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swad-core/swad_photo.c

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// swad_photo.c: Users' photos management
/*
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) 1999-2024 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 ***********************************/
/*****************************************************************************/
#define _GNU_SOURCE // For asprintf
#include <linux/limits.h> // For PATH_MAX
#include <math.h> // For log10, floor, ceil, modf, sqrt...
#include <stddef.h> // For NULL
#include <stdio.h> // For asprintf
#include <stdlib.h> // For system, getenv, etc.
#include <string.h> // For string functions
#include <sys/wait.h> // For the macro WEXITSTATUS
#include <unistd.h> // For unlink
#include "swad_action.h"
#include "swad_action_list.h"
#include "swad_alert.h"
#include "swad_box.h"
#include "swad_browser.h"
#include "swad_config.h"
#include "swad_database.h"
#include "swad_enrolment.h"
#include "swad_error.h"
#include "swad_file.h"
#include "swad_follow.h"
#include "swad_form.h"
#include "swad_global.h"
#include "swad_hierarchy.h"
#include "swad_hierarchy_type.h"
#include "swad_HTML.h"
#include "swad_logo.h"
#include "swad_parameter.h"
#include "swad_parameter_code.h"
#include "swad_photo.h"
#include "swad_photo_database.h"
#include "swad_privacy.h"
#include "swad_setting.h"
#include "swad_setting_database.h"
#include "swad_statistic.h"
#include "swad_theme.h"
#include "swad_user.h"
/*****************************************************************************/
/************** External global variables from others modules ****************/
/*****************************************************************************/
extern struct Globals Gbl;
/*****************************************************************************/
/***************************** Private constants *****************************/
/*****************************************************************************/
static const char *Pho_StrAvgPhotoDirs[Pho_NUM_AVERAGE_PHOTO_TYPES] =
{
Cfg_FOLDER_DEGREE_PHOTO_MEDIAN,
Cfg_FOLDER_DEGREE_PHOTO_AVERAGE,
};
static const char *Pho_StrAvgPhotoPrograms[Pho_NUM_AVERAGE_PHOTO_TYPES] =
{
Cfg_COMMAND_DEGREE_PHOTO_MEDIAN,
Cfg_COMMAND_DEGREE_PHOTO_AVERAGE,
};
/*****************************************************************************/
/***************************** Private prototypes ****************************/
/*****************************************************************************/
static void Pho_PutIconToReqRemMyPhoto (__attribute__((unused)) void *Args);
static void Pho_PutIconToReqRemOtherUsrPhoto (__attribute__((unused)) void *Args);
static void Pho_ReqOtherUsrPhoto (void);
static void Pho_ReqPhoto (const struct Usr_Data *UsrDat);
static bool Pho_ReceivePhotoAndDetectFaces (Usr_MeOrOther_t MeOrOther,
const struct Usr_Data *UsrDat);
static void Pho_ChangePhoto1 (struct Usr_Data *UsrDat);
static void Pho_ChangePhoto2 (void);
static long Pho_GetDegWithAvgPhotoLeastRecentlyUpdated (void);
static long Pho_GetTimeAvgPhotoWasComputed (long DegCod);
static long Pho_GetTimeToComputeAvgPhoto (long DegCod);
static void Pho_ComputeAveragePhoto (long DegCod,Usr_Sex_t Sex,Rol_Role_t Role,
Pho_AvgPhotoTypeOfAverage_t TypeOfAverage,const char *DirAvgPhotosRelPath,
unsigned *NumStds,unsigned *NumStdsWithPhoto,long *TimeToComputeAvgPhotoInMicroseconds);
static void Pho_ShowOrPrintPhotoDegree (Pho_AvgPhotoSeeOrPrint_t SeeOrPrint);
static void Pho_PutParsDegPhoto (void *DegPhotos);
static void Pho_PutSelectorForTypeOfAvg (const struct Pho_DegPhotos *DegPhotos);
static Pho_AvgPhotoTypeOfAverage_t Pho_GetPhotoAvgTypeFromForm (void);
static void Pho_PutSelectorForHowComputePhotoSize (const struct Pho_DegPhotos *DegPhotos);
static Pho_HowComputePhotoSize_t Pho_GetHowComputePhotoSizeFromForm (void);
static void Pho_PutSelectorForHowOrderDegrees (const struct Pho_DegPhotos *DegPhotos);
static Pho_HowOrderDegrees_t Pho_GetHowOrderDegreesFromForm (void);
static void Pho_PutIconToPrintDegreeStats (void *DegPhotos);
static void Pho_PutLinkToPrintViewOfDegreeStatsPars (void *DegPhotos);
static void Pho_PutLinkToCalculateDegreeStats (const struct Pho_DegPhotos *DegPhotos);
static void Pho_GetMaxStdsPerDegree (struct Pho_DegPhotos *DegPhotos);
static void Pho_ShowOrPrintClassPhotoDegrees (struct Pho_DegPhotos *DegPhotos,
Pho_AvgPhotoSeeOrPrint_t SeeOrPrint);
static void Pho_GetNumStdsInDegree (long DegCod,Usr_Sex_t Sex,
int *NumStds,int *NumStdsWithPhoto);
static void Pho_ShowOrPrintListDegrees (struct Pho_DegPhotos *DegPhotos,
Pho_AvgPhotoSeeOrPrint_t SeeOrPrint);
static void Pho_ShowDegreeStat (int NumStds,int NumStdsWithPhoto);
static void Pho_ShowDegreeAvgPhotoAndStat (const struct Hie_Node *Deg,
const struct Pho_DegPhotos *DegPhotos,
Pho_AvgPhotoSeeOrPrint_t SeeOrPrint,
Usr_Sex_t Sex,
int NumStds,int NumStdsWithPhoto);
static void Pho_ComputePhotoSize (const struct Pho_DegPhotos *DegPhotos,
int NumStds,int NumStdsWithPhoto,
unsigned *PhotoWidth,unsigned *PhotoHeight);
/*****************************************************************************/
/************** Check if I can change the photo of another user **************/
/*****************************************************************************/
Usr_Can_t Pho_ICanChangeOtherUsrPhoto (struct Usr_Data *UsrDat)
{
/***** I can change my photo *****/
if (Usr_ItsMe (UsrDat->UsrCod) == Usr_ME)
return Usr_CAN;
/***** Check if I have permission to change user's photo *****/
switch (Gbl.Usrs.Me.Role.Logged)
{
case Rol_TCH:
/* A teacher can change the photo of confirmed students */
if (UsrDat->Roles.InCurrentCrs != Rol_STD) // Not a student
return Usr_CAN_NOT;
/* It's a student in this course,
check if he/she has accepted registration */
return (UsrDat->Accepted = Enr_CheckIfUsrHasAcceptedInCurrentCrs (UsrDat)) ? Usr_CAN :
Usr_CAN_NOT;
case Rol_DEG_ADM:
case Rol_CTR_ADM:
case Rol_INS_ADM:
case Rol_SYS_ADM:
return Usr_CheckIfICanEditOtherUsr (UsrDat);
default:
return Usr_CAN_NOT;
}
}
/*****************************************************************************/
/********** Put a link to the action used to request user's photo ************/
/*****************************************************************************/
void Pho_PutIconToChangeUsrPhoto (struct Usr_Data *UsrDat)
{
static Act_Action_t NextAction[Rol_NUM_ROLES] =
{
[Rol_UNK ] = ActReqOthPho,
[Rol_GST ] = ActReqOthPho,
[Rol_USR ] = ActReqOthPho,
[Rol_STD ] = ActReqStdPho,
[Rol_NET ] = ActReqTchPho,
[Rol_TCH ] = ActReqTchPho,
[Rol_DEG_ADM] = ActReqOthPho,
[Rol_CTR_ADM] = ActReqOthPho,
[Rol_INS_ADM] = ActReqOthPho,
[Rol_SYS_ADM] = ActReqOthPho,
};
/***** Link for changing / uploading the photo *****/
switch (Usr_ItsMe (UsrDat->UsrCod))
{
case Usr_ME:
Lay_PutContextualLinkOnlyIcon (ActReqMyPho,NULL,
NULL,NULL,
"camera.svg",Ico_BLACK);
break;
case Usr_OTHER:
if (Pho_ICanChangeOtherUsrPhoto (UsrDat) == Usr_CAN)
Lay_PutContextualLinkOnlyIcon (NextAction[UsrDat->Roles.InCurrentCrs],NULL,
Rec_PutParUsrCodEncrypted,NULL,
"camera.svg",Ico_BLACK);
break;
}
}
/*****************************************************************************/
/************** Put a link to request the removal of my photo ****************/
/*****************************************************************************/
static void Pho_PutIconToReqRemMyPhoto (__attribute__((unused)) void *Args)
{
if (Gbl.Usrs.Me.MyPhotoExists)
Lay_PutContextualLinkOnlyIcon (ActReqRemMyPho,NULL,
NULL,NULL,
"trash.svg",Ico_RED);
}
/*****************************************************************************/
/********** Put a link to request the removal of a user's photo **************/
/*****************************************************************************/
static void Pho_PutIconToReqRemOtherUsrPhoto (__attribute__((unused)) void *Args)
{
char PhotoURL[WWW_MAX_BYTES_WWW + 1];
bool PhotoExists;
static Act_Action_t NextAction[Rol_NUM_ROLES] =
{
[Rol_UNK ] = ActReqRemOthPho,
[Rol_GST ] = ActReqRemOthPho,
[Rol_USR ] = ActReqRemOthPho,
[Rol_STD ] = ActReqRemStdPho,
[Rol_NET ] = ActReqRemTchPho,
[Rol_TCH ] = ActReqRemTchPho,
[Rol_DEG_ADM] = ActReqRemOthPho,
[Rol_CTR_ADM] = ActReqRemOthPho,
[Rol_INS_ADM] = ActReqRemOthPho,
[Rol_SYS_ADM] = ActReqRemOthPho,
};
/***** Link to request the removal of another user's photo *****/
PhotoExists = Pho_BuildLinkToPhoto (&Gbl.Usrs.Other.UsrDat,PhotoURL);
if (PhotoExists)
Lay_PutContextualLinkOnlyIcon (NextAction[Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs],NULL,
Usr_PutParOtherUsrCodEncrypted,Gbl.Usrs.Other.UsrDat.EnUsrCod,
"trash.svg",Ico_RED);
}
/*****************************************************************************/
/************************ Form for sending my photo **************************/
/*****************************************************************************/
void Pho_ReqMyPhoto (void)
{
/***** Show the form for sending the photo *****/
Pho_ReqPhoto (&Gbl.Usrs.Me.UsrDat);
HTM_BR ();
/***** Show my record and other data *****/
Rec_ShowMySharedRecordAndMore ();
}
/*****************************************************************************/
/******************* Form for sending other user's photo *********************/
/*****************************************************************************/
static void Pho_ReqOtherUsrPhoto (void)
{
/***** Show the form to send another user's photo *****/
Pho_ReqPhoto (&Gbl.Usrs.Other.UsrDat);
HTM_BR ();
/***** Show another user's record card *****/
Rec_ShowPublicSharedRecordOtherUsr ();
}
/*****************************************************************************/
/****************** Show a form for sending an user's photo ******************/
/*****************************************************************************/
static void Pho_ReqPhoto (const struct Usr_Data *UsrDat)
{
extern const char *Hlp_PROFILE_Photo;
extern const char *Txt_Photo;
extern const char *Txt_You_can_send_a_file_with_an_image_in_JPEG_format_;
extern const char *Txt_File_with_the_photo;
static Act_Action_t NextAction[Rol_NUM_ROLES] =
{
[Rol_UNK ] = ActDetOthPho,
[Rol_GST ] = ActDetOthPho,
[Rol_USR ] = ActDetOthPho,
[Rol_STD ] = ActDetStdPho,
[Rol_NET ] = ActDetTchPho,
[Rol_TCH ] = ActDetTchPho,
[Rol_DEG_ADM] = ActDetOthPho,
[Rol_CTR_ADM] = ActDetOthPho,
[Rol_INS_ADM] = ActDetOthPho,
[Rol_SYS_ADM] = ActDetOthPho,
};
static void (*FunctionToDrawContextualIcons[Usr_NUM_ME_OR_OTHER]) (void *Args) =
{
[Usr_ME ] = Pho_PutIconToReqRemMyPhoto,
[Usr_OTHER] = Pho_PutIconToReqRemOtherUsrPhoto
};
Usr_MeOrOther_t MeOrOther = Usr_ItsMe (UsrDat->UsrCod);
/***** Begin box *****/
Box_BoxBegin (Txt_Photo,FunctionToDrawContextualIcons[MeOrOther],NULL,
Hlp_PROFILE_Photo,Box_NOT_CLOSABLE);
/***** Begin form *****/
switch (MeOrOther)
{
case Usr_ME:
Frm_BeginForm (ActDetMyPho);
break;
case Usr_OTHER:
Frm_BeginForm (NextAction[Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs]);
Usr_PutParUsrCodEncrypted (UsrDat->EnUsrCod);
break;
}
/***** Show help message *****/
Ale_ShowAlert (Ale_INFO,Txt_You_can_send_a_file_with_an_image_in_JPEG_format_);
/***** Form to upload photo *****/
HTM_LABEL_Begin ("class=\"FORM_IN_%s\"",The_GetSuffix ());
HTM_TxtColonNBSP (Txt_File_with_the_photo);
HTM_INPUT_FILE (Fil_NAME_OF_PARAM_FILENAME_ORG,"image/*",
HTM_SUBMIT_ON_CHANGE,NULL);
HTM_LABEL_End ();
/***** End form *****/
Frm_EndForm ();
/***** End box *****/
Box_BoxEnd ();
}
/*****************************************************************************/
/*********************** Send another user's photograph **********************/
/*****************************************************************************/
void Pho_SendPhotoUsr (void)
{
/***** Get user whose photo must be sent or removed *****/
if (!Usr_GetParOtherUsrCodEncryptedAndGetUsrData ())
{ // User not found
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
return;
}
/***** Check if I have permission to change user's photo *****/
if (Pho_ICanChangeOtherUsrPhoto (&Gbl.Usrs.Other.UsrDat) == Usr_CAN_NOT)
{
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
return;
}
switch (Usr_ItsMe (Gbl.Usrs.Other.UsrDat.UsrCod))
{
case Usr_ME:
/***** Form to send my photo *****/
Pho_ReqMyPhoto ();
break;
case Usr_OTHER:
/***** Form to send another user's photo *****/
Pho_ReqOtherUsrPhoto ();
break;
}
}
/*****************************************************************************/
/**************** Receive my photo and detect faces on it ********************/
/*****************************************************************************/
void Pho_RecMyPhotoDetFaces (void)
{
/***** Receive my photo and detect faces on it *****/
if (!Pho_ReceivePhotoAndDetectFaces (Usr_ME,&Gbl.Usrs.Me.UsrDat))
{
Pho_ReqPhoto (&Gbl.Usrs.Me.UsrDat); // Request my photograph again
HTM_BR ();
}
/***** Show my record and other data *****/
Rec_ShowMySharedRecordAndMore ();
}
/*****************************************************************************/
/********** Receive another user's photo and detect faces on it **************/
/*****************************************************************************/
void Pho_RecOtherUsrPhotoDetFaces (void)
{
/***** Get user's code from form *****/
Usr_GetParOtherUsrCodEncryptedAndGetListIDs ();
/***** Get password, user type and user's data from database *****/
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&Gbl.Usrs.Other.UsrDat,
Usr_DONT_GET_PREFS,
Usr_DONT_GET_ROLE_IN_CRS))
{
/***** Receive photo *****/
if (!Pho_ReceivePhotoAndDetectFaces (Usr_OTHER,&Gbl.Usrs.Other.UsrDat))
{
Pho_ReqPhoto (&Gbl.Usrs.Other.UsrDat); // Request user's photograph again
HTM_BR ();
}
/***** Show another user's record card *****/
Rec_ShowPublicSharedRecordOtherUsr ();
}
else
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
}
/*****************************************************************************/
/********************** Request the removal of my photo **********************/
/*****************************************************************************/
void Pho_ReqRemMyPhoto (void)
{
extern const char *Txt_Do_you_really_want_to_remove_your_photo;
extern const char *Txt_Remove;
extern const char *Txt_The_photo_no_longer_exists;
static const char *ClassPhoto[PhoSha_NUM_SHAPES] =
{
[PhoSha_SHAPE_CIRCLE ] = "PHOTOR186x248",
[PhoSha_SHAPE_ELLIPSE ] = "PHOTOR186x248",
[PhoSha_SHAPE_OVAL ] = "PHOTOR186x248",
[PhoSha_SHAPE_RECTANGLE] = "PHOTOR186x248",
};
/***** Show current photo and help message *****/
if (Pho_BuildLinkToPhoto (&Gbl.Usrs.Me.UsrDat,Gbl.Usrs.Me.PhotoURL))
{
/***** Show question and button to remove my photo *****/
/* Begin alert */
Ale_ShowAlertAndButtonBegin (Ale_QUESTION,Txt_Do_you_really_want_to_remove_your_photo);
/* Show current photo */
Pho_ShowUsrPhoto (&Gbl.Usrs.Me.UsrDat,Gbl.Usrs.Me.PhotoURL,
ClassPhoto[Gbl.Prefs.PhotoShape],Pho_NO_ZOOM);
/* End alert */
Ale_ShowAlertAndButtonEnd (ActRemMyPho,NULL,NULL,
NULL,NULL,
Btn_REMOVE_BUTTON,Txt_Remove);
}
else
Ale_ShowAlert (Ale_INFO,Txt_The_photo_no_longer_exists);
/***** Show my record and other data *****/
Rec_ShowMySharedRecordAndMore ();
}
/*****************************************************************************/
/****************************** Remove my photo ******************************/
/*****************************************************************************/
void Pho_RemoveMyPhoto1 (void)
{
/***** Remove photo *****/
Pho_RemovePhoto (&Gbl.Usrs.Me.UsrDat);
/***** The link to my photo is not valid now, so build it again before writing the web page *****/
Gbl.Usrs.Me.MyPhotoExists = Pho_BuildLinkToPhoto (&Gbl.Usrs.Me.UsrDat,Gbl.Usrs.Me.PhotoURL);
}
void Pho_RemoveMyPhoto2 (void)
{
/***** Write success / warning message *****/
Ale_ShowAlerts (NULL);
/***** Show my record and other data *****/
Rec_ShowMySharedRecordAndMore ();
}
/*****************************************************************************/
/**************** Request the removal of another user's photo ****************/
/*****************************************************************************/
void Pho_ReqRemUsrPhoto (void)
{
extern const char *Txt_Photo;
extern const char *Txt_Do_you_really_want_to_remove_the_photo_of_X;
extern const char *Txt_Remove;
extern const char *Txt_The_photo_no_longer_exists;
static Act_Action_t NextAction[Rol_NUM_ROLES] =
{
[Rol_UNK ] = ActRemOthPho,
[Rol_GST ] = ActRemOthPho,
[Rol_USR ] = ActRemOthPho,
[Rol_STD ] = ActRemStdPho,
[Rol_NET ] = ActRemTchPho,
[Rol_TCH ] = ActRemTchPho,
[Rol_DEG_ADM] = ActRemOthPho,
[Rol_CTR_ADM] = ActRemOthPho,
[Rol_INS_ADM] = ActRemOthPho,
[Rol_SYS_ADM] = ActRemOthPho,
};
static const char *ClassPhoto[PhoSha_NUM_SHAPES] =
{
[PhoSha_SHAPE_CIRCLE ] = "PHOTOC186x248",
[PhoSha_SHAPE_ELLIPSE ] = "PHOTOE186x248",
[PhoSha_SHAPE_OVAL ] = "PHOTOO186x248",
[PhoSha_SHAPE_RECTANGLE] = "PHOTOR186x248",
};
char PhotoURL[WWW_MAX_BYTES_WWW + 1];
/***** Get user's code from form *****/
Usr_GetParOtherUsrCodEncryptedAndGetListIDs ();
/***** Get password, user type and user's data from database *****/
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&Gbl.Usrs.Other.UsrDat,
Usr_DONT_GET_PREFS,
Usr_DONT_GET_ROLE_IN_CRS))
switch (Pho_ICanChangeOtherUsrPhoto (&Gbl.Usrs.Other.UsrDat))
{
case Usr_CAN:
/***** Show current photo and help message *****/
if (Pho_BuildLinkToPhoto (&Gbl.Usrs.Other.UsrDat,PhotoURL))
{
/***** Show question and button to remove user's photo *****/
/* Begin alert */
Ale_ShowAlertAndButtonBegin (Ale_QUESTION,Txt_Do_you_really_want_to_remove_the_photo_of_X,
Gbl.Usrs.Other.UsrDat.FullName);
/* Show current photo */
Pho_ShowUsrPhoto (&Gbl.Usrs.Other.UsrDat,PhotoURL,
ClassPhoto[Gbl.Prefs.PhotoShape],Pho_NO_ZOOM);
/* End alert */
Ale_ShowAlertAndButtonEnd (NextAction[Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs],NULL,NULL,
Usr_PutParOtherUsrCodEncrypted,Gbl.Usrs.Other.UsrDat.EnUsrCod,
Btn_REMOVE_BUTTON,Txt_Remove);
}
else
Ale_ShowAlert (Ale_INFO,Txt_The_photo_no_longer_exists);
break;
case Usr_CAN_NOT:
default:
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
break;
}
else
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
/***** Show another user's record card *****/
Rec_ShowPublicSharedRecordOtherUsr ();
}
/*****************************************************************************/
/************************ Remove another user's photo ************************/
/*****************************************************************************/
void Pho_RemoveUsrPhoto (void)
{
/***** Get user's code from form *****/
Usr_GetParOtherUsrCodEncryptedAndGetListIDs ();
/***** Get password, user type and user's data from database *****/
if (Usr_ChkUsrCodAndGetAllUsrDataFromUsrCod (&Gbl.Usrs.Other.UsrDat,
Usr_DONT_GET_PREFS,
Usr_DONT_GET_ROLE_IN_CRS))
{
/***** Remove photo *****/
if (Pho_RemovePhoto (&Gbl.Usrs.Other.UsrDat))
Ale_ShowAlerts (NULL);
}
else
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
/***** Show another user's record card *****/
Rec_ShowPublicSharedRecordOtherUsr ();
}
/*****************************************************************************/
/***************** Receive a photo and detect faces on it ********************/
/*****************************************************************************/
// Return false if no "green" faces detected
static bool Pho_ReceivePhotoAndDetectFaces (Usr_MeOrOther_t MeOrOther,
const struct Usr_Data *UsrDat)
{
extern const char *Txt_The_file_is_not_X;
extern const char *Txt_Could_not_detect_any_face_in_front_position_;
extern const char *Txt_A_face_marked_in_green_has_been_detected_;
extern const char *Txt_A_face_marked_in_red_has_been_detected_;
extern const char *Txt_X_faces_marked_in_green_have_been_detected_;
extern const char *Txt_X_faces_marked_in_red_have_been_detected_;
extern const char *Txt_X_faces_have_been_detected_in_front_position_1_Z_;
extern const char *Txt_X_faces_have_been_detected_in_front_position_Y_Z_;
extern const char *Txt_Faces_detected;
char PathPhotosPriv[PATH_MAX + 1];
struct Par_Param *Par;
char FileNamePhotoSrc[PATH_MAX + 1];
char FileNamePhotoTmp[PATH_MAX + 1]; // Full name (including path and .jpg) of the destination temporary file
char FileNamePhotoMap[PATH_MAX + 1]; // Full name (including path) of the temporary file with the original image with faces
char FileNameTxtMap[PATH_MAX + 1]; // Full name (including path) of the temporary file with the text neccesary to make the image map
const char *UniqueNameEncrypted = Cry_GetUniqueNameEncrypted ();
char PathRelPhoto[PATH_MAX + 1];
FILE *FileTxtMap = NULL; // Temporary file with the text neccesary to make the image map. Initialized to avoid warning
char MIMEType[Brw_MAX_BYTES_MIME_TYPE + 1];
bool WrongType = false;
char Command[256 + PATH_MAX]; // Command to call the program of preprocessing of photos
int ReturnCode;
char FormId[32];
struct
{
unsigned Green;
unsigned Red;
unsigned Total;
} NumFaces;
unsigned X;
unsigned Y;
unsigned Radius;
unsigned BackgroundCode;
char StrFileName[NAME_MAX + 1];
static Act_Action_t NextAction[Rol_NUM_ROLES] =
{
[Rol_UNK ] = ActChgOthPho,
[Rol_GST ] = ActChgOthPho,
[Rol_USR ] = ActChgOthPho,
[Rol_STD ] = ActChgStdPho,
[Rol_NET ] = ActChgTchPho,
[Rol_TCH ] = ActChgTchPho,
[Rol_DEG_ADM] = ActChgOthPho,
[Rol_CTR_ADM] = ActChgOthPho,
[Rol_INS_ADM] = ActChgOthPho,
[Rol_SYS_ADM] = ActChgOthPho,
};
Act_Action_t ActChgPho[Rol_NUM_ROLES] =
{
[Usr_ME ] = ActUpdMyPho,
[Usr_OTHER] = NextAction[Gbl.Usrs.Other.UsrDat.Roles.InCurrentCrs]
};
char ErrorTxt[256];
char *Icon;
/***** Creates directories if not exist *****/
Fil_CreateDirIfNotExists (Cfg_PATH_PHOTO_PRIVATE);
snprintf (PathPhotosPriv,sizeof (PathPhotosPriv),"%s/%02u",
Cfg_PATH_PHOTO_PRIVATE,(unsigned) (UsrDat->UsrCod % 100));
Fil_CreateDirIfNotExists (PathPhotosPriv);
/***** Create directories if not exists
and remove old temporary files *****/
/* Create public directory for photos */
Fil_CreateDirIfNotExists (Cfg_PATH_PHOTO_PUBLIC);
/* Create temporary directory for photos */
Fil_CreateDirIfNotExists (Cfg_PATH_PHOTO_TMP_PUBLIC);
/***** First of all, copy in disk the file received *****/
Par = Fil_StartReceptionOfFile (Fil_NAME_OF_PARAM_FILENAME_ORG,
FileNamePhotoSrc,MIMEType);
/* Check if the file type is image/jpeg or image/pjpeg or application/octet-stream */
if (strcmp (MIMEType,"image/jpeg"))
if (strcmp (MIMEType,"image/pjpeg"))
if (strcmp (MIMEType,"application/octet-stream"))
if (strcmp (MIMEType,"application/octetstream"))
if (strcmp (MIMEType,"application/octet"))
WrongType = true;
if (WrongType)
{
Ale_ShowAlert (Ale_WARNING,Txt_The_file_is_not_X,
"jpg");
return false;
}
/* End the reception of photo in a temporary file */
snprintf (FileNamePhotoTmp,sizeof (FileNamePhotoTmp),"%s/%s.jpg",
Cfg_PATH_PHOTO_TMP_PUBLIC,UniqueNameEncrypted);
if (!Fil_EndReceptionOfFile (FileNamePhotoTmp,Par))
{
Ale_ShowAlert (Ale_ERROR,"Error copying file.");
return false;
}
/* Copy the original photo received to private directory.
The purpose of this copy is only to have a backup used for researching better methods to detect faces in images */
snprintf (PathRelPhoto,sizeof (PathRelPhoto),"%s/%02u/%ld_original.jpg",
Cfg_PATH_PHOTO_PRIVATE,
(unsigned) (UsrDat->UsrCod % 100),UsrDat->UsrCod);
Fil_FastCopyOfFiles (FileNamePhotoTmp,PathRelPhoto);
/***** Call to program that makes photo processing / face detection *****/
snprintf (Command,sizeof (Command),Cfg_COMMAND_FACE_DETECTION,
FileNamePhotoTmp);
ReturnCode = system (Command);
if (ReturnCode == -1)
Err_ShowErrorAndExit ("Error when running command to process photo and detect faces.");
/***** Write message depending on return code *****/
ReturnCode = WEXITSTATUS(ReturnCode);
NumFaces.Green = NumFaces.Red = 0;
switch (ReturnCode)
{
case 0: // Faces detected
/***** Open text file with text for image map *****/
snprintf (FileNameTxtMap,sizeof (FileNameTxtMap),"%s/%s_map.txt",
Cfg_PATH_PHOTO_TMP_PUBLIC,UniqueNameEncrypted);
if ((FileTxtMap = fopen (FileNameTxtMap,"rb")) == NULL)
Err_ShowErrorAndExit ("Can not read text file with coordinates of detected faces.");
/***** Read file with coordinates for image map and compute the number of faces *****/
while (!feof (FileTxtMap))
{
if (fscanf (FileTxtMap,"%u %u %u %u %s\n",&X,&Y,&Radius,&BackgroundCode,StrFileName) != 5) // Example of StrFileName = "4924a838630e_016"
break;
if (BackgroundCode == 1)
{
snprintf (FormId,sizeof (FormId),"photo_%u",++NumFaces.Green);
Frm_BeginFormId (ActChgPho[MeOrOther],FormId);
if (MeOrOther == Usr_OTHER)
Usr_PutParUsrCodEncrypted (Gbl.Usrs.Other.UsrDat.EnUsrCod);
Par_PutParString (NULL,"FileName",StrFileName);
Frm_EndForm ();
}
else
NumFaces.Red++;
}
break;
case 1: // No faces detected
break;
default: // Error
snprintf (ErrorTxt,sizeof (ErrorTxt),
"Photo could not be processed successfully.<br />"
"Error code returned by the program of processing: %d",
ReturnCode);
Err_ShowErrorAndExit (ErrorTxt);
break;
}
NumFaces.Total = NumFaces.Green + NumFaces.Red;
/***** Begin alert to the user about the number of faces detected in the image *****/
if (NumFaces.Total == 0)
Ale_ShowAlertAndButtonBegin (Ale_WARNING,Txt_Could_not_detect_any_face_in_front_position_);
else if (NumFaces.Total == 1)
{
if (NumFaces.Green == 1)
Ale_ShowAlertAndButtonBegin (Ale_SUCCESS,Txt_A_face_marked_in_green_has_been_detected_);
else
Ale_ShowAlertAndButtonBegin (Ale_WARNING,Txt_A_face_marked_in_red_has_been_detected_);
}
else // NumFacesTotal > 1
{
if (NumFaces.Red == 0)
Ale_ShowAlertAndButtonBegin (Ale_SUCCESS,Txt_X_faces_marked_in_green_have_been_detected_,
NumFaces.Green);
else if (NumFaces.Green == 0)
Ale_ShowAlertAndButtonBegin (Ale_WARNING,Txt_X_faces_marked_in_red_have_been_detected_,
NumFaces.Red);
else // NumFaces.Green > 0
{
if (NumFaces.Green == 1)
Ale_ShowAlertAndButtonBegin (Ale_SUCCESS,Txt_X_faces_have_been_detected_in_front_position_1_Z_,
NumFaces.Total,NumFaces.Red);
else
Ale_ShowAlertAndButtonBegin (Ale_SUCCESS,Txt_X_faces_have_been_detected_in_front_position_Y_Z_,
NumFaces.Total,NumFaces.Green,NumFaces.Red);
}
}
/***** Create map *****/
HTM_Txt ("<map name=\"faces_map\">\n");
if (NumFaces.Total)
{
/***** Read again the file with coordinates and create area shapes *****/
rewind (FileTxtMap);
NumFaces.Green = 0;
while (!feof (FileTxtMap))
{
if (fscanf (FileTxtMap,"%u %u %u %u %s\n",&X,&Y,&Radius,&BackgroundCode,StrFileName) != 5)
break;
if (BackgroundCode == 1)
{
snprintf (FormId,sizeof (FormId),"photo_%u",++NumFaces.Green);
HTM_TxtF ("<area shape=\"circle\""
" href=\"\""
" onclick=\"document.getElementById('%s').submit();return false;\""
" coords=\"%u,%u,%u\">\n",
FormId,X,Y,Radius);
}
}
/***** Close text file with text for image map *****/
fclose (FileTxtMap);
}
HTM_Txt ("</map>\n");
/***** Show map photo *****/
snprintf (FileNamePhotoMap,sizeof (FileNamePhotoMap),"%s/%s_map.jpg",
Cfg_PATH_PHOTO_TMP_PUBLIC,UniqueNameEncrypted);
HTM_DIV_Begin ("class=\"TIT CM\"");
if (asprintf (&Icon,"%s_map.jpg",UniqueNameEncrypted) < 0)
Err_NotEnoughMemoryExit ();
HTM_IMG (Cfg_URL_PHOTO_TMP_PUBLIC,Icon,Txt_Faces_detected,"usemap=\"#faces_map\"");
free (Icon);
HTM_DIV_End ();
/***** End alert *****/
Ale_ShowAlertAndButtonEnd (ActUnk,NULL,NULL,
NULL,NULL,
Btn_NO_BUTTON,NULL);
/***** Button to send another photo *****/
return (NumFaces.Green != 0);
}
/*****************************************************************************/
/***************************** Update my photo *******************************/
/*****************************************************************************/
void Pho_UpdateMyPhoto1 (void)
{
Pho_ChangePhoto1 (&Gbl.Usrs.Me.UsrDat);
/***** The link to my photo is not valid now, so build it again before writing the web page *****/
Gbl.Usrs.Me.MyPhotoExists = Pho_BuildLinkToPhoto (&Gbl.Usrs.Me.UsrDat,Gbl.Usrs.Me.PhotoURL);
}
void Pho_UpdateMyPhoto2 (void)
{
Pho_ChangePhoto2 ();
/***** Show my record and other data *****/
Rec_ShowMySharedRecordAndMore ();
}
/*****************************************************************************/
/*********************** Change another user's photo *************************/
/*****************************************************************************/
void Pho_ChangeUsrPhoto1 (void)
{
/***** Get user's code from form and user's data *****/
if (Usr_GetParOtherUsrCodEncryptedAndGetUsrData ())
Pho_ChangePhoto1 (&Gbl.Usrs.Other.UsrDat);
else
Ale_ShowAlertUserNotFoundOrYouDoNotHavePermission ();
}
void Pho_ChangeUsrPhoto2 (void)
{
Pho_ChangePhoto2 ();
/***** Show another user's record card *****/
Rec_ShowPublicSharedRecordOtherUsr ();
}
/*****************************************************************************/
/*************** Change a user's photo with a selected face ******************/
/*****************************************************************************/
static void Pho_ChangePhoto1 (struct Usr_Data *UsrDat)
{
extern const char *Txt_Photo_has_been_updated;
char PathPhotoTmp[PATH_MAX + 1]; // Full name (including path and .jpg) of the temporary file with the selected face
char PathRelPhoto[PATH_MAX + 1];
/***** Get the name of the file with the selected face *****/
Par_GetParText ("FileName",Gbl.Usrs.FileNamePhoto,NAME_MAX); // Example of FileNamePhoto: "4924a838630e_016"
/***** Convert the temporary photo resulting of the processing to the current photo of the user *****/
snprintf (PathPhotoTmp,sizeof (PathPhotoTmp),"%s/%s_paso3.jpg",
Cfg_PATH_PHOTO_TMP_PUBLIC,Gbl.Usrs.FileNamePhoto);
if (Fil_CheckIfPathExists (PathPhotoTmp)) // The file with the selected photo exists
{
/* Copy the temporary file of the third (last) step resulting of the processing to the directory of private photos */
snprintf (PathRelPhoto,sizeof (PathRelPhoto),"%s/%02u/%ld.jpg",
Cfg_PATH_PHOTO_PRIVATE,
(unsigned) (UsrDat->UsrCod % 100),UsrDat->UsrCod);
Fil_FastCopyOfFiles (PathPhotoTmp,PathRelPhoto);
/* Update public photo name in database */
Pho_UpdatePhotoName (UsrDat);
/* Remove the user from the list of users without photo */
Pho_DB_RemoveUsrFromTableClicksWithoutPhoto (UsrDat->UsrCod);
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_Photo_has_been_updated);
}
else
Ale_CreateAlert (Ale_ERROR,NULL,
"Error updating photo.");
}
static void Pho_ChangePhoto2 (void)
{
extern const char *Txt_PHOTO_PROCESSING_CAPTIONS[3];
unsigned NumPhoto;
char *Img;
/***** Begin alert *****/
Ale_ShowLastAlertAndButtonBegin ();
/***** Show the three images resulting of the processing *****/
HTM_TABLE_BeginWide ();
HTM_TR_Begin (NULL);
for (NumPhoto = 0;
NumPhoto < 3;
NumPhoto++)
{
HTM_TD_Begin ("class=\"CT DAT_%s\" style=\"width:33%%;\"",
The_GetSuffix ());
if (asprintf (&Img,"%s_paso%u.jpg",Gbl.Usrs.FileNamePhoto,NumPhoto + 1) < 0)
Err_NotEnoughMemoryExit ();
HTM_IMG (Cfg_URL_PHOTO_TMP_PUBLIC,Img,Txt_PHOTO_PROCESSING_CAPTIONS[NumPhoto],
"style=\"width:%upx;height:%upx;\"",
Pho_PHOTO_REAL_WIDTH,Pho_PHOTO_REAL_HEIGHT);
free (Img);
HTM_BR ();
HTM_Txt (Txt_PHOTO_PROCESSING_CAPTIONS[NumPhoto]);
HTM_TD_End ();
}
HTM_TR_End ();
HTM_TABLE_End ();
/***** End alert *****/
Ale_ShowAlertAndButtonEnd (ActUnk,NULL,NULL,
NULL,NULL,
Btn_NO_BUTTON,NULL);
}
/*****************************************************************************/
/******************* Update number of clicks without photo *******************/
/*****************************************************************************/
unsigned Pho_UpdateMyClicksWithoutPhoto (void)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned NumClicks;
/***** Get number of clicks without photo from database *****/
if (Pho_DB_GetMyClicksWithoutPhoto (&mysql_res)) // The user exists ==> update number of clicks without photo
{
/* Get current number of clicks */
row = mysql_fetch_row (mysql_res);
sscanf (row[0],"%u",&NumClicks);
/* Update number of clicks */
if (NumClicks <= Pho_MAX_CLICKS_WITHOUT_PHOTO)
{
Pho_DB_IncrMyClicksWithoutPhoto ();
NumClicks++;
}
}
else // The user does not exist ==> add him/her
{
/* Add the user, with one access */
Pho_DB_InitMyClicksWithoutPhoto ();
NumClicks = 1;
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
/***** Return the number of rows of the result *****/
return NumClicks;
}
/*****************************************************************************/
/********************* Show a user's photo if allowed ************************/
/*****************************************************************************/
void Pho_ShowUsrPhotoIfAllowed (struct Usr_Data *UsrDat,
const char *ClassPhoto,Pho_Zoom_t Zoom)
{
char PhotoURL[WWW_MAX_BYTES_WWW + 1];
bool ShowPhoto = Pho_ShowingUsrPhotoIsAllowed (UsrDat,PhotoURL);
Pho_ShowUsrPhoto (UsrDat,ShowPhoto ? PhotoURL :
NULL,
ClassPhoto,Zoom);
}
/*****************************************************************************/
/********************* Check if user's photo can be shown ********************/
/*****************************************************************************/
// Returns true if the photo can be shown and false if not.
// Public photo means two different things depending on the user's type
bool Pho_ShowingUsrPhotoIsAllowed (struct Usr_Data *UsrDat,
char PhotoURL[WWW_MAX_BYTES_WWW + 1])
{
/***** Photo is shown if I can see it, and it exists *****/
return (Pri_CheckIfICanView (UsrDat->PhotoVisibility,UsrDat) == Usr_CAN) ? Pho_BuildLinkToPhoto (UsrDat,PhotoURL) :
false;
}
/*****************************************************************************/
/***************** Create a public link to a private photo *******************/
/*****************************************************************************/
// Returns false if photo does not exist
// Returns true if link is created successfully
bool Pho_BuildLinkToPhoto (const struct Usr_Data *UsrDat,char PhotoURL[WWW_MAX_BYTES_WWW + 1])
{
char PathPublPhoto[PATH_MAX + 1];
char PathPrivPhoto[PATH_MAX + 1];
if (UsrDat->Photo[0])
{
/***** Make path to public photo *****/
snprintf (PathPublPhoto,sizeof (PathPublPhoto),"%s/%s.jpg",
Cfg_PATH_PHOTO_PUBLIC,UsrDat->Photo);
/***** Make path to private photo from public directory *****/
snprintf (PathPrivPhoto,sizeof (PathPrivPhoto),"%s/%02u/%ld.jpg",
Cfg_PATH_PHOTO_PRIVATE,
(unsigned) (UsrDat->UsrCod % 100),UsrDat->UsrCod);
/***** Create a symbolic link to the private photo, if not exists *****/
if (!Fil_CheckIfPathExists (PathPublPhoto))
if (symlink (PathPrivPhoto,PathPublPhoto) != 0)
Err_ShowErrorAndExit ("Can not create public link"
" to access to user's private photo");
/***** Create the public URL of the photo *****/
snprintf (PhotoURL,WWW_MAX_BYTES_WWW + 1,"%s/%s.jpg",
Cfg_URL_PHOTO_PUBLIC,UsrDat->Photo);
return true;
}
else
{
PhotoURL[0] = '\0';
return false;
}
}
/*****************************************************************************/
/*************** Check if photo exists and return path to it *****************/
/*****************************************************************************/
// Returns false if photo does not exist
// Returns true if photo exists
bool Pho_CheckIfPrivPhotoExists (long UsrCod,char PathPrivRelPhoto[PATH_MAX + 1])
{
/***** Make path to private photo *****/
snprintf (PathPrivRelPhoto,PATH_MAX + 1,"%s/%02u/%ld.jpg",
Cfg_PATH_PHOTO_PRIVATE,(unsigned) (UsrCod % 100),UsrCod);
return Fil_CheckIfPathExists (PathPrivRelPhoto);
}
/*****************************************************************************/
/********************* Build HTML code for user's photo **********************/
/*****************************************************************************/
void Pho_BuildHTMLUsrPhoto (const struct Usr_Data *UsrDat,const char *PhotoURL,
const char *ClassPhoto,Pho_Zoom_t Zoom,
char **ImgStr,
char **CaptionStr)
{
extern const char *Rol_Icons[Rol_NUM_ROLES];
extern const char *Txt_Following;
extern const char *Txt_Followers;
unsigned NumFollowing;
unsigned NumFollowers;
bool PhotoExists;
Act_BrowserTab_t BrowserTab = Act_GetBrowserTab (Gbl.Action.Act);
bool BrowserTabIs1stTab = (BrowserTab == Act_1ST ||
BrowserTab == Act_AJA ||
BrowserTab == Act_REF);
bool PutZoomCode = (Zoom == Pho_ZOOM) && // Make zoom
BrowserTabIs1stTab; // Only in main browser tab (or AJAX)
char IdCaption[Frm_MAX_BYTES_ID + 1];
char CtyName[Nam_MAX_BYTES_FULL_NAME + 1];
struct Hie_Node Ins;
char MainDegreeShrtName[Nam_MAX_BYTES_SHRT_NAME + 1];
Rol_Role_t MaxRole; // Maximum user's role in his/her main degree
struct
{
char *Name;
char *Nick;
char *InsCty;
char *MainDeg;
char *Follow;
} Caption;
/***** Hidden div to pass user's name to Javascript *****/
if (PutZoomCode)
{
/* First name and surnames */
if (asprintf (&Caption.Name,"<div class=\"ZOOM_TXT DAT_STRONG_%s BOLD\">" // Limited width
"%s<br />"
"%s%s%s"
"</div>",
The_GetSuffix (),
UsrDat->FrstName,
UsrDat->Surname1,
UsrDat->Surname2[0] ? "&nbsp;" :
"",
UsrDat->Surname2[0] ? UsrDat->Surname2 :
"") < 0)
Err_NotEnoughMemoryExit ();
/* Nickname */
if (UsrDat->Nickname[0])
{
if (asprintf (&Caption.Nick,"<div class=\"ZOOM_TXT DAT_SMALL_STRONG_%s\">"
"@%s"
"</div>",
The_GetSuffix (),
UsrDat->Nickname) < 0)
Err_NotEnoughMemoryExit ();
}
else if (asprintf (&Caption.Nick,"%s","") < 0)
Err_NotEnoughMemoryExit ();
/* Institution full name and institution country */
if (UsrDat->InsCod > 0)
{
/* Get institution short name and country name */
Ins.HieCod = UsrDat->InsCod;
Ins_GetShrtNameAndCtyOfInstitution (&Ins,CtyName);
/* Write institution short name and country name */
if (asprintf (&Caption.InsCty,"<div class=\"ZOOM_TXT DAT_SMALL_%s\">"
"%s&nbsp;(%s)"
"</div>",
The_GetSuffix (),
Ins.ShrtName,CtyName) < 0)
Err_NotEnoughMemoryExit ();
}
else if (UsrDat->CtyCod > 0)
{
/* Get country name */
Cty_GetCountryNameInLanguage (UsrDat->CtyCod,Gbl.Prefs.Language,CtyName);
/* Write country name */
if (asprintf (&Caption.InsCty,"<div class=\"ZOOM_TXT DAT_SMALL_%s\">"
"%s"
"</div>",
The_GetSuffix (),
CtyName) < 0)
Err_NotEnoughMemoryExit ();
}
else if (asprintf (&Caption.InsCty,"%s","") < 0)
Err_NotEnoughMemoryExit ();
/* Main degree (in which the user has more courses) short name */
Deg_GetUsrMainDeg (UsrDat->UsrCod,MainDegreeShrtName,&MaxRole);
if (MainDegreeShrtName[0])
{
if (asprintf (&Caption.MainDeg,"<div class=\"ZOOM_TXT DAT_SMALL_%s\">"
"<img src=\"%s/%s\" alt=\"\""
" class=\"ICO16x16 ICO_BLACK_%s\" />"
" %s"
"</div>",
The_GetSuffix (),
Cfg_URL_ICON_PUBLIC,Rol_Icons[MaxRole],
The_GetSuffix (),
MainDegreeShrtName) < 0)
Err_NotEnoughMemoryExit ();
}
else if (asprintf (&Caption.MainDeg,"%s","") < 0)
Err_NotEnoughMemoryExit ();
/* Following and followers */
if (UsrDat->Nickname[0]) // Get social data only if nickname is retrieved (in some actions)
{
Fol_GetNumFollow (UsrDat->UsrCod,&NumFollowing,&NumFollowers);
if (asprintf (&Caption.Follow,"<div class=\"ZOOM_TXT\">"
"<span class=\"DAT_STRONG_%s BOLD\">"
"%u"
"</span>"
"<span class=\"DAT_SMALL_%s\">"
"&nbsp;%s&nbsp;"
"</span>"
"<span class=\"DAT_STRONG_%s BOLD\">"
"%u"
"</span>"
"<span class=\"DAT_SMALL_%s\">"
"&nbsp;%s"
"</span>"
"</div>",
The_GetSuffix (),
NumFollowing,
The_GetSuffix (),
Txt_Following,
The_GetSuffix (),
NumFollowers,
The_GetSuffix (),
Txt_Followers) < 0)
Err_NotEnoughMemoryExit ();
}
else if (asprintf (&Caption.Follow,"%s","") < 0)
Err_NotEnoughMemoryExit ();
/* Hidden div */
Frm_SetUniqueId (IdCaption);
if (asprintf (CaptionStr,"<div id=\"%s\" class=\"NOT_SHOWN\">"
"%s%s%s%s%s"
"</div>",
IdCaption,
Caption.Name,
Caption.Nick,
Caption.InsCty,
Caption.MainDeg,
Caption.Follow) < 0)
Err_NotEnoughMemoryExit ();
free (Caption.Follow);
free (Caption.MainDeg);
free (Caption.InsCty);
free (Caption.Nick);
free (Caption.Name);
}
else
{
if (asprintf (CaptionStr,"%s","") < 0)
Err_NotEnoughMemoryExit ();
}
/***** Image zoom *****/
PhotoExists = false;
if (PhotoURL)
if (PhotoURL[0])
PhotoExists = true;
if (PutZoomCode)
{
if (PhotoExists)
{
if (asprintf (ImgStr,"<img src=\"%s\" alt=\"\" title=\"%s\" class=\"%s\""
" onmouseover=\"zoom(this,'%s','%s');\""
" onmouseout=\"noZoom();\""
" />",
PhotoURL,UsrDat->FullName,ClassPhoto,
PhotoURL,IdCaption) < 0)
Err_NotEnoughMemoryExit ();
}
else
{
if (asprintf (ImgStr,"<img src=\"%s/usr_bl.jpg\" alt=\"\" title=\"%s\" class=\"%s\""
" onmouseover=\"zoom(this,'%s/usr_bl.jpg','%s');\""
" onmouseout=\"noZoom();\""
" />",
Cfg_URL_ICON_PUBLIC,UsrDat->FullName,ClassPhoto,
Cfg_URL_ICON_PUBLIC,IdCaption) < 0)
Err_NotEnoughMemoryExit ();
}
}
else
{
if (PhotoExists)
{
if (asprintf (ImgStr,"<img src=\"%s\" alt=\"\" title=\"%s\" class=\"%s\" />",
PhotoURL,UsrDat->FullName,ClassPhoto) < 0)
Err_NotEnoughMemoryExit ();
}
else
{
if (asprintf (ImgStr,"<img src=\"%s/usr_bl.jpg\" alt=\"\" title=\"%s\" class=\"%s\" />",
Cfg_URL_ICON_PUBLIC,UsrDat->FullName,ClassPhoto) < 0)
Err_NotEnoughMemoryExit ();
}
}
}
/*****************************************************************************/
/*************************** Show a user's photo *****************************/
/*****************************************************************************/
void Pho_ShowUsrPhoto (const struct Usr_Data *UsrDat,const char *PhotoURL,
const char *ClassPhoto,Pho_Zoom_t Zoom)
{
Act_BrowserTab_t BrowserTab = Act_GetBrowserTab (Gbl.Action.Act);
bool BrowserTabIs1stTab = (BrowserTab == Act_1ST ||
BrowserTab == Act_AJA ||
BrowserTab == Act_REF);
Frm_PutForm_t PutFormPublicProfile = (!Frm_CheckIfInside () && // Only if not inside another form
BrowserTabIs1stTab) ? Frm_PUT_FORM : // Only in main browser tab (or AJAX)
Frm_DONT_PUT_FORM;
char *CaptionStr;
char *ImgStr;
/***** Begin form to go to public profile *****/
if (PutFormPublicProfile == Frm_PUT_FORM)
{
Frm_BeginForm (ActSeeOthPubPrf);
Usr_PutParUsrCodEncrypted (UsrDat->EnUsrCod);
HTM_BUTTON_Submit_Begin (NULL,"class=\"BT_LINK\"");
}
/***** Hidden div to pass user's name to Javascript *****/
Pho_BuildHTMLUsrPhoto (UsrDat,PhotoURL,
ClassPhoto,Zoom,
&CaptionStr,
&ImgStr);
HTM_Txt (CaptionStr);
HTM_Txt (ImgStr);
free (ImgStr);
free (CaptionStr);
/***** End form to go to public profile *****/
if (PutFormPublicProfile == Frm_PUT_FORM)
{
HTM_BUTTON_End ();
Frm_EndForm ();
}
}
/*****************************************************************************/
/************************** Remove a user's photo ****************************/
/*****************************************************************************/
// Returns true on success, false on error
bool Pho_RemovePhoto (struct Usr_Data *UsrDat)
{
extern const char *Txt_Photo_removed;
char PathPrivRelPhoto[PATH_MAX + 1];
char PathPublPhoto[PATH_MAX + 1];
unsigned NumErrors = 0;
if (UsrDat->Photo[0])
{
/***** Clear photo name in database *****/
Pho_DB_ClearPhotoName (UsrDat->UsrCod);
/***** Remove public link *****/
snprintf (PathPublPhoto,sizeof (PathPublPhoto),"%s/%s.jpg",
Cfg_PATH_PHOTO_PUBLIC,UsrDat->Photo);
if (Fil_CheckIfPathExists (PathPublPhoto)) // Public link exists
if (unlink (PathPublPhoto)) // Remove public link
NumErrors++;
/***** Remove photo *****/
snprintf (PathPrivRelPhoto,sizeof (PathPrivRelPhoto),"%s/%02u/%ld.jpg",
Cfg_PATH_PHOTO_PRIVATE,
(unsigned) (UsrDat->UsrCod % 100),UsrDat->UsrCod);
if (Fil_CheckIfPathExists (PathPrivRelPhoto)) // Photo exists
{
if (unlink (PathPrivRelPhoto)) // Remove photo
NumErrors++;
}
/***** Remove original photo *****/
snprintf (PathPrivRelPhoto,sizeof (PathPrivRelPhoto),
"%s/%02u/%ld_original.jpg",
Cfg_PATH_PHOTO_PRIVATE,
(unsigned) (UsrDat->UsrCod % 100),UsrDat->UsrCod);
if (Fil_CheckIfPathExists (PathPrivRelPhoto)) // Original photo exists
if (unlink (PathPrivRelPhoto)) // Remove original photo
NumErrors++;
/***** Clear photo name in user's data *****/
UsrDat->Photo[0] = '\0';
}
if (NumErrors)
{
Ale_CreateAlert (Ale_ERROR,NULL,
"Error removing photo.");
return false;
}
else
{
Ale_CreateAlert (Ale_SUCCESS,NULL,
Txt_Photo_removed);
return true;
}
}
/*****************************************************************************/
/***************** Update photo name of an user in database ******************/
/*****************************************************************************/
void Pho_UpdatePhotoName (struct Usr_Data *UsrDat)
{
char PathPublPhoto[PATH_MAX + 1];
const char *UniqueNameEncrypted = Cry_GetUniqueNameEncrypted ();
/***** Update photo name in database *****/
Pho_DB_UpdatePhotoName (UsrDat->UsrCod,UniqueNameEncrypted);
/***** Remove the old symbolic link to photo *****/
snprintf (PathPublPhoto,sizeof (PathPublPhoto),"%s/%s.jpg",
Cfg_PATH_PHOTO_PUBLIC,UsrDat->Photo);
unlink (PathPublPhoto); // Remove public link
/***** Update photo name in user's data *****/
Str_Copy (UsrDat->Photo,UniqueNameEncrypted,sizeof (UsrDat->Photo) - 1);
}
/*****************************************************************************/
/************************** Change photo visibility **************************/
/*****************************************************************************/
void Pho_ChangePhotoVisibility (void)
{
/***** Get param with public/private photo *****/
Gbl.Usrs.Me.UsrDat.PhotoVisibility = Pri_GetParVisibility ("VisPho",
Pri_PHOTO_ALLOWED_VIS);
/***** Store public/private photo in database *****/
Set_DB_UpdateMySettingsAboutPhotoVisibility ();
/***** Show form again *****/
Set_EditSettings ();
}
/*****************************************************************************/
/******** Calculate average photos of all students from each degree **********/
/*****************************************************************************/
void Pho_CalcPhotoDegree (void)
{
Pho_AvgPhotoTypeOfAverage_t TypeOfAverage;
long DegCod = -1L;
char DirAvgPhotosRelPath[Pho_NUM_AVERAGE_PHOTO_TYPES][PATH_MAX + 1];
unsigned NumStds,NumStdsWithPhoto;
Usr_Sex_t Sex;
long TotalTimeToComputeAvgPhotoInMicroseconds,PartialTimeToComputeAvgPhotoInMicroseconds;
/***** Create public directories for average photos if not exist *****/
Fil_CreateDirIfNotExists (Cfg_PATH_PHOTO_PUBLIC);
for (TypeOfAverage = (Pho_AvgPhotoTypeOfAverage_t) 0;
TypeOfAverage < Pho_NUM_AVERAGE_PHOTO_TYPES;
TypeOfAverage++)
{
snprintf (DirAvgPhotosRelPath[TypeOfAverage],
sizeof (DirAvgPhotosRelPath[TypeOfAverage]),"%s/%s",
Cfg_PATH_PHOTO_PUBLIC,Pho_StrAvgPhotoDirs[TypeOfAverage]);
Fil_CreateDirIfNotExists (DirAvgPhotosRelPath[TypeOfAverage]);
}
/***** Creates private directory for lists of users' photos if not exists *****/
Fil_CreateDirIfNotExists (Cfg_PATH_PHOTO_TMP_PRIVATE);
/***** Get the degree which photo will be computed *****/
if ((DegCod = ParCod_GetPar (ParCod_OthDeg)) > 0) // Parameter may be omitted
{ // (when selecting classphoto/list)
/***** Prevent the computing of an average photo too recently updated *****/
if (Pho_GetTimeAvgPhotoWasComputed (DegCod) >=
Dat_GetStartExecutionTimeUTC () - Cfg_MIN_TIME_TO_RECOMPUTE_AVG_PHOTO)
Err_ShowErrorAndExit ("Average photo has been computed recently.");
/***** Get list of students in this degree *****/
Usr_GetUnorderedStdsCodesInDeg (DegCod);
for (Sex = (Usr_Sex_t) 0;
Sex <= (Usr_Sex_t) (Usr_NUM_SEXS - 1);
Sex++)
{
TotalTimeToComputeAvgPhotoInMicroseconds = 0;
for (TypeOfAverage = (Pho_AvgPhotoTypeOfAverage_t) 0;
TypeOfAverage <= (Pho_AvgPhotoTypeOfAverage_t) (Pho_NUM_AVERAGE_PHOTO_TYPES - 1);
TypeOfAverage++)
{
/***** Compute average photos of students belonging this degree *****/
Pho_ComputeAveragePhoto (DegCod,Sex,Rol_STD,
TypeOfAverage,DirAvgPhotosRelPath[TypeOfAverage],
&NumStds,&NumStdsWithPhoto,&PartialTimeToComputeAvgPhotoInMicroseconds);
TotalTimeToComputeAvgPhotoInMicroseconds += PartialTimeToComputeAvgPhotoInMicroseconds;
}
/***** Store stats in database *****/
Pho_DB_UpdateDegStats (DegCod,Sex,NumStds,NumStdsWithPhoto,TotalTimeToComputeAvgPhotoInMicroseconds);
}
/***** Free memory for students list *****/
Usr_FreeUsrsList (Rol_STD);
}
/***** Show photos *****/
Pho_ShowOrPrintPhotoDegree (Pho_DEGREES_SEE);
}
/*****************************************************************************/
/******** Get degree code with average photo least recently updated **********/
/*****************************************************************************/
// Returns -1 when error or when all degrees have been updated too recently
static long Pho_GetDegWithAvgPhotoLeastRecentlyUpdated (void)
{
long DegCod;
/***** Delete all degrees in sta_degrees table not present in degrees table *****/
Pho_DB_RemoveObsoleteStatDegrees ();
/***** 1. If a degree is not in table of computed degrees,
choose it as least recently updated *****/
if ((DegCod = Pho_DB_GetADegWithStdsNotInTableOfComputedDegs ()) > 0)
return DegCod;
/***** 2. If all degrees are in table,
choose the least recently updated that has students *****/
return Pho_DB_GetDegWithAvgPhotoLeastRecentlyUpdated ();
}
/*****************************************************************************/
/***************** Get time when average photo was computed ******************/
/*****************************************************************************/
static long Pho_GetTimeAvgPhotoWasComputed (long DegCod)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
long TimeAvgPhotoWasComputed = 0L;
/***** Get last time an average photo was computed from database *****/
if (Pho_DB_GetTimeAvgPhotoWasComputed (&mysql_res,DegCod) == 1)
{
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get time when average photo was computed (row[0]) *****/
if (row[0])
sscanf (row[0],"%ld",&TimeAvgPhotoWasComputed);
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return TimeAvgPhotoWasComputed;
}
/*****************************************************************************/
/********************* Get time to compute average photo *********************/
/*****************************************************************************/
static long Pho_GetTimeToComputeAvgPhoto (long DegCod)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
Usr_Sex_t Sex;
long PartialTimeToComputeAvgPhoto;
long TotalTimeToComputeAvgPhoto = -1L;
/***** Get time to compute average photo from database *****/
if (Pho_DB_GetTimeToComputeAvgPhoto (&mysql_res,DegCod) == Usr_NUM_SEXS)
{
TotalTimeToComputeAvgPhoto = 0L;
for (Sex = (Usr_Sex_t) 0;
Sex <= (Usr_Sex_t) (Usr_NUM_SEXS - 1);
Sex++)
{
/***** Get row *****/
row = mysql_fetch_row (mysql_res);
/***** Get time to compute average photo (row[0]) *****/
PartialTimeToComputeAvgPhoto = -1L;
if (row[0][0])
if (sscanf (row[0],"%ld",&PartialTimeToComputeAvgPhoto) != 1)
PartialTimeToComputeAvgPhoto = -1L;
if (PartialTimeToComputeAvgPhoto < 0)
{
TotalTimeToComputeAvgPhoto = -1L;
break;
}
TotalTimeToComputeAvgPhoto += PartialTimeToComputeAvgPhoto;
}
}
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
return TotalTimeToComputeAvgPhoto;
}
/*****************************************************************************/
/********************** Compute the average photo of a list ******************/
/*****************************************************************************/
// Returns number of users in list with photo
static void Pho_ComputeAveragePhoto (long DegCod,Usr_Sex_t Sex,Rol_Role_t Role,
Pho_AvgPhotoTypeOfAverage_t TypeOfAverage,const char *DirAvgPhotosRelPath,
unsigned *NumStds,unsigned *NumStdsWithPhoto,long *TimeToComputeAvgPhotoInMicroseconds)
{
extern const char *Usr_StringsSexDB[Usr_NUM_SEXS];
unsigned NumUsr;
char PathPrivRelPhoto[PATH_MAX + 1]; // Relative path to private photo, to calculate average face
char *PathRelAvgPhoto;
char *FileNamePhotoNames;
FILE *FilePhotoNames = NULL; // Initialized to avoid warning
char StrCallToProgram[3 * (PATH_MAX + 1)]; // Call to photo processing program
int ReturnCode;
/* To compute execution time of this function */
struct timeval tvStartComputingStat;
struct timeval tvEndComputingStat;
struct timezone tz;
/***** Set start time to compute the stats of this degree *****/
gettimeofday (&tvStartComputingStat,&tz);
/***** Reset number of students in this degree *****/
*NumStds = *NumStdsWithPhoto = 0;
/***** Build name for file with average photo *****/
if (asprintf (&PathRelAvgPhoto,"%s/%ld_%s.jpg",
DirAvgPhotosRelPath,DegCod,Usr_StringsSexDB[Sex]) < 0)
Err_NotEnoughMemoryExit ();
/***** Remove old file if exists *****/
if (Fil_CheckIfPathExists (PathRelAvgPhoto)) // If file exists
unlink (PathRelAvgPhoto);
/***** Build names for text file with photo paths *****/
if (asprintf (&FileNamePhotoNames,"%s/%ld.txt",
Cfg_PATH_PHOTO_TMP_PRIVATE,DegCod) < 0)
Err_NotEnoughMemoryExit ();
if ((FilePhotoNames = fopen (FileNamePhotoNames,"wb")) == NULL)
Err_ShowErrorAndExit ("Can not open file to compute average photo.");
/***** Loop writing file names in text file *****/
for (NumUsr = 0;
NumUsr < Gbl.Usrs.LstUsrs[Role].NumUsrs;
NumUsr++)
{
Gbl.Usrs.Other.UsrDat.Sex = Gbl.Usrs.LstUsrs[Role].Lst[NumUsr].Sex;
if (Sex == Usr_SEX_ALL || Sex == Gbl.Usrs.Other.UsrDat.Sex)
{
(*NumStds)++;
/***** Add photo to file for average face calculation *****/
Gbl.Usrs.Other.UsrDat.UsrCod = Gbl.Usrs.LstUsrs[Role].Lst[NumUsr].UsrCod;
if (Pho_CheckIfPrivPhotoExists (Gbl.Usrs.Other.UsrDat.UsrCod,PathPrivRelPhoto))
{
(*NumStdsWithPhoto)++;
fprintf (FilePhotoNames,"%s\n",PathPrivRelPhoto);
}
}
}
fclose (FilePhotoNames);
/***** Call to program to calculate average photo *****/
if (*NumStdsWithPhoto)
{
snprintf (StrCallToProgram,sizeof (StrCallToProgram),"%s %s %s",
Pho_StrAvgPhotoPrograms[TypeOfAverage],
FileNamePhotoNames,PathRelAvgPhoto);
ReturnCode = system (StrCallToProgram);
if (ReturnCode == -1)
Err_ShowErrorAndExit ("Error when running program that computes the average photo.");
/* Write message depending on the return code */
if (WEXITSTATUS(ReturnCode))
Err_ShowErrorAndExit ("The average photo has not been computed successfully.");
}
free (PathRelAvgPhoto);
free (FileNamePhotoNames);
/***** Time used to compute the stats of this degree *****/
if (gettimeofday (&tvEndComputingStat, &tz))
// Error in gettimeofday
*TimeToComputeAvgPhotoInMicroseconds = -1L;
else
{
if (tvEndComputingStat.tv_usec < tvStartComputingStat.tv_usec)
{
tvEndComputingStat.tv_sec--;
tvEndComputingStat.tv_usec += 1000000L;
}
*TimeToComputeAvgPhotoInMicroseconds = (tvEndComputingStat.tv_sec -
tvStartComputingStat.tv_sec) * 1000000L +
tvEndComputingStat.tv_usec -
tvStartComputingStat.tv_usec;
}
}
/*****************************************************************************/
/*** Show class photo with average photos of all students from each degree ***/
/*****************************************************************************/
void Pho_ShowPhotoDegree (void)
{
Pho_ShowOrPrintPhotoDegree (Pho_DEGREES_SEE);
}
/*****************************************************************************/
/** Print class photo with average photos of all students from each degree ***/
/*****************************************************************************/
void Pho_PrintPhotoDegree (void)
{
Pho_ShowOrPrintPhotoDegree (Pho_DEGREES_PRINT);
}
/*****************************************************************************/
/*** Show class photo with average photos of all students from each degree ***/
/*****************************************************************************/
static void Pho_ShowOrPrintPhotoDegree (Pho_AvgPhotoSeeOrPrint_t SeeOrPrint)
{
extern const char *Hlp_ANALYTICS_Degrees;
extern const char *Txt_HIERARCHY_PLURAL_Abc[Hie_NUM_LEVELS];
static void (*ShowOrPrintDegrees[Set_NUM_USR_LIST_TYPES]) (struct Pho_DegPhotos *DegPhotos,
Pho_AvgPhotoSeeOrPrint_t SeeOrPrint) =
{
[Set_USR_LIST_AS_CLASS_PHOTO] = Pho_ShowOrPrintClassPhotoDegrees,
[Set_USR_LIST_AS_LISTING ] = Pho_ShowOrPrintListDegrees,
};
struct Pho_DegPhotos DegPhotos;
/***** Get parameters from form *****/
DegPhotos.TypeOfAverage = Pho_GetPhotoAvgTypeFromForm ();
DegPhotos.HowComputePhotoSize = Pho_GetHowComputePhotoSizeFromForm ();
DegPhotos.HowOrderDegrees = Pho_GetHowOrderDegreesFromForm ();
/***** Get and update type of list,
number of columns in class photo
and preference about view photos *****/
Set_GetAndUpdatePrefsAboutUsrList ();
switch (SeeOrPrint)
{
case Pho_DEGREES_SEE:
/***** Begin box *****/
Box_BoxBegin (Txt_HIERARCHY_PLURAL_Abc[Hie_DEG],
Pho_PutIconToPrintDegreeStats,&DegPhotos,
Hlp_ANALYTICS_Degrees,Box_NOT_CLOSABLE);
HTM_TABLE_BeginCenterPadding (2);
/***** Put selectors for:
- the type of average
- the size of photos
- the order of degrees *****/
Pho_PutSelectorForTypeOfAvg (&DegPhotos);
Pho_PutSelectorForHowComputePhotoSize (&DegPhotos);
Pho_PutSelectorForHowOrderDegrees (&DegPhotos);
HTM_TABLE_End ();
/***** Link to compute average photos *****/
Pho_PutLinkToCalculateDegreeStats (&DegPhotos);
break;
case Pho_DEGREES_PRINT:
/***** Begin box *****/
Box_BoxBegin (Txt_HIERARCHY_PLURAL_Abc[Hie_DEG],NULL,NULL,
NULL,Box_NOT_CLOSABLE);
break;
}
/***** Get maximum number of students
and maximum number of students with photo
in all degrees *****/
Pho_GetMaxStdsPerDegree (&DegPhotos);
/***** Draw the classphoto/list *****/
if (ShowOrPrintDegrees[Gbl.Usrs.Me.ListType])
ShowOrPrintDegrees[Gbl.Usrs.Me.ListType] (&DegPhotos,SeeOrPrint);
/***** End box *****/
Box_BoxEnd ();
}
/*****************************************************************************/
/**************** Put parameter for degree average photos ********************/
/*****************************************************************************/
static void Pho_PutParsDegPhoto (void *DegPhotos)
{
if (DegPhotos)
{
Pho_PutParTypeOfAvg (((struct Pho_DegPhotos *) DegPhotos)->TypeOfAverage);
Pho_PutParPhotoSize (((struct Pho_DegPhotos *) DegPhotos)->HowComputePhotoSize);
Pho_PutParOrderDegrees (((struct Pho_DegPhotos *) DegPhotos)->HowOrderDegrees);
}
}
/*****************************************************************************/
/******************* Put a selector for the type of average ******************/
/*****************************************************************************/
static void Pho_PutSelectorForTypeOfAvg (const struct Pho_DegPhotos *DegPhotos)
{
extern const char *Txt_Average_type;
extern const char *Txt_AVERAGE_PHOTO_TYPES[Pho_NUM_AVERAGE_PHOTO_TYPES];
Pho_AvgPhotoTypeOfAverage_t TypeOfAvg;
unsigned TypeOfAvgUnsigned;
/***** Type of average *****/
HTM_TR_Begin (NULL);
/* Label */
Frm_LabelColumn ("Frm_C1 RM","AvgType",Txt_Average_type);
/* Data */
HTM_TD_Begin ("class=\"Frm_C2 LM\"");
Frm_BeginForm (ActSeePhoDeg);
Pho_PutParPhotoSize (DegPhotos->HowComputePhotoSize);
Pho_PutParOrderDegrees (DegPhotos->HowOrderDegrees);
Set_PutParsPrefsAboutUsrList ();
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,NULL,
"id=\"AvgType\" name=\"AvgType\""
" class=\"Frm_C2_INPUT INPUT_%s\"",
The_GetSuffix ());
for (TypeOfAvg = (Pho_AvgPhotoTypeOfAverage_t) 0;
TypeOfAvg <= (Pho_AvgPhotoTypeOfAverage_t) (Pho_NUM_AVERAGE_PHOTO_TYPES - 1);
TypeOfAvg++)
{
TypeOfAvgUnsigned = (unsigned) TypeOfAvg;
HTM_OPTION (HTM_Type_UNSIGNED,&TypeOfAvgUnsigned,
TypeOfAvg == DegPhotos->TypeOfAverage ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED,
HTM_OPTION_ENABLED,
"%s",Txt_AVERAGE_PHOTO_TYPES[TypeOfAvg]);
}
HTM_SELECT_End ();
Frm_EndForm ();
HTM_TD_End ();
HTM_TR_End ();
}
/*****************************************************************************/
/**************** Put hidden parameter for the type of average ***************/
/*****************************************************************************/
void Pho_PutParTypeOfAvg (Pho_AvgPhotoTypeOfAverage_t TypeOfAverage)
{
Par_PutParUnsigned (NULL,"AvgType",(unsigned) TypeOfAverage);
}
/*****************************************************************************/
/*********************** Get type of average for photos **********************/
/*****************************************************************************/
static Pho_AvgPhotoTypeOfAverage_t Pho_GetPhotoAvgTypeFromForm (void)
{
return (Pho_AvgPhotoTypeOfAverage_t)
Par_GetParUnsignedLong ("AvgType",
0,
Pho_NUM_AVERAGE_PHOTO_TYPES - 1,
(unsigned long) Pho_PHOTO_AVG_DEFAULT);
}
/*****************************************************************************/
/****************** Put a selector for the size of photos ********************/
/*****************************************************************************/
static void Pho_PutSelectorForHowComputePhotoSize (const struct Pho_DegPhotos *DegPhotos)
{
extern const char *Txt_Size_of_photos;
extern const char *Txt_STAT_DEGREE_PHOTO_SIZE[Pho_NUM_HOW_COMPUTE_PHOTO_SIZES];
Pho_HowComputePhotoSize_t PhoSi;
unsigned PhoSiUnsigned;
/***** Photo size *****/
HTM_TR_Begin (NULL);
/* Label */
Frm_LabelColumn ("Frm_C1 RM","PhotoSize",Txt_Size_of_photos);
/* Data */
HTM_TD_Begin ("class=\"Frm_C2 LM\"");
Frm_BeginForm (ActSeePhoDeg);
Pho_PutParTypeOfAvg (DegPhotos->TypeOfAverage);
Pho_PutParOrderDegrees (DegPhotos->HowOrderDegrees);
Set_PutParsPrefsAboutUsrList ();
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,NULL,
"id=\"PhotoSize\" name=\"PhotoSize\""
" class=\"Frm_C2_INPUT INPUT_%s\"",
The_GetSuffix ());
for (PhoSi = (Pho_HowComputePhotoSize_t) 0;
PhoSi <= (Pho_HowComputePhotoSize_t) (Pho_NUM_HOW_COMPUTE_PHOTO_SIZES - 1);
PhoSi++)
{
PhoSiUnsigned = (unsigned) PhoSi;
HTM_OPTION (HTM_Type_UNSIGNED,&PhoSiUnsigned,
PhoSi == DegPhotos->HowComputePhotoSize ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED,
HTM_OPTION_ENABLED,
"%s",Txt_STAT_DEGREE_PHOTO_SIZE[PhoSi]);
}
HTM_SELECT_End ();
Frm_EndForm ();
HTM_TD_End ();
HTM_TR_End ();
}
/*****************************************************************************/
/**************** Put hidden parameter for the size of photos ****************/
/*****************************************************************************/
void Pho_PutParPhotoSize (Pho_HowComputePhotoSize_t HowComputePhotoSize)
{
Par_PutParUnsigned (NULL,"PhotoSize",(unsigned) HowComputePhotoSize);
}
/*****************************************************************************/
/********************* Get how to compute size of photos *********************/
/*****************************************************************************/
static Pho_HowComputePhotoSize_t Pho_GetHowComputePhotoSizeFromForm (void)
{
return (Pho_HowComputePhotoSize_t)
Par_GetParUnsignedLong ("PhotoSize",
0,
Pho_NUM_HOW_COMPUTE_PHOTO_SIZES - 1,
(unsigned long) Pho_PHOTO_SIZE_DEFAULT);
}
/*****************************************************************************/
/****************** Put a selector for the order of degrees ******************/
/*****************************************************************************/
static void Pho_PutSelectorForHowOrderDegrees (const struct Pho_DegPhotos *DegPhotos)
{
extern const char *Txt_Sort_degrees_by;
extern const char *Txt_STAT_DEGREE_PHOTO_ORDER[Pho_NUM_HOW_ORDER_DEGREES];
Pho_HowOrderDegrees_t Order;
unsigned OrderUnsigned;
/***** Order *****/
HTM_TR_Begin (NULL);
/* Label */
Frm_LabelColumn ("Frm_C1 RM","Order",Txt_Sort_degrees_by);
/* Data */
HTM_TD_Begin ("class=\"Frm_C2 LM\"");
Frm_BeginForm (ActSeePhoDeg);
Pho_PutParTypeOfAvg (DegPhotos->TypeOfAverage);
Pho_PutParPhotoSize (DegPhotos->HowComputePhotoSize);
Set_PutParsPrefsAboutUsrList ();
HTM_SELECT_Begin (HTM_SUBMIT_ON_CHANGE,NULL,
"id=\"Order\" name=\"Order\""
" class=\"Frm_C2_INPUT INPUT_%s\"",
The_GetSuffix ());
for (Order = (Pho_HowOrderDegrees_t) 0;
Order <= (Pho_HowOrderDegrees_t) (Pho_NUM_HOW_ORDER_DEGREES - 1);
Order++)
{
OrderUnsigned = (unsigned) Order;
HTM_OPTION (HTM_Type_UNSIGNED,&OrderUnsigned,
Order == DegPhotos->HowOrderDegrees ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED,
HTM_OPTION_ENABLED,
"%s",Txt_STAT_DEGREE_PHOTO_ORDER[Order]);
}
HTM_SELECT_End ();
Frm_EndForm ();
HTM_TD_End ();
HTM_TR_End ();
}
/*****************************************************************************/
/**************** Put hidden parameter for the order of degrees **************/
/*****************************************************************************/
void Pho_PutParOrderDegrees (Pho_HowOrderDegrees_t HowOrderDegrees)
{
Par_PutParUnsigned (NULL,"Order",(unsigned) HowOrderDegrees);
}
/*****************************************************************************/
/*************************** Get how to order degrees ************************/
/*****************************************************************************/
static Pho_HowOrderDegrees_t Pho_GetHowOrderDegreesFromForm (void)
{
return (Pho_HowOrderDegrees_t)
Par_GetParUnsignedLong ("Order",
0,
Pho_NUM_HOW_ORDER_DEGREES - 1,
(unsigned long) Pho_ORDER_DEFAULT);
}
/*****************************************************************************/
/*************** Put icon to print view the stats of degrees ***************/
/*****************************************************************************/
static void Pho_PutIconToPrintDegreeStats (void *DegPhotos)
{
Ico_PutContextualIconToPrint (ActPrnPhoDeg,
Pho_PutLinkToPrintViewOfDegreeStatsPars,DegPhotos);
}
static void Pho_PutLinkToPrintViewOfDegreeStatsPars (void *DegPhotos)
{
Pho_PutParTypeOfAvg (((struct Pho_DegPhotos *) DegPhotos)->TypeOfAverage);
Pho_PutParPhotoSize (((struct Pho_DegPhotos *) DegPhotos)->HowComputePhotoSize);
Pho_PutParOrderDegrees (((struct Pho_DegPhotos *) DegPhotos)->HowOrderDegrees);
Set_PutParsPrefsAboutUsrList ();
}
/*****************************************************************************/
/*************** Put a link to calculate the stats of degrees ****************/
/*****************************************************************************/
static void Pho_PutLinkToCalculateDegreeStats (const struct Pho_DegPhotos *DegPhotos)
{
extern bool (*Hie_GetDataByCod[Hie_NUM_LEVELS]) (struct Hie_Node *Node);
extern const char *Txt_Calculate_average_photo_of_THE_DEGREE_X;
extern const char *Txt_unknown_TIME;
extern const char *Txt_time;
struct Hie_List Degs;
unsigned NumDeg;
struct Hie_Node Deg;
long EstimatedTimeToComputeAvgPhotoInMicroseconds;
char StrEstimatedTimeToComputeAvgPhoto[Dat_MAX_BYTES_TIME + 1];
HTM_OptionSelected_t Selected;
HTM_OptionDisabled_t Disabled;
if ((Deg.HieCod = Pho_GetDegWithAvgPhotoLeastRecentlyUpdated ()) > 0)
{
/***** Get list of all degrees *****/
Deg_GetListAllDegsWithStds (&Degs);
/***** Get data of the degree from database *****/
Hie_GetDataByCod[Hie_DEG] (&Deg);
/***** Contextual menu *****/
HTM_DIV_Begin ("class=\"UPD\"");
/* Begin form */
Frm_BeginForm (ActCalPhoDeg);
Pho_PutParTypeOfAvg (DegPhotos->TypeOfAverage);
Pho_PutParPhotoSize (DegPhotos->HowComputePhotoSize);
Pho_PutParOrderDegrees (DegPhotos->HowOrderDegrees);
Set_PutParsPrefsAboutUsrList ();
/***** Put button to refresh *****/
HTM_BUTTON_Submit_Begin (Txt_Calculate_average_photo_of_THE_DEGREE_X,
"class=\"BT_LINK FORM_IN_%s BOLD\"",
The_GetSuffix ());
Ico_PutIconTextUpdate (Txt_Calculate_average_photo_of_THE_DEGREE_X);
HTM_BUTTON_End ();
/* Selector with all degrees with students */
HTM_SELECT_Begin (HTM_DONT_SUBMIT_ON_CHANGE,NULL,
"name=\"OthDegCod\""
" class=\"Frm_C2_INPUT INPUT_%s\"",
The_GetSuffix ());
for (NumDeg = 0;
NumDeg < Degs.Num;
NumDeg++)
{
/* Get time to compute average photo of this degree */
EstimatedTimeToComputeAvgPhotoInMicroseconds = Pho_GetTimeToComputeAvgPhoto (Degs.Lst[NumDeg].HieCod);
if (EstimatedTimeToComputeAvgPhotoInMicroseconds == -1L)
Str_Copy (StrEstimatedTimeToComputeAvgPhoto,Txt_unknown_TIME,
sizeof (StrEstimatedTimeToComputeAvgPhoto) - 1);
else
Dat_WriteTime (StrEstimatedTimeToComputeAvgPhoto,
EstimatedTimeToComputeAvgPhotoInMicroseconds);
Selected = (Degs.Lst[NumDeg].HieCod == Deg.HieCod) ? HTM_OPTION_SELECTED :
HTM_OPTION_UNSELECTED;
if (Selected == HTM_OPTION_SELECTED)
Disabled = HTM_OPTION_ENABLED;
else
// Too recently computed ?
Disabled = Pho_GetTimeAvgPhotoWasComputed (Degs.Lst[NumDeg].HieCod) >=
Dat_GetStartExecutionTimeUTC () - Cfg_MIN_TIME_TO_RECOMPUTE_AVG_PHOTO ? HTM_OPTION_DISABLED :
HTM_OPTION_ENABLED;
HTM_OPTION (HTM_Type_LONG,&Degs.Lst[NumDeg].HieCod,
Selected,
Disabled,
"%s (%s: %s)",
Degs.Lst[NumDeg].ShrtName,
Txt_time,StrEstimatedTimeToComputeAvgPhoto);
}
HTM_SELECT_End ();
/* End form and contextual menu */
Frm_EndForm ();
HTM_DIV_End ();
/***** Free list of all degrees with students *****/
Deg_FreeListAllDegsWithStds (&Degs);
}
}
/*****************************************************************************/
/*** Get number of students and number of students with photo in a degree ****/
/*****************************************************************************/
static void Pho_GetMaxStdsPerDegree (struct Pho_DegPhotos *DegPhotos)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
/***** Get maximum number of students in a degree from database *****/
if (Pho_DB_GetMaxStdsPerDegree (&mysql_res) == 1)
{
row = mysql_fetch_row (mysql_res);
if (row[0] == NULL)
DegPhotos->MaxStds = -1;
else if (sscanf (row[0],"%d",&DegPhotos->MaxStds) != 1)
DegPhotos->MaxStds = -1;
if (row[1] == NULL)
DegPhotos->MaxStdsWithPhoto = -1;
else if (sscanf (row[1],"%d",&DegPhotos->MaxStdsWithPhoto) != 1)
DegPhotos->MaxStdsWithPhoto = -1;
if (row[2] == NULL)
DegPhotos->MaxPercent = -1.0;
else if (sscanf (row[2],"%lf",&DegPhotos->MaxPercent) != 1)
DegPhotos->MaxPercent = -1.0;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
else
{
DegPhotos->MaxStds = DegPhotos->MaxStdsWithPhoto = -1;
DegPhotos->MaxPercent = -1.0;
}
}
/*****************************************************************************/
/************ Show or print the stats of degrees as class photo **************/
/*****************************************************************************/
static void Pho_ShowOrPrintClassPhotoDegrees (struct Pho_DegPhotos *DegPhotos,
Pho_AvgPhotoSeeOrPrint_t SeeOrPrint)
{
extern bool (*Hie_GetDataByCod[Hie_NUM_LEVELS]) (struct Hie_Node *Node);
MYSQL_RES *mysql_res;
unsigned long NumDeg;
unsigned long NumDegs;
struct Hie_Node Deg;
unsigned NumDegsNotEmpty;
int NumStds;
int NumStdsWithPhoto;
bool TRIsOpen = false;
/***** Get degrees from database *****/
if ((NumDegs = Pho_DB_QueryDegrees (&mysql_res,DegPhotos->HowOrderDegrees))) // Degrees with students found
{
/***** Form to select type of list used to display degree photos *****/
if (SeeOrPrint == Pho_DEGREES_SEE)
Usr_ShowFormsToSelectUsrListType (ActSeePhoDeg,Pho_PutParsDegPhoto,DegPhotos,NULL);
HTM_TABLE_BeginCenter ();
/***** Get and print degrees *****/
for (NumDeg = 0, NumDegsNotEmpty = 0;
NumDeg < NumDegs;
NumDeg++)
{
/***** Get next degree *****/
if ((Deg.HieCod = DB_GetNextCode (mysql_res)) < 0)
Err_WrongDegreeExit ();
/* Get data of degree */
Hie_GetDataByCod[Hie_DEG] (&Deg);
/* Get number of students and number of students with photo in this degree */
Pho_GetNumStdsInDegree (Deg.HieCod,Usr_SEX_ALL,&NumStds,&NumStdsWithPhoto);
if (NumStds > 0)
{
if ((NumDegsNotEmpty % Gbl.Usrs.ClassPhoto.Cols) == 0)
{
HTM_TR_Begin (NULL);
TRIsOpen = true;
}
/***** Show average photo of students belonging to this degree *****/
HTM_TD_Begin ("class=\"CLASSPHOTO CLASSPHOTO_%s CM\"",
The_GetSuffix ());
Pho_ShowDegreeAvgPhotoAndStat (&Deg,DegPhotos,
SeeOrPrint,
Usr_SEX_ALL,
NumStds,NumStdsWithPhoto);
HTM_TD_End ();
if ((++NumDegsNotEmpty % Gbl.Usrs.ClassPhoto.Cols) == 0)
{
HTM_TR_End ();
TRIsOpen = false;
}
}
}
if (TRIsOpen)
HTM_TR_End ();
HTM_TABLE_End ();
}
else // No degrees with students found
/***** Show warning indicating no students found *****/
Usr_ShowWarningNoUsersFound (Rol_STD);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/**************** Show or print the stats of degrees as list *****************/
/*****************************************************************************/
static void Pho_ShowOrPrintListDegrees (struct Pho_DegPhotos *DegPhotos,
Pho_AvgPhotoSeeOrPrint_t SeeOrPrint)
{
extern bool (*Hie_GetDataByCod[Hie_NUM_LEVELS]) (struct Hie_Node *Node);
extern const char *Txt_No_INDEX;
extern const char *Txt_HIERARCHY_SINGUL_Abc[Hie_NUM_LEVELS];
extern const char *Txt_SEX_PLURAL_Abc[Usr_NUM_SEXS];
MYSQL_RES *mysql_res;
MYSQL_ROW row;
unsigned long NumDeg;
unsigned long NumDegs;
unsigned NumDegsNotEmpty;
int NumStds;
int NumStdsWithPhoto;
struct Hie_Node Deg;
Usr_Sex_t Sex;
/***** Get degrees from database *****/
if ((NumDegs = Pho_DB_QueryDegrees (&mysql_res,DegPhotos->HowOrderDegrees))) // Degrees with students found
{
/***** Class photo start *****/
if (SeeOrPrint == Pho_DEGREES_SEE)
/***** Form to select type of list used to display degree photos *****/
Usr_ShowFormsToSelectUsrListType (ActSeePhoDeg,Pho_PutParsDegPhoto,DegPhotos,NULL);
/***** Write heading *****/
HTM_TABLE_BeginCenterPadding (2);
HTM_TR_Begin (NULL);
HTM_TH (Txt_No_INDEX ,HTM_HEAD_RIGHT );
HTM_TH (Txt_HIERARCHY_SINGUL_Abc[Hie_DEG],HTM_HEAD_CENTER);
for (Sex = (Usr_Sex_t) 0;
Sex <= (Usr_Sex_t) (Usr_NUM_SEXS - 1);
Sex++)
HTM_TH (Txt_SEX_PLURAL_Abc[Sex],HTM_HEAD_CENTER);
HTM_TR_End ();
/***** Get degrees *****/
for (NumDeg = 0, NumDegsNotEmpty = 0, The_ResetRowColor ();
NumDeg < NumDegs;
NumDeg++, The_ChangeRowColor ())
{
/***** Get next degree *****/
row = mysql_fetch_row (mysql_res);
/* Get degree code (row[0]) */
if ((Deg.HieCod = Str_ConvertStrCodToLongCod (row[0])) <= 0)
Err_WrongDegreeExit ();
/* Get data of degree */
Hie_GetDataByCod[Hie_DEG] (&Deg);
HTM_TR_Begin (NULL);
/***** Show logo and name of this degree *****/
HTM_TD_Begin ("class=\"RM DAT_%s %s\"",
The_GetSuffix (),
The_GetColorRows ());
HTM_Unsigned (++NumDegsNotEmpty);
HTM_TD_End ();
/***** Show logo and name of this degree *****/
HTM_TD_Begin ("class=\"LM DAT_%s %s\"",
The_GetSuffix (),
The_GetColorRows ());
if (SeeOrPrint == Pho_DEGREES_SEE)
Deg_DrawDegreeLogoAndNameWithLink (&Deg,ActSeeDegInf,"CT ICO20x20");
else // Pho_DEGREES_PRINT
{
Lgo_DrawLogo (Hie_DEG,&Deg,"CT ICO20x20");
HTM_TxtF ("&nbsp;%s",Deg.FullName);
}
HTM_TD_End ();
for (Sex = (Usr_Sex_t) 0;
Sex <= (Usr_Sex_t) (Usr_NUM_SEXS - 1);
Sex++)
{
/***** Show average photo of students belonging to this degree *****/
Pho_GetNumStdsInDegree (Deg.HieCod,Sex,&NumStds,&NumStdsWithPhoto);
HTM_TD_Begin ("class=\"CLASSPHOTO CLASSPHOTO_%s RM %s\"",
The_GetSuffix (),
The_GetColorRows ());
if (Gbl.Usrs.Listing.WithPhotos)
Pho_ShowDegreeAvgPhotoAndStat (&Deg,DegPhotos,
SeeOrPrint,Sex,
NumStds,NumStdsWithPhoto);
else
Pho_ShowDegreeStat (NumStds,NumStdsWithPhoto);
HTM_TD_End ();
}
HTM_TR_End ();
}
/***** Photos end *****/
HTM_TABLE_End ();
}
else // No degrees with students found!
/***** Show warning indicating no students found *****/
Usr_ShowWarningNoUsersFound (Rol_STD);
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
/*****************************************************************************/
/*** Get number of students and number of students with photo in a degree ****/
/*****************************************************************************/
static void Pho_GetNumStdsInDegree (long DegCod,Usr_Sex_t Sex,
int *NumStds,int *NumStdsWithPhoto)
{
MYSQL_RES *mysql_res;
MYSQL_ROW row;
/***** Get the number of students in a degree from database *****/
if (Pho_DB_GetNumStdsInDegree (&mysql_res,DegCod,Sex))
{
row = mysql_fetch_row (mysql_res);
/* Get number of students (row[0])
and number of students with photo (row[1]) */
if (sscanf (row[0],"%d",NumStds) != 1)
*NumStds = -1;
if (sscanf (row[1],"%d",NumStdsWithPhoto) != 1)
*NumStdsWithPhoto = -1;
/***** Free structure that stores the query result *****/
DB_FreeMySQLResult (&mysql_res);
}
else
*NumStds = *NumStdsWithPhoto = -1;
}
/*****************************************************************************/
/******************* Show the average photo of a degree **********************/
/*****************************************************************************/
static void Pho_ShowDegreeStat (int NumStds,int NumStdsWithPhoto)
{
extern const char *Txt_photos;
HTM_SPAN_Begin ("class=\"DAT_%s\"",The_GetSuffix ());
HTM_TxtF ("%d&nbsp;",NumStds);
HTM_SPAN_End ();
HTM_SPAN_Begin ("class=\"DAT_SMALL_%s\"",The_GetSuffix ());
HTM_TxtF ("(%d&nbsp;%s,&nbsp;%d%%)",
NumStdsWithPhoto,Txt_photos,
NumStds > 0 ? (int) (((NumStdsWithPhoto * 100.0) / NumStds) + 0.5) :
0);
HTM_SPAN_End ();
}
/*****************************************************************************/
/******************* Show the average photo of a degree **********************/
/*****************************************************************************/
static void Pho_ShowDegreeAvgPhotoAndStat (const struct Hie_Node *Deg,
const struct Pho_DegPhotos *DegPhotos,
Pho_AvgPhotoSeeOrPrint_t SeeOrPrint,
Usr_Sex_t Sex,
int NumStds,int NumStdsWithPhoto)
{
extern const char *Usr_StringsSexDB[Usr_NUM_SEXS];
extern const char *Txt_students_ABBREVIATION;
extern const char *Txt_SEX_PLURAL_abc[Usr_NUM_SEXS];
extern const char *Txt_photos;
unsigned PhotoWidth;
unsigned PhotoHeight;
char PathRelAvgPhoto[PATH_MAX + 1];
char PhotoURL[WWW_MAX_BYTES_WWW + 1];
char PhotoCaption[1024 + Nam_MAX_BYTES_SHRT_NAME];
bool ShowDegPhoto;
char IdCaption[Frm_MAX_BYTES_ID + 1];
/***** Initializations *****/
PhotoURL[0] = '\0';
PhotoCaption[0] = '\0';
/***** Compute photo width and height
to be proportional to number of students *****/
Pho_ComputePhotoSize (DegPhotos,
NumStds,NumStdsWithPhoto,
&PhotoWidth,&PhotoHeight);
/***** Put link to degree *****/
if (SeeOrPrint == Pho_DEGREES_SEE)
{
Frm_BeginFormGoTo (ActSeeDegInf);
ParCod_PutPar (ParCod_Deg,Deg->HieCod);
HTM_BUTTON_Submit_Begin (Str_BuildGoToTitle (Deg->FullName),
"class=\"BT_LINK\"");
Str_FreeGoToTitle ();
}
/***** Check if photo of degree can be shown *****/
if (Gbl.Usrs.Me.Role.Logged == Rol_SYS_ADM)
ShowDegPhoto = (NumStds > 0);
else
ShowDegPhoto = (NumStds > 0 &&
NumStdsWithPhoto >= Cfg_MIN_PHOTOS_TO_SHOW_AVERAGE);
if (ShowDegPhoto)
{
snprintf (PathRelAvgPhoto,sizeof (PathRelAvgPhoto),"%s/%s/%ld_%s.jpg",
Cfg_PATH_PHOTO_PUBLIC,
Pho_StrAvgPhotoDirs[DegPhotos->TypeOfAverage],
Deg->HieCod,Usr_StringsSexDB[Sex]);
if (Fil_CheckIfPathExists (PathRelAvgPhoto))
{
snprintf (PhotoURL,sizeof (PhotoURL),"%s/%s/%ld_%s.jpg",
Cfg_URL_PHOTO_PUBLIC,
Pho_StrAvgPhotoDirs[DegPhotos->TypeOfAverage],
Deg->HieCod,Usr_StringsSexDB[Sex]);
if (SeeOrPrint == Pho_DEGREES_SEE)
{
/***** Hidden div to pass user's name to Javascript *****/
snprintf (PhotoCaption,sizeof (PhotoCaption),
"%s<br />"
"%d&nbsp;%s&nbsp;(%s)<br />"
"%d&nbsp;%s&nbsp;(%d%%)",
Deg->ShrtName,
NumStds,Txt_students_ABBREVIATION,Txt_SEX_PLURAL_abc[Sex],
NumStdsWithPhoto,Txt_photos,
NumStds > 0 ? (int) (((NumStdsWithPhoto * 100.0) / NumStds) + 0.5) :
0);
Frm_SetUniqueId (IdCaption);
HTM_DIV_Begin ("id=\"%s\" class=\"NOT_SHOWN\"",IdCaption);
HTM_DIV_Begin ("class=\"ZOOM_TXT DAT_STRONG_%s\"",
The_GetSuffix ());
HTM_Txt (PhotoCaption);
HTM_DIV_End ();
HTM_DIV_End ();
}
}
}
/***** Show photo *****/
if (PhotoURL[0])
{
if (PhotoCaption[0])
HTM_IMG (PhotoURL,NULL,Deg->ShrtName,
" style=\"width:%upx;height:%upx;\""
" onmouseover=\"zoom(this,'%s','%s');\""
" onmouseout=\"noZoom();\"",
PhotoWidth,PhotoHeight,
PhotoURL,IdCaption);
else
HTM_IMG (PhotoURL,NULL,Deg->ShrtName,
" style=\"width:%upx;height:%upx;\" />",
PhotoWidth,PhotoHeight);
}
else
HTM_IMG (Cfg_URL_ICON_PUBLIC,"usr_bl.jpg",Deg->ShrtName,
"style=\"width:%upx;height:%upx;\"",
PhotoWidth,PhotoHeight);
/***** Caption *****/
HTM_DIV_Begin ("class=\"CLASSPHOTO_CAPTION CLASSPHOTO_%s\"",
The_GetSuffix ());
HTM_Txt (Deg->ShrtName);
HTM_BR ();
HTM_TxtF ("%d&nbsp;%s",NumStds,Txt_students_ABBREVIATION);
HTM_BR ();
HTM_TxtF ("%d&nbsp;%s",NumStdsWithPhoto,Txt_photos);
HTM_BR ();
HTM_TxtF ("(%d%%)",
NumStds > 0 ? (int) (((NumStdsWithPhoto * 100.0) / NumStds) + 0.5) :
0);
HTM_DIV_End ();
if (SeeOrPrint == Pho_DEGREES_SEE)
{
HTM_BUTTON_End ();
Frm_EndForm ();
}
}
/*****************************************************************************/
/******** Compute photo width and height for class photo of degrees **********/
/*****************************************************************************/
#define MIN_WIDTH_PHOTO 10
#define MIN_HEIGHT_PHOTO 15
#define MIN_PIXELS_PHOTO (MIN_WIDTH_PHOTO * MIN_HEIGHT_PHOTO)
#define DEF_WIDTH_PHOTO 45
#define DEF_HEIGHT_PHOTO 60
#define DEF_PIXELS_PHOTO (DEF_WIDTH_PHOTO * DEF_HEIGHT_PHOTO)
#define MAX_WIDTH_PHOTO 90
#define MAX_HEIGHT_PHOTO 120
#define MAX_PIXELS_PHOTO (MAX_WIDTH_PHOTO * MAX_HEIGHT_PHOTO)
static void Pho_ComputePhotoSize (const struct Pho_DegPhotos *DegPhotos,
int NumStds,int NumStdsWithPhoto,
unsigned *PhotoWidth,unsigned *PhotoHeight)
{
unsigned PhotoPixels = DEF_PIXELS_PHOTO;
switch (DegPhotos->HowComputePhotoSize)
{
case Pho_PROPORTIONAL_TO_NUMBER_OF_STUDENTS:
if (DegPhotos->MaxStds > 0)
PhotoPixels = (unsigned) (((double) (MAX_PIXELS_PHOTO - MIN_PIXELS_PHOTO) /
DegPhotos->MaxStds) * NumStds +
MIN_PIXELS_PHOTO + 0.5);
break;
case Pho_PROPORTIONAL_TO_NUMBER_OF_PHOTOS:
if (DegPhotos->MaxStdsWithPhoto > 0)
PhotoPixels = (unsigned) (((double) (MAX_PIXELS_PHOTO - MIN_PIXELS_PHOTO) /
DegPhotos->MaxStdsWithPhoto) * NumStdsWithPhoto +
MIN_PIXELS_PHOTO + 0.5);
break;
case Pho_PROPORTIONAL_TO_PERCENT:
if (DegPhotos->MaxPercent > 0.0)
{
if (NumStds)
PhotoPixels = (unsigned) (((double) (MAX_PIXELS_PHOTO - MIN_PIXELS_PHOTO) /
DegPhotos->MaxPercent) *
((double) NumStdsWithPhoto / NumStds) +
MIN_PIXELS_PHOTO + 0.5);
else
{
*PhotoWidth = MIN_WIDTH_PHOTO;
*PhotoHeight = MIN_HEIGHT_PHOTO;
return;
}
}
break;
case Pho_UNIQUE_SIZE:
*PhotoWidth = DEF_WIDTH_PHOTO;
*PhotoHeight = DEF_HEIGHT_PHOTO;
return;
}
*PhotoWidth = (unsigned) (sqrt (((double) Pho_PHOTO_REAL_WIDTH /
(double) Pho_PHOTO_REAL_HEIGHT) *
(double) PhotoPixels) + 0.5);
*PhotoHeight = (unsigned) (((double) Pho_PHOTO_REAL_HEIGHT /
(double) Pho_PHOTO_REAL_WIDTH) *
(double) *PhotoWidth + 0.5);
}
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