path: root/Zotlabs/Module/Tagrm.php

<?php
namespace Zotlabs\Module;

require_once('include/bbcode.php');


class Tagrm extends \Zotlabs\Web\Controller {

	function post() {
	
		if(! local_channel())
			goaway(z_root() . '/' . $_SESSION['photo_return']);
	
	
		if((x($_POST,'submit')) && ($_POST['submit'] === t('Cancel')))
			goaway(z_root() . '/' . $_SESSION['photo_return']);
	
		$tag =  ((x($_POST,'tag'))  ? trim($_POST['tag'])       : '');
		$item = ((x($_POST,'item')) ? intval($_POST['item'])    : 0 );
	
		$r = q("SELECT * FROM item WHERE id = %d AND uid = %d LIMIT 1",
			intval($item),
			intval(local_channel())
		);
	
		if(! $r)
			goaway(z_root() . '/' . $_SESSION['photo_return']);
	
		$r = fetch_post_tags($r,true);
	
		$item = $r[0];
		$new_tags = array();
	
		if($item['term']) {
			for($x = 0; $x < count($item['term']); $x ++) {
				if($item['term'][$x]['term'] !== hex2bin($tag))
					$new_tags[] = $item['term'][$x];
			}
		}
	
		if($new_tags)
			$item['term'] = $new_tags;
		else
			unset($item['term']);
	
		item_store_update($item);
	
		info( t('Tag removed') . EOL );
		goaway(z_root() . '/' . $_SESSION['photo_return']);
		
		// NOTREACHED
	
	}
	
	
	
	function get() {
	
		if(! local_channel()) {
			goaway(z_root() . '/' . $_SESSION['photo_return']);
			// NOTREACHED
		}
	
		// remove tag on the fly if item and tag are provided
		if((argc() == 4) && (argv(1) === 'drop') && intval(argv(2))) {
	
			$item = intval(argv(2));
			$tag = argv(3);
	
			$r = q("SELECT * FROM item WHERE id = %d AND uid = %d LIMIT 1",
				intval($item),
				intval(local_channel())
			);
	
			if(! $r)
				goaway(z_root() . '/' . $_SESSION['photo_return']);
	
			$r = fetch_post_tags($r,true);
	
			$item = $r[0];
	
			$new_tags = array();
	
			if($item['term']) {
				for($x = 0; $x < count($item['term']); $x ++) {
					if($item['term'][$x]['term'] !== hex2bin($tag))
						$new_tags[] = $item['term'][$x];
				}
			}
	
			if($new_tags)
				$item['term'] = $new_tags;
			else
				unset($item['term']);
	
			item_store_update($item);
	
			info( t('Tag removed') . EOL );
			goaway(z_root() . '/' . $_SESSION['photo_return']);
	
		}
	
		//if we got only the item print a list of tags to select
		if((argc() == 3) && (argv(1) === 'drop') && intval(argv(2))) {
	
			$o = '';
	
			$item = intval(argv(2));
	
			$r = q("SELECT * FROM item WHERE id = %d AND uid = %d LIMIT 1",
				intval($item),
				intval(local_channel())
			);
	
			if(! $r)
				goaway(z_root() . '/' . $_SESSION['photo_return']);
	
			$r = fetch_post_tags($r,true);
	
			if(! count($r[0]['term']))
				goaway(z_root() . '/' . $_SESSION['photo_return']);
	
			$o .= '<h3>' . t('Remove Item Tag') . '</h3>';
	
			$o .= '<p id="tag-remove-desc">' . t('Select a tag to remove: ') . '</p>';
	
			$o .= '<form id="tagrm" action="tagrm" method="post" >';
			$o .= '<input type="hidden" name="item" value="' . $item . '" />';
			$o .= '<ul>';
	
	
			foreach($r[0]['term'] as $x) {
				$o .= '<li><input type="checkbox" name="tag" value="' . bin2hex($x['term']) . '" >' . bbcode($x['term']) . '</input></li>';
			}
	
			$o .= '</ul>';
			$o .= '<input id="tagrm-submit" type="submit" name="submit" value="' . t('Remove') .'" />';
			$o .= '<input id="tagrm-cancel" type="submit" name="submit" value="' . t('Cancel') .'" />';
			$o .= '</form>';
	
			return $o;
	
		}
		
	}
	
}