<?php
///////////////////////////////////////////////////////////////////////////////
//    avatar_templ_add.class.php
//                                               by Fumi.Iseki
//

if (!defined('CMS_MODULE_PATH')) exit();

require_once(realpath(CMS_MODULE_PATH.'/include/modlos.func.php'));
require_once(realpath(CMS_MODULE_PATH.'/admin/lib/modlos_avatar_templ_form.php'));


class  AvatarTemplAdd
{
    var $db_data     = array();

    var $course_id   = 0;
    var $isPost      = false;
    var $order_num   = 1;

    var $return_url;
    var $add_url;
    var $edit_url;
    var $delete_url;

    var $url_params;
    var $hasPermit   = false;

    var $mform       = null;

    var    $hasError = false;
    var    $errorMsg = array();


    function  __construct($course_id) 
    {
        $this->course_id = $course_id;
        $this->hasPermit = hasModlosPermit($this->course_id);
        if (!$this->hasPermit) {
            $this->hasError = true;
            $this->errorMsg[] = get_string('modlos_access_forbidden', 'block_modlos');
            return;
        }
        //
        $this->url_params = '?course='.$course_id;
        $this->return_url = CMS_MODULE_URL.'/admin/actions/avatar_templ.php'.$this->url_params;
        $this->add_url    = CMS_MODULE_URL.'/admin/actions/avatar_templ_add.php'.$this->url_params;
        $this->edit_url   = CMS_MODULE_URL.'/admin/actions/avatar_templ_edit.php'.$this->url_params.  '&amp;templid=';
        $this->delete_url = CMS_MODULE_URL.'/admin/actions/avatar_templ_delete.php'.$this->url_params.'&amp;templid=';
    }


    function  execute()
    {
        global $CFG, $DB, $USER;

        if (!$this->hasPermit) return false;

        // Cancel
        $cancel = optional_param('cancel', null, PARAM_TEXT);
        if ($cancel) redirect($this->return_url, 'Please wait ...', 0);

        //
        $num = 0;
        $query_str = 'SELECT max(num) FROM '.$CFG->prefix.'modlos_template_avatars';
        $obj_nums = $DB->get_records_sql($query_str);
        foreach ($obj_nums as $obj_num) {
            $num = $obj_num->{'max(num)'};
            break;
        }
        $this->order_num = $num + 1;

        //
        // POST
        if ($formdata = data_submitted()) {
            //
            if (!confirm_sesskey()) {
                $this->hasError = true;
                $this->errorMsg[] = get_string('modlos_sesskey_error', 'block_modlos');
                return false;
            }
            
            $title  = trim(required_param('title', PARAM_TEXT));
            $uuid   = trim(required_param('uuid',  PARAM_TEXT));
            $order  = optional_param('order', $this->order_num, PARAM_INT);
            $status = optional_param('valid', '0', PARAM_INT);

            // Check
            if ($title==null) {
                $this->hasError = true;
                $this->errorMsg[] = get_string('modlos_templ_title_invalid', 'block_modlos');
            }
            $info = opensim_get_avatar_info($uuid, false);
            if ($info==null) {
                $this->hasError = true;
                $this->errorMsg[] = get_string('modlos_templ_uuid_invalid', 'block_modlos');
            }
            else if ($info['fullname']==null or $info['hgURI']!=null) {
                $this->hasError = true;
                $this->errorMsg[] = get_string('modlos_templ_uuid_mis', 'block_modlos');
            }
            else {
                $ret = $DB->get_record('modlos_template_avatars', array('uuid'=>$uuid));
                if ($ret) {
                    $this->hasError = true;
                    $this->errorMsg[] = get_string('modlos_templ_uuid_dup', 'block_modlos');
                }
            }
            if ($order<=0) $order = $this->order_num;

            if ($this->hasError) return false;

            // Editor
            $explain = required_param_array('explain', PARAM_RAW);

            $template = array();
            $template['num']       = $order;
            $template['title']     = $title;
            $template['uuid']      = $uuid;
            $template['text']      = htmlspecialchars($explain['text']); // htmlspecialchars_decode
            $template['format']    = $explain['format'];
            $template['fileid']    = 0;
            $template['filename']  = '';
            $template['itemid']    = 0;
            $template['status']    = $status;
            $template['timestamp'] = time();

            // File Manager. see lib/filelib.php
            $picid = file_get_submitted_draft_itemid('picfile');
            $context_id = jbxl_get_block_id('modlos');
            file_save_draft_area_files($picid, $context_id, 'block_modlos', 'templ_picture', $picid, array('maxfiles'=>1));

            $condition = "itemid=$picid AND contextid=$context_id AND component='block_modlos' AND filearea='templ_picture' AND ".
                         "filename!='\\.' AND filesize!='0' AND source!='NULL'";
            $query_str = 'SELECT id,filename FROM '.$CFG->prefix.'files WHERE '.$condition;

            if ($files = $DB->get_records_sql($query_str)) {
                foreach($files as $file) {
                    $template['fileid']   = $file->id;
                    $template['filename'] = $file->filename;
                    break;
                }
            }
            $template['itemid'] = $picid;

            // insert to DB
            $ret = $DB->insert_record('modlos_template_avatars', $template);
            if (!$ret) {
                $this->hasError = true;
                $this->errorMsg[] = get_string('modlos_templ_db_fail', 'block_modlos').' (insert)';
                return false;
            }

            // for Display
            $this->db_data             = $template;
            $this->db_data['id']       = $ret;
            $this->db_data['html']     = htmlspecialchars_decode($template['text']);
            $this->db_data['fullname'] = '';
            $this->db_data['url']      = '';

            $name = opensim_get_avatar_name($template['uuid'], false);
            if ($name) $this->db_data['fullname'] = $name['fullname'];

            $usercontext = context_user::instance($USER->id);
            if ($template['filename']) {
                $path = '@@PLUGINFILE@@/'.$template['filename'];
                $this->db_data['url'] = file_rewrite_pluginfile_urls($path, 'pluginfile.php', $usercontext->id, 'block_modlos', 'templ_picture', $template['itemid']);
            }

            $this->isPost = true;
        }

        return true;
    }


    function  print_page() 
    {
        global $CFG;

        if (!$this->isPost) {
            $this->mform = new modlos_avatar_templ_form();
            $data = array('order'=>$this->order_num, 'submitbutton'=>get_string('modlos_save_ttl', 'block_modlos'));
            $this->mform->set_data($data);
        }

        $grid_name  = $CFG->modlos_grid_name;

        $avatar     = $this->db_data;
        $mform      = $this->mform;
        $isPost     = $this->isPost;

        $url_params = $this->url_params;
        $return_url = $this->return_url;
        $add_url    = $this->add_url;

        $avatar_templ_ttl = get_string('modlos_templ_ttl',          'block_modlos');
        $add_avatar       = get_string('modlos_templ_add_ttl',      'block_modlos');
        $add_more         = get_string('modlos_templ_add_more_ttl', 'block_modlos');
        $add_success      = get_string('modlos_templ_add_ok',       'block_modlos');
        $add_fail         = get_string('modlos_templ_add_fail',     'block_modlos');
        $invalid_ttl      = get_string('modlos_invalid',            'block_modlos');
        $modlos_return    = get_string('modlos_return_ttl',         'block_modlos');

        include(CMS_MODULE_PATH.'/admin/html/avatar_templ_add.html');
    }
}