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efrain |
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<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* Configurable Reports
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* A Moodle block for creating customizable reports
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* @package blocks
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* @author: Juan leyva <http://www.twitter.com/jleyvadelgado>
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* @date: 2009
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*/
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require_once($CFG->dirroot.'/blocks/configurable_reports/plugin.class.php');
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class plugin_average extends plugin_base{
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public function init() {
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$this->form = true;
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$this->unique = false;
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$this->fullname = get_string('average', 'block_configurable_reports');
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$this->reporttypes = array('courses', 'users', 'sql', 'timeline', 'categories');
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}
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public function summary($data) {
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global $DB, $CFG;
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if ($this->report->type != 'sql') {
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$components = cr_unserialize($this->report->components);
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if (!is_array($components) || empty($components['columns']['elements'])) {
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print_error('nocolumns');
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}
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$columns = $components['columns']['elements'];
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$i = 0;
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foreach ($columns as $c) {
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if ($i == $data->column) {
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return $c['summary'];
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}
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$i++;
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}
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} else {
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require_once($CFG->dirroot.'/blocks/configurable_reports/report.class.php');
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require_once($CFG->dirroot.'/blocks/configurable_reports/reports/'.$this->report->type.'/report.class.php');
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$reportclassname = 'report_'.$this->report->type;
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$reportclass = new $reportclassname($this->report);
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$components = cr_unserialize($this->report->components);
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$config = (isset($components['customsql']['config'])) ? $components['customsql']['config'] : new \stdclass;
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if (isset($config->querysql)) {
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$sql = $config->querysql;
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$sql = $reportclass->prepare_sql($sql);
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if ($rs = $reportclass->execute_query($sql)) {
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foreach ($rs as $row) {
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$i = 0;
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foreach ($row as $colname => $value) {
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if ($i == $data->column) {
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return str_replace('_', ' ', $colname);
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}
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$i++;
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}
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break;
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}
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$rs->close();
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}
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}
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}
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return '';
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}
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public function execute($rows) {
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$result = 0;
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$els = 0;
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foreach ($rows as $r) {
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$result += (is_numeric($r)) ? $r : 0;
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$els++;
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}
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if ($els == 0) {
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$els = 1;
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}
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return round($result / $els, 2);
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}
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}
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