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<?php
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// $Id: view.php 307 2006-02-06 15:16:20Z stefan $
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/*
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 Website Baker Project <http://www.websitebaker.org/>
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 Copyright (C) 2004-2005, Ryan Djurovich
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 Website Baker is free software; you can redistribute it and/or modify
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 it under the terms of the GNU General Public License as published by
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 the Free Software Foundation; either version 2 of the License, or
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 (at your option) any later version.
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 Website Baker is distributed in the hope that it will be useful,
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 but WITHOUT ANY WARRANTY; without even the implied warranty of
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 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 GNU General Public License for more details.
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 You should have received a copy of the GNU General Public License
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 along with Website Baker; if not, write to the Free Software
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 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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*/
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/*
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The Website Baker Project would like to thank Rudolph Lartey <www.carbonect.com>
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for his contributions to this module - adding extra field types
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*/
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// Must include code to stop this file being access directly
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if(defined('WB_PATH') == false) { exit("Cannot access this file directly"); }
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// Function for generating an optionsfor a select field
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function make_option(&$n) {
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	// start option group if it exists
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	if (substr($n,0,2) == '[=') {
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	 	$n = '<optgroup label="'.substr($n,2,strlen($n)).'">';
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	} elseif ($n == ']') {
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		$n = '</optgroup>';
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	} else {
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		$n = '<option value="'.$n.'">'.$n.'</option>';
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	}
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}
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// Function for generating a checkbox
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function make_checkbox(&$n, $idx, $params) {
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	$field_id = $params[0];
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	$seperator = $params[1];
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	//$n = '<input class="field_checkbox" type="checkbox" id="'.$n.'" name="field'.$field_id.'" value="'.$n.'">'.'<font class="checkbox_label" onclick="javascript: document.getElementById(\''.$n.'\').checked = !document.getElementById(\''.$n.'\').checked;">'.$n.'</font>'.$seperator;
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	$n = '<input class="field_checkbox" type="checkbox" id="'.$n.'" name="field'.$field_id.'['.$idx.']" value="'.$n.'">'.'<font class="checkbox_label" onclick="javascript: document.getElementById(\''.$n.'\').checked = !document.getElementById(\''.$n.'\').checked;">'.$n.'</font>'.$seperator;
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}
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// Function for generating a radio button
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function make_radio(&$n, $idx, $params) {
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	$field_id = $params[0];
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	$group = $params[1];
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	$seperator = $params[2];
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	$n = '<input class="field_radio" type="radio" id="'.$n.'" name="field'.$field_id.'" value="'.$n.'">'.'<font class="radio_label" onclick="javascript: document.getElementById(\''.$n.'\').checked = true;">'.$n.'</font>'.$seperator;
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}
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// Work-out if the form has been submitted or not
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if($_POST == array()) {
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?>
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<style type="text/css">
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.required {
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	color: #FF0000;
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}
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.field_title {
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	font-size: 12px;
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	width: 100px;
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	vertical-align: top;
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	text-align:right;
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}
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.textfield {
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	font-size: 12px;
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	width: 200px;
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}
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.textarea {
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	font-size: 12px;
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	width: 90%;
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	height: 100px;
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}
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.field_heading {
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	font-size: 12px;
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	font-weight: bold;
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	border-bottom-width: 2px;
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	border-bottom-style: solid;
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	border-bottom-color: #666666;
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	padding-top: 10px;
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	color: #666666;
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}
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.select {
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	font-size: 12px;
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}
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.checkbox_label {
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	font-size: 11px;
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	cursor: pointer;
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}
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.radio_label {
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	font-size: 11px;
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	cursor: pointer;
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}
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.email {
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	font-size: 12px;
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	width: 200px;
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}
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</style>
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<?php
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// Get settings
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$query_settings = $database->query("SELECT header,field_loop,footer,use_captcha FROM ".TABLE_PREFIX."mod_form_settings WHERE section_id = '$section_id'");
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if($query_settings->numRows() > 0) {
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	$fetch_settings = $query_settings->fetchRow();
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	$header = str_replace('{WB_URL}',WB_URL,$fetch_settings['header']);
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	$field_loop = $fetch_settings['field_loop'];
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	$footer = str_replace('{WB_URL}',WB_URL,$fetch_settings['footer']);
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	$use_captcha = $fetch_settings['use_captcha'];
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} else {
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	$header = '';
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	$field_loop = '';
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	$footer = '';
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}
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// Add form starter code
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?>
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<form name="form" action="<?php echo $_SERVER['PHP_SELF']; ?>" method="post">
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<?php
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// Print header
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echo $header;
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// Get list of fields
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$query_fields = $database->query("SELECT * FROM ".TABLE_PREFIX."mod_form_fields WHERE section_id = '$section_id' ORDER BY position ASC");
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if($query_fields->numRows() > 0) {
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	while($field = $query_fields->fetchRow()) {
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		// Set field values
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		$field_id = $field['field_id'];
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		$value = $field['value'];
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		// Print field_loop after replacing vars with values
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		$vars = array('{TITLE}', '{REQUIRED}');
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		$values = array($field['title']);
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		if($field['required'] == 1) {
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			$values[] = '<font class="required">*</font>';
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		} else {
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			$values[] = '';
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		}
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		if($field['type'] == 'textfield') {
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			$vars[] = '{FIELD}';
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			$values[] = '<input type="text" name="field'.$field_id.'" id="field'.$field_id.'" maxlength="'.$field['extra'].'" value="'.$value.'" class="textfield" />';
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		} elseif($field['type'] == 'textarea') {
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			$vars[] = '{FIELD}';
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			$values[] = '<textarea name="field'.$field_id.'" id="field'.$field_id.'" class="textarea">'.$value.'</textarea>';
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		} elseif($field['type'] == 'select') {
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			$vars[] = '{FIELD}';
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			$options = explode(',', $value);
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			array_walk($options, 'make_option');
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			$field['extra'] = explode(',',$field['extra']); 
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			$values[] = '<select name="field'.$field_id.'[]" id="field'.$field_id.'" size="'.$field['extra'][0].'" '.$field['extra'][1].' class="select">'.implode($options).'</select>';
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		} elseif($field['type'] == 'heading') {
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			$vars[] = '{FIELD}';
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			$values[] = '<input type="hidden" name="field'.$field_id.'" id="field'.$field_id.'" value="===['.$field['title'].']===" />';
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			$tmp_field_loop = $field_loop;		// temporarily modify the field loop template
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			$field_loop = $field['extra'];
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		} elseif($field['type'] == 'checkbox') {
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			$vars[] = '{FIELD}';
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			$options = explode(',', $value);
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			array_walk($options, 'make_checkbox',array($field_id,$field['extra']));
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			$values[] = implode($options);
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		} elseif($field['type'] == 'radio') {
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			$vars[] = '{FIELD}';
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			$options = explode(',', $value);
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			array_walk($options, 'make_radio',array($field_id,$field['title'],$field['extra']));
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			$values[] = implode($options);
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		} elseif($field['type'] == 'email') {
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			$vars[] = '{FIELD}';
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			$values[] = '<input type="text" name="field'.$field_id.'" id="field'.$field_id.'" maxlength="'.$field['extra'].'" class="email" />';
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		}
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		if($field['type'] != '') {
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			echo str_replace($vars, $values, $field_loop);
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		}
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		if (isset($tmp_field_loop)) $field_loop = $tmp_field_loop;
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	}
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}
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// Captcha
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if($use_captcha) {
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	$_SESSION['captcha'] = '';
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	for($i = 0; $i < 5; $i++) {
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		$_SESSION['captcha'] .= rand(0,9);
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	}
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	?><tr><td class="field_title"><?php echo $TEXT['VERIFICATION']; ?>:</td><td>
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	<table cellpadding="2" cellspacing="0" border="0">
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	<tr><td><img src="<?php echo WB_URL; ?>/include/captcha.php?t=<?php echo time(); ?>" alt="Captcha" /></td>
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	<td><input type="text" name="captcha" maxlength="5" /></td>
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	</tr></table>
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	</td></tr>
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	<?php
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}
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// Print footer
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echo $footer;
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// Add form end code
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?>
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</form>
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<?php
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} else {
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	// Submit form data
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	// First start message settings
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	$query_settings = $database->query("SELECT email_to,email_from,email_subject,success_message,max_submissions,stored_submissions,use_captcha FROM ".TABLE_PREFIX."mod_form_settings WHERE section_id = '$section_id'");
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	if($query_settings->numRows() > 0) {
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		$fetch_settings = $query_settings->fetchRow();
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		$email_to = $fetch_settings['email_to'];
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		$email_from = $fetch_settings['email_from'];
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		if(substr($email_from, 0, 5) == 'field') {
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			// Set the email from field to what the user entered in the specified field
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			$email_from = $wb->add_slashes($_POST[$email_from]);
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		}
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		$email_subject = $fetch_settings['email_subject'];
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		$success_message = $fetch_settings['success_message'];
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		$max_submissions = $fetch_settings['max_submissions'];
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		$stored_submissions = $fetch_settings['stored_submissions'];
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		$use_captcha = $fetch_settings['use_captcha'];
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	} else {
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		exit($TEXT['UNDER_CONSTRUCTION']);
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	}
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	$email_body = '';
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	// Create blank "required" array
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	$required = array();
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	// Loop through fields and add to message body
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	// Get list of fields
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	$query_fields = $database->query("SELECT * FROM ".TABLE_PREFIX."mod_form_fields WHERE section_id = '$section_id' ORDER BY position ASC");
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	if($query_fields->numRows() > 0) {
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		while($field = $query_fields->fetchRow()) {
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			// Add to message body
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			if($field['type'] != '') {
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				if(!empty($_POST['field'.$field['field_id']])) {
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					if($field['type'] == 'email' AND $admin->validate_email($_POST['field'.$field['field_id']]) == false) {
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						$email_error = $MESSAGE['USERS']['INVALID_EMAIL'];
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					}
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					if($field['type'] == 'heading') {
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						$email_body .= $_POST['field'.$field['field_id']]."\n\n";
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					} elseif (!is_array($_POST['field'.$field['field_id']])) {
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						$email_body .= $field['title'].': '.$_POST['field'.$field['field_id']]."\n\n";
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					} else {
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						$email_body .= $field['title'].": \n";
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						foreach ($_POST['field'.$field['field_id']] as $k=>$v) {
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							$email_body .= $v."\n";
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						}
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						$email_body .= "\n";
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					}
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				} elseif($field['required'] == 1) {
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					$required[] = $field['title'];
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				}
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			}
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		}
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	}
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	// Captcha
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	if(extension_loaded('gd') AND function_exists('imageCreateFromJpeg')) { /* Make's sure GD library is installed */
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		if($use_captcha) {
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			if(isset($_POST['captcha']) AND $_POST['captcha'] != ''){
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				// Check for a mismatch
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				if(!isset($_POST['captcha']) OR !isset($_SESSION['captcha']) OR $_POST['captcha'] != $_SESSION['captcha']) {
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					$captcha_error = $MESSAGE['MOD_FORM']['INCORRECT_CAPTCHA'];
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				}
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			} else {
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				$captcha_error = $MESSAGE['MOD_FORM']['INCORRECT_CAPTCHA'];
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			}
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		}
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	}
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	if(isset($_SESSION['captcha'])) { unset($_SESSION['captcha']); }
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	// Addslashes to email body - proposed by Icheb in topic=1170.0
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	// $email_body = $wb->add_slashes($email_body);
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	// Check if the user forgot to enter values into all the required fields
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	if($required != array()) {
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		if(!isset($MESSAGE['MOD_FORM']['REQUIRED_FIELDS'])) {
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			echo 'You must enter details for the following fields';
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		} else {
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			echo $MESSAGE['MOD_FORM']['REQUIRED_FIELDS'];
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		}
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		echo ':<br /><ul>';
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		foreach($required AS $field_title) {
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			echo '<li>'.$field_title;
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		}
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		if(isset($email_error)) { echo '<li>'.$email_error.'</li>'; }
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		if(isset($captcha_error)) { echo '<li>'.$captcha_error.'</li>'; }
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		echo '</ul><a href="javascript: history.go(-1);">'.$TEXT['BACK'].'</a>';
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	} else {
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		if(isset($email_error)) {
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			echo '<br /><ul>';
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			echo '<li>'.$email_error.'</li>';
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			echo '</ul><a href="javascript: history.go(-1);">'.$TEXT['BACK'].'</a>';
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		} elseif(isset($captcha_error)) {
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			echo '<br /><ul>';
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			echo '<li>'.$captcha_error.'</li>';
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			echo '</ul><a href="javascript: history.go(-1);">'.$TEXT['BACK'].'</a>';
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		} else {
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		// Check how many times form has been submitted in last hour
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		$last_hour = time()-3600;
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		$query_submissions = $database->query("SELECT submission_id FROM ".TABLE_PREFIX."mod_form_submissions WHERE submitted_when >= '$last_hour'");
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		if($query_submissions->numRows() > $max_submissions) {
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			// Too many submissions so far this hour
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			echo $MESSAGE['MOD_FORM']['EXCESS_SUBMISSIONS'];
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			$success = false;
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		} else {
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			// Now send the email
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			if($email_to != '') {
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				if($email_from != '') {
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					if($wb->mail($email_from,$email_to,$email_subject,$email_body)) { $success = true; }
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				}
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			}				
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			// Write submission to database
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			if(isset($admin) AND $admin->get_user_id() > 0) {
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				$admin->get_user_id();
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			} else {
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				$submitted_by = 0;
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			}
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			$email_body = $wb->add_slashes($email_body);
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			$database->query("INSERT INTO ".TABLE_PREFIX."mod_form_submissions (page_id,section_id,submitted_when,submitted_by,body) VALUES ('".PAGE_ID."','$section_id','".mktime()."','$submitted_by','$email_body')");
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			// Make sure submissions table isn't too full
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			$query_submissions = $database->query("SELECT submission_id FROM ".TABLE_PREFIX."mod_form_submissions ORDER BY submitted_when");
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			$num_submissions = $query_submissions->numRows();
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			if($num_submissions > $stored_submissions) {
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				// Remove excess submission
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				$num_to_remove = $num_submissions-$stored_submissions;
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				while($submission = $query_submissions->fetchRow()) {
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					if($num_to_remove > 0) {
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						$submission_id = $submission['submission_id'];
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						$database->query("DELETE FROM ".TABLE_PREFIX."mod_form_submissions WHERE submission_id = '$submission_id'");
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						$num_to_remove = $num_to_remove-1;
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					}
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				}
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			}
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			if(!$database->is_error()) {
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				$success = true;
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			}
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		}
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		// Now check if the email was sent successfully
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		if(isset($success) AND $success == true) {
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			echo $success_message;
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		} else {
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			echo $TEXT['ERROR'];
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		}
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		}
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	}
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}
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?>
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