We are no longer offering accounts on this server. Consider https://gitlab.freedesktop.org/ as a place to host projects.

PollPlugin.php 9.76 KB
Newer Older
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126
<?php
/**
 * StatusNet - the distributed open-source microblogging tool
 * Copyright (C) 2011, StatusNet, Inc.
 *
 * A plugin to enable social-bookmarking functionality
 *
 * PHP version 5
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * @category  PollPlugin
 * @package   StatusNet
 * @author    Brion Vibber <brion@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
 */

if (!defined('STATUSNET')) {
    exit(1);
}

/**
 * Poll plugin main class
 *
 * @category  PollPlugin
 * @package   StatusNet
 * @author    Brion Vibber <brionv@status.net>
 * @author    Evan Prodromou <evan@status.net>
 * @copyright 2011 StatusNet, Inc.
 * @license   http://www.fsf.org/licensing/licenses/agpl-3.0.html AGPL 3.0
 * @link      http://status.net/
 */

class PollPlugin extends MicroAppPlugin
{
    const VERSION         = '0.1';
    const POLL_OBJECT     = 'http://apinamespace.org/activitystreams/object/poll';

    /**
     * Database schema setup
     *
     * @see Schema
     * @see ColumnDef
     *
     * @return boolean hook value; true means continue processing, false means stop.
     */

    function onCheckSchema()
    {
        $schema = Schema::get();
        $schema->ensureTable('poll', Poll::schemaDef());
        $schema->ensureTable('poll_response', Poll_response::schemaDef());
        return true;
    }

    /**
     * Show the CSS necessary for this plugin
     *
     * @param Action $action the action being run
     *
     * @return boolean hook value
     */

    function onEndShowStyles($action)
    {
        $action->cssLink($this->path('poll.css'));
        return true;
    }

    /**
     * Load related modules when needed
     *
     * @param string $cls Name of the class to be loaded
     *
     * @return boolean hook value; true means continue processing, false means stop.
     */

    function onAutoload($cls)
    {
        $dir = dirname(__FILE__);

        switch ($cls)
        {
        case 'ShowpollAction':
        case 'NewpollAction':
        case 'RespondpollAction':
            include_once $dir . '/' . strtolower(mb_substr($cls, 0, -6)) . '.php';
            return false;
        case 'Poll':
        case 'Poll_response':
            include_once $dir.'/'.$cls.'.php';
            return false;
        case 'NewPollForm':
        case 'PollResponseForm':
        case 'PollResultForm':
            include_once $dir.'/'.strtolower($cls).'.php';
            return false;
        default:
            return true;
        }
    }

    /**
     * Map URLs to actions
     *
     * @param Net_URL_Mapper $m path-to-action mapper
     *
     * @return boolean hook value; true means continue processing, false means stop.
     */

    function onRouterInitialized($m)
    {
        $m->connect('main/poll/new',
127 128 129 130 131
                    array('action' => 'newpoll'));

        $m->connect('main/poll/:id',
                    array('action' => 'showpoll'),
                    array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));
132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195

        $m->connect('main/poll/:id/respond',
                    array('action' => 'respondpoll'),
                    array('id' => '[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}'));

        return true;
    }

    /**
     * Plugin version data
     *
     * @param array &$versions array of version data
     *
     * @return value
     */

    function onPluginVersion(&$versions)
    {
        $versions[] = array('name' => 'Poll',
                            'version' => self::VERSION,
                            'author' => 'Brion Vibber',
                            'homepage' => 'http://status.net/wiki/Plugin:Poll',
                            'rawdescription' =>
                            _m('Simple extension for supporting basic polls.'));
        return true;
    }

    function types()
    {
        return array(self::POLL_OBJECT);
    }

    /**
     * When a notice is deleted, delete the related Poll
     *
     * @param Notice $notice Notice being deleted
     *
     * @return boolean hook value
     */

    function deleteRelated($notice)
    {
        $p = Poll::getByNotice($notice);

        if (!empty($p)) {
            $p->delete();
        }

        return true;
    }

    /**
     * Save a poll from an activity
     *
     * @param Profile  $profile  Profile to use as author
     * @param Activity $activity Activity to save
     * @param array    $options  Options to pass to bookmark-saving code
     *
     * @return Notice resulting notice
     */

    function saveNoticeFromActivity($activity, $profile, $options=array())
    {
        // @fixme
196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221
        common_log(LOG_DEBUG, "XXX activity: " . var_export($activity, true));
        common_log(LOG_DEBUG, "XXX options: " . var_export($options, true));

        // Ok for now, we can grab stuff from the XML entry directly.
        // This won't work when reading from JSON source
        if ($activity->entry) {
            $elements = $activity->entry->getElementsByTagNameNS(self::POLL_OBJECT, 'data');
            if ($elements->length) {
                $data = $elements->item(0);
                $question = $data->getAttribute('question');
                $opts = array();
                foreach ($data->attributes as $node) {
                    $name = $node->nodeName;
                    if (substr($name, 0, 6) == 'option') {
                        $n = intval(substr($name, 6));
                        if ($n > 0) {
                            $opts[$n - 1] = $node->nodeValue;
                        }
                    }
                }
                common_log(LOG_DEBUG, "YYY question: $question");
                common_log(LOG_DEBUG, "YYY opts: " . var_export($opts, true));
            } else {
                common_log(LOG_DEBUG, "YYY no poll data");
            }
        }
222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322
    }

    function activityObjectFromNotice($notice)
    {
        assert($this->isMyNotice($notice));

        $object = new ActivityObject();
        $object->id      = $notice->uri;
        $object->type    = self::POLL_OBJECT;
        $object->title   = 'Poll title';
        $object->summary = 'Poll summary';
        $object->link    = $notice->bestUrl();

        $poll = Poll::getByNotice($notice);
        /**
         * Adding the poll-specific data. There's no standard in AS for polls,
         * so we're making stuff up.
         *
         * For the moment, using a kind of icky-looking schema that happens to
         * work with out code for generating both Atom and JSON forms, though
         * I don't like it:
         *
         * <poll:data xmlns:poll="http://apinamespace.org/activitystreams/object/poll"
         *            question="Who wants a poll question?"
         *            option1="Option one"
         *            option2="Option two"
         *            option3="Option three"></poll:data>
         *
         * "poll:data": {
         *     "xmlns:poll": http://apinamespace.org/activitystreams/object/poll
         *     "question": "Who wants a poll question?"
         *     "option1": "Option one"
         *     "option2": "Option two"
         *     "option3": "Option three"
         * }
         *
         */
        // @fixme there's no way to specify an XML node tree here, like <poll><option/><option/></poll>
        // @fixme there's no way to specify a JSON array or multi-level tree unless you break the XML attribs
        // @fixme XML node contents don't get shown in JSON
        $data = array('xmlns:poll' => self::POLL_OBJECT,
                      'question'   => $poll->question);
        foreach ($poll->getOptions() as $i => $opt) {
            $data['option' . ($i + 1)] = $opt;
        }
        $object->extra[] = array('poll:data', $data, '');
        return $object;
    }

    /**
     * @fixme WARNING WARNING WARNING parent class closes the final div that we
     * open here, but we probably shouldn't open it here. Check parent class
     * and Bookmark plugin for if that's right.
     */
    function showNotice($notice, $out)
    {
        $user = common_current_user();

        // @hack we want regular rendering, then just add stuff after that
        $nli = new NoticeListItem($notice, $out);
        $nli->showNotice();

        $out->elementStart('div', array('class' => 'entry-content poll-content'));
        $poll = Poll::getByNotice($notice);
        if ($poll) {
            if ($user) {
                $profile = $user->getProfile();
                $response = $poll->getResponse($profile);
                if ($response) {
                    // User has already responded; show the results.
                    $form = new PollResultForm($poll, $out);
                } else {
                    $form = new PollResponseForm($poll, $out);
                }
                $form->show();
            }
        } else {
            $out->text('Poll data is missing');
        }
        $out->elementEnd('div');

        // @fixme
        $out->elementStart('div', array('class' => 'entry-content'));
    }

    function entryForm($out)
    {
        return new NewPollForm($out);
    }

    // @fixme is this from parent?
    function tag()
    {
        return 'poll';
    }

    function appTitle()
    {
        return _m('Poll');
    }
}