root/releases/0.9rc1/mod/profile/lib.php

<?php
function profile_pagesetup() {
    // register links -- 
    global $profile_id;
    global $PAGE;
    global $CFG;

    // don't clobber $page_owner, use a 
    // local $pgowner instead for clarity
    $pgowner = $profile_id;

    if (isloggedin()) {
        if (defined("context") && context == "profile" && $pgowner == $_SESSION['userid']) {
            $PAGE->menu[] = array (
                'name' => 'profile',
                'html' => '<li><a href="' . $CFG->wwwroot . $_SESSION['username'] . '/profile/" class="selected">' . __gettext("Your Profile") . '</a></li>');
        } else {
            $PAGE->menu[] = array (
                'name' => 'profile',
                'html' => '<li><a href="' . $CFG->wwwroot . $_SESSION['username'] . '/profile/">' . __gettext("Your Profile") . '</a></li>');
        }

        if (profile_permissions_check("profile") && defined("context") && context == "profile") {

            if (user_type($pgowner) == "person") {
                $PAGE->menu_sub[] = array (
                    'name' => 'profile:edit',
                    'html' => '<a href="' . $CFG->wwwroot . 'profile/edit.php?profile_id=' . $pgowner . '">' . __gettext("Edit this profile") . '</a>');

                $PAGE->menu_sub[] = array (
                    'name' => 'profile:picedit',
                    'html' => '<a href="' . $CFG->wwwroot . '_icons/?context=profile&amp;profile_id=' . $pgowner . '">' . __gettext("Change site picture") . '</a>');
                if (!empty ($CFG->uses_YUI)) {
                    $PAGE->menu_sub[] = array (
                        'name' => 'profile:widget:manage',
                        'html' => '<a href="' . $CFG->wwwroot . 'mod/widget/manage_widgets.php">' . __gettext("Manage widgets") . '</a>');
                } else {
                    $PAGE->menu_sub[] = array (
                        'name' => 'profile:widget:add',
                        'html' => '<a href="' . $CFG->wwwroot . 'mod/profile/add.php?owner=' . $pgowner . '">' . __gettext("Add widget") . '</a>');
                }
            }
        }
    }

    $PAGE->search_menu[] = array (
        'name' => __gettext("People"), 'user_type' => 'person');

}

function profile_init() {

    global $CFG, $messages, $function, $metatags, $data;

    // Check to see if the profile config file doesn't exist
    if (!isset ($CFG->profilelocation)) {
        $CFG->profilelocation = $CFG->dirroot . "mod/profile/";
    } else {

        if (!file_exists($CFG->profilelocation . "profile.config.php")) {
            if (!copy($CFG->dirroot . "mod/profile/profile.config.php", $CFG->profilelocation . "profile.config.php")) {
                $CFG->profilelocation = $CFG->dirroot . "mod/profile/";
            }
        }

    }

    $css = file_get_contents($CFG->dirroot . "mod/profile/css");
    $css = str_replace("{{url}}", $CFG->wwwroot, $css);
    $metatags .= $css;

    
    // Profile initialisation
    $function['profile:init'][] = dirname(__FILE__) . "/lib/function_init.php";
    // $function['profile:init'][] = $CFG->dirroot . "units/profile/function_editfield_defaults.php";
    $function['profile:init'][] = dirname(__FILE__) . "/lib/function_upload_foaf.php";
    $function['profile:init'][] = $CFG->profilelocation . "profile.config.php";
    
    // Initialisation for the search function
    $function['search:init'][] = dirname(__FILE__) . "/lib/function_init.php";
    $function['search:init'][] = $CFG->profilelocation . "profile.config.php";

    $function['search:all:tagtypes'][] = dirname(__FILE__) . "/lib/function_search_all_tagtypes.php";
    $function['search:all:tagtypes:rss'][] = dirname(__FILE__) . "/lib/function_search_all_tagtypes_rss.php";
        
    // Function to search through profiles
    $function['search:display_results'][] = dirname(__FILE__) . "/lib/function_search.php";
    $function['search:display_results:rss'][] = dirname(__FILE__) . "/lib/function_search_rss.php";
        
    // Functions to view and edit individual profile fields        
    $function['profile:editfield:display'][] = dirname(__FILE__) . "/lib/function_editfield_display.php";
    $function['profile:field:display'][] = dirname(__FILE__) . "/lib/function_field_display.php";
    
    // Function to edit all profile fields
    $function['profile:edit'][] = dirname(__FILE__) . "/lib/function_edit.php";
        
    // Function to view all profile fields
    $function['profile:view'][] = dirname(__FILE__) . "/lib/function_view.php";
        
    // Function to display user's name
    $function['profile:display:name'][] = dirname(__FILE__) . "/lib/function_display_name.php";
        
    $function['profile:user:info'][] = dirname(__FILE__) . "/lib/profile_user_info.php";
    
    // Descriptive text
    $function['content:profile:edit'][] = dirname(__FILE__) . "/lib/content_edit.php";

    // Establish permissions
    $function['permissions:check'][] = dirname(__FILE__) . "/lib/permissions_check.php";
        
    // FOAF
    $function['foaf:generate:fields'][] = dirname(__FILE__) . "/lib/generate_foaf_fields.php";
    $function['vcard:generate:fields:adr'][] = dirname(__FILE__) . "/lib/generate_vcard_adr_fields.php";
                
    // Actions to perform when an access group is deleted
    $function['groups:delete'][] = dirname(__FILE__) . "/lib/groups_delete.php";
        
    // Publish static RSS file of posts and files
    $function['profile:rss:publish'][] = dirname(__FILE__) . "/lib/function_rss_publish.php";

    // Delete users
    listen_for_event("user", "delete", "profile_user_delete");

    // Add items to the dashboard if it exists
    //$CFG->widgets->display['profile'] = "profile_widget_display";
    //$CFG->widgets->edit['profile'] = "profile_widget_edit";
    $CFG->widgets->list[] = array (
        'name' => __gettext("Profile widget"), 
        'description' => __gettext("Displays the contents of a profile field."), 
        'type' => "profile::profile");
        
    $CFG->widgets->list[] = array (
        'name' => __gettext("Friends widget"), 
        'description' => __gettext("Displays the icons of your most recently logged-in friends."), 
        'type' => "profile::friends");
    /*
    $CFG->widgets->list[] = array(
                                        'name' => __gettext("Files widget"),
                                        'description' => __gettext("Displays images of some of your files."),
                                        'type' => "profile::files"
                                );
    */
}

function profile_permissions_check($object) {
    global $page_owner;

    if ($object === "profile" && ($page_owner == $_SESSION['userid'] || user_flag_get("admin", $_SESSION['userid']))) {
        return true;
    }
    return false;
}

function profile_widget_display($widget) {

    global $CFG, $profile_id, $data, $page_owner, $db;
    static $profile;

    if ($widget->type == 'profile::profile') {

        $profile_id = $page_owner;

        require_once ($CFG->dirroot . 'profile/profile.class.php');

        $profile_field = widget_get_data("profile_widget_field", $widget->ident);
        $profile_id = $widget->owner;

        $title = __gettext("Profile widget");
        $body = "<p>" . __gettext("This profile box is undefined.") . "</p>";

        if (!isset ($profile)) {
            $profile = new ElggProfile($profile_id);
        }

        $field = null;

        $user_type = user_info("user_type", $widget->owner);

        foreach ($data['profile:details'] as $field_row) {
            if ($field_row->internal_name == $profile_field && (empty ($field_row->user_type) || $field_row->user_type == $user_type)) {
                $field = $field_row;
            }
        }

        $title = $field->name;
        $value = get_record_sql("select * from " . $CFG->prefix . "profile_data where owner = " . $widget->owner . " and name = " . $db->qstr($field->internal_name));
        if (run("users:access_level_check", $value->access)) {
            $body = display_output_field(array (
                $value->value,
                $field->field_type,
                $field->internal_name,
                $field->name,
                $value->ident
            ));
        } else {
            $body = "";
        }

        return array (
            'title' => $title,
            'content' => $body
        );
    }
    elseif ($widget->type == 'profile::friends') {
        return profile_friends_widget_display($widget->owner);
    }
    elseif ($widget->type == 'profile::files') {
        return profile_files_widget_display($widget->owner);
    }

}

function profile_show_thumbs($id_list, $list_type) {
    global $profile_id, $page_owner;
    global $CFG, $USER;

    // Given a series of IDs as a parameter, will display a box containing the icons and names of each specified user, community or file
    // $parameter[0] is the title of the box; $parameter[1..n] is the user ID

    $body = "";
    $body .= "<table>\n\t<tr>\n";
    $cellnum = -1;
    if ($list_type == 'files') {
        $in_a_row = 3;
    } else {
        $in_a_row = 5;
    }

    foreach ($id_list as $key => $ident) {

        if ($list_type == 'files') {
            if ($info = get_record_sql('SELECT folder, title, originalname FROM ' . $CFG->prefix . 'files ' .
                'WHERE ident = ?', array ($page_owner,$ident))) {
                $displayname = $info->title;
                $icon_url = $CFG->wwwroot . '_icon/file/' . $ident;
                $username = user_info('username', $page_owner);
                $object_url = $CFG->wwwroot . $username . '/files/' . $info->folder . '/' . $ident . '/' . $info->originalname;
            }
        } else {

            $ident = (int) $ident;
            $info = get_record('users', 'ident', $ident);
            $_SESSION['user_info_cache'][$ident] = $info;

            $icon = user_info('icon', $ident);
            $icon_url = $CFG->wwwroot . '_icon/user/' . $icon . '/w/50';

            $info = $_SESSION['user_info_cache'][$ident];
            $displayname = run("profile:display:name", $info->ident);
            $usermenu = '';
            $object_url = $CFG->wwwroot . $info->username . '/';
        }

        if ($info) {
            $cellnum++;
            if ($cellnum % $in_a_row == 0 && $cellnum > 0) {
                $body .= "</tr><tr>";
            }
            if ($list_type == 'files') {
                $body .=<<< END
                <td>
                <a href="$object_url">
                    <img border="0" src="$icon_url" alt="{$displayname}" title="{$displayname}" />
                </a>
                </td>
END;
            } else {
                $body .=<<< END
                <td>
                <div style="clear:right;">
                <a href="$object_url">
                    <img border="0" src="$icon_url" alt="{$displayname}" title="{$displayname}" />
                </a>
                </div>
                <div>
                <a href="{$CFG->wwwroot}{$info->username}/">{$info->username}</a>
                </div>
                </td>
END;
            }
        }
    }

    $body .= "\t</tr>\n</table>\n";

    return $body;
}

function profile_files_widget_display($userid) {
    global $CFG;
    $file_list = array ();
    $where1 = run("users:access_level_sql_where", $_SESSION['userid']);
    if ($files = get_records_sql('SELECT * FROM ' . $CFG->prefix . 'files WHERE files_owner = ' . $userid . ' AND ' . $where1 . ' LIMIT 9')) {
        $file_count = count_records('files', 'files_owner', $userid);
        foreach ($files as $file) {
            //if (run("users:access_level_check",$file->access) == true || $file->owner == $_SESSION['userid']) {
            $file_list[] = (int) $file->ident;
            //}
        }
    }
    if ($file_list) {
        $username = user_info('username', $userid);
        $title = __gettext('Files');
        $menu = array (
            array (
                'text' => __gettext('View all'
            ),
            'link' => $CFG->wwwroot . $username . '/files',
            'title' => $file_count . ' ' . ($file_count == 1 ? __gettext("file"
        ) : __gettext("files"))));
        $content = profile_show_thumbs($file_list, 'files');
        $widget_array = array (
            'title' => $title,
            'menu' => $menu,
            'content' => $content
        );
    } else {
        $widget_array = array ();
    }
    return $widget_array;
}

function profile_friends_widget_display($userid) {
    global $CFG;

    $html = '';
    $friends = array ();
    if ($result = get_records_sql('SELECT DISTINCT u.ident,1 FROM ' . $CFG->prefix . 'friends f
                                   JOIN ' . $CFG->prefix . 'users u ON u.ident = f.friend
                                   WHERE f.owner = ? AND u.user_type = ? order by u.last_action desc LIMIT 9', array (
            $userid,
            'person'
        ))) {
        $friend_count = get_record_sql('SELECT count(*) as count FROM ' . $CFG->prefix . 'friends f
                                       JOIN ' . $CFG->prefix . 'users u ON u.ident = f.friend
                                       WHERE f.owner = ? AND u.user_type = ?', array (
            $userid,
            'person'
        ));
        foreach ($result as $row) {
            $friends[] = (int) $row->ident;
        }
        if ($userid != $_SESSION['userid']) {
            $link = url . "_friends/?owner=$userid";
        } else {
            $link = url . $_SESSION['username'] . "/friends/";
        }
        $title = __gettext('Friends');
        $menu_array = array (
            array (
                'text' => __gettext('View all Friends'),
                'link' => $link,
                'title' => $friend_count->count . ' ' . ($friend_count->count == 1 ? __gettext("friend") : __gettext("friends"))));
        $content = profile_show_thumbs($friends, 'users');
        $widget_array = array (
            'title' => $title,
            'menu' => $menu_array,
            'content' => $content
        );
    } else {
        $widget_array = array ();
    }
    return $widget_array;
}

function profile_widget_edit($widget) {

    global $CFG, $profile_id, $data, $page_owner;
    static $profile;

    if ($widget->type == 'profile::profile') {

        $profile_id = $page_owner;

        require_once ($CFG->dirroot . 'profile/profile.class.php');

        $profile_field = widget_get_data("profile_widget_field", $widget->ident);

        if (!isset ($profile)) {
            $profile = new ElggProfile($profile_id);
        }

        $body = "<h2>" . __gettext("Profile widget") . "</h2>";
        $body .= "<p>" . __gettext("Select a profile field below; the widget will then display the profile content from this field.") . "</p>";

        $body .= "<select name=\"widget_data[profile_widget_field]\">";

        $user_type = user_info("user_type", $widget->owner);

        foreach ($data['profile:details'] as $field_row) {

            if (empty ($field_row->user_type) || $field_row->user_type == $user_type) {
                if ($field_row->internal_name == $profile_field) {
                    $selected = "selected=\"selected\"";
                } else {
                    $selected = "";
                }

                $body .= "<option value=\"" . $field_row->internal_name . $selected . "\">" . $field_row->name . "</option>\n";
            }
        }

        $body .= "</select>";

    }
    elseif ($widget->type == 'profile::friends') {
        // can't edit this widget for now
        $body = '';
    }
    elseif ($widget->type == 'profile::files') {
        // can't edit this widget for now
        $body = '';
    }

    return $body;

}
function profile_page_owner() {
    if ($profile_name = optional_param('profile_name')) {
        if ($profile_id = user_info_username('ident', $profile_name)) {
            return $profile_id;
        }
    }
    if ($profile_id = optional_param("profile_id", 0, PARAM_INT)) {
        return $profile_id;
    }

}

function profile_user_delete($object_type, $event, $object) {

    global $CFG, $data;
    if (!empty ($object->ident) && $object_type == "user" && $event == "delete") {
        if (is_array($data['profile:details']) && !empty ($data['profile:details'])) {
            foreach ($data['profile:details'] as $profiletype) {
                if ($profiletype->field_type == "keywords") {
                    delete_records('tags', 'owner', $object->ident, 'tagtype', $profiletype->internal_name);
                }
            }
        }
        delete_records('profile_data', 'owner', $object->ident);
    }
    return $object;

}

/**
 * Gets the value of a particular profile item.
 *
 * @uses $CFG
 * @param $userid int The ident of the user we're querying.
 * @param $profile_field string The short name of the profile item we're querying.
 * @return string The value of the profile item - or a blank string.
 */

function get_profile_item($userid, $profile_field) {

    global $CFG, $db, $data;
    $body = "";