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search.php
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search.php
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<?php
define('BASE','./');
$current_view = 'search';
require_once(BASE.'functions/ical_parser.php');
require_once(BASE.'functions/list_functions.php');
require_once(BASE.'functions/template.php');
header("Content-Type: text/html; charset=$phpiCal_config->charset");
$display_date = $lang['l_results'];
if (isset($_SERVER['HTTP_REFERER']) && $_SERVER['HTTP_REFERER'] != '') {
$back_page = $_SERVER['HTTP_REFERER'];
} else {
$back_page = BASE.$phpiCal_config->default_view.'.php?cal='.$cal.'&getdate='.$getdate;
}
$query = '';
$search_valid = false;
if (isset($_GET['query']) && $_GET['query'] != '') {
$query = $_GET['query'];
$search_valid = true;
}
$search_box = '';
$search_box .=
'<div style="width: 160px;">'."\n".
'<form action="search.php" method="get">'."\n".
'<input type="hidden" name="cpath" value="'.$cpath.'">'."\n".
'<input type="hidden" name="cal" value="'.$cal.'">'."\n".
'<input type="hidden" name="getdate" value="'.$getdate.'">'."\n".
'<input type="text" style="width: 130px; float: left;" name="query" value="'.$query.'">'."\n".
'<input type="image" src="templates/'.$phpiCal_config->template.'/images/search.gif" border="0" style="border-bottom: 3px;" name="submit" value="Search">'."\n".
'</form>'."\n".
'</div>';
$search_started = getmicrotime();
if ($search_valid) {
$format_search_arr = format_search($query);
if (!$format_search_arr[0]) {
$formatted_search = '<b>'.$no_query_lang.'</b>';
} else {
$formatted_search = $format_search_arr[0];
}
if (isset($master_array) && is_array($master_array)) {
foreach($master_array as $date_key_tmp => $date_tmp) {
if (is_array($date_tmp)) {
foreach($date_tmp as $time_tmp) {
if (is_array($time_tmp)) {
foreach ($time_tmp as $uid_tmp => $event_tmp) {
if (is_array($event_tmp)) {
if (!isset($the_arr[$uid_tmp]) || isset($event_tmp['exception'])) {
#print_r($format_search_arr);
#print_r($event_tmp);
#echo "<br>this event:".$event_tmp['event_text']."<br>";
$results1 = false;
$results2 = false;
if (isset($event_tmp['event_text'])) {
$results1 = search_boolean($format_search_arr,$event_tmp['event_text']);
}
if (!$results1 && isset($event_tmp['description'])) {
$results2 = search_boolean($format_search_arr,$event_tmp['description']);
}
if ($results1 || $results2) {
$event_tmp['date'] = $date_key_tmp;
if (isset($event_tmp['recur'])) {
$event_tmp['recur'] = format_recur($event_tmp['recur']);
}
if (isset($the_arr[$uid_tmp])) {
$the_arr[$uid_tmp]['exceptions'][] = $event_tmp;
} else {
$the_arr[$uid_tmp] = $event_tmp;
}
}
}
}
}
}
}
}
}
}
} else {
$formatted_search = '<b>'.$lang['l_no_query'].'</b>';
}
$search_ended = getmicrotime();
$search_took = number_format(($search_ended-$search_started),3);
// takes a boolean search and formats it into an array
// use with sister function search_boolean()
function format_search($search_str) {
// init arrays
$and_arr = array();
$or_arr = array();
$not_arr = array();
$or_str_arr = array();
$search_str = strtolower($search_str);
if ($search_str == ' ') return array(false,$and_arr,$or_arr,$not_arr);
// clean up search string
$search_str = trim($search_str);
$search_str = str_replace(' and ', ' ', $search_str);
$search_str = str_replace(' - ', ' ', $search_str);
$search_str = preg_replace('[[:space:]]+',' ', $search_str);
$search_str = str_replace(' not ', ' -', $search_str);
// start out with an AND array of all the items
$and_arr = explode(' ', $search_str);
$count = count($and_arr);
$j = 0;
// build an OR array from the items in AND
for($i=0;$i<$count;$i++) {
if ($i != 0 && $and_arr[$i] == 'or') {
while ($and_arr[$i] == 'or') {
$or_arr[$j][] = $and_arr[$i-1];
array_splice($and_arr,$i-1,2);
$i--;
}
if (isset($and_arr[$i])) {
$or_arr[$j][] = $and_arr[$i];
array_splice($and_arr,$i,1);
}
$or_str_arr[$j] = implode('</b> OR <b>', $or_arr[$j]);
$j++;
}
}
// build a NOT array from the items in AND
foreach($and_arr as $key => $val) {
if (substr($val,0,1) == '-') {
$not_arr[] = substr($val,1);
array_splice($and_arr,$key,1);
} elseif(substr($val,0,1) == '+') {
$and_arr[] = substr($val,1);
array_splice($and_arr,$key,1);
}
}
// prepare our formatted search string
if (count($and_arr) > 1) {
$final_str_arr[] = implode('</b> AND <b>', $and_arr);
} elseif (isset($and_arr[0]) && $and_arr[0] != '') {
$final_str_arr[] = $and_arr[0];
}
if (count($or_str_arr) > 1) {
$final_str_arr[] = implode('</b> AND <b>', $or_str_arr);
} elseif (isset($or_str_arr[0]) && $or_str_arr[0] != '') {
$final_str_arr[] = $or_str_arr[0];
}
if (count($not_arr) > 1) {
$final_str_arr[] = '-'.implode('</b> AND <b>-', $not_arr);
} elseif (isset($not_arr[0]) && $not_arr[0] != '') {
$final_str_arr[] = '-'.$not_arr[0];
}
if (count($final_str_arr) > 1) {
$formatted_search = '<b>'.implode('</b> AND <b>', $final_str_arr).'</b>';
} else {
$formatted_search = '<b>'.$final_str_arr[0].'</b>';
}
return array($formatted_search, $and_arr, $or_arr, $not_arr);
}
// takes an array made by format_search() and checks to see if it
// it matches against a string
function search_boolean($needle_arr, $haystack) {
// init arrays
$and_arr = $needle_arr[1];
$or_arr = $needle_arr[2];
$not_arr = $needle_arr[3];
if (!$needle_arr[0]) return false;
if ((sizeof($and_arr) == 0) &&
(sizeof($or_arr) == 0) &&
(sizeof($not_arr) == 0)) return false;
// compare lowercase versions of the strings
$haystack = strtolower($haystack);
// check against the NOT
foreach($not_arr as $s) {
if (is_string(strstr($haystack,$s)) == true) {
return false;
}
}
// check against the AND
foreach($and_arr as $s) {
#echo "haystack: $haystack<br>needle: $s<br>";
if (is_string(strstr($haystack,$s)) == false) {
return false;
}
}
// check against the OR
foreach($or_arr as $or) {
$is_false = true;
foreach($or as $s) {
if (substr($s,0,1) == '-') {
if (is_string(strstr($haystack,substr($s,1))) == false) {
$is_false = false;
break;
}
} elseif (is_string(strstr($haystack,$s)) == true) {
$is_false = false;
break;
}
}
if ($is_false) return false;
}
// if we haven't returned false, then we return true
# echo "return true<br>";
return true;
}
function format_recur($arr) {
global $format_recur_lang, $monthsofyear_lang, $daysofweek_lang;
$d = $format_recur_lang['delimiter'];
$int = '';
$freq = '';
if (isset($arr['INTERVAL']) && isset($arr['FREQ'])) {
$int = $arr['INTERVAL'];
$tmp = (($int == '1') ? 0 : 1);
$freq = $arr['FREQ'];
$freq = $format_recur_lang[$freq][$tmp];
}
if (isset($arr['COUNT'])) $for = str_replace('%int%',$arr['COUNT'],$format_recur_lang['count']);
elseif (isset($arr['UNTIL'])) $for = str_replace('%date%',$arr['UNTIL'], $format_recur_lang['until']);
else $for = '';
$print = $format_recur_lang['start'];
$print = str_replace('%int%', $int, $print);
$print = str_replace('%freq%', $freq, $print);
$print = str_replace('%for%', $for, $print);
if (isset($arr['BYMONTH'])) {
$list = '';
$last = count($arr['BYMONTH']) - 1;
foreach ($arr['BYMONTH'] as $key => $month) {
if ($key == $last) $list .= $monthsofyear_lang[($month-1)];
else $list .= $monthsofyear_lang[($month-1)].$d;
}
$print .= '<br />'."\n";
$print .= str_replace('%list%', $list, $format_recur_lang['bymonth']);
}
if (isset($arr['BYMONTHDAY'])) {
$list = '';
if ($arr['BYMONTHDAY'][(count($arr['BYMONTHDAY']) - 1)] == '0') unset($arr['BYMONTHDAY'][$last]);
$last = count($arr['BYMONTHDAY']) - 1;
foreach ($arr['BYMONTHDAY'] as $key => $day) {
preg_match('/(-{0,1})([0-9]{1,2})/',$day,$regs);
list($junk,$sign,$day) = $regs;
if ($sign != '') $list .= $sign;
if ($key == $last) $list .= $day;
else $list .= $day.$d;
}
$print .= '<br />'."\n";
$print .= str_replace('%list%', $list, $format_recur_lang['bymonthday']);
}
if (isset($arr['BYDAY'])) {
$list = '';
$last = count($arr['BYDAY']) - 1;
foreach ($arr['BYDAY'] as $key => $day) {
preg_match('/([-\+]{0,1})([0-9]{0,1})([A-Z]{2})/',$day,$regs);
list($junk,$sign,$day_num,$day_txt) = $regs;
$num = two2threeCharDays($day_txt,false);
if ($sign != '') $list .= $sign;
if ($day_num != '') $list .= $day_num.' ';
if ($key == $last) $list .= $daysofweek_lang[$num];
else $list .= $daysofweek_lang[$num].$d;
}
$print .= '<br />'."\n";
$print .= str_replace('%list%', $list, $format_recur_lang['byday']);
}
return $print;
}
$page = new Page(BASE.'templates/'.$phpiCal_config->template.'/search.tpl');
$page->draw_search($page);
$page->replace_files(array(
'header' => BASE.'templates/'.$phpiCal_config->template.'/header.tpl',
'footer' => BASE.'templates/'.$phpiCal_config->template.'/footer.tpl',
'sidebar' => BASE.'templates/'.$phpiCal_config->template.'/sidebar.tpl',
'event_js' => BASE.'functions/event.js',
));
$page->replace_tags(array(
'version' => $phpiCal_config->phpicalendar_version,
'default_path' => $phpiCal_config->default_path,
'formatted_search' => $formatted_search,
'l_results' => $lang['l_results'],
'l_query' => $lang['l_query'],
'l_starting_on' => $lang['l_starting_on'],
'l_time' => $lang['l_time'],
'l_summary' => $lang['l_summary'],
'l_location' => $lang['l_location'],
'l_description' => $lang['l_description'],
'l_recurring_event' => $lang['l_recurring_event'],
'l_exception' => $lang['l_exception'],
'l_no_results' => $lang['l_no_results'],
'search_box' => $search_box,
'charset' => $phpiCal_config->charset,
'template' => $phpiCal_config->template,
'cal' => $cal,
'getdate' => $getdate,
'cpath' => $cpath,
'calendar_name' => $cal_displayname,
'display_date' => $display_date,
'rss_powered' => $rss_powered,
'rss_available' => '',
'rss_valid' => '',
'show_goto' => '',
'is_logged_in' => '',
'current_view' => $current_view,
'style_select' => '',
'l_goprint' => $lang['l_goprint'],
'l_preferences' => $lang['l_preferences'],
'l_calendar' => $lang['l_calendar'],
'l_legend' => $lang['l_legend'],
'l_tomorrows' => $lang['l_tomorrows'],
'l_jump' => $lang['l_jump'],
'l_todo' => $lang['l_todo'],
'l_day' => $lang['l_day'],
'l_week' => $lang['l_week'],
'l_month' => $lang['l_month'],
'l_year' => $lang['l_year'],
'l_subscribe' => $lang['l_subscribe'],
'l_download' => $lang['l_download'],
'l_this_months' => $lang['l_this_months'],
'l_powered_by' => $lang['l_powered_by'],
'l_this_site_is' => $lang['l_this_site_is']
));
$page->output();
#echo "<pre>";
#print_r($the_arr);
#echo "</pre>";
?>