PHP item_store_update函数代码示例

 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;
     }
 }

function import_items($channel, $items, $sync = false, $relocate = null)
{
    if ($channel && $items) {
        $allow_code = false;
        $r = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id \n\t\t\twhere channel_id = %d limit 1", intval($channel['channel_id']));
        if ($r) {
            if ($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE || $r[0]['channel_pageflags'] & PAGE_ALLOWCODE) {
                $allow_code = true;
            }
        }
        $deliver = false;
        // Don't deliver any messages or notifications when importing
        foreach ($items as $i) {
            $item_result = false;
            $item = get_item_elements($i, $allow_code);
            if (!$item) {
                continue;
            }
            if ($relocate && $item['mid'] === $item['parent_mid']) {
                item_url_replace($channel, $item, $relocate['url'], z_root(), $relocate['channel_address']);
            }
            $r = q("select id, edited from item where mid = '%s' and uid = %d limit 1", dbesc($item['mid']), intval($channel['channel_id']));
            if ($r) {
                // flags may have changed and we are probably relocating the post,
                // so force an update even if we have the same timestamp
                if ($item['edited'] >= $r[0]['edited']) {
                    $item['id'] = $r[0]['id'];
                    $item['uid'] = $channel['channel_id'];
                    $item_result = item_store_update($item, $allow_code, $deliver);
                }
            } else {
                $item['aid'] = $channel['channel_account_id'];
                $item['uid'] = $channel['channel_id'];
                $item_result = item_store($item, $allow_code, $deliver);
            }
            if ($sync && $item['item_wall']) {
                // deliver singletons if we have any
                if ($item_result && $item_result['success']) {
                    Zotlabs\Daemon\Master::Summon(['Notifier', 'single_activity', $item_result['item_id']]);
                }
            }
        }
    }
}

/**
 * @brief Just calls item_store_update() and logs result.
 *
 * @see item_store_update()
 * @param array $sender (unused)
 * @param array $item
 * @param int $uid (unused)
 */
function update_imported_item($sender, $item, $orig, $uid)
{
    // If this is a comment being updated, remove any privacy information
    // so that item_store_update will set it from the original.
    if ($item['mid'] !== $item['parent_mid']) {
        unset($item['allow_cid']);
        unset($item['allow_gid']);
        unset($item['deny_cid']);
        unset($item['deny_gid']);
        unset($item['item_private']);
    }
    $x = item_store_update($item);
    // If we're updating an event that we've saved locally, we store the item info first
    // because event_addtocal will parse the body to get the 'new' event details
    if ($orig['resource_type'] === 'event') {
        $res = event_addtocal($orig['id'], $uid);
        if (!$res) {
            logger('update event: failed');
        }
    }
    if (!$x['item_id']) {
        logger('update_imported_item: failed: ' . $x['message']);
    } else {
        logger('update_imported_item');
    }
}

function impel_init(&$a)
{
    $ret = array('success' => false);
    if (!local_channel()) {
        json_return_and_die($ret);
    }
    logger('impel: ' . print_r($_REQUEST, true), LOGGER_DATA);
    $elm = $_REQUEST['element'];
    $x = base64url_decode($elm);
    if (!$x) {
        json_return_and_die($ret);
    }
    $j = json_decode($x, true);
    if (!$j) {
        json_return_and_die($ret);
    }
    $channel = $a->get_channel();
    $arr = array();
    switch ($j['type']) {
        case 'webpage':
            $arr['item_restrict'] = ITEM_WEBPAGE;
            $namespace = 'WEBPAGE';
            $installed_type = t('webpage');
            break;
        case 'block':
            $arr['item_restrict'] = ITEM_BUILDBLOCK;
            $namespace = 'BUILDBLOCK';
            $installed_type = t('block');
            break;
        case 'layout':
            $arr['item_restrict'] = ITEM_PDL;
            $namespace = 'PDL';
            $installed_type = t('layout');
            break;
        default:
            logger('mod_impel: unrecognised element type' . print_r($j, true));
            break;
    }
    $arr['uid'] = local_channel();
    $arr['aid'] = $channel['channel_account_id'];
    $arr['title'] = $j['title'];
    $arr['body'] = $j['body'];
    $arr['term'] = $j['term'];
    $arr['created'] = datetime_convert('UTC', 'UTC', $j['created']);
    $arr['edited'] = datetime_convert('UTC', 'UTC', $j['edited']);
    $arr['owner_xchan'] = get_observer_hash();
    $arr['author_xchan'] = $j['author_xchan'] ? $j['author_xchan'] : get_observer_hash();
    $arr['mimetype'] = $j['mimetype'] ? $j['mimetype'] : 'text/bbcode';
    if (!$j['mid']) {
        $j['mid'] = item_message_id();
    }
    $arr['mid'] = $arr['parent_mid'] = $j['mid'];
    if ($j['pagetitle']) {
        require_once 'library/urlify/URLify.php';
        $pagetitle = strtolower(URLify::transliterate($j['pagetitle']));
    }
    // Verify ability to use html or php!!!
    $execflag = false;
    if ($arr['mimetype'] === 'application/x-php') {
        $z = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id where channel_id = %d limit 1", intval(local_channel()));
        if ($z && ($z[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE || $z[0]['channel_pageflags'] & PAGE_ALLOWCODE)) {
            $execflag = true;
        }
    }
    $remote_id = 0;
    $z = q("select * from item_id where sid = '%s' and service = '%s' and uid = %d limit 1", dbesc($pagetitle), dbesc($namespace), intval(local_channel()));
    $i = q("select id from item where mid = '%s' and uid = %d limit 1", dbesc($arr['mid']), intval(local_channel()));
    if ($z && $i) {
        $remote_id = $z[0]['id'];
        $arr['id'] = $i[0]['id'];
        // don't update if it has the same timestamp as the original
        if ($arr['edited'] > $i[0]['edited']) {
            $x = item_store_update($arr, $execflag);
        }
    } else {
        $x = item_store($arr, $execflag);
    }
    if ($x['success']) {
        $item_id = $x['item_id'];
    }
    update_remote_id($channel, $item_id, $arr['item_restrict'], $pagetitle, $namespace, $remote_id, $arr['mid']);
    $ret['success'] = true;
    info(sprintf(t('%s element installed'), $installed_type));
    json_return_and_die(true);
}

function store_doc_file($s)
{
    if (is_dir($s)) {
        return;
    }
    $item = array();
    $sys = get_sys_channel();
    $item['aid'] = 0;
    $item['uid'] = $sys['channel_id'];
    if (strpos($s, '.md')) {
        $mimetype = 'text/markdown';
    } elseif (strpos($s, '.html')) {
        $mimetype = 'text/html';
    } else {
        $mimetype = 'text/bbcode';
    }
    require_once 'include/html2plain.php';
    $item['body'] = html2plain(prepare_text(file_get_contents($s), $mimetype, true));
    $item['mimetype'] = 'text/plain';
    $item['plink'] = z_root() . '/' . str_replace('doc', 'help', $s);
    $item['owner_xchan'] = $item['author_xchan'] = $sys['channel_hash'];
    $item['item_type'] = ITEM_TYPE_DOC;
    $r = q("select item.* from item left join item_id on item.id = item_id.iid where service = 'docfile' and\n\t\tsid = '%s' and item_type = %d limit 1", dbesc($s), intval(ITEM_TYPE_DOC));
    if ($r) {
        $item['id'] = $r[0]['id'];
        $item['mid'] = $item['parent_mid'] = $r[0]['mid'];
        $x = item_store_update($item);
    } else {
        $item['mid'] = $item['parent_mid'] = item_message_id();
        $x = item_store($item);
    }
    if ($x['success']) {
        update_remote_id($sys, $x['item_id'], ITEM_TYPE_DOC, $s, 'docfile', 0, $item['mid']);
    }
}

/**
 * @brief Just calls item_store_update() and logs result.
 *
 * @see item_store_update()
 * @param array $sender (unused)
 * @param array $item
 * @param int $uid (unused)
 */
function update_imported_item($sender, $item, $uid)
{
    $x = item_store_update($item);
    if (!$x['item_id']) {
        logger('update_imported_item: failed: ' . $x['message']);
    } else {
        logger('update_imported_item');
    }
}

//.........这里部分代码省略.........
        if ($j['edited']) {
            $m['menu_edited'] = datetime_convert($j['edited']);
        }
        $m['menu_flags'] = 0;
        if ($j['flags']) {
            if (in_array('bookmark', $j['flags'])) {
                $m['menu_flags'] |= MENU_BOOKMARK;
            }
            if (in_array('system', $j['flags'])) {
                $m['menu_flags'] |= MENU_SYSTEM;
            }
        }
        $menu_id = menu_create($m);
        if ($menu_id) {
            if (is_array($j['items'])) {
                foreach ($j['items'] as $it) {
                    $mitem = array();
                    $mitem['mitem_link'] = str_replace('[baseurl]', z_root(), $it['link']);
                    $mitem['mitem_desc'] = escape_tags($it['desc']);
                    $mitem['mitem_order'] = intval($it['order']);
                    if (is_array($it['flags'])) {
                        $mitem['mitem_flags'] = 0;
                        if (in_array('zid', $it['flags'])) {
                            $mitem['mitem_flags'] |= MENU_ITEM_ZID;
                        }
                        if (in_array('new-window', $it['flags'])) {
                            $mitem['mitem_flags'] |= MENU_ITEM_NEWWIN;
                        }
                        if (in_array('chatroom', $it['flags'])) {
                            $mitem['mitem_flags'] |= MENU_ITEM_CHATROOM;
                        }
                    }
                    menu_add_item($menu_id, local_channel(), $mitem);
                }
                if ($j['edited']) {
                    $x = q("update menu set menu_edited = '%s' where menu_id = %d and menu_channel_id = %d", dbesc(datetime_convert('UTC', 'UTC', $j['edited'])), intval($menu_id), intval(local_channel()));
                }
            }
            $ret['success'] = true;
        }
        $x = $ret;
    } else {
        $arr['uid'] = local_channel();
        $arr['aid'] = $channel['channel_account_id'];
        $arr['title'] = $j['title'];
        $arr['body'] = $j['body'];
        $arr['term'] = $j['term'];
        $arr['layout_mid'] = $j['layout_mid'];
        $arr['created'] = datetime_convert('UTC', 'UTC', $j['created']);
        $arr['edited'] = datetime_convert('UTC', 'UTC', $j['edited']);
        $arr['owner_xchan'] = get_observer_hash();
        $arr['author_xchan'] = $j['author_xchan'] ? $j['author_xchan'] : get_observer_hash();
        $arr['mimetype'] = $j['mimetype'] ? $j['mimetype'] : 'text/bbcode';
        if (!$j['mid']) {
            $j['mid'] = item_message_id();
        }
        $arr['mid'] = $arr['parent_mid'] = $j['mid'];
        if ($j['pagetitle']) {
            require_once 'library/urlify/URLify.php';
            $pagetitle = strtolower(URLify::transliterate($j['pagetitle']));
        }
        // Verify ability to use html or php!!!
        $execflag = false;
        if ($arr['mimetype'] === 'application/x-php') {
            $z = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id where channel_id = %d limit 1", intval(local_channel()));
            if ($z && ($z[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE || $z[0]['channel_pageflags'] & PAGE_ALLOWCODE)) {
                $execflag = true;
            }
        }
        $remote_id = 0;
        $z = q("select * from item_id where sid = '%s' and service = '%s' and uid = %d limit 1", dbesc($pagetitle), dbesc($namespace), intval(local_channel()));
        $i = q("select id, edited, item_deleted from item where mid = '%s' and uid = %d limit 1", dbesc($arr['mid']), intval(local_channel()));
        if ($z && $i) {
            $remote_id = $z[0]['id'];
            $arr['id'] = $i[0]['id'];
            // don't update if it has the same timestamp as the original
            if ($arr['edited'] > $i[0]['edited']) {
                $x = item_store_update($arr, $execflag);
            }
        } else {
            if ($i && intval($i[0]['item_deleted'])) {
                // was partially deleted already, finish it off
                q("delete from item where mid = '%s' and uid = %d", dbesc($arr['mid']), intval(local_channel()));
            }
            $x = item_store($arr, $execflag);
        }
        if ($x['success']) {
            $item_id = $x['item_id'];
            update_remote_id($channel, $item_id, $arr['item_type'], $pagetitle, $namespace, $remote_id, $arr['mid']);
        }
    }
    if ($x['success']) {
        $ret['success'] = true;
        info(sprintf(t('%s element installed'), $installed_type));
    } else {
        notice(sprintf(t('%s element installation failed'), $installed_type));
    }
    //??? should perhaps return ret?
    json_return_and_die(true);
}

//.........这里部分代码省略.........
        if ($return_path) {
            goaway($a->get_baseurl() . "/" . $return_path);
        }
        $json = array('cancel' => 1);
        if (x($_REQUEST, 'jsreload') && strlen($_REQUEST['jsreload'])) {
            $json['reload'] = $a->get_baseurl() . '/' . $_REQUEST['jsreload'];
        }
        echo json_encode($json);
        killme();
    }
    if (mb_strlen($datarray['title']) > 255) {
        $datarray['title'] = mb_substr($datarray['title'], 0, 255);
    }
    if (array_key_exists('item_private', $datarray) && $datarray['item_private']) {
        $datarray['body'] = trim(z_input_filter($datarray['uid'], $datarray['body'], $datarray['mimetype']));
        if ($uid) {
            if ($channel['channel_hash'] === $datarray['author_xchan']) {
                $datarray['sig'] = base64url_encode(rsa_sign($datarray['body'], $channel['channel_prvkey']));
                $datarray['item_flags'] = $datarray['item_flags'] | ITEM_VERIFIED;
            }
        }
        logger('Encrypting local storage');
        $key = get_config('system', 'pubkey');
        $datarray['item_flags'] = $datarray['item_flags'] | ITEM_OBSCURED;
        if ($datarray['title']) {
            $datarray['title'] = json_encode(crypto_encapsulate($datarray['title'], $key));
        }
        if ($datarray['body']) {
            $datarray['body'] = json_encode(crypto_encapsulate($datarray['body'], $key));
        }
    }
    if ($orig_post) {
        $datarray['id'] = $post_id;
        item_store_update($datarray, $execflag);
        update_remote_id($channel, $post_id, $webpage, $pagetitle, $namespace, $remote_id, $mid);
        if (!$nopush) {
            proc_run('php', "include/notifier.php", 'edit_post', $post_id);
        }
        if (x($_REQUEST, 'return') && strlen($return_path)) {
            logger('return: ' . $return_path);
            goaway($a->get_baseurl() . "/" . $return_path);
        }
        killme();
    } else {
        $post_id = 0;
    }
    $post = item_store($datarray, $execflag);
    $post_id = $post['item_id'];
    if ($post_id) {
        logger('mod_item: saved item ' . $post_id);
        if ($parent) {
            // only send comment notification if this is a wall-to-wall comment,
            // otherwise it will happen during delivery
            if ($datarray['owner_xchan'] != $datarray['author_xchan'] && $parent_item['item_flags'] & ITEM_WALL) {
                notification(array('type' => NOTIFY_COMMENT, 'from_xchan' => $datarray['author_xchan'], 'to_xchan' => $datarray['owner_xchan'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . $datarray['mid'], 'verb' => ACTIVITY_POST, 'otype' => 'item', 'parent' => $parent, 'parent_mid' => $parent_item['mid']));
            }
        } else {
            $parent = $post_id;
            if ($datarray['owner_xchan'] != $datarray['author_xchan']) {
                notification(array('type' => NOTIFY_WALL, 'from_xchan' => $datarray['author_xchan'], 'to_xchan' => $datarray['owner_xchan'], 'item' => $datarray, 'link' => $a->get_baseurl() . '/display/' . $datarray['mid'], 'verb' => ACTIVITY_POST, 'otype' => 'item'));
            }
            if ($uid && $uid == $profile_uid && !$datarray['item_restrict']) {
                q("update channel set channel_lastpost = '%s' where channel_id = %d", dbesc(datetime_convert()), intval($uid));
            }
        }
        // photo comments turn the corresponding item visible to the profile wall

//.........这里部分代码省略.........
                        $height = $ph->getHeight();
                        $x = q("update photo set data = '%s', height = %d, width = %d where `resource_id` = '%s' and uid = %d and scale = 1 limit 1", dbesc($ph->imageString()), intval($height), intval($width), dbesc($resource_id), intval($page_owner_uid));
                    }
                    if ($width > 320 || $height > 320) {
                        $ph->scaleImage(320);
                        $width = $ph->getWidth();
                        $height = $ph->getHeight();
                        $x = q("update photo set data = '%s', height = %d, width = %d where `resource_id` = '%s' and uid = %d and scale = 2 limit 1", dbesc($ph->imageString()), intval($height), intval($width), dbesc($resource_id), intval($page_owner_uid));
                    }
                }
            }
        }
        $p = q("SELECT * FROM `photo` WHERE `resource_id` = '%s' AND `uid` = %d and ( photo_flags = %d or photo_flags = %d ) ORDER BY `scale` DESC", dbesc($resource_id), intval($page_owner_uid), intval(PHOTO_NORMAL), intval(PHOTO_PROFILE));
        if (count($p)) {
            $ext = $phototypes[$p[0]['type']];
            $r = q("UPDATE `photo` SET `description` = '%s', `album` = '%s', `allow_cid` = '%s', `allow_gid` = '%s', `deny_cid` = '%s', `deny_gid` = '%s' WHERE `resource_id` = '%s' AND `uid` = %d", dbesc($desc), dbesc($albname), dbesc($str_contact_allow), dbesc($str_group_allow), dbesc($str_contact_deny), dbesc($str_group_deny), dbesc($resource_id), intval($page_owner_uid));
        }
        $item_private = $str_contact_allow || $str_group_allow || $str_contact_deny || $str_group_deny ? true : false;
        /* Don't make the item visible if the only change was the album name */
        $visibility = 0;
        if ($p[0]['description'] !== $desc || strlen($rawtags)) {
            $visibility = 1;
        }
        if (!$item_id) {
            $item_id = photos_create_item($a->data['channel'], get_observer_hash(), $p[0], $visibility);
        }
        if ($item_id) {
            $r = q("SELECT * FROM `item` WHERE `id` = %d AND `uid` = %d LIMIT 1", intval($item_id), intval($page_owner_uid));
        }
        if ($r) {
            $old_tag = $r[0]['tag'];
            $old_inform = $r[0]['inform'];
        }
        // make sure the linked item has the same permissions as the photo regardless of any other changes
        $x = q("update item set allow_cid = '%s', allow_gid = '%s', deny_cid = '%s', deny_gid = '%s', item_private = %d\n\t\t\twhere id = %d limit 1", dbesc($str_contact_allow), dbesc($str_group_allow), dbesc($str_contact_deny), dbesc($str_group_deny), intval($item_private), intval($item_id));
        if (strlen($rawtags)) {
            $str_tags = '';
            $inform = '';
            // if the new tag doesn't have a namespace specifier (@foo or #foo) give it a mention
            $x = substr($rawtags, 0, 1);
            if ($x !== '@' && $x !== '#') {
                $rawtags = '@' . $rawtags;
            }
            $taginfo = array();
            $tags = get_tags($rawtags);
            if (count($tags)) {
                foreach ($tags as $tag) {
                    // If we already tagged 'Robert Johnson', don't try and tag 'Robert'.
                    // Robert Johnson should be first in the $tags array
                    $fullnametagged = false;
                    for ($x = 0; $x < count($tagged); $x++) {
                        if (stristr($tagged[$x], $tag . ' ')) {
                            $fullnametagged = true;
                            break;
                        }
                    }
                    if ($fullnametagged) {
                        continue;
                    }
                    require_once 'mod/item.php';
                    $body = $access_tag = '';
                    $success = handle_tag($a, $body, $access_tag, $str_tags, local_user() ? local_user() : $a->profile['profile_uid'], $tag);
                    logger('handle_tag: ' . print_r($success, tue), LOGGER_DEBUG);
                    if ($access_tag) {
                        logger('access_tag: ' . $tag . ' ' . print_r($access_tag, true), LOGGER_DEBUG);
                        if (strpos($access_tag, 'cid:') === 0) {
                            $str_contact_allow .= '<' . substr($access_tag, 4) . '>';
                            $access_tag = '';
                        } elseif (strpos($access_tag, 'gid:') === 0) {
                            $str_group_allow .= '<' . substr($access_tag, 4) . '>';
                            $access_tag = '';
                        }
                    }
                    if ($success['replaced']) {
                        $tagged[] = $tag;
                        $post_tags[] = array('uid' => $a->profile['profile_uid'], 'type' => $success['termtype'], 'otype' => TERM_OBJ_POST, 'term' => $success['term'], 'url' => $success['url']);
                    }
                }
            }
            $r = q("select * from item where id = %d and uid = %d limit 1", intval($item_id), intval($page_owner_uid));
            if ($r) {
                $datarray = $r[0];
                $datarray['term'] = $post_tags;
                item_store_update($datarray, $execflag);
            }
        }
        goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
        return;
        // NOTREACHED
    }
    /**
     * default post action - upload a photo
     */
    $_REQUEST['source'] = 'photos';
    $r = photo_upload($a->channel, $a->get_observer(), $_REQUEST);
    if (!$r['success']) {
        notice($r['message'] . EOL);
    }
    goaway($a->get_baseurl() . '/' . $_SESSION['photo_return']);
}

//.........这里部分代码省略.........
        $height = $link[2]['height'];
        $tag = $r2 ? '[zmg=' . $width . 'x' . $height . ']' : '[zmg]';
    }
    $author_link = '[zrl=' . z_root() . '/channel/' . $channel['channel_address'] . ']' . $channel['channel_name'] . '[/zrl]';
    $photo_link = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo_hash . ']' . t('a new photo') . '[/zrl]';
    $album_link = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/album/' . bin2hex($album) . ']' . (strlen($album) ? $album : '/') . '[/zrl]';
    $activity_format = sprintf(t('%1$s posted %2$s to %3$s', 'photo_upload'), $author_link, $photo_link, $album_link);
    $summary = ($args['body'] ? $args['body'] : '') . '[footer]' . $activity_format . '[/footer]';
    $obj_body = '[zrl=' . z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo_hash . ']' . $tag . z_root() . "/photo/{$photo_hash}-{$scale}." . $ph->getExt() . '[/zmg]' . '[/zrl]';
    // Create item object
    $object = array('type' => ACTIVITY_OBJ_PHOTO, 'title' => $title, 'created' => $p['created'], 'edited' => $p['edited'], 'id' => z_root() . '/photos/' . $channel['channel_address'] . '/image/' . $photo_hash, 'link' => $link, 'body' => $obj_body);
    $target = array('type' => ACTIVITY_OBJ_ALBUM, 'title' => $album ? $album : '/', 'id' => z_root() . '/photos/' . $channel['channel_address'] . '/album/' . bin2hex($album));
    // Create item container
    if ($args['item']) {
        foreach ($args['item'] as $i) {
            $item = get_item_elements($i);
            $force = false;
            if ($item['mid'] === $item['parent_mid']) {
                $item['body'] = $summary;
                $item['obj_type'] = ACTIVITY_OBJ_PHOTO;
                $item['obj'] = json_encode($object);
                $item['tgt_type'] = ACTIVITY_OBJ_ALBUM;
                $item['target'] = json_encode($target);
                if ($item['author_xchan'] === $channel['channel_hash']) {
                    $item['sig'] = base64url_encode(rsa_sign($item['body'], $channel['channel_prvkey']));
                    $item['item_verified'] = 1;
                } else {
                    $item['sig'] = '';
                }
                $force = true;
            }
            $r = q("select id, edited from item where mid = '%s' and uid = %d limit 1", dbesc($item['mid']), intval($channel['channel_id']));
            if ($r) {
                if ($item['edited'] > $r[0]['edited'] || $force) {
                    $item['id'] = $r[0]['id'];
                    $item['uid'] = $channel['channel_id'];
                    item_store_update($item, false, $deliver);
                    continue;
                }
            } else {
                $item['aid'] = $channel['channel_account_id'];
                $item['uid'] = $channel['channel_id'];
                $item_result = item_store($item, false, $deliver);
            }
        }
    } else {
        $mid = item_message_id();
        $arr = array();
        if ($lat && $lon) {
            $arr['coord'] = $lat . ' ' . $lon;
        }
        $arr['aid'] = $account_id;
        $arr['uid'] = $channel_id;
        $arr['mid'] = $mid;
        $arr['parent_mid'] = $mid;
        $arr['item_hidden'] = $item_hidden;
        $arr['resource_type'] = 'photo';
        $arr['resource_id'] = $photo_hash;
        $arr['owner_xchan'] = $channel['channel_hash'];
        $arr['author_xchan'] = $observer['xchan_hash'];
        $arr['title'] = $title;
        $arr['allow_cid'] = $ac['allow_cid'];
        $arr['allow_gid'] = $ac['allow_gid'];
        $arr['deny_cid'] = $ac['deny_cid'];
        $arr['deny_gid'] = $ac['deny_gid'];
        $arr['verb'] = ACTIVITY_POST;
        $arr['obj_type'] = ACTIVITY_OBJ_PHOTO;
        $arr['obj'] = json_encode($object);
        $arr['tgt_type'] = ACTIVITY_OBJ_ALBUM;
        $arr['target'] = json_encode($target);
        $arr['item_wall'] = 1;
        $arr['item_origin'] = 1;
        $arr['item_thread_top'] = 1;
        $arr['item_private'] = intval($acl->is_private());
        $arr['plink'] = z_root() . '/channel/' . $channel['channel_address'] . '/?f=&mid=' . $arr['mid'];
        $arr['body'] = $summary;
        // this one is tricky because the item and the photo have the same permissions, those of the photo.
        // Use the channel read_stream permissions to get the correct public_policy for the item and recalculate the
        // private flag accordingly. This may cause subtle bugs due to custom permissions roles. We want to use
        // public policy when federating items to other sites, but should probably ignore them when accessing the item
        // in the photos pages - using the photos permissions instead. We need the public policy to keep the photo
        // linked item from leaking into the feed when somebody has a channel with read_stream restrictions.
        $arr['public_policy'] = map_scope($channel['channel_r_stream'], true);
        if ($arr['public_policy']) {
            $arr['item_private'] = 1;
        }
        $result = item_store($arr, false, $deliver);
        $item_id = $result['item_id'];
        if ($visible && $deliver) {
            Zotlabs\Daemon\Master::Summon(array('Notifier', 'wall-new', $item_id));
        }
    }
    $ret['success'] = true;
    $ret['item'] = $arr;
    $ret['body'] = $obj_body;
    $ret['resource_id'] = $photo_hash;
    $ret['photoitem_id'] = $item_id;
    call_hooks('photo_upload_end', $ret);
    return $ret;
}

//.........这里部分代码省略.........
                $liid = q("select iid from iconfig where k = 'PDL' and v = '%s' and cat = 'system'", dbesc($element['layout']));
                if ($liid) {
                    $linfo = q("select mid from item where id = %d", intval($liid[0]['iid']));
                    $arr['layout_mid'] = $linfo[0]['mid'];
                }
            }
            break;
            //
            //	LAYOUTS
            //
        //
        //	LAYOUTS
        //
        case 'layout':
            $arr['item_type'] = ITEM_TYPE_PDL;
            $namespace = 'PDL';
            $name = $element['name'];
            $arr['title'] = $element['description'];
            $arr['term'] = $element['term'];
            break;
            //
            //	BLOCKS
            //
        //
        //	BLOCKS
        //
        case 'block':
            $arr['item_type'] = ITEM_TYPE_BLOCK;
            $namespace = 'BUILDBLOCK';
            $name = $element['name'];
            $arr['title'] = $element['title'];
            break;
        default:
            return null;
            // return null if invalid element type
    }
    $arr['uid'] = $channel['channel_id'];
    $arr['aid'] = $channel['channel_account_id'];
    // Check if an item already exists based on the name
    $iid = q("select iid from iconfig where k = '" . $namespace . "' and v = '%s' and cat = 'system'", dbesc($name));
    if ($iid) {
        // If the item does exist, get the item metadata
        $iteminfo = q("select mid,created,edited from item where id = %d", intval($iid[0]['iid']));
        $arr['mid'] = $arr['parent_mid'] = $iteminfo[0]['mid'];
        $arr['created'] = $iteminfo[0]['created'];
        $arr['edited'] = $element['edited'] ? datetime_convert('UTC', 'UTC', $element['edited']) : datetime_convert();
    } else {
        // otherwise, generate the creation times and unique id
        $arr['created'] = $element['created'] ? datetime_convert('UTC', 'UTC', $element['created']) : datetime_convert();
        $arr['edited'] = datetime_convert('UTC', 'UTC', '0000-00-00 00:00:00');
        $arr['mid'] = $arr['parent_mid'] = item_message_id();
    }
    // Import the actual element content
    $arr['body'] = file_get_contents($element['path']);
    // The element owner is the channel importing the elements
    $arr['owner_xchan'] = get_observer_hash();
    // The author is either the owner or whomever was specified
    $arr['author_xchan'] = $element['author_xchan'] ? $element['author_xchan'] : get_observer_hash();
    // Import mimetype if it is a valid mimetype for the element
    $mimetypes = ['text/bbcode', 'text/html', 'text/markdown', 'text/plain', 'application/x-pdl', 'application/x-php'];
    // Blocks and pages can have any mimetype, but layouts must be text/bbcode
    if (in_array($element['mimetype'], $mimetypes) && ($type === 'page' || $type === 'block')) {
        $arr['mimetype'] = $element['mimetype'];
    } else {
        $arr['mimetype'] = 'text/bbcode';
    }
    // Verify ability to use html or php!!!
    $execflag = false;
    if ($arr['mimetype'] === 'application/x-php') {
        $z = q("select account_id, account_roles, channel_pageflags from account " . "left join channel on channel_account_id = account_id where channel_id = %d limit 1", intval(local_channel()));
        if ($z && ($z[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE || $z[0]['channel_pageflags'] & PAGE_ALLOWCODE)) {
            $execflag = true;
        }
    }
    $z = q("select * from iconfig where v = '%s' and k = '%s' and cat = 'service' limit 1", dbesc($name), dbesc($namespace));
    $i = q("select id, edited, item_deleted from item where mid = '%s' and uid = %d limit 1", dbesc($arr['mid']), intval(local_channel()));
    $remote_id = 0;
    if ($z && $i) {
        $remote_id = $z[0]['id'];
        $arr['id'] = $i[0]['id'];
        // don't update if it has the same timestamp as the original
        if ($arr['edited'] > $i[0]['edited']) {
            $x = item_store_update($arr, $execflag);
        }
    } else {
        if ($i && intval($i[0]['item_deleted'])) {
            // was partially deleted already, finish it off
            q("delete from item where mid = '%s' and uid = %d", dbesc($arr['mid']), intval(local_channel()));
        }
        $x = item_store($arr, $execflag);
    }
    if ($x['success']) {
        $item_id = $x['item_id'];
        update_remote_id($channel, $item_id, $arr['item_type'], $name, $namespace, $remote_id, $arr['mid']);
        $element['import_success'] = 1;
    } else {
        $element['import_success'] = 0;
    }
    return $element;
}

//.........这里部分代码省略.........
             logger('Duplicate post. Faking plugin cancel.');
         }
     }
     call_hooks('post_local', $datarray);
     if (x($datarray, 'cancel')) {
         logger('mod_item: post cancelled by plugin or duplicate suppressed.');
         if ($return_path) {
             goaway(z_root() . "/" . $return_path);
         }
         $json = array('cancel' => 1);
         $json['reload'] = z_root() . '/' . $_REQUEST['jsreload'];
         echo json_encode($json);
         killme();
     }
     if (mb_strlen($datarray['title']) > 255) {
         $datarray['title'] = mb_substr($datarray['title'], 0, 255);
     }
     if (array_key_exists('item_private', $datarray) && $datarray['item_private']) {
         $datarray['body'] = trim(z_input_filter($datarray['uid'], $datarray['body'], $datarray['mimetype']));
         if ($uid) {
             if ($channel['channel_hash'] === $datarray['author_xchan']) {
                 $datarray['sig'] = base64url_encode(rsa_sign($datarray['body'], $channel['channel_prvkey']));
                 $datarray['item_verified'] = 1;
             }
         }
     }
     if ($webpage) {
         Zlib\IConfig::Set($datarray, 'system', webpage_to_namespace($webpage), $pagetitle ? $pagetitle : substr($datarray['mid'], 0, 16), true);
     } elseif ($namespace) {
         Zlib\IConfig::Set($datarray, 'system', $namespace, $remote_id ? $remote_id : substr($datarray['mid'], 0, 16), true);
     }
     if ($orig_post) {
         $datarray['id'] = $post_id;
         $x = item_store_update($datarray, $execflag);
         if (!$parent) {
             $r = q("select * from item where id = %d", intval($post_id));
             if ($r) {
                 xchan_query($r);
                 $sync_item = fetch_post_tags($r);
                 build_sync_packet($profile_uid, array('item' => array(encode_item($sync_item[0], true))));
             }
         }
         if (!$nopush) {
             \Zotlabs\Daemon\Master::Summon(array('Notifier', 'edit_post', $post_id));
         }
         if (x($_REQUEST, 'return') && strlen($return_path)) {
             logger('return: ' . $return_path);
             goaway(z_root() . "/" . $return_path);
         }
         killme();
     } else {
         $post_id = 0;
     }
     $post = item_store($datarray, $execflag);
     $post_id = $post['item_id'];
     $datarray = $post['item'];
     if ($post_id) {
         logger('mod_item: saved item ' . $post_id);
         if ($parent) {
             // only send comment notification if this is a wall-to-wall comment,
             // otherwise it will happen during delivery
             if ($datarray['owner_xchan'] != $datarray['author_xchan'] && intval($parent_item['item_wall'])) {
                 Zlib\Enotify::submit(array('type' => NOTIFY_COMMENT, 'from_xchan' => $datarray['author_xchan'], 'to_xchan' => $datarray['owner_xchan'], 'item' => $datarray, 'link' => z_root() . '/display/' . $datarray['mid'], 'verb' => ACTIVITY_POST, 'otype' => 'item', 'parent' => $parent, 'parent_mid' => $parent_item['mid']));
             }
         } else {
             $parent = $post_id;

function import_items($channel, $items, $sync = false)
{
    if ($channel && $items) {
        $allow_code = false;
        $r = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id \n\t\t\twhere channel_id = %d limit 1", intval($channel['channel_id']));
        if ($r) {
            if ($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE || $r[0]['channel_pageflags'] & PAGE_ALLOWCODE) {
                $allow_code = true;
            }
        }
        $deliver = false;
        // Don't deliver any messages or notifications when importing
        foreach ($items as $i) {
            $item_result = false;
            $item = get_item_elements($i, $allow_code);
            if (!$item) {
                continue;
            }
            $r = q("select id, edited from item where mid = '%s' and uid = %d limit 1", dbesc($item['mid']), intval($channel['channel_id']));
            if ($r) {
                if ($item['edited'] > $r[0]['edited']) {
                    $item['id'] = $r[0]['id'];
                    $item['uid'] = $channel['channel_id'];
                    $item_result = item_store_update($item, $allow_code, $deliver);
                    if ($sync && $item['item_wall']) {
                        // deliver singletons if we have any
                        if ($item_result && $item_result['success']) {
                            Zotlabs\Daemon\Master::Summon(array('Notifier', 'single_activity', $item_result['item_id']));
                        }
                    }
                    continue;
                }
            } else {
                $item['aid'] = $channel['channel_account_id'];
                $item['uid'] = $channel['channel_id'];
                $item_result = item_store($item, $allow_code, $deliver);
            }
            if ($sync && $item['item_wall']) {
                // deliver singletons if we have any
                if ($item_result && $item_result['success']) {
                    Zotlabs\Daemon\Master::Summon(array('Notifier', 'single_activity', $item_result['item_id']));
                }
            }
        }
    }
}

function import_items($channel, $items)
{
    if ($channel && $items) {
        $allow_code = false;
        $r = q("select account_id, account_roles, channel_pageflags from account left join channel on channel_account_id = account_id \n\t\t\twhere channel_id = %d limit 1", intval($channel['channel_id']));
        if ($r) {
            if ($r[0]['account_roles'] & ACCOUNT_ROLE_ALLOWCODE || $r[0]['channel_pageflags'] & PAGE_ALLOWCODE) {
                $allow_code = true;
            }
        }
        foreach ($items as $i) {
            $item = get_item_elements($i, $allow_code);
            if (!$item) {
                continue;
            }
            $r = q("select id, edited from item where mid = '%s' and uid = %d limit 1", dbesc($item['mid']), intval($channel['channel_id']));
            if ($r) {
                if ($item['edited'] > $r[0]['edited']) {
                    $item['id'] = $r[0]['id'];
                    $item['uid'] = $channel['channel_id'];
                    item_store_update($item);
                    continue;
                }
            } else {
                $item['aid'] = $channel['channel_account_id'];
                $item['uid'] = $channel['channel_id'];
                $item_result = item_store($item);
            }
        }
    }
}

function reflect_comment_store($channel, $post, $comment, $user)
{
    // if the commenter was the channel owner, use their hubzilla xchan
    if ($comment['author'] === REFLECT_EXPORTUSERNAME && $comment['registered']) {
        $hash = $channel['xchan_hash'];
    } else {
        // we need a unique hash for the commenter. We don't know how many may have supplied
        // http://yahoo.com as their URL, so we'll use their avatar guid if they have one.
        // anonymous folks may get more than one xchan_hash if they commented more than once.
        $hash = $comment['registered'] && $user ? $user['avatar'] : '';
        if (!$hash) {
            $hash = random_string() . '.unknown';
        }
        // create an xchan for them which will also import their profile photo
        // they will have a network type 'unknown'.
        $x = array('hash' => $hash, 'guid' => $hash, 'url' => $comment['url'] ? $comment['url'] : z_root(), 'photo' => $user ? REFLECT_BASEURL . $user['avatar'] : z_root() . '/' . get_default_profile_photo(), 'name' => $comment['author']);
        xchan_store($x);
    }
    $arr = array();
    $r = q("select * from item where mid = '%s' and uid = %d limit 1", dbesc($comment['guid']), intval($channel['channel_id']));
    if ($r) {
        if (REFLECT_OVERWRITE) {
            $arr['id'] = $r[0]['id'];
        } else {
            return;
        }
    }
    // this is a lot like storing the post except for subtle differences, like parent_mid, flags, author_xchan,
    // and we don't have a comment edited field so use creation date
    $arr['uid'] = $channel['channel_account_id'];
    $arr['aid'] = $channel['channel_id'];
    $arr['mid'] = $comment['guid'];
    $arr['parent_mid'] = $post['mid'];
    $arr['created'] = $comment['created'];
    $arr['edited'] = $comment['created'];
    $arr['author_xchan'] = $hash;
    $arr['owner_xchan'] = $channel['channel_hash'];
    $arr['item_origin'] = 1;
    $arr['item_wall'] = 1;
    $arr['verb'] = ACTIVITY_POST;
    $arr['comment_policy'] = 'contacts';
    $arr['title'] = html2bbcode($comment['title']);
    $arr['title'] = htmlspecialchars($arr['title'], ENT_COMPAT, 'UTF-8', false);
    $arr['body'] = html2bbcode($comment['body']);
    $arr['body'] = htmlspecialchars($arr['body'], ENT_COMPAT, 'UTF-8', false);
    $arr['body'] = preg_replace_callback("/\\[url\\=\\/+article\\/(.*?)\\](.*?)\\[url\\]/", 'reflect_article_callback', $arr['body']);
    $arr['body'] = preg_replace_callback("/\\[img(.*?)\\](.*?)\\[\\/img\\]/", 'reflect_photo_callback', $arr['body']);
    // logger('comment: ' . print_r($arr,true));
    if ($arr['id']) {
        item_store_update($arr);
    } else {
        item_store($arr);
    }
}