Merge remote-tracking branch 'upstream/master'

1 files changed, 335 insertions, 0 deletions

diff --git a/mod/thing.php b/mod/thing.php
new file mode 100644
index 000000000..b6d59a3ee
--- /dev/null
+++ b/mod/thing.php
@@ -0,0 +1,335 @@
+<?php /** @file */
+
+require_once('include/items.php');
+require_once('include/contact_selectors.php');
+
+
+function thing_init(&$a) {
+
+	if(! local_user())
+		return;
+
+
+
+
+	$account_id = $a->get_account();
+	$channel    = $a->get_channel();
+
+	$term_hash = (($_REQUEST['term_hash']) ? $_REQUEST['term_hash'] : '');
+
+	$name = escape_tags($_REQUEST['term']);
+	$verb = escape_tags($_REQUEST['verb']);
+	$activity = intval($_REQUEST['activity']);
+	$profile_guid = escape_tags($_REQUEST['profile_assign']);
+	$url = $_REQUEST['link'];
+	$photo = $_REQUEST['img'];
+
+	$hash = random_string();
+
+
+	$verbs = obj_verbs();
+
+	/** 
+	 * verbs: [0] = first person singular, e.g. "I want", [1] = 3rd person singular, e.g. "Bill wants" 
+	 * We use the first person form when creating an activity, but the third person for use in activities
+	 * FIXME: There is no accounting for verb gender for languages where this is significant. We may eventually
+	 * require obj_verbs() to provide full conjugations and specify which form to use in the $_REQUEST params to this module.
+	 */
+
+	$translated_verb = $verbs[$verb][1];
+
+	/** 
+	 * The site administrator can do things that normals cannot.
+	 * This is restricted because it will likely cause
+	 * an activitystreams protocol violation and the activity might
+	 * choke in some other network and result in unnecessary 
+	 * support requests. It isn't because we're trying to be heavy-handed
+	 * about what you can and can't do. 
+	 */
+
+	if(! $translated_verb) {
+		if(is_site_admin())
+			$translated_verb = $verb;
+	} 
+	
+	/**
+	 * Things, objects: We do not provide definite (a, an) or indefinite (the) articles or singular/plural designators
+	 * That needs to be specified in your thing. e.g. Mike has "a carrot", Greg wants "balls", Bob likes "the Boston Red Sox".  
+	 */
+
+	/**
+	 * Future work on this module might produce more complex activities with targets, e.g. Phillip likes Karen's moustache
+	 * and to describe other non-thing objects like channels, such as Karl wants Susan - where Susan represents a channel profile.
+	 */
+ 
+	if((! $name) || (! $translated_verb))
+		return;
+
+
+
+
+
+	if($term_hash) {
+		$t = q("select * from obj left join term on obj_obj = term_hash where term_hash != '' and obj_type = %d and term_hash = '%s' limit 1",
+			intval(TERM_OBJ_THING),
+			dbesc($term_hash)
+		);
+		if(! $t) {
+			notice( t('Item not found.') . EOL);
+			return;
+		}
+		$orig_record = $t[0];
+		if($photo != $orig_record['imgurl']) {
+			$arr = import_profile_photo($photo,get_observer_hash(),true);
+			$local_photo = $arr[0];
+			$local_photo_type = $arr[3];
+		}
+		else
+			$local_photo = $orig_record['imgurl'];
+
+		$r = q("update term  set term = '%s', url = '%s', imgurl = '%s' where term_hash = '%s' and uid = %d limit 1",
+			dbesc($name),
+			dbesc(($url) ? $url : z_root() . '/thing/' . $term_hash),
+			dbesc($local_photo),
+			dbesc($term_hash),
+			intval(local_user())
+		);
+
+		info( t('Thing updated') . EOL);
+		return;
+	}
+
+	$sql = (($profile_guid) ? " and profile_guid = '" . dbesc($profile_guid) . "' " : " and is_default = 1 ");
+	$p = q("select profile_guid, is_default from profile where uid = %d $sql limit 1",
+		intval(local_user())
+	);
+
+	if($p)
+		$profile = $p[0];
+	else
+		return;
+
+	$local_photo = null;
+
+	if($photo) {
+		$arr = import_profile_photo($photo,get_observer_hash(),true);
+		$local_photo = $arr[0];
+		$local_photo_type = $arr[3];
+	}
+
+
+	$r = q("select * from term where uid = %d and otype = %d and type = %d and term = '%s' limit 1",
+		intval(local_user()),
+		intval(TERM_OBJ_THING),
+		intval(TERM_THING),
+		dbesc($name)
+	);
+	if(! $r) {
+		$r = q("insert into term ( aid, uid, oid, otype, type, term, url, imgurl, term_hash )
+			values( %d, %d, %d, %d, %d, '%s', '%s', '%s', '%s' ) ",
+			intval($account_id),
+			intval(local_user()),
+			0,
+			intval(TERM_OBJ_THING),
+			intval(TERM_THING),
+			dbesc($name),
+			dbesc(($url) ? $url : z_root() . '/thing/' . $hash),
+			dbesc(($photo) ? $local_photo : ''),
+			dbesc($hash)
+		);
+		$r = q("select * from term where uid = %d and otype = %d and type = %d and term = '%s' limit 1",
+			intval(local_user()),
+			intval(TERM_OBJ_THING),
+			intval(TERM_THING),
+			dbesc($name)
+		);
+	}
+	$term = $r[0];
+
+	$r = q("insert into obj ( obj_page, obj_verb, obj_type, obj_channel, obj_obj) values ('%s','%s', %d, %d, '%s') ",
+		dbesc($profile['profile_guid']),
+		dbesc($verb),
+		intval(TERM_OBJ_THING),
+		intval(local_user()),
+		dbesc($term['term_hash'])
+	);
+
+	if(! $r) {
+		notice( t('Object store: failed'));
+		return;
+	}
+
+	info( t('Thing added'));
+
+
+	if($activity) {
+		$arr = array();
+		$links = array(array('rel' => 'alternate','type' => 'text/html', 'href' => $term['url']));
+		if($local_photo)
+			$links[] = array('rel' => 'photo', 'type' => $local_photo_type, 'href' => $local_photo);
+
+
+		$objtype = ACTIVITY_OBJ_THING;
+
+		$obj = json_encode(array(
+			'type'    => $objtype,
+			'id'      => $term['url'],
+			'link'    => $links,
+			'title'   => $term['term'],
+			'content' => $term['term']
+		));
+
+		$bodyverb = str_replace('OBJ: ', '',t('OBJ: %1$s %2$s %3$s'));
+
+		$arr['owner_xchan']  = $channel['channel_hash'];
+		$arr['author_xchan'] = $channel['channel_hash'];
+
+
+		$arr['item_flags'] = ITEM_ORIGIN|ITEM_WALL|ITEM_THREAD_TOP;
+	
+		$ulink = '[zrl=' . $channel['xchan_url'] . ']' . $channel['channel_name'] . '[/zrl]';
+		$plink = '[zrl=' . $term['url'] . ']' . $term['term'] . '[/zrl]';
+
+		$arr['body'] =  sprintf( $bodyverb, $ulink, $translated_verb, $plink );
+
+		if($local_photo)
+			$arr['body'] .= "\n\n[zmg]" . $local_photo . "[/zmg]";
+
+		$arr['verb'] = $verb;
+		$arr['obj_type'] = $objtype;
+		$arr['object'] = $obj;
+
+		if(! $profile['is_default']) {
+			$arr['item_private'] = true;
+			$str = '';
+			$r = q("select abook_xchan from abook where abook_channel = %d and abook_profile = '%s'",
+				intval(local_user()),
+				dbesc($profile_guid)
+			);
+			if($r) {
+				$arr['allow_cid'] = '';
+				foreach($r as $rr)
+					$arr['allow_cid'] .= '<' . $rr['abook_xchan'] . '>';
+			}
+			else
+				$arr['allow_cid'] = '<' . get_observer_hash() . '>';
+		}
+	
+		$ret = post_activity_item($arr);
+	}
+}
+
+
+function thing_content(&$a) {
+	
+	if(argc() == 2) {
+
+		$r = q("select * from obj left join term on obj_obj = term_hash where term_hash != '' and obj_type = %d and term_hash = '%s' limit 1",
+			intval(TERM_OBJ_THING),
+			dbesc(argv(1))
+		);
+
+		if($r) {
+			return replace_macros(get_markup_template('show_thing.tpl'), array(
+				'$header' => t('Show Thing'),
+				'$edit' => t('Edit'),
+				'$delete' => t('Delete'),
+				'$canedit' => ((local_user() && local_user() == $r[0]['obj_channel']) ? true : false), 
+				'$thing' => $r[0] ));
+		}
+		else {
+			notice( t('item not found.') . EOL);
+			return;
+		}
+	}
+
+	$channel = $a->get_channel();
+
+	if(! (local_user() && $channel)) {
+		notice( t('Permission denied.') . EOL);
+		return;
+	}
+
+	$thing_hash = '';
+	
+
+	if(argc() == 3 && argv(1) === 'edit') {
+		$thing_hash = argv(2);
+
+
+		$r = q("select * from obj left join term on obj_obj = term_hash where term_hash != '' and obj_type = %d and term_hash = '%s' limit 1",
+			intval(TERM_OBJ_THING),
+			dbesc($thing_hash)
+		);
+
+		if((! $r) || ($r[0]['obj_channel'] != local_user())) {
+			notice( t('Permission denied.') . EOL);
+			return '';
+		}
+
+
+		$o .= replace_macros(get_markup_template('thing_edit.tpl'),array(
+			'$thing_hdr' => t('Edit Thing'),
+			'$multiprof' => feature_enabled(local_user(),'multi_profiles'),
+			'$profile_lbl' => t('Select a profile'),
+			'$profile_select' => contact_profile_assign($r[0]['obj_page']),
+			'$verb_lbl' => $channel['channel_name'],
+			'$verb_select' => obj_verb_selector($r[0]['obj_verb']),
+			'$activity' => array('activity',t('Post an activity'),true,t('Only sends to viewers of the applicable profile')),
+			'$thing_hash' => $thing_hash,
+			'$thing_lbl' => t('Name of thing e.g. something'),
+			'$thething' => $r[0]['term'],
+			'$url_lbl' => t('URL of thing (optional)'),
+			'$theurl' => $r[0]['url'],
+			'$img_lbl' => t('URL for photo of thing (optional)'),
+			'$imgurl' => $r[0]['imgurl'],
+			'$submit' => t('Submit')
+		));
+
+		return $o;
+	}
+
+	if(argc() == 3 && argv(1) === 'drop') {
+		$thing_hash = argv(2);
+
+		$r = q("select * from obj left join term on obj_obj = term_hash where term_hash != '' and obj_type = %d and term_hash = '%s' limit 1",
+			intval(TERM_OBJ_THING),
+			dbesc($thing_hash)
+		);
+
+		if((! $r) || ($r[0]['obj_channel'] != local_user())) {
+			notice( t('Permission denied.') . EOL);
+			return '';
+		}
+
+
+		$x = q("delete from obj where obj_obj = '%s' and obj_type = %d and obj_channel = %d limit 1",
+			dbesc($thing_hash),
+			intval(TERM_OBJ_THING),
+			intval(local_user())
+		);
+		$x = q("delete from term where term_hash = '%s' and uid = %d limit 1",
+			dbesc($thing_hash),
+			intval(local_user())
+		);
+		return $o;
+	}
+
+	$o .= replace_macros(get_markup_template('thing_input.tpl'),array(
+		'$thing_hdr' => t('Add Thing to your Profile'),
+		'$multiprof' => feature_enabled(local_user(),'multi_profiles'),
+		'$profile_lbl' => t('Select a profile'),
+		'$profile_select' => contact_profile_assign(''),
+		'$verb_lbl' => $channel['channel_name'],
+		'$activity' => array('activity',t('Post an activity'),true,t('Only sends to viewers of the applicable profile')),
+		'$verb_select' => obj_verb_selector(),
+		'$thing_lbl' => t('Name of thing e.g. something'),
+		'$url_lbl' => t('URL of thing (optional)'),
+		'$img_lbl' => t('URL for photo of thing (optional)'),
+		'$submit' => t('Submit')
+	));
+
+	return $o;
+
+
+}