Got the solution finally!!! The code is not optimised yet but here it is:
(The accomodation holds total availability and the accomodation1 the
bookings...)
function
checkspecificdate($thespecificdatefrom,$thespecificdateto,$productid) {
list($dd1,$mm1,$1) = split(/, $thespecificdatefrom);
list($dd2,$mm2,$2) = split(/, $thespecificdateto);
$thespecificdateto = $2 . - . $mm2 . - . $dd2;
$thespecificdatefrom = $1 . - . $mm1 . - . $dd1;
$i=0;
$z=0;
while ($aday_later $thespecificdateto) {
$aday_later = date(Y-m-d,mktime(0,0,0,$mm1,$dd1+$i,$1));
$theas = 0;
$thead = 0;
$theat = 0;
$theaq = 0;
$thequery01 = SELECT *;
$thequery01 .= FROM accomodation;
$thequery01 .= WHERE accomodation_products_id= . $productid . AND
accomodation_from=' . $aday_later . ' AND accomodation_to=' .
$aday_later . ';
$result01 = mysql_query($thequery01);
if ($result01) {
while ($thes = mysql_fetch_array($result01)) {
$theas = stripslashes($thes[accomodation_single]);
$thead = stripslashes($thes[accomodation_double]);
$theat = stripslashes($thes[accomodation_triple]);
$theaq = stripslashes($thes[accomodation_quadriple]);
}
}
$theas3 = 0;
$thead3 = 0;
$theat3 = 0;
$theaq3 = 0;
$thequery01 = SELECT SUM(accomodation1_single) AS theas3,
SUM(accomodation1_double) AS thead3, SUM(accomodation1_triple) AS theat3,
SUM(accomodation1_quadriple) AS theaq3;
$thequery01 .= FROM accomodation1;
$thequery01 .= WHERE accomodation1_products_id= . $productid . AND
accomodation1_from=' . $aday_later . ' AND accomodation1_to=' .
$aday_later . ';
$result01 = mysql_query($thequery01);
if ($result01) {
while ($thes = mysql_fetch_array($result01)) {
$theas3 = stripslashes($thes[theas3]);
$thead3 = stripslashes($thes[thead3]);
$theat3 = stripslashes($thes[theat3]);
$theaq3 = stripslashes($thes[theaq3]);
}
}
if (($theas - $theas3=0) || ($thead - $thead3=0) || ($theat -
$theat3=0) || ($theaq - $theaq3=0)) {
$z++;
}
$i++;
}
return $z;
}
if (checkspecificdate($thedate1,$thedate2,$productid)==0) {
//ALLOW BOOKING
} else {
//DO NOT ALLOW BOOKING
}
- Original Message -
From: adriano ghezzi [EMAIL PROTECTED]
To: php-general@lists.php.net
Sent: Wednesday, September 21, 2005 2:09 AM
Subject: Re: [PHP] BOOKING SYSTEM
well I did it in the past, at the end after a lot of tests and
simulation i decided for
warehouse table
id_hotel, date, num_total_rooms, num_booked_rooms
this is day by day handling it is really flexible you can satisfy each
kind of request with very
simple queries
you also gain more flexibility in period definition you canalso easily
handling dsingle day workout and so on
2005/9/20, php @ net mines [EMAIL PROTECTED]:
Hi all
I have a hotel booking system where for sppecific periods we have
specific
availability
e.g. hotel_id, hotel_name, hotel_fromperiod, hotel_toperiod,
hotel_availablesinglerooms
1, Hilton, 20/06/05, 20/08/05, 20
We have a second table for recording the bookings
e.g.hotel1_id, hotel1_name, hotel1_fromperiod, hotel1_toperiod,
hotel1_availablesinglerooms
1, Hilton, 01/07/05, 20/07/05, 1
2, Hilton, 20/06/05, 25/07/05, 1
3, Hilton, 25/06/05, 27/06/05, 19
4, Hilton, 05/07/05, 05/08/05, 2
Let's say that someone wants to book from the 25/06/05 - 29/06/05 what
kind
of function-SQL do I have to run to check whether there is availability?
(in this example there should be availability between 27 and 29 but not
between 25 and 27).
Is this way of structuring the easiest and more efficient?
Thank you
Mario
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