ここでは、予約可能な車と利用できない車のリストを別々にするための解決策を示します。これは非常に便利です。
予約可能な車のリストを取得します。すなわち）。特定の日付間隔で予約可能..
select *,'available' as status from cars where CarID not in(SELECT CarID FROM reservations
WHERE UNIX_TIMESTAMP( CONCAT( startDate, ' ', startTime ) ) <= $startTimestamp
AND UNIX_TIMESTAMP( CONCAT( endDate, ' ', endTime ) ) >= $endTimestamp)WHERE deleted = 'no' group by make,model order by make,model asc
予約のために利用できない車のリストを取得します。すなわち）。特定の日付間隔ですでに予約されています..
select *,'not available' as status from cars where CarID not in(SELECT CarID FROM reservations
WHERE UNIX_TIMESTAMP( CONCAT( startDate, ' ', startTime ) ) <= $startTimestamp
AND UNIX_TIMESTAMP( CONCAT( endDate, ' ', endTime ) ) >= $endTimestamp)WHERE deleted = 'no' group by make,model order by make,model asc
注：日付をタイムスタンプ形式に変換してください..
$startDateTime="21/04/2013 13:00:00"; //date example
list($sDay, $sMonth, $sYear, $sHour, $sMinute,$sSeconds) = split('[/ :]', $startDateTime);
$startTimestamp=mktime($sHour, $sMinute,$sSeconds, $sMonth, $sDay, $sYear);
$endDateTime="29/04/2013 13:00:00"; //date example
list($eDay, $eMonth, $eYear, $eHour, $eMinute,$eSeconds) = split('[/ :]', $endDateTime);
$endTimestamp=mktime($eHour, $eMinute,$eSeconds, $eMonth, $eDay, $eYear);
コードは以下のとおりです。
<?php
$startDateTime="21/04/2013 13:00:00"; //date example
list($sDay, $sMonth, $sYear, $sHour, $sMinute,$sSeconds) = split('[/ :]', $startDateTime);
$startTimestamp=mktime($sHour, $sMinute,$sSeconds, $sMonth, $sDay, $sYear);
$endDateTime="29/04/2013 13:00:00"; //date example
list($eDay, $eMonth, $eYear, $eHour, $eMinute,$eSeconds) = split('[/ :]', $endDateTime);
$endTimestamp=mktime($eHour, $eMinute,$eSeconds, $eMonth, $eDay, $eYear);
$carstringAvailable = mysql_query("select *,'available' as status from cars
WHERE CarID not in(
SELECT CarID FROM reservations
WHERE UNIX_TIMESTAMP( CONCAT( startDate, ' ', startTime ) ) <= $start_Timestamp
AND UNIX_TIMESTAMP( CONCAT( endDate, ' ', endTime ) ) >= $end_Timestamp
)
AND deleted = 'no' group by make,model order by make,model asc");
$getcarsAvailable = $carstringAvailable;
?>
<h3>Available cars for reservation</h3>
<table>
<tr>
<th>CarID</th><th>make</th><th>model</th><th>serial</th><th>image</th><th>status</th>
</tr>
<?php
if(mysql_num_rows($getcarsAvailable)>0)
{
while($searchcarsAvail = mysql_fetch_array($getcarsAvailable))
{
?>
<tr>
<td><?php echo $searchcarsAvail['CarID'];?></td>
<td><?php echo $searchcarsAvail['make'];?></td>
<td><?php echo $searchcarsAvail['model'];?></td>
<td><?php echo $searchcarsAvail['serial'];?></td>
<td><?php echo $searchcarsAvail['image'];?></td>
<td><?php echo $searchcarsAvail['status'];?></td>
</tr>
<?php
}
}
else
{
?>
<tr>
<td colspan='5'>No records found</td>
</tr>
<?php
}
?>
</table>
<?php
$carstringUnAvailable = mysql_query("select *,'available' as status from cars
WHERE CarID in(
SELECT CarID FROM reservations
WHERE UNIX_TIMESTAMP( CONCAT( startDate, ' ', startTime ) ) <= $start_Timestamp
AND UNIX_TIMESTAMP( CONCAT( endDate, ' ', endTime ) ) >= $end_Timestamp
)
AND deleted = 'no' group by make,model order by make,model asc");
$getcarsUnAvailable = $carstringUnAvailable;
?>
<h3>Already Reserved cars list</h3>
<table>
<tr>
<th>CarID</th><th>make</th><th>model</th><th>serial</th><th>image</th><th>status</th>
</tr>
<?php
if(mysql_num_rows($getcarsUnAvailable)>0)
{
while($searchcarsUnAvail = mysql_fetch_array($getcarsUnAvailable))
{
?>
<tr>
<td><?php echo $searchcarsUnAvail['CarID'];?></td>
<td><?php echo $searchcarsUnAvail['make'];?></td>
<td><?php echo $searchcarsUnAvail['model'];?></td>
<td><?php echo $searchcarsUnAvail['serial'];?></td>
<td><?php echo $searchcarsUnAvail['image'];?></td>
<td><?php echo $searchcarsUnAvail['status'];?></td>
</tr>
<?php
}
}
else
{
?>
<tr>
<td colspan='5'>No records found</td>
</tr>
<?php
}
?>
</table>