registration.php 15.8 KB
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<?php
/**
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 * Mahara: Electronic portfolio, weblog, resume builder and social networking
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 * Copyright (C) 2006-2009 Catalyst IT Ltd and others; see:
 *                         http://wiki.mahara.org/Contributors
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 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @package    mahara
 * @subpackage core
 * @author     Catalyst IT Ltd
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL
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 * @copyright  (C) 2006-2009 Catalyst IT Ltd http://catalyst.net.nz
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 * @file Register a mahara site
 */
/**
 * @defgroup Registration Registration
 * Send site information to mahara.org
 * 
 */
 
defined('INTERNAL') || die();

/**
 * @return string that is the registation form
 * @ingroup Registration 
 */
function register_site()  {
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    $strfield = get_string('Field', 'admin');
    $strvalue = get_string('Value', 'admin');
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    $info = <<<EOF
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<tr><td>
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<table>
    <tr>
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        <th>$strfield</th>
        <th>$strvalue</th>
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    </tr>
EOF;
    $data = registration_data();
    foreach($data as $key => $val) {
        $info .= '<tr><td>'. hsc($key) . '</td><td>' . hsc($val) . "</td></tr>\n";
    }
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    $info .= '</table></td></tr>';
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    $form = array(
        'name' => 'register',
        'autofocus' => false,
        'elements' => array(
            'whatsent' => array(
                'type' => 'fieldset',
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                'legend' => get_string('datathatwillbesent', 'admin'),
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                'collapsible' => true,
                'collapsed' => true,
                'elements' => array(
                    'info' => array(
                        'type' => 'markup',
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                        'value'=> $info,
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                    ),
                )
            ),
            'sendweeklyupdates' => array(
                'type' => 'checkbox',
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                'title' => get_string('sendweeklyupdates', 'admin'),
                'defaultvalue' => true,
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            ),
            'register' => array(
                'type' => 'submit',
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                'value' => get_string('Register', 'admin'),
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            ),
        )
     );
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     return pieform($form);
}
/**
 * Runs when registration form is submitted
 */
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function register_submit(Pieform $form, $values) {
    global $SESSION;

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    $result = registration_send_data();
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    if ($result->data != '1') {
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        log_info($result);
        $SESSION->add_error_msg(get_string('registrationfailedtrylater', 'admin', $result->info['http_code']));
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    }
    else {
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        set_config('registration_lastsent', time());
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        set_config('registration_sendweeklyupdates', $values['sendweeklyupdates']);
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        $SESSION->add_ok_msg(get_string('registrationsuccessfulthanksforregistering', 'admin'));
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    }
    redirect('/admin/');
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}

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/**
 * Worker - performs sending of registration data to mahara.org
 */
function registration_send_data() {
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    $registrationurl = 'http://mahara.org/api/registration.php';
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    $data = registration_data();
    $request = array(
        CURLOPT_URL        => $registrationurl,
        CURLOPT_POST       => 1,
        CURLOPT_POSTFIELDS => $data,
    );
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    return mahara_http_request($request);
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}

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/**
 * Builds the data that will be sent by the "register your site" feature
 */
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function registration_data() {
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    foreach (array(
        'wwwroot',
        'installation_key',
        'sitename',
        'dbtype',
        'lang',
        'theme',
        'enablenetworking',
        'allowpublicviews',
        'allowpublicprofiles',
        'version',
        'release') as $key) {
        $data_to_send[$key] = get_config($key);
    }

    foreach (array(
        'usr_friend',
        'usr_institution',
        'group_member',
        'block_instance',
        'institution',
        'blocktype_wall_post',
        'institution') as $key) {
        $data_to_send['count_' . $key] = count_records($key);
    }
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    foreach (array(
        'usr',
        'group',
        'host') as $key) {
        $data_to_send['count_' . $key] = count_records_select($key, 'deleted = 0');
        }

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    // Don't include the root user
    $data_to_send['count_usr']--;

    // Slightly more drilled down information
    if ($data = get_records_sql_array('SELECT artefacttype, COUNT(*) AS count
        FROM {artefact}
        GROUP BY artefacttype', array())) {
        foreach ($data as $artefacttypeinfo) {
            $data_to_send['artefact_type_' . $artefacttypeinfo->artefacttype] = $artefacttypeinfo->count;
        }
    }

    if ($data = get_records_sql_array('SELECT type, COUNT(*) AS count
        FROM {view}
        GROUP BY type', array())) {
        foreach ($data as $viewtypeinfo) {
            $data_to_send['view_type_' . $viewtypeinfo->type] = $viewtypeinfo->count;
        }
    }
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    return $data_to_send;
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}
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function site_data_current() {
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    return array(
        'users' => count_records_select('usr', 'id > 0 AND deleted = 0'),
        'groups' => count_records('group', 'deleted', 0),
        'views' => count_records_select('view', 'owner <> 0'),
    );
}

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function site_statistics($full=false) {
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    $data = array();

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    if ($full) {
        $data = site_data_current();
        $lastyear = db_format_timestamp(time() - 60*60*12*365);
        $values = array($lastyear, 'view-count', 'user-count', 'group-count');
        $weekly = get_records_sql_array('
            SELECT ctime, type, value, ' . db_format_tsfield('ctime', 'ts') . '
            FROM {site_data}
            WHERE ctime >= ? AND type IN (?,?,?)
            ORDER BY ctime, type', $values);
        if ($weekly) {
            $data['weekly'] = array('user-count' => array(), 'group-count' => array(), 'view-count' => array());
            $keys = array('user-count' => 0, 'group-count' => 0, 'view-count' => 0);
            foreach ($weekly as &$r) {
                $data['weekly'][$r->type][$keys[$r->type]++] = array($keys[$r->type], $r->value);
            }
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            // Plotkit Stuff -- to be removed.
            $data['dataarray'] = json_encode(array($data['weekly']['view-count'], $data['weekly']['user-count'], $data['weekly']['group-count']));
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        }
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        if (is_postgres()) {
            $weekago = "CURRENT_DATE - INTERVAL '1 week'";
            $thisweeksql = "(lastaccess > $weekago)::int";
            $todaysql = '(lastaccess > CURRENT_DATE)::int';
            $eversql = "(NOT lastaccess IS NULL)::int";
        }
        else {
            $weekago = 'CURRENT_DATE - INTERVAL 1 WEEK';
            $thisweeksql = "lastaccess > $weekago";
            $todaysql = 'lastaccess > CURRENT_DATE';
            $eversql = "NOT lastaccess IS NULL";
        }
        $sql = "SELECT SUM($todaysql) AS today, SUM($thisweeksql) AS thisweek, $weekago AS weekago, SUM($eversql) AS ever FROM {usr}";
        $active = get_record_sql($sql);
        $data['usersloggedin'] = get_string('loggedinsince', 'admin', $active->today, $active->thisweek, format_date(strtotime($active->weekago), 'strftimedateshort'), $active->ever);

        $memberships = count_records_sql("
            SELECT COUNT(*)
            FROM {group_member} m JOIN {group} g ON g.id = m.group
            WHERE g.deleted = 0
        ");
        $data['groupmemberaverage'] = get_string('groupmemberaverage', 'admin', $memberships/$data['users']);
        $data['viewsperuser'] = get_string('viewsperuser', 'admin', get_field_sql("
            SELECT (0.0 + COUNT(id)) / COUNT(DISTINCT owner)
            FROM {view}
            WHERE NOT owner IS NULL AND owner > 0
        "));
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    }
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    $data['name']        = get_config('sitename');
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    $data['release']     = get_config('release');
    $data['version']     = get_config('version');
    $data['installdate'] = format_date(strtotime(get_config('installation_time')), 'strftimedate');
    $data['dbsize']      = db_total_size();
    $data['diskusage']   = get_field('site_data', 'value', 'type', 'disk-usage');
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    $data['cronrunning'] = !record_exists_select('cron', 'nextrun < CURRENT_DATE');

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    return($data);
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}

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function user_statistics($limit, $offset) {
    $data = array();
    $data['tableheadings'] = array(
        get_string('date'),
        get_string('Loggedin', 'admin'),
        get_string('Created'),
        get_string('Total'),
    );
    $data['table'] = user_stats_table($limit, $offset);
    return $data;
}

function user_stats_table($limit, $offset) {
    $count = count_records('site_data', 'type', 'user-count-daily');

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => get_config('wwwroot') . 'admin/statistics.php?type=users',
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        'jsonscript' => 'admin/statistics.json.php',
        'datatable' => 'statistics_table',
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        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
    ));

    $result = array(
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

    if ($count < 1) {
        return $result;
    }

    $day = is_postgres() ? "to_date(t.ctime, 'YYYY-MM-DD')" : 'DATE(t.ctime)';

    $daterange = get_record_sql(
        "SELECT
            MIN($day) AS mindate,
            MAX($day) AS maxdate
        FROM (
            SELECT ctime
            FROM {site_data}
            WHERE type = ?
            ORDER BY ctime DESC
            LIMIT $limit
            OFFSET $offset
        ) t",
        array('user-count-daily')
    );

    $dayinterval = is_postgres() ? "'1 day'" : '1 day';

    $day = is_postgres() ? "to_date(ctime, 'YYYY-MM-DD')" : 'DATE(ctime)';

    $userdata = get_records_sql_array(
        "SELECT ctime, type, value, $day AS date
        FROM {site_data}
        WHERE type IN (?,?) AND ctime >= ? AND ctime < (date(?) + (INTERVAL $dayinterval))
        ORDER BY type = ? DESC, ctime DESC",
        array('user-count-daily', 'loggedin-users-daily', $daterange->mindate, $daterange->maxdate, 'user-count-daily')
    );

    $userscreated = get_records_sql_array(
        "SELECT $day AS date, COUNT(id) AS users
        FROM {usr}
        WHERE NOT ctime IS NULL
        GROUP BY date
        ORDER BY date",
        array(),
        $offset,
        $limit
    );

    $data = array();

    if ($userdata) {
        foreach ($userdata as &$r) {
            if ($r->type == 'user-count-daily') {
                $data[$r->date] = array(
                    'date'  => $r->date,
                    'total' => $r->value,
                );
            }
            else if ($r->type == 'loggedin-users-daily' && isset($data[$r->date])) {
                $data[$r->date]['loggedin'] = $r->value;
            }
        }
        if ($userscreated) {
            foreach ($userscreated as &$r) {
                if (isset($data[$r->date])) {
                    $data[$r->date]['created'] = $r->users;
                }
            }
        }
    }

    $smarty = smarty_core();
    $smarty->assign('data', $data);
    $result['tablerows'] = $smarty->fetch('admin/userstats.tpl');

    return $result;
}

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function group_statistics($limit, $offset) {
    $data = array();
    $data['tableheadings'] = array(
        '#',
        get_string('Group', 'group'),
        get_string('Members', 'group'),
        get_string('views'),
        get_string('nameplural', 'interaction.forum'),
        get_string('Posts', 'interaction.forum'),
    );
    $data['table'] = group_stats_table($limit, $offset);
    return $data;
}

function group_stats_table($limit, $offset) {
    $count = count_records('group', 'deleted', 0);

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => get_config('wwwroot') . 'admin/statistics.php?type=groups',
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        'jsonscript' => 'admin/statistics.json.php',
        'datatable' => 'statistics_table',
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        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
    ));

    $result = array(
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

    if ($count < 1) {
        return $result;
    }

    $groupdata = get_records_sql_array(
        "SELECT
            g.id, g.name, mc.members, vc.views, fc.forums, pc.posts
        FROM {group} g
            LEFT JOIN (
                SELECT gm.group, COUNT(gm.member) AS members
                FROM {group_member} gm
                GROUP BY gm.group
            ) mc ON g.id = mc.group
            LEFT JOIN (
                SELECT v.group, COUNT(v.id) AS views
                FROM {view} v
                WHERE NOT v.group IS NULL
                GROUP BY v.group
            ) vc ON g.id = vc.group
            LEFT JOIN (
                SELECT ii.group, COUNT(ii.id) AS forums
                FROM {interaction_instance} ii
                WHERE ii.plugin = 'forum' AND ii.deleted = 0
                GROUP BY ii.group
            ) fc ON g.id = fc.group
            LEFT JOIN (
                SELECT ii.group, COUNT(ifp.id) AS posts
                FROM {interaction_instance} ii
                    INNER JOIN {interaction_forum_topic} ift ON ii.id = ift.forum
                    INNER JOIN {interaction_forum_post} ifp ON ift.id = ifp.topic
                WHERE ii.deleted = 0 AND ift.deleted = 0 AND ifp.deleted = 0
                GROUP BY ii.group
            ) pc ON g.id = pc.group
        WHERE
            g.deleted = 0
        ORDER BY
            mc.members DESC",
        array(),
        $offset,
        $limit
    );

    $smarty = smarty_core();
    $smarty->assign('data', $groupdata);
    $smarty->assign('offset', $offset);
    $result['tablerows'] = $smarty->fetch('admin/groupstats.tpl');

    return $result;
}

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function view_statistics($limit, $offset) {
    $data = array();
    $data['tableheadings'] = array(
        '#',
        get_string('view'),
        get_string('Owner', 'view'),
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        get_string('Visits'),
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        get_string('feedback', 'view'),
    );
    $data['table'] = view_stats_table($limit, $offset);
    return $data;
}

function view_stats_table($limit, $offset) {
    $count = count_records('view');

    $pagination = build_pagination(array(
        'id' => 'stats_pagination',
        'url' => get_config('wwwroot') . 'admin/statistics.php?type=views',
        'jsonscript' => 'admin/statistics.json.php',
        'datatable' => 'statistics_table',
        'count' => $count,
        'limit' => $limit,
        'offset' => $offset,
    ));

    $result = array(
        'tablerows'     => '',
        'pagination'    => $pagination['html'],
        'pagination_js' => $pagination['javascript'],
    );

    if ($count < 1) {
        return $result;
    }

    $viewdata = get_records_sql_array(
        "SELECT
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            v.id, v.title, v.owner, v.group, v.institution, v.visits,
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            u.firstname, u.lastname,
            COUNT(vf.*) AS comments
        FROM {view} v
            LEFT JOIN {view_feedback} vf ON v.id = vf.view
            LEFT JOIN {usr} u ON v.owner = u.id
            LEFT JOIN {group} g ON v.group = g.id
            LEFT JOIN {institution} i ON v.institution = i.name
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        GROUP BY v.id, v.title, v.owner, v.group, v.institution, v.visits,
            u.firstname, u.lastname
        ORDER BY v.visits DESC",
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        array(),
        $offset,
        $limit
    );

    foreach ($viewdata as &$v) {
        $v->author = $v->owner ? display_name($v->owner) : null;
    }

    $smarty = smarty_core();
    $smarty->assign('data', $viewdata);
    $smarty->assign('offset', $offset);
    $result['tablerows'] = $smarty->fetch('admin/viewstats.tpl');

    return $result;
}

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?>