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swad-core/swad_banner.c

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// swad_banner.c: banners
/*
SWAD (Shared Workspace At a Distance),
is a web platform developed at the University of Granada (Spain),
and used to support university teaching.
This file is part of SWAD core.
Copyright (C) 1999-2019 Antonio Cañas Vargas
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as
published by the Free Software Foundation, either version 3 of the
License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*****************************************************************************/
/********************************* Headers ***********************************/
/*****************************************************************************/
#include <linux/stddef.h> // For NULL
#include <stdlib.h> // For calloc
#include <string.h> // For string functions
#include "swad_banner.h"
#include "swad_box.h"
#include "swad_constant.h"
#include "swad_database.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_HTML.h"
#include "swad_language.h"
#include "swad_parameter.h"
#include "swad_photo.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/***************************** Private constants *****************************/
/*****************************************************************************/
/*****************************************************************************/
/******************************* Private types *******************************/
/*****************************************************************************/
/*****************************************************************************/
/***************************** Private variables *****************************/
/*****************************************************************************/
static struct Banner *Ban_EditingBan = NULL; // Static variable to keep the banner being edited
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Ban_WriteListOfBanners (void);
static void Ban_PutIconsListingBanners (void);
static void Ban_PutIconToEditBanners (void);
static void Ban_EditBannersInternal (void);
static void Ban_GetListBanners (MYSQL_RES **mysql_res,unsigned long NumRows);
static void Ban_PutIconsEditingBanners (void);
static void Ban_ListBannersForEdition (void);
static void Ban_PutParamBanCodToEdit (void);
static void Ban_PutParamBanCod (long BanCod);
static void Ban_ShowOrHideBanner (bool Hide);
static void Ban_RenameBanner (Cns_ShrtOrFullName_t ShrtOrFullName);
static bool Ban_CheckIfBannerNameExists (const char *FieldName,const char *Name,long BanCod);
static void Ban_UpdateBanNameDB (long BanCod,const char *FieldName,
const char *NewBanName);
static void Ban_PutFormToCreateBanner (void);
static void Ban_PutHeadBanners (void);
static void Ban_CreateBanner (struct Banner *Ban);
static void Ban_EditingBannerConstructor (void);
static void Ban_EditingBannerDestructor (void);
/*****************************************************************************/
/***************************** List all banners ******************************/
/*****************************************************************************/
void Ban_SeeBanners (void)
{
extern const char *Hlp_SYSTEM_Banners;
extern const char *Txt_Banners;
extern const char *Txt_No_banners;
extern const char *Txt_New_banner;
MYSQL_RES *mysql_res;
unsigned long NumRows;
/***** Get list of banners *****/
NumRows = DB_QuerySELECT (&mysql_res,"can not get banners",
"SELECT BanCod,Hidden,ShortName,FullName,Img,WWW"
" FROM banners"
" WHERE Hidden='N'"
" ORDER BY ShortName");
Ban_GetListBanners (&mysql_res,NumRows);
/***** Begin box *****/
Box_BoxBegin (NULL,Txt_Banners,Ban_PutIconsListingBanners,
Hlp_SYSTEM_Banners,Box_NOT_CLOSABLE);
/***** Write all banners *****/
if (Gbl.Banners.Num) // There are banners
Ban_WriteListOfBanners ();
else // No banners created
Ale_ShowAlert (Ale_INFO,Txt_No_banners);
/***** Button to create banner *****/
if (Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM)
{
Frm_StartForm (ActEdiBan);
Btn_PutConfirmButton (Txt_New_banner);
Frm_EndForm ();
}
/***** End box *****/
Box_BoxEnd ();
/***** Free list of banners *****/
Ban_FreeListBanners ();
}
/*****************************************************************************/
/*************************** Write list of banners ***************************/
/*****************************************************************************/
static void Ban_WriteListOfBanners (void)
{
unsigned NumBan;
/***** List start *****/
HTM_UL_Begin ("class=\"LIST_LEFT\"");
/***** Write all the banners *****/
for (NumBan = 0;
NumBan < Gbl.Banners.Num;
NumBan++)
{
/* Write data of this banner */
HTM_LI_Begin (NULL);
HTM_A_Begin ("href=\"%s\" title=\"%s\" class=\"DAT\" target=\"_blank\"",
Gbl.Banners.Lst[NumBan].WWW,
Gbl.Banners.Lst[NumBan].FullName);
HTM_IMG (Cfg_URL_BANNER_PUBLIC,Gbl.Banners.Lst[NumBan].Img,Gbl.Banners.Lst[NumBan].FullName,
"class=\"BANNER\"");
HTM_A_End ();
HTM_LI_End ();
}
/***** List end *****/
HTM_UL_End ();
}
/*****************************************************************************/
/***************** Put contextual icons in list of banners *******************/
/*****************************************************************************/
static void Ban_PutIconsListingBanners (void)
{
/***** Put icon to view banners *****/
if (Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM)
Ban_PutIconToEditBanners ();
/***** Put icon to view links *****/
Lnk_PutIconToViewLinks ();
}
/*****************************************************************************/
/************************* Put an icon to edit banners ***********************/
/*****************************************************************************/
static void Ban_PutIconToEditBanners (void)
{
Ico_PutContextualIconToEdit (ActEdiBan,NULL);
}
/*****************************************************************************/
/************************** Put forms to edit banners ************************/
/*****************************************************************************/
void Ban_EditBanners (void)
{
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Edit banners *****/
Ban_EditBannersInternal ();
/***** Banner destructor *****/
Ban_EditingBannerDestructor ();
}
static void Ban_EditBannersInternal (void)
{
extern const char *Hlp_SYSTEM_Banners_edit;
extern const char *Txt_Banners;
MYSQL_RES *mysql_res;
unsigned long NumRows;
/***** Get list of banners *****/
NumRows = DB_QuerySELECT (&mysql_res,"can not get banners",
"SELECT BanCod,Hidden,ShortName,FullName,Img,WWW"
" FROM banners ORDER BY ShortName");
Ban_GetListBanners (&mysql_res,NumRows);
/***** Begin box *****/
Box_BoxBegin (NULL,Txt_Banners,Ban_PutIconsEditingBanners,
Hlp_SYSTEM_Banners_edit,Box_NOT_CLOSABLE);
/***** Put a form to create a new banner *****/
Ban_PutFormToCreateBanner ();
/***** Forms to edit current banners *****/
if (Gbl.Banners.Num)
Ban_ListBannersForEdition ();
/***** End box *****/
Box_BoxEnd ();
/***** Free list of banners *****/
Ban_FreeListBanners ();
}
/*****************************************************************************/
/**************************** List all the banners ***************************/
/*****************************************************************************/
static void Ban_GetListBanners (MYSQL_RES **mysql_res,unsigned long NumRows)
{
MYSQL_ROW row;
unsigned NumBan;
struct Banner *Ban;
/***** Get banners from database *****/
if (NumRows) // Banners found...
{
Gbl.Banners.Num = (unsigned) NumRows;
/***** Create list with banners *****/
if ((Gbl.Banners.Lst = (struct Banner *)
calloc (NumRows,sizeof (struct Banner))) == NULL)
Lay_NotEnoughMemoryExit ();
/***** Get the banners *****/
for (NumBan = 0;
NumBan < Gbl.Banners.Num;
NumBan++)
{
Ban = &(Gbl.Banners.Lst[NumBan]);
/* Get next banner */
row = mysql_fetch_row (*mysql_res);
/* Get banner code (row[0]) */
if ((Ban->BanCod = Str_ConvertStrCodToLongCod (row[0])) < 0)
Lay_ShowErrorAndExit ("Wrong code of banner.");
/* Get if banner is hidden (row[1]) */
Ban->Hidden = (row[1][0] == 'Y');
/* Get the short name of the banner (row[2]) */
Str_Copy (Ban->ShrtName,row[2],
Ban_MAX_BYTES_SHRT_NAME);
/* Get the full name of the banner (row[3]) */
Str_Copy (Ban->FullName,row[3],
Ban_MAX_BYTES_FULL_NAME);
/* Get the image of the banner (row[4]) */
Str_Copy (Ban->Img,row[4],
Ban_MAX_BYTES_IMAGE);
/* Get the URL of the banner (row[5]) */
Str_Copy (Ban->WWW,row[5],
Cns_MAX_BYTES_WWW);
}
}
else
Gbl.Banners.Num = 0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (mysql_res);
}
/*****************************************************************************/
/*************************** Get banner full name ****************************/
/*****************************************************************************/
void Ban_GetDataOfBannerByCod (struct Banner *Ban)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumRows;
/***** Clear data *****/
Ban->Hidden = false;
Ban->ShrtName[0] = Ban->FullName[0] = Ban->Img[0] = Ban->WWW[0] = '\0';
/***** Check if banner code is correct *****/
if (Ban->BanCod > 0)
{
/***** Get data of a banner from database *****/
NumRows = DB_QuerySELECT (&mysql_res,"can not get data of a banner",
"SELECT Hidden,ShortName,FullName,Img,WWW"
" FROM banners WHERE BanCod=%ld",
Ban->BanCod);
if (NumRows) // Banner found...
{
/* Get row */
row = mysql_fetch_row (mysql_res);
/* Get if the banner is hidden (row[0]) */
Ban->Hidden = (row[0][0] == 'Y');
/* Get the short name of the banner (row[1]) */
Str_Copy (Ban->ShrtName,row[1],
Ban_MAX_BYTES_SHRT_NAME);
/* Get the full name of the banner (row[2]) */
Str_Copy (Ban->FullName,row[2],
Ban_MAX_BYTES_FULL_NAME);
/* Get the image of the banner (row[3]) */
Str_Copy (Ban->Img,row[3],
Ban_MAX_BYTES_IMAGE);
/* Get the URL of the banner (row[4]) */
Str_Copy (Ban->WWW,row[4],
Cns_MAX_BYTES_WWW);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
}
/*****************************************************************************/
/*************************** Free list of banners ****************************/
/*****************************************************************************/
void Ban_FreeListBanners (void)
{
if (Gbl.Banners.Lst)
{
/***** Free memory used by the list of banners *****/
free (Gbl.Banners.Lst);
Gbl.Banners.Lst = NULL;
Gbl.Banners.Num = 0;
}
}
/*****************************************************************************/
/**************** Put contextual icons in edition of banners *****************/
/*****************************************************************************/
static void Ban_PutIconsEditingBanners (void)
{
/***** Put icon to view banners *****/
Ban_PutIconToViewBanners ();
/***** Put icon to view links *****/
Lnk_PutIconToViewLinks ();
}
/*****************************************************************************/
/************************* Put icon to view banners **************************/
/*****************************************************************************/
void Ban_PutIconToViewBanners (void)
{
extern const char *Txt_Banners;
Lay_PutContextualLinkOnlyIcon (ActSeeBan,NULL,NULL,
"flag.svg",
Txt_Banners);
}
/*****************************************************************************/
/*************************** List all the banners ****************************/
/*****************************************************************************/
static void Ban_ListBannersForEdition (void)
{
unsigned NumBan;
struct Banner *Ban;
char *Anchor = NULL;
/***** Begin table *****/
HTM_TABLE_BeginWidePadding (2);
/***** Table head *****/
Ban_PutHeadBanners ();
/***** Write all the banners *****/
for (NumBan = 0;
NumBan < Gbl.Banners.Num;
NumBan++)
{
Ban = &Gbl.Banners.Lst[NumBan];
Gbl.Banners.BanCodToEdit = Ban->BanCod;
/* Set anchor string */
Frm_SetAnchorStr (Ban->BanCod,&Anchor);
/* Put icon to remove banner */
HTM_TR_Begin (NULL);
HTM_TD_Begin ("class=\"BM\"");
Ico_PutContextualIconToRemove (ActRemBan,Ban_PutParamBanCodToEdit);
HTM_TD_End ();
/* Put icon to hide/show banner */
HTM_TD_Begin ("class=\"BM\"");
if (Ban->Hidden)
Ico_PutContextualIconToUnhide (ActShoBan,Anchor,Ban_PutParamBanCodToEdit);
else
Ico_PutContextualIconToHide (ActHidBan,Anchor,Ban_PutParamBanCodToEdit);
HTM_TD_End ();
/* Banner code */
HTM_TD_Begin ("class=\"%s RM\"",
Ban->Hidden ? "DAT_LIGHT" :
"DAT");
HTM_ARTICLE_Begin (Anchor);
HTM_Long (Ban->BanCod);
HTM_ARTICLE_End ();
HTM_TD_End ();
/* Banner short name */
HTM_TD_Begin ("class=\"CM\"");
Frm_StartForm (ActRenBanSho);
Ban_PutParamBanCodToEdit ();
HTM_INPUT_TEXT ("ShortName",Ban_MAX_CHARS_SHRT_NAME,Ban->ShrtName,true,
"class=\"INPUT_SHORT_NAME\"");
Frm_EndForm ();
HTM_TD_End ();
/* Banner full name */
HTM_TD_Begin ("class=\"CM\"");
Frm_StartForm (ActRenBanFul);
Ban_PutParamBanCodToEdit ();
HTM_INPUT_TEXT ("FullName",Ban_MAX_CHARS_FULL_NAME,Ban->FullName,true,
"class=\"INPUT_FULL_NAME\"");
Frm_EndForm ();
HTM_TD_End ();
/* Banner image */
HTM_TD_Begin ("class=\"CM\"");
Frm_StartForm (ActChgBanImg);
Ban_PutParamBanCodToEdit ();
HTM_INPUT_TEXT ("Img",Ban_MAX_CHARS_IMAGE,Ban->Img,true,
"size=\"12\"");
Frm_EndForm ();
HTM_TD_End ();
/* Banner WWW */
HTM_TD_Begin ("class=\"CM\"");
Frm_StartForm (ActChgBanWWW);
Ban_PutParamBanCodToEdit ();
HTM_INPUT_URL ("WWW",Ban->WWW,true,
"class=\"INPUT_WWW\"");
Frm_EndForm ();
HTM_TD_End ();
HTM_TR_End ();
/* Free anchor string */
Frm_FreeAnchorStr (Anchor);
}
/***** End table *****/
HTM_TABLE_End ();
}
/*****************************************************************************/
/******************* Write parameter with code of banner *********************/
/*****************************************************************************/
static void Ban_PutParamBanCodToEdit (void)
{
Ban_PutParamBanCod (Gbl.Banners.BanCodToEdit);
}
static void Ban_PutParamBanCod (long BanCod)
{
Par_PutHiddenParamLong (NULL,"BanCod",BanCod);
}
/*****************************************************************************/
/******************** Get parameter with code of banner **********************/
/*****************************************************************************/
long Ban_GetParamBanCod (void)
{
/***** Get code of banner *****/
return Par_GetParToLong ("BanCod");
}
/*****************************************************************************/
/******************************* Remove a banner *****************************/
/*****************************************************************************/
void Ban_RemoveBanner (void)
{
extern const char *Txt_Banner_X_removed;
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Get banner code *****/
if ((Ban_EditingBan->BanCod = Ban_GetParamBanCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of banner is missing.");
/***** Get data of the banner from database *****/
Ban_GetDataOfBannerByCod (Ban_EditingBan);
/***** Remove banner *****/
DB_QueryDELETE ("can not remove a banner",
"DELETE FROM banners WHERE BanCod=%ld",
Ban_EditingBan->BanCod);
/***** Write message to show the change made *****/
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_Banner_X_removed,
Ban_EditingBan->ShrtName);
}
/*****************************************************************************/
/**************************** Show a hidden banner ***************************/
/*****************************************************************************/
void Ban_ShowBanner (void)
{
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Set banner as visible *****/
Ban_ShowOrHideBanner (false);
}
/*****************************************************************************/
/**************************** Hide a visible banner **************************/
/*****************************************************************************/
void Ban_HideBanner (void)
{
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Set banner as hidden *****/
Ban_ShowOrHideBanner (true);
}
/*****************************************************************************/
/*************** Change hiddeness of banner in the database ******************/
/*****************************************************************************/
static void Ban_ShowOrHideBanner (bool Hide)
{
/***** Get banner code *****/
if ((Ban_EditingBan->BanCod = Ban_GetParamBanCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of banner is missing.");
/***** Get data of the banner from database *****/
Ban_GetDataOfBannerByCod (Ban_EditingBan);
/***** Mark file as hidden/visible in database *****/
if (Ban_EditingBan->Hidden != Hide)
DB_QueryUPDATE ("can not change status of a banner in database",
"UPDATE banners SET Hidden='%c'"
" WHERE BanCod=%ld",
Hide ? 'Y' :
'N',
Ban_EditingBan->BanCod);
}
/*****************************************************************************/
/********************* Change the short name of a banner *********************/
/*****************************************************************************/
void Ban_RenameBannerShort (void)
{
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Rename banner *****/
Ban_RenameBanner (Cns_SHRT_NAME);
}
/*****************************************************************************/
/********************* Change the full name of a banner **********************/
/*****************************************************************************/
void Ban_RenameBannerFull (void)
{
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Rename banner *****/
Ban_RenameBanner (Cns_FULL_NAME);
}
/*****************************************************************************/
/*********************** Change the name of a banner *************************/
/*****************************************************************************/
static void Ban_RenameBanner (Cns_ShrtOrFullName_t ShrtOrFullName)
{
extern const char *Txt_You_can_not_leave_the_name_of_the_banner_X_empty;
extern const char *Txt_The_banner_X_already_exists;
extern const char *Txt_The_banner_X_has_been_renamed_as_Y;
extern const char *Txt_The_name_of_the_banner_X_has_not_changed;
const char *ParamName = NULL; // Initialized to avoid warning
const char *FieldName = NULL; // Initialized to avoid warning
unsigned MaxBytes = 0; // Initialized to avoid warning
char *CurrentBanName = NULL; // Initialized to avoid warning
char NewBanName[Ban_MAX_BYTES_FULL_NAME + 1];
switch (ShrtOrFullName)
{
case Cns_SHRT_NAME:
ParamName = "ShortName";
FieldName = "ShortName";
MaxBytes = Ban_MAX_BYTES_SHRT_NAME;
CurrentBanName = Ban_EditingBan->ShrtName;
break;
case Cns_FULL_NAME:
ParamName = "FullName";
FieldName = "FullName";
MaxBytes = Ban_MAX_BYTES_FULL_NAME;
CurrentBanName = Ban_EditingBan->FullName;
break;
}
/***** Get parameters from form *****/
/* Get the code of the banner */
if ((Ban_EditingBan->BanCod = Ban_GetParamBanCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of banner is missing.");
/* Get the new name for the banner */
Par_GetParToText (ParamName,NewBanName,MaxBytes);
/***** Get banner data from the database *****/
Ban_GetDataOfBannerByCod (Ban_EditingBan);
/***** Check if new name is empty *****/
if (!NewBanName[0])
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_can_not_leave_the_name_of_the_banner_X_empty,
CurrentBanName);
else
{
/***** Check if old and new names are the same
(this happens when return is pressed without changes) *****/
if (strcmp (CurrentBanName,NewBanName)) // Different names
{
/***** If banner was in database... *****/
if (Ban_CheckIfBannerNameExists (ParamName,NewBanName,Ban_EditingBan->BanCod))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_banner_X_already_exists,
NewBanName);
else
{
/* Update the table changing old name by new name */
Ban_UpdateBanNameDB (Ban_EditingBan->BanCod,FieldName,NewBanName);
/* Write message to show the change made */
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_banner_X_has_been_renamed_as_Y,
CurrentBanName,NewBanName);
}
}
else // The same name
Ale_CreateAlert (Ale_INFO,NULL,
Txt_The_name_of_the_banner_X_has_not_changed,
CurrentBanName);
}
/***** Update name *****/
Str_Copy (CurrentBanName,NewBanName,
MaxBytes);
}
/*****************************************************************************/
/********************* Check if the name of banner exists ********************/
/*****************************************************************************/
static bool Ban_CheckIfBannerNameExists (const char *FieldName,const char *Name,long BanCod)
{
/***** Get number of banners with a name from database *****/
return (DB_QueryCOUNT ("can not check if the name of a banner"
" already existed",
"SELECT COUNT(*) FROM banners"
" WHERE %s='%s' AND BanCod<>%ld",
FieldName,Name,BanCod) != 0);
}
/*****************************************************************************/
/***************** Update banner name in table of banners ********************/
/*****************************************************************************/
static void Ban_UpdateBanNameDB (long BanCod,const char *FieldName,
const char *NewBanName)
{
/***** Update banner changing old name by new name *****/
DB_QueryUPDATE ("can not update the name of a banner",
"UPDATE banners SET %s='%s' WHERE BanCod=%ld",
FieldName,NewBanName,BanCod);
}
/*****************************************************************************/
/*********************** Change the image of a banner ************************/
/*****************************************************************************/
void Ban_ChangeBannerImg (void)
{
extern const char *Txt_The_new_image_is_X;
extern const char *Txt_You_can_not_leave_the_image_empty;
char NewImg[Ban_MAX_BYTES_IMAGE + 1];
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Get parameters from form *****/
/* Get the code of the banner */
if ((Ban_EditingBan->BanCod = Ban_GetParamBanCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of banner is missing.");
/* Get the new WWW for the banner */
Par_GetParToText ("Img",NewImg,Ban_MAX_BYTES_IMAGE);
/***** Get banner data from the database *****/
Ban_GetDataOfBannerByCod (Ban_EditingBan);
/***** Check if new image is empty *****/
if (NewImg[0])
{
/* Update the table changing old image by new image */
DB_QueryUPDATE ("can not update the image of a banner",
"UPDATE banners SET Img='%s' WHERE BanCod=%ld",
NewImg,Ban_EditingBan->BanCod);
/***** Write message to show the change made *****/
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_new_image_is_X,
NewImg);
}
else
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_can_not_leave_the_image_empty);
/***** Update image *****/
Str_Copy (Ban_EditingBan->Img,NewImg,
Ban_MAX_BYTES_IMAGE);
}
/*****************************************************************************/
/*********************** Change the WWW of a banner **************************/
/*****************************************************************************/
void Ban_ChangeBannerWWW (void)
{
extern const char *Txt_The_new_web_address_is_X;
extern const char *Txt_You_can_not_leave_the_web_address_empty;
char NewWWW[Cns_MAX_BYTES_WWW + 1];
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Get parameters from form *****/
/* Get the code of the banner */
if ((Ban_EditingBan->BanCod = Ban_GetParamBanCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of banner is missing.");
/* Get the new WWW for the banner */
Par_GetParToText ("WWW",NewWWW,Cns_MAX_BYTES_WWW);
/***** Get banner data from the database *****/
Ban_GetDataOfBannerByCod (Ban_EditingBan);
/***** Check if new WWW is empty *****/
if (NewWWW[0])
{
/* Update the table changing old WWW by new WWW */
DB_QueryUPDATE ("can not update the web of a banner",
"UPDATE banners SET WWW='%s' WHERE BanCod=%ld",
NewWWW,Ban_EditingBan->BanCod);
/***** Write message to show the change made *****/
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_The_new_web_address_is_X,
NewWWW);
}
else
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_can_not_leave_the_web_address_empty);
/***** Update web *****/
Str_Copy (Ban_EditingBan->WWW,NewWWW,
Cns_MAX_BYTES_WWW);
}
/*****************************************************************************/
/********* Show alerts after changing a banner and continue editing **********/
/*****************************************************************************/
void Ban_ContEditAfterChgBan (void)
{
/***** Write message to show the change made *****/
Ale_ShowAlerts (NULL);
/***** Show the form again *****/
Ban_EditBannersInternal ();
/***** Banner destructor *****/
Ban_EditingBannerDestructor ();
}
/*****************************************************************************/
/********************* Put a form to create a new banner *********************/
/*****************************************************************************/
static void Ban_PutFormToCreateBanner (void)
{
extern const char *Hlp_SYSTEM_Banners_edit;
extern const char *Txt_New_banner;
extern const char *Txt_Create_banner;
/***** Begin form *****/
Frm_StartForm (ActNewBan);
/***** Begin box and table *****/
Box_StartBoxTable (NULL,Txt_New_banner,NULL,
Hlp_SYSTEM_Banners_edit,Box_NOT_CLOSABLE,2);
/***** Write heading *****/
Ban_PutHeadBanners ();
/***** Banner code *****/
HTM_TR_Begin (NULL);
HTM_TD_Begin ("class=\"BM\"");
HTM_TD_End ();
HTM_TD_Begin ("class=\"BM\"");
HTM_TD_End ();
HTM_TD_Empty (1);
/***** Banner short name *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_TEXT ("ShortName",Ban_MAX_CHARS_SHRT_NAME,Ban_EditingBan->ShrtName,false,
"class=\"INPUT_SHORT_NAME\" required=\"required\"");
HTM_TD_End ();
/***** Banner full name *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_TEXT ("FullName",Ban_MAX_CHARS_FULL_NAME,Ban_EditingBan->FullName,false,
"class=\"INPUT_FULL_NAME\" required=\"required\"");
HTM_TD_End ();
/***** Banner image *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_TEXT ("Img",Ban_MAX_CHARS_IMAGE,Ban_EditingBan->Img,false,
"size=\"12\" required=\"required\"");
HTM_TD_End ();
/***** Banner WWW *****/
HTM_TD_Begin ("class=\"CM\"");
HTM_INPUT_URL ("WWW",Ban_EditingBan->WWW,false,
"class=\"INPUT_WWW\" required=\"required\"");
HTM_TD_End ();
HTM_TR_End ();
/***** End table, send button and end box *****/
Box_EndBoxTableWithButton (Btn_CREATE_BUTTON,Txt_Create_banner);
/***** End form *****/
Frm_EndForm ();
}
/*****************************************************************************/
/******************** Write header with fields of a banner *******************/
/*****************************************************************************/
static void Ban_PutHeadBanners (void)
{
extern const char *Txt_Code;
extern const char *Txt_Short_name;
extern const char *Txt_Full_name;
extern const char *Txt_Image;
extern const char *Txt_WWW;
HTM_TR_Begin (NULL);
HTM_TH (1,1,"BM",NULL);
HTM_TH (1,1,"BM",NULL);
HTM_TH (1,1,"RM",Txt_Code);
HTM_TH (1,1,"LM",Txt_Short_name);
HTM_TH (1,1,"LM",Txt_Full_name);
HTM_TH (1,1,"LM",Txt_Image);
HTM_TH (1,1,"LM",Txt_WWW);
HTM_TR_End ();
}
/*****************************************************************************/
/******************* Receive form to create a new banner *********************/
/*****************************************************************************/
void Ban_RecFormNewBanner (void)
{
extern const char *Txt_The_banner_X_already_exists;
extern const char *Txt_You_must_specify_the_image_of_the_new_banner;
extern const char *Txt_You_must_specify_the_URL_of_the_new_banner;
extern const char *Txt_Created_new_banner_X;
extern const char *Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_banner;
/***** Banner constructor *****/
Ban_EditingBannerConstructor ();
/***** Get parameters from form *****/
/* Get banner short name */
Par_GetParToText ("ShortName",Ban_EditingBan->ShrtName,Ban_MAX_BYTES_SHRT_NAME);
/* Get banner full name */
Par_GetParToText ("FullName",Ban_EditingBan->FullName,Ban_MAX_BYTES_FULL_NAME);
/* Get banner image */
Par_GetParToText ("Img",Ban_EditingBan->Img,Ban_MAX_BYTES_IMAGE);
/* Get banner URL */
Par_GetParToText ("WWW",Ban_EditingBan->WWW,Cns_MAX_BYTES_WWW);
if (Ban_EditingBan->ShrtName[0] &&
Ban_EditingBan->FullName[0]) // If there's a banner name
{
/***** If name of banner was in database... *****/
if (Ban_CheckIfBannerNameExists ("ShortName",Ban_EditingBan->ShrtName,-1L))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_banner_X_already_exists,
Ban_EditingBan->ShrtName);
else if (Ban_CheckIfBannerNameExists ("FullName",Ban_EditingBan->FullName,-1L))
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_The_banner_X_already_exists,
Ban_EditingBan->FullName);
else if (!Ban_EditingBan->Img[0])
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_must_specify_the_image_of_the_new_banner);
else if (!Ban_EditingBan->WWW[0])
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_must_specify_the_URL_of_the_new_banner);
else // Add new banner to database
{
Ban_CreateBanner (Ban_EditingBan);
Ale_CreateAlert (Ale_SUCCESS,Txt_Created_new_banner_X,
Ban_EditingBan->ShrtName);
}
}
else // If there is not a banner name
Ale_CreateAlert (Ale_WARNING,NULL,
Txt_You_must_specify_the_short_name_and_the_full_name_of_the_new_banner);
}
/*****************************************************************************/
/**************************** Create a new banner ****************************/
/*****************************************************************************/
static void Ban_CreateBanner (struct Banner *Ban)
{
/***** Create a new banner *****/
DB_QueryINSERT ("can not create banner",
"INSERT INTO banners"
" (Hidden,ShortName,FullName,Img,WWW)"
" VALUES"
" ('N','%s','%s','%s','%s')",
Ban->ShrtName,Ban->FullName,Ban->Img,Ban->WWW);
}
/*****************************************************************************/
/************************* Write menu with some banners **********************/
/*****************************************************************************/
void Ban_WriteMenuWithBanners (void)
{
MYSQL_RES *mysql_res;
unsigned long NumRows;
unsigned NumBan;
/***** Get random banner *****/
// The banner(s) will change once in a while
NumRows = DB_QuerySELECT (&mysql_res,"can not get banners",
"SELECT BanCod,Hidden,ShortName,FullName,Img,WWW"
" FROM banners"
" WHERE Hidden='N'"
" ORDER BY RAND(%lu) LIMIT %u",
(unsigned long) (Gbl.StartExecutionTimeUTC / Cfg_TIME_TO_CHANGE_BANNER),
Cfg_NUMBER_OF_BANNERS);
Ban_GetListBanners (&mysql_res,NumRows);
/***** Write all the banners *****/
for (NumBan = 0;
NumBan < Gbl.Banners.Num;
NumBan++)
{
/* Write data of this banner */
HTM_DIV_Begin ("class=\"CM\"");
Frm_StartForm (ActClkBan);
Ban_PutParamBanCod (Gbl.Banners.Lst[NumBan].BanCod);
Par_PutHiddenParamString (NULL,"URL",Gbl.Banners.Lst[NumBan].WWW);
HTM_INPUT_IMAGE (Cfg_URL_BANNER_PUBLIC,Gbl.Banners.Lst[NumBan].Img,
Gbl.Banners.Lst[NumBan].FullName,"BANNER");
Frm_EndForm ();
HTM_DIV_End ();
}
/***** Free list of banners *****/
Ban_FreeListBanners ();
}
/*****************************************************************************/
/************************* Go to a banner when clicked ***********************/
/*****************************************************************************/
void Ban_ClickOnBanner (void)
{
struct Banner Ban;
/***** Get banner code *****/
if ((Ban.BanCod = Ban_GetParamBanCod ()) == -1L)
Lay_ShowErrorAndExit ("Code of banner is missing.");
/***** Get data of the banner from database *****/
Ban_GetDataOfBannerByCod (&Ban);
/***** Set banner clicked in order to log it *****/
Gbl.Banners.BanCodClicked = Ban.BanCod;
/***** Download the file *****/
fprintf (stdout,"Location: %s\n\n",Ban.WWW);
// TODO: Put headers Content-type and Content-disposition:
// See: http://stackoverflow.com/questions/381954/how-do-i-fix-firefox-trying-to-save-image-as-htm
// http://elouai.com/force-download.php
Gbl.Layout.HTMLStartWritten =
Gbl.Layout.DivsEndWritten =
Gbl.Layout.HTMLEndWritten = true; // Don't write HTML at all
}
/*****************************************************************************/
/************************* Banner constructor/destructor **********************/
/*****************************************************************************/
static void Ban_EditingBannerConstructor (void)
{
/***** Pointer must be NULL *****/
if (Ban_EditingBan != NULL)
Lay_ShowErrorAndExit ("Error initializing banner.");
/***** Allocate memory for banner *****/
if ((Ban_EditingBan = (struct Banner *) malloc (sizeof (struct Banner))) == NULL)
Lay_ShowErrorAndExit ("Error allocating memory for banner.");
/***** Reset banner *****/
Ban_EditingBan->BanCod = -1L;
Ban_EditingBan->Hidden = true;
Ban_EditingBan->ShrtName[0] = '\0';
Ban_EditingBan->FullName[0] = '\0';
Ban_EditingBan->Img[0] = '\0';
Ban_EditingBan->WWW[0] = '\0';
}
static void Ban_EditingBannerDestructor (void)
{
/***** Free memory used for place *****/
if (Ban_EditingBan != NULL)
{
free (Ban_EditingBan);
Ban_EditingBan = NULL;
}
}
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