement */
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Par_GetParToHTML ("Subject",Subject,Cns_MAX_BYTES_SUBJECT);
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/* Get the content of the announcement */
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Par_GetParAndChangeFormat ("Content",Content,Cns_MAX_BYTES_TEXT,
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Str_TO_RIGOROUS_HTML,true);
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/* Get users who can view this announcement */
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Roles = Rol_GetSelectedRoles ();
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/***** Create a new announcement in database *****/
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Ann_CreateAnnouncement (Roles,Subject,Content);
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/***** Write message of success *****/
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Ale_ShowAlert (Ale_SUCCESS,Txt_Announcement_created);
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/***** Refresh list of announcements *****/
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Ann_ShowAllAnnouncements ();
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}
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/*****************************************************************************/
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/************************ Create a new announcement **************************/
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/*****************************************************************************/
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static void Ann_CreateAnnouncement (unsigned Roles,const char *Subject,const char *Content)
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{
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/***** Select announcements not seen *****/
|
|
DB_QueryINSERT ("can not create announcement",
|
|
"INSERT INTO announcements"
|
|
" (Roles,Subject,Content)"
|
|
" VALUES"
|
|
" (%u,'%s','%s')",
|
|
Roles,Subject,Content);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********** Mark as hidden a global announcement that was active ************/
|
|
/*****************************************************************************/
|
|
|
|
void Ann_HideActiveAnnouncement (void)
|
|
{
|
|
long AnnCod;
|
|
|
|
/***** Get the code of the global announcement to hide *****/
|
|
AnnCod = Ann_GetParamAnnCod ();
|
|
|
|
/***** Set global announcement as hidden *****/
|
|
DB_QueryUPDATE ("can not hide announcement",
|
|
"UPDATE announcements SET Status=%u"
|
|
" WHERE AnnCod=%ld",
|
|
(unsigned) Ann_OBSOLETE_ANNOUNCEMENT,AnnCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/*********** Mark as active a global announcement that was hidden ************/
|
|
/*****************************************************************************/
|
|
|
|
void Ann_RevealHiddenAnnouncement (void)
|
|
{
|
|
long AnnCod;
|
|
|
|
/***** Get the code of the global announcement to show *****/
|
|
AnnCod = Ann_GetParamAnnCod ();
|
|
|
|
/***** Set global announcement as shown *****/
|
|
DB_QueryUPDATE ("can not reveal announcement",
|
|
"UPDATE announcements SET Status=%u"
|
|
" WHERE AnnCod=%ld",
|
|
(unsigned) Ann_ACTIVE_ANNOUNCEMENT,AnnCod);
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/********************** Remove a global announcement *************************/
|
|
/*****************************************************************************/
|
|
|
|
void Ann_RemoveAnnouncement (void)
|
|
{
|
|
extern const char *Txt_Announcement_removed;
|
|
long AnnCod;
|
|
|
|
/***** Get the code of the global announcement *****/
|
|
AnnCod = Ann_GetParamAnnCod ();
|
|
|
|
/***** Remove announcement *****/
|
|
DB_QueryDELETE ("can not remove announcement",
|
|
"DELETE FROM announcements WHERE AnnCod=%ld",
|
|
AnnCod);
|
|
|
|
/***** Remove users who have seen the announcement *****/
|
|
DB_QueryDELETE ("can not remove announcement",
|
|
"DELETE FROM ann_seen WHERE AnnCod=%ld",
|
|
AnnCod);
|
|
|
|
/***** Write message of success *****/
|
|
Ale_ShowAlert (Ale_SUCCESS,Txt_Announcement_removed);
|
|
|
|
/***** Refresh list of announcements *****/
|
|
Ann_ShowAllAnnouncements ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/************************ Create a new announcement **************************/
|
|
/*****************************************************************************/
|
|
|
|
void Ann_MarkAnnouncementAsSeen (void)
|
|
{
|
|
long AnnCod;
|
|
|
|
/***** Get the code of the global announcement *****/
|
|
AnnCod = Ann_GetParamAnnCod ();
|
|
|
|
/***** Mark announcement as seen *****/
|
|
DB_QueryREPLACE ("can not mark announcement as seen",
|
|
"REPLACE INTO ann_seen"
|
|
" (AnnCod,UsrCod)"
|
|
" VALUES"
|
|
" (%ld,%ld)",
|
|
AnnCod,Gbl.Usrs.Me.UsrDat.UsrCod);
|
|
|
|
/***** Show other announcements again *****/
|
|
Ann_ShowMyAnnouncementsNotMarkedAsSeen ();
|
|
}
|
|
|
|
/*****************************************************************************/
|
|
/******************** Remove user from seen announcements ********************/
|
|
/*****************************************************************************/
|
|
|
|
void Ann_RemoveUsrFromSeenAnnouncements (long UsrCod)
|
|
{
|
|
/***** Remove user from seen announcements *****/
|
|
DB_QueryDELETE ("can not remove user from seen announcements",
|
|
"DELETE FROM ann_seen WHERE UsrCod=%ld",
|
|
UsrCod);
|
|
}
|