listing_edit.php

<?php

include_once("includes/inc.global.php");

/** Loads the current listing with whatever parameters (old or new) were given. */
function LoadListing() {
	global $cDB;
	$listing = new cListing;
	if (!$_REQUEST['id'])
		// Old primary key
		$listing->LoadListingOldPK($cDB->UnEscTxt($_REQUEST['title']), $_REQUEST['member_id'], substr($_REQUEST['type'],0,1));
	else
		$listing->LoadListing($_REQUEST['id']);
	return $listing;
}

$cUser->MustBeLoggedOn();
$p->site_section = LISTINGS;

$listing = LoadListing();

if ($listing->type==OFFER_LISTING)
	$p->page_title = _("Edit Offered:")." ". $listing->title;
else
	$p->page_title = _("Edit Wanted:")." ". $listing->title;

include_once("classes/class.listing.php");
include("includes/inc.forms.php");

//
// First we define the form
//
if($_REQUEST["mode"] == "admin") {  // Administrator is creating listing for another member
	$cUser->MustBeLevel(1);
	$form->addElement("hidden","mode","admin");
	$form->addElement("hidden", "member_id", $listing->member->member_id);
} else {  // Member is creating offer for his/her self
	$cUser->MustBeLoggedOn();

	// Check whether user owns this listing
	if ($cUser->member_id != $listing->member->member_id) {
		$cErr->Error(_("Cannot edit listing: It appears to belong to someone else"));
		$cErr->InternalError($cUser->member_id
			." tried to edit listing ". $listing->listing_id ." owned by ". $listing->member->member_id);
		$p->DisplayPage(sprintf("<a href=listing_to_edit.php?type=%s&mode=self>%s</a>",
			$listing->type, _("Edit another listing")));
		exit();
	}

	$form->addElement("hidden","member_id", $cUser->member_id);
	$form->addElement("hidden","mode","self");
}

$form->addElement('text', 'title', _("Title"), array('size' => 30, 'maxlength' => 60));
$form->addRule('title',_("Enter a title"),'required');
$form->registerRule('verify_not_duplicate','function','verify_not_duplicate');
$form->addRule('title','You already have a listing with this title','verify_not_duplicate');

$category_list = new cCategoryList();
$form->addElement('select', 'category', _("Category"), $category_list->MakeCategoryArray());
$form->addRule('category',_("Pick a category"),'required'); // Doesn't validate much, but at least indicates visually that it is required

if(USE_RATES)
	$form->addElement('text', 'rate', _("Rate"), array('size' => 15, 'maxlength' => 30));
else
	$form->addElement('hidden', 'rate');

$form->addElement('hidden', 'id', $_REQUEST['id']);
$form->addElement('static', null, _("Description"), null);
$form->addElement('textarea', 'description', null, array('cols'=>45, 'rows'=>5, 'wrap'=>'soft'));
$form->addElement('html', '<TR><TD></TD><TD><BR></TD></TR>');
$form->addElement('advcheckbox', 'set_expire_date', _("Should this listing be set to automatically expire?"));
$today = getdate();
$options = array('language'=> 'en', 'format' => 'dFY', 'minYear' => $today['year'],'maxYear' =>$today['year']+5, 'addEmptyOption'=>'Y', 'emptyOptionValue'=>'0');
$form->addElement('date','expire_date', _("Expires"), $options);
$form->registerRule('verify_future_date','function','verify_future_date');
$form->addRule('expire_date',_("Expiration must be for a future date"),'verify_future_date');
$form->registerRule('verify_valid_date','function','verify_valid_date');
$form->addRule('expire_date',_("Date is invalid"),'verify_valid_date');
$form->addElement('advcheckbox', 'set_reactivate_date', _("Should this listing be made temporarily inactive?"));
$form->addElement('date','reactivate_date', _("Reactivates"), $options);
$form->addRule('reactivate_date',_("Must be a future date"),'verify_future_date');
$form->addRule('reactivate_date',_("Date is invalid"),'verify_valid_date');
$form->addElement('submit', 'btnSubmit', _("Update"));

//
// Then check if we are processing a submission or just displaying the form
//
if ($form->validate()) { // Form is validated so processes the data
	$form->freeze();
	$form->process('process_data', false);
} else {  // Massage existing values and display them
	if ($listing->expire_date) {
		$temporary_listing = true;
		$expire_date = array ('d'=>substr($listing->expire_date,8,2),'F'=>date('n',strtotime($listing->expire_date)),'Y'=>substr($listing->expire_date,0,4));  // Using 'n' due to a bug in Quickform
	} else {
		$temporary_listing = false;
		$expire_date = array("d"=>0, "F"=>0, "Y"=>0);
	}
	if ($listing->reactivate_date) {
		$inactive_listing = true;
		$reactivate_date = array ('d'=>substr($listing->reactivate_date,8,2),'F'=>date('n',strtotime($listing->reactivate_date)),'Y'=>substr($listing->reactivate_date,0,4));  // Using 'n' due to a bug in Quickform
	} else {
		$inactive_listing = false;
		$reactivate_date = array("d"=>0, "F"=>0, "Y"=>0);
	}

	$current_values = array (
		"title" => $listing->title,
		"description" => $listing->description,
		"rate" => $listing->rate,
		"category" => $listing->category->id,
		"set_expire_date" => $temporary_listing,
		"expire_date" => $expire_date,
		"set_reactivate_date" => $inactive_listing,
		"reactivate_date" => $reactivate_date
	);

	$form->setDefaults($current_values);
	$p->DisplayPage($form->toHtml());  // just display the form
}

//
// The form has been submitted with valid data, so process it
//
function process_data ($values) {
	global $p, $cUser,$cErr, $listing;
	$list = "";

	$date = $values['expire_date'];
	$expire_date = $date['Y'] . '/' . $date['F'] . '/' . $date['d'];
	$date = $values['reactivate_date'];
	$reactivate_date = $date['Y'] . '/' . $date['F'] . '/' . $date['d'];

	if($values['set_expire_date'] and $expire_date != "0/0/0") {
		// they checked the box and entered a date, so store the value
		$listing->expire_date = htmlspecialchars($expire_date);
	} elseif ($listing->expire_date==null and $expire_date != "0/0/0") {
		// they didn't check it but they changed the date, so store
		$listing->expire_date = htmlspecialchars($expire_date);
	} else {
		$listing->expire_date = null;
		if($listing->status == 'E') // they must have unchecked the box or blanked the date
			$listing->status = 'A';
	}

	if($values['set_reactivate_date'] and $reactivate_date != "0/0/0") {
		// they checked the box and entered a date, so store the value
		$listing->reactivate_date = htmlspecialchars($reactivate_date);
		$listing->status = 'I';
	} elseif ($listing->reactivate_date==null and $reactivate_date != "0/0/0") {
		// they didn't check it but they changed the date, so store
		$listing->reactivate_date = htmlspecialchars($reactivate_date);
		$listing->status = 'I';
	} else {
		$listing->reactivate_date = null;
		if($listing->status == 'I') // they must have unchecked the box or blanked the date
			$listing->status = 'A';
	}

	$listing->title = htmlspecialchars($values['title'], ENT_NOQUOTES);
	$listing->description = htmlspecialchars($values['description'], ENT_NOQUOTES);
	$listing->category->id = htmlspecialchars($values['category']);
	$listing->rate = $values['rate'];

	$saved = false;
	// Check that we only edit the member's listings
	if ($listing->member->member_id == $cUser->member_id || $_REQUEST['mode'] == 'admin')
		$saved = $listing->SaveListing();
	else
		$cErr->InternalError($cUser->member_id
			." tried to edit listing ". $listing->listing_id ." owned by ". $listing->member->member_id);

	if($saved) {
		$list .= _("Listing changes saved. Do you want to").' <A HREF="listing_to_edit.php?mode='. $_REQUEST['mode'] .'&member_id='. $listing->member->member_id .'&type='. $listing->type .'">'._("edit").'</A> '._("another listing?");
	} else {
		$cErr->Error(_("There was an error saving the listing.")." "._("Please try again later."));
	}
    $p->DisplayPage($list);
}

//
// And finally, the following functions verify form data
//
function verify_future_date ($element_name,$element_value) {
	global $form, $listing;

	if ($listing->status == 'E' and !$form->getElementValue("set_expire_date")) {
		return true; // They must have unchecked the box to reactivate the listing
	}
	
	$date = $element_value;

	if($date['F'] == '0' and $date['d'] == '0' and $date['Y'] == '0')
		return true;
	
	$date_str = $date['Y'] . '/' . $date['F'] . '/' . $date['d'];

	if (strtotime($date_str) <= strtotime("now")) // date is a past date
		return false;
	else
		return true;
}

function verify_valid_date ($element_name,$element_value) {
	$date = $element_value;
	
	if($date['F'] == '0' and $date['d'] == '0' and $date['Y'] == '0')
		return true;
	return checkdate($date['F'],$date['d'],$date['Y']);
}

function verify_not_duplicate ($element_name,$element_value) {
	global $cUser, $listing;

	return !cListing::HasDuplicateTitle($listing, $element_value);
}

?>