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<?php
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// $Id$
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function friendlist_system($field) {
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$system["description"] = t("Enable Friend List functionality");
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return $system[$field];
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}
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function friendlist_perm() {
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return array("maintain friend list");
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}
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function friendlist_user($type, &$edit, &$thisuser) {
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global $user;
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if (!isset($user->uid)) {
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return null;
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}
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if (!isset($_SESSION['friendlist'])) {
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friendlist_update_session();
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}
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if (isset($thisuser->uid) and $type == "view_public") {
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if (user_access("maintain friend list")) {
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// don't let just any user manage friends
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if (in_array($thisuser->uid, $_SESSION['friendlist'])) {
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$output .= form_item(t("Friend List"), l(t("Remove from Friend List"), "friendlist/delete/" . $thisuser->uid));
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}
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else {
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$output .= form_item(t("Friend List"), l(t("Add to Friend List"), "friendlist/add/" . $thisuser->uid));
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}
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}
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// look up this user's friends
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$friends = friendlist_list_friends($thisuser->uid, 0, 1);
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$output .= form_item(t("Friends"), $friends, "These are the users this user has friended");
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// look up users who consider this user a friend
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$friend_of = friendlist_list_friends_of($thisuser->uid, 1);
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$output .= form_item(t("Friend Of"), $friend_of, "These are the users that have friended this user");
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}
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return $output;
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}
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function friendlist_update_session() {
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global $user;
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@session_start();
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$_SESSION['friendlist'] = array();
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if (isset($user->uid)) {
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$result = db_query("SELECT friend FROM friendlist WHERE uid=%d ORDER BY timestamp DESC",$user->uid);
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while ($friend = db_fetch_object($result)) {
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$_SESSION['friendlist'][] = $friend->friend;
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}
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}
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}
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function friendlist_block($op = "list", $delta = 0) {
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global $user;
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if ($op == "list") {
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$block[0]["info"] = t("Friend List");
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$block[1]["info"] = t("Friend Blogs");
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return $block;
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}
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elseif ($op == 'view' and user_access("access content")) {
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if (isset($user->uid)) {
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switch ($delta) {
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case 0 :
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$result = db_query("SELECT b.friend as uid, u.name FROM friendlist b, users u WHERE b.uid=%d AND u.uid=b.friend ORDER BY b.timestamp DESC",$user->uid);
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while ($account = db_fetch_object($result)) {
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$account->link = l((strlen($account->name) > 15 ? substr($account->name, 0, 15) . '...' : $account->name), "user/view/$account->uid");
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/*
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** To Enable the added functionality , which requires the extended theme_user_list patch, uncomment the following
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** line and comment the line after it.
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*/
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//$users[] = $account;
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$users[] = $account->link;
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}
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$block["content"] = theme("user_list",$users);
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$block["subject"] = t("Friend List");
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return $block;
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break;
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case 1:
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$block["content"] = node_title_list(db_query("SELECT distinct n.nid, u.uid, u.name, n.created, n.title FROM friendlist b, node n LEFT JOIN users u ON n.uid = u.uid WHERE n.type = 'blog' AND n.status = 1 AND n.uid=b.friend AND b.uid=%d ORDER BY n.nid DESC LIMIT 10",$user->uid));
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if (!sizeof($block["content"])) {
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return NULL;
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}
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$block["subject"] = t("My Friends' Blogs");
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return $block;
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break;
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}
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}
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}
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}
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function friendlist_icon_link($id) {
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global $user;
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if (!isset($user->uid)) {
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return null;
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}
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if (!isset($_SESSION['friendlist'])) {
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friendlist_update_session();
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}
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if (in_array($id,$_SESSION['friendlist'])) {
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return friendlist_del_link($id);
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}
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else {
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return friendlist_add_link($id);
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}
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}
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function friendlist_add_link($id) {
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global $theme;
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$icon = isset($theme->add_icon) ? $theme->add_icon : "[+]";
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return l($icon,"friendlist/add/$id");
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}
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function friendlist_del_link($id) {
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global $theme;
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$icon = isset($theme->del_icon) ? $theme->del_icon : "[-]";
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return l($icon,"friendlist/delete/$id");
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}
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function friendlist_link($type, $node = 0, $main) {
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global $user;
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if ($type == "system") {
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if (user_access("maintain friend list")) {
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menu("friendlist", t("friend list"), "friendlist_page", 0, MENU_SHOW);
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menu("friendlist/list", t("view friendlist"), "friendlist_page", 1, MENU_SHOW);
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menu("friendlist/feed/$user->uid", t("xml feed"), "friendlist_page", 2, MENU_SHOW);
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menu("friendlist/feed", t("xml feed"), "friendlist_page", 0, MENU_HIDE);
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menu("friendlist/add", t("add to friendlist"), "friendlist_page", 0, MENU_HIDE);
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menu("friendlist/save", t("user added to friendlist"), "friendlist_page", 0, MENU_HIDE);
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menu("friendlist/delete", t("delete friendlist"), "friendlist_page", 0, MENU_HIDE);
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menu("friendlist/remove", t("user removed from friendlist"), "friendlist_page", 0, MENU_HIDE);
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menu("friendlist/view", t("view friendlist"), "friendlist_page", 0, MENU_HIDE);
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}
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else {
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// non-authorized users must specify a uid as part of the URL. This should still accommodate.
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menu("friendlist/feed", t("xml feed"), "friendlist_page", 0, MENU_HIDE);
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}
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}
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}
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function friendlist_page() {
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global $user;
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$edit = $_POST["edit"];
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$op = $_POST["op"];
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if (empty($op)) {
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$op = arg(1);
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}
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if($op == 'feed') {
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// arg(2) is optional uid
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friendlist_feed(arg(2));
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return;
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}
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switch ($op) {
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case 'add' :
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$title = t("Confirm Addition to Friend List?");
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$output = friendlist_addfriend_form(arg(2));
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break;
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case "Add User" :
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case "save" :
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$output = friendlist_add($edit['friend_id']);
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break;
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case 'delete' :
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$title = t("Confirm Removal from Friend List?");
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$output = friendlist_deletefriend_form(arg(2));
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break;
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case 'list' :
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$title = t("Your Friend List");
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$output = friendlist_list_friends();
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break;
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case "Remove User" :
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case "remove" :
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$output = friendlist_remove($edit['friend_id']);
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break;
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case "view" :
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default :
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if(arg(2)) {
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$acct = user_load(array('uid' => arg(2)));
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if(is_object($acct)) {
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$title = t("$acct->name's Friends");
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$output = friendlist_list_content($acct);
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}
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else {
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$title = t("Unknown User");
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$output = t("Please check the URL that you entered. The specified user was not found.");
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}
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}
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else {
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$title = t("My Friends");
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$output = friendlist_list_content();
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}
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break;
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}
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print theme("page", $output, $title);
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}
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function friendlist_addfriend_form($uid) {
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global $user;
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friendlist_update_session();
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$friend = user_load(array('uid' => $uid));
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if (empty($friend->name)) {
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return t("This user does not exist");
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}
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elseif (in_array($uid, $_SESSION['friendlist'])) {
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return t("This user is already on your friend list");
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}
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elseif ($user->uid == $uid) {
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return t("Cannot add yourself to friend list");
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}
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else {
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$form = t("Add User <b>'") . l($friend->name,"user/" . $uid) . t("'</b> to Friend List?<br /><br />");
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$form .= form_hidden("friend_id", $uid);
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$form .= form_submit(t("Add User"));
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return form($form,"post",url("friendlist/save"));
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}
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}
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function friendlist_deletefriend_form($uid) {
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global $user;
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friendlist_update_session();
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$friend = user_load(array('uid' => $uid));
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if (empty($friend->name)) {
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return "This user does not exist";
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}
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elseif (!in_array($uid, $_SESSION['friendlist'])) {
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return t("This user is not on your friend list");
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}
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else {
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$form = t("Remove User <b>'") . l($friend->name,"user/" . $uid) . t("'</b> from Friend List?<br /><br />");
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$form .= form_hidden("friend_id", $uid);
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$form .= form_submit(t("Remove User"));
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return form($form,"post",url("friendlist/remove"));
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}
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}
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function friendlist_add($id) {
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global $user;
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db_query("INSERT INTO friendlist (uid,friend,timestamp) VALUES (%d,%d,%d)" , $user->uid , $id , time());
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friendlist_update_session();
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}
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function friendlist_remove($id) {
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global $user;
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db_query("DELETE FROM friendlist where uid=%d and friend=%d" , $user->uid , $id);
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friendlist_update_session();
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}
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// prints out an xml feed of all of a given users' friends' blog entries
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function friendlist_feed($uid=0) {
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global $user;
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if(!$uid) {
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$acct = $user;
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$use_sess = true;
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}
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else {
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$acct = user_load(array('uid' => $uid));
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$use_sess = false;
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}
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if($use_sess) {
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// perhaps your session expired, or you think you should have friends
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if (!isset($_SESSION['friendlist']) || sizeof($_SESSION['friendlist']) == 0) {
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friendlist_update_session();
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}
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// MySQL doesn't like empty $friends lists
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if(sizeof($_SESSION['friendlist']) > 0) {
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$friends = implode(',', $_SESSION['friendlist']);
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$result = db_query_range("SELECT n.nid, n.title, n.teaser, n.created, u.name, u.uid FROM {node} n INNER JOIN {users} u ON n.uid = u.uid WHERE n.type = 'blog' AND n.status = 1 AND n.uid IN ($friends) ORDER BY n.nid DESC", 0, 30);
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}
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else {
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$err_title = t("No friends found for you. Please verify that you are logged in and have friends.");
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}
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}
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elseif(is_object($acct)) {
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$result = db_query_range("SELECT distinct n.nid, n.title, n.teaser, n.created, u.name, u.uid FROM friendlist b, node n LEFT JOIN users u ON n.uid = u.uid WHERE n.type = 'blog' AND n.status = 1 AND n.uid=b.friend AND b.uid=$acct->uid ORDER BY n.nid DESC", 0, 30);
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}
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else {
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// user was not found
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$err_title = t("User ($uid) not found, check url");
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}
|
| 306 |
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if($err_title){
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$channel["title"] = $err_title;
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}
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else {
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$channel["title"] = t("%name's friends' blogs", array ('%name' => $acct->name));
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}
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$channel["link"] = url("friendlist/view/$acct->uid", null, null, 1); // use absolute urls
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$channel["description"] = '';
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node_feed($result, $channel);
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}
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// Lists out all of a user's friends' content
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function friendlist_list_content($acct=null) {
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global $user;
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| 321 |
if(is_object($acct)) {
|
| 322 |
$uid = $acct->uid;
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}
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| 324 |
else {
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| 325 |
$uid = $user->uid;
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| 326 |
}
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| 327 |
$result = pager_query("SELECT distinct n.nid, n.type, u.uid, u.name, n.created, n.title FROM friendlist b, node n LEFT JOIN users u ON n.uid = u.uid WHERE n.status = 1 AND n.uid=b.friend AND b.uid=$uid ORDER BY n.nid DESC",variable_get('default_nodes_main', 10));
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| 328 |
if (db_num_rows($result)) {
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| 329 |
drupal_set_html_head('<link rel="alternate" type="application/rss+xml" title="RSS" href="'. url("friendlist/feed/$url") .'" />');
|
| 330 |
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| 331 |
$output = '';
|
| 332 |
while ($node = db_fetch_object($result)) {
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| 333 |
$output .= node_view(node_load(array('nid' => $node->nid, 'type' => $node->type)), 1);
|
| 334 |
}
|
| 335 |
$output .= theme('pager', NULL, variable_get('default_nodes_main', 10));
|
| 336 |
}
|
| 337 |
else {
|
| 338 |
$output = t("<p>None of these friends have posted any blog entries.</p>");
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| 339 |
}
|
| 340 |
|
| 341 |
return $output;
|
| 342 |
}
|
| 343 |
|
| 344 |
// Lists all of a user's friends. Optionally show links to remove and/or include count.
|
| 345 |
function friendlist_list_friends($uid=null, $show_remove_link=1, $show_count=0) {
|
| 346 |
global $user;
|
| 347 |
if(!$uid && $user->uid > 0) {
|
| 348 |
$uid = $user->uid;
|
| 349 |
}
|
| 350 |
|
| 351 |
$result = db_query("SELECT b.friend as uid, u.name FROM friendlist b, users u WHERE b.uid=%d AND u.uid=b.friend ORDER BY b.timestamp DESC",$uid);
|
| 352 |
while ($account = db_fetch_object($result)) {
|
| 353 |
$link = l($account->name, "user/view/$account->uid");
|
| 354 |
if($show_remove_link) {
|
| 355 |
$link .= " " . l(t("[remove]"), "friendlist/delete/$account->uid");
|
| 356 |
}
|
| 357 |
$users[] = $link;
|
| 358 |
}
|
| 359 |
|
| 360 |
if($show_count) {
|
| 361 |
$cnt = sizeof($users);
|
| 362 |
$title = "<b>($cnt user" . ($cnt == 1? '':'s') . ")</b>";
|
| 363 |
}
|
| 364 |
|
| 365 |
return theme("user_list",$users, $title);
|
| 366 |
|
| 367 |
}
|
| 368 |
|
| 369 |
// Lists all of the users who consider this user a friend. Optionally include count.
|
| 370 |
function friendlist_list_friends_of($uid=null, $show_count=0) {
|
| 371 |
global $user;
|
| 372 |
if(!$uid && $user->uid > 0) {
|
| 373 |
$uid = $user->uid;
|
| 374 |
}
|
| 375 |
|
| 376 |
$result = db_query("SELECT b.uid as uid, u.name FROM friendlist b, users u WHERE b.friend=%d AND u.uid=b.uid ORDER BY b.timestamp DESC",$uid);
|
| 377 |
while ($account = db_fetch_object($result)) {
|
| 378 |
$link = l($account->name, "user/view/$account->uid");
|
| 379 |
$users[] = $link;
|
| 380 |
}
|
| 381 |
|
| 382 |
if($show_count) {
|
| 383 |
$cnt = sizeof($users);
|
| 384 |
$title = "<b>($cnt " . t("user" . ($cnt == 1? '':'s')) . ")</b>";
|
| 385 |
}
|
| 386 |
|
| 387 |
return theme("user_list",$users, $title);
|
| 388 |
|
| 389 |
}
|
| 390 |
?>
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