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/*
WhenWasIt (birthday reminder) plugin for Miranda IM
Copyright © 2006 Cristian Libotean
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "commonheaders.h"
#include "date_utils.h"
time_t Today()
{
time_t now = time(NULL);
struct tm* date = localtime(&now);
date->tm_hour = date->tm_min = date->tm_sec = 0;
return mktime(date);
}
bool IsDOBValid(int year, int month, int day)
{
return (year != 0 && month != 0 && day != 0);
}
int GetContactDOB(HANDLE hContact, int &year, int &month, int &day)
{
year = db_get_w(hContact, "UserInfo", "DOBy", 0);
month = db_get_b(hContact, "UserInfo", "DOBm", 0);
day = db_get_b(hContact, "UserInfo", "DOBd", 0);
if ( IsDOBValid(year, month, day))
return DOB_USERINFO;
year = db_get_w(hContact, "mBirthday", "BirthYear", 0);
month = db_get_b(hContact, "mBirthday", "BirthMonth", 0);
day = db_get_b(hContact, "mBirthday", "BirthDay", 0);
if ( IsDOBValid(year, month, day))
return DOB_MBIRTHDAY;
char *szProto = GetContactProto(hContact);
year = db_get_w(hContact, szProto, "BirthYear", 0);
month = db_get_b(hContact, szProto, "BirthMonth", 0);
day = db_get_b(hContact, szProto, "BirthDay", 0);
if ( IsDOBValid(year, month, day))
return DOB_PROTOCOL;
year = db_get_w(hContact, "BirthDay", "BirthYear", 0);
month = db_get_b(hContact, "BirthDay", "BirthMonth", 0);
day = db_get_b(hContact, "BirthDay", "BirthDay", 0);
if ( IsDOBValid(year, month, day))
return DOB_BIRTHDAYREMINDER;
year = db_get_dw(hContact, "micqBirthday", "BirthYear", 0);
month = db_get_dw(hContact, "micqBirthday", "BirthMonth", 0);
day = db_get_dw(hContact, "micqBirthday", "BirthDay", 0);
if ( IsDOBValid(year, month, day))
return DOB_MICQBIRTHDAY;
return DOB_UNKNOWN;
}
int GetContactAge(HANDLE hContact)
{
int year, month, day;
time_t tNow;
time(&tNow);
struct tm *now = localtime(&tNow);
GetContactDOB(hContact, year, month, day);
return (now->tm_year + 1900) - year;
}
char GetContactGender(HANDLE hContact)
{
char gender = db_get_b(hContact, "UserInfo", "Gender", 'U');
if (gender == 'U')
gender = db_get_b(hContact, GetContactProto(hContact), "Gender", 'U');
return gender;
}
bool IsLeapYear(int year)
{
return ((year % 400 == 0) || ((year % 4 == 0) && (year % 100 != 0)));
}
unsigned int GetDaysDifference(time_t time1, time_t time2)
{
errno = 0;
double diff = difftime(time1, time2);
if (errno == 0) {
diff = diff / (60 * 60 * 24);
int days = (int) floor(diff);
if (days < 0) {
struct tm *date = gmtime(&time1);
int leap = 0;
if ((date->tm_mon > 2) && (IsLeapYear(date->tm_year))) //if month > feb and it's a leap year
leap = 1;
days = 365 + days + leap;
}
return days;
}
return 0x7fffffff;
}
int GetDaysDifferenceAfter(time_t time1, time_t time2)
{
errno = 0;
double diff = difftime(time1, time2);
if (errno == 0)
{
diff = diff / (60 * 60 * 24);
int days = (int) floor(diff);
if (days > 0)
{
return -1;
}
return -days;
}
return -1;
}
unsigned int DaysToBirthday(time_t now, int ctYear, int ctMonth, int ctDay)
{
if ( IsDOBValid(ctYear, ctMonth, ctDay)) {
struct tm ct = {0};
struct tm *tmp = gmtime(&now);
ct.tm_year = tmp->tm_year;
ct.tm_mon = ctMonth - 1;
ct.tm_mday = ctDay;
time_t ctBirthday = mktime(&ct);
return GetDaysDifference(ctBirthday, now);
}
return -1;
}
int DaysAfterBirthday(time_t now, int ctYear, int ctMonth, int ctDay)
{
if ( IsDOBValid(ctYear, ctMonth, ctDay)) {
struct tm ct = {0};
struct tm *tmp = gmtime(&now);
ct.tm_year = tmp->tm_year;
ct.tm_mon = ctMonth - 1;
ct.tm_mday = ctDay;
time_t ctBirthday = mktime(&ct);
return GetDaysDifferenceAfter(ctBirthday, now);
}
return -1;
}
void FillProtocol(char *&sYear, char *&sMonth, char *&sDay)
{
sYear = "BirthYear";
sMonth = "BirthMonth";
sDay = "BirthDay";
}
void FillmBirthday(char *&module, char *&sYear, char *&sMonth, char *&sDay)
{
module = "mBirthday";
sYear = "BirthYear";
sMonth = "BirthMonth";
sDay = "BirthDay";
}
void FillStandard(char *&module, char *&sYear, char *&sMonth, char *&sDay)
{
module = "UserInfo";
sYear = "DOBy";
sMonth = "DOBm";
sDay = "DOBd";
}
int SaveBirthday(HANDLE hContact, int year, int month, int day, int mode)
{
char *sModule, *sdModule, *sd2Module; //s* = keep, sd* = delete, sd2* = delete
char *sYear, *sdYear, *sd2Year;
char *sMonth, *sdMonth, *sd2Month;
char *sDay, *sdDay, *sd2Day;
char *protocol = GetContactProto(hContact);
switch (mode) {
case SAVE_MODE_MBIRTHDAY:
FillmBirthday(sModule, sYear, sMonth, sDay);
FillStandard(sdModule, sdYear, sdMonth, sdDay);
sd2Module = protocol;
FillProtocol(sd2Year, sd2Month, sd2Day);
break;
case SAVE_MODE_PROTOCOL:
sModule = protocol;
FillProtocol(sYear, sMonth, sDay);
FillmBirthday(sd2Module, sd2Year, sd2Month, sd2Day);
FillStandard(sdModule, sdYear, sdMonth, sdDay);
break;
case SAVE_MODE_STANDARD:
default:
FillStandard(sModule, sYear, sMonth, sDay);
FillmBirthday(sdModule, sdYear, sdMonth, sdDay);
sd2Module = protocol;
FillProtocol(sd2Year, sd2Month, sd2Day);
break;
}
if (mode == SAVE_MODE_DELETEALL) {
db_unset(hContact, sModule, sYear);
db_unset(hContact, sModule, sMonth);
db_unset(hContact, sModule, sDay);
}
else {
db_set_dw(hContact, sModule, sYear, year);
db_set_b(hContact, sModule, sMonth, month);
db_set_b(hContact, sModule, sDay, day);
}
db_unset(hContact, sdModule, sdYear);
db_unset(hContact, sdModule, sdMonth);
db_unset(hContact, sdModule, sdDay);
db_unset(hContact, sd2Module, sd2Year);
db_unset(hContact, sd2Module, sd2Month);
db_unset(hContact, sd2Module, sd2Day);
db_unset(hContact, "BirthDay", "BirthYear");
db_unset(hContact, "BirthDay", "BirthMonth");
db_unset(hContact, "BirthDay", "BirthDay");
return 0;
}
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