File vendors/shells/thumb.php | BEdita API doc

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<?php
/*-----8<--------------------------------------------------------------------
 * 
 * BEdita - a semantic content management framework
 * 
 * Copyright 2016 ChannelWeb Srl, Chialab Srl
 * 
 * This file is part of BEdita: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published 
 * by the Free Software Foundation, either version 3 of the License, or 
 * (at your option) any later version.
 * BEdita is distributed WITHOUT ANY WARRANTY; without even the implied 
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Lesser General Public License for more details.
 * You should have received a copy of the GNU Lesser General Public License 
 * version 3 along with BEdita (see LICENSE.LGPL).
 * If not, see <http://gnu.org/licenses/lgpl-3.0.html>.
 * 
 *------------------------------------------------------------------->8-----
 */

require_once 'bedita_base.php';

/**
 * Shell script to create thumbnails 
 */
class ThumbShell extends BeditaBaseShell {

    /**
     * Create thumb from image id with basic options 
     */
    public function create() {
        $id = isset($this->params['id']) ? $this->params['id'] : null;
        $uri = isset($this->params['-uri']) ? $this->params['-uri'] : null;
        if (!$id && !$uri) {
            $this->out('Please use --uri or -id options to identify source image');
            return;
        }
        $stream = ClassRegistry::init('Stream');
        if ($id) {
            $imgData = $stream->findById($id);
        } else {
            $imgData = $stream->find('first', array('conditions' => array('uri' => $uri)));
            if (!empty($imgData['Stream'])) {
                $imgData = $imgData['Stream'];
            }
        }
        if ($imgData === false || empty($imgData['uri'])) {
            if ($id) {
                $this->out('No stream uri found for image id: ' . $id);
            } else {
                $this->out('Stream uri not found: ' . $uri);
            }
            return;
        }
        $beThumb = BeLib::getObject('BeThumb');
        $options = $this->readThumbOptions();
        $thumbUri = $beThumb->image($imgData, $options);
        $this->out('Thumbnail created: ' . $thumbUri);
        $this->out('Done');
    }

    private function readThumbOptions() {
        $res = array();
        if (!empty($this->params['-thumb-options'])) {
            $thumbOpts = $this->params['-thumb-options'];
            $opts = explode(',', $thumbOpts);
            foreach ($opts as $v) {
                $opt = explode('=', $v);
                if (count($opt) != 2) {
                    $this->out('bad input parameter: ' . $thumbOpts);
                    return false;
                }
                if ($opt[1] === 'true') {
                    $opt[1] = true;
                } elseif ($opt[1] === 'false') {
                    $opt[1] = false;
                } elseif ($opt[1] === 'null') {
                    $opt[1] = null;
                }
                $res[$opt[0]] = $opt[1];
            }
        }
        return $res;
    }

    function help() {
        $this->out('Available functions:');
        $this->out(' ');
        $this->out('1. create: thumbnail from image id or stream uri');
        $this->out(' ');
        $this->out('   Usage: create [-id <object-id>] [--uri <stream-uri>] [--thumb-options <thumb-options>]');
        $this->out(' ');
        $this->out("    -id <object-id>\t source image id");
        $this->out("    --uri <stream-uri>\t local stream uri, relative to media root folder - e.g. /ad/54/img.jpg");
        $this->out("    --thumb-options \t thumb options in the form width=100|height=100|...");
        $this->out(' ');
    }
}

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