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<?php |
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/** |
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* This file is part of FacturaScripts |
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* Copyright (C) 2019 Carlos Garcia Gomez <[email protected]> |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU Lesser General Public License as |
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* published by the Free Software Foundation, either version 3 of the |
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* License, or (at your option) any later version. |
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* |
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* This program 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 Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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namespace FacturaScripts\Core\Lib\ReportChart; |
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use FacturaScripts\Core\Base\DataBase; |
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use FacturaScripts\Dinamic\Model\Report; |
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/** |
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* Description of AreaChart |
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* |
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* @author Carlos Garcia Gomez <[email protected]> |
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*/ |
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class AreaChart |
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{ |
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/** |
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* |
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* @var Report |
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*/ |
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protected $report; |
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/** |
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* |
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* @param Report $report |
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*/ |
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public function __construct($report) |
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{ |
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$this->report = $report; |
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} |
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/** |
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* |
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* @return array |
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*/ |
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public function getData(): array |
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{ |
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$sources = $this->getDataSources(); |
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if (empty($sources)) { |
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return []; |
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} |
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$labels = []; |
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/// mix data of sources |
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$mix = []; |
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$num = 1; |
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$countSources = count($sources); |
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foreach ($sources as $source) { |
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foreach ($source as $row) { |
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$xcol = $row['xcol']; |
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if (!isset($mix[$xcol])) { |
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$labels[] = $xcol; |
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$newItem = ['xcol' => $xcol]; |
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for ($count = 1; $count <= $countSources; $count++) { |
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$newItem['ycol' . $count] = 0; |
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} |
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$mix[$xcol] = $newItem; |
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} |
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$mix[$xcol]['ycol' . $num] = $row['ycol']; |
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} |
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$num++; |
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} |
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sort($labels); |
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ksort($mix); |
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$datasets = []; |
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foreach (array_keys($sources) as $pos => $label) { |
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$num = 1 + $pos; |
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$data = []; |
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foreach ($mix as $row) { |
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$data[] = $row['ycol' . $num]; |
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} |
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$datasets[] = ['label' => $label, 'data' => $data]; |
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} |
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return ['labels' => $labels, 'datasets' => $datasets]; |
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} |
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/** |
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* |
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* @return string |
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*/ |
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public function render(): string |
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{ |
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$data = $this->getData(); |
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if (empty($data)) { |
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return ''; |
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} |
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$canvasId = 'chart' . mt_rand(); |
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$html = '<canvas id="' . $canvasId . '" height="60"/>' |
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. "<script>var ctx = document.getElementById('" . $canvasId . "').getContext('2d');" |
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. "var myChart = new Chart(ctx, { |
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type: 'line', |
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data: { |
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labels: ['" . implode("','", $data['labels']) . "'], |
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datasets: [" . $this->renderDatasets($data['datasets']) . "] |
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}, |
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options: {} |
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});</script>"; |
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return $html; |
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} |
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/** |
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* |
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* @return array |
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*/ |
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protected function getDataSources(): array |
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{ |
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$dataBase = new DataBase(); |
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$sql = $this->getSql($this->report); |
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if (empty($sql) || !$dataBase->tableExists($this->report->table)) { |
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return []; |
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} |
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$sources = []; |
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$sources[$this->report->name] = $dataBase->select($sql); |
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$comparedReport = new Report(); |
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if (!empty($this->report->compared) && $comparedReport->loadFromCode($this->report->compared)) { |
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$sources[$comparedReport->name] = $dataBase->select($this->getSql($comparedReport)); |
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} |
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return $sources; |
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} |
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/** |
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* |
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* @param Report $report |
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* |
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* @return string |
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*/ |
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protected function getSql($report): string |
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{ |
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if (empty($report->table) || empty($report->xcolumn)) { |
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return ''; |
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} |
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$xcol = $report->xcolumn; |
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switch ($report->xoperation) { |
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case 'DAY': |
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$xcol = "DATE_FORMAT(" . $report->xcolumn . ", '%Y-%m-%d')"; |
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break; |
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case 'WEEK': |
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$xcol = "DATE_FORMAT(" . $report->xcolumn . ", '%Y-%u')"; |
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break; |
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case 'MONTH': |
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$xcol = "DATE_FORMAT(" . $report->xcolumn . ", '%Y-%m')"; |
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break; |
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case 'UNIXTIME_DAY': |
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$xcol = "DATE_FORMAT(FROM_UNIXTIME(" . $report->xcolumn . "), '%Y-%m-%d')"; |
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break; |
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case 'UNIXTIME_WEEK': |
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$xcol = "DATE_FORMAT(FROM_UNIXTIME(" . $report->xcolumn . "), '%Y-%u')"; |
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break; |
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case 'UNIXTIME_MONTH': |
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$xcol = "DATE_FORMAT(FROM_UNIXTIME(" . $report->xcolumn . "), '%Y-%m')"; |
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break; |
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case 'UNIXTIME_YEAR': |
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$xcol = "DATE_FORMAT(FROM_UNIXTIME(" . $report->xcolumn . "), '%Y')"; |
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break; |
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case 'YEAR': |
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$xcol = "DATE_FORMAT(" . $report->xcolumn . ", '%Y')"; |
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break; |
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} |
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$ycol = empty($report->ycolumn) ? 'COUNT(*)' : 'SUM(' . $report->ycolumn . ')'; |
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return 'SELECT ' . $xcol . ' as xcol, ' . $ycol . ' as ycol' |
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. ' FROM ' . $report->table . ' GROUP BY xcol ORDER BY xcol ASC;'; |
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} |
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/** |
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* |
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* @param array $datasets |
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* |
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* @return string |
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*/ |
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protected function renderDatasets($datasets): string |
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{ |
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$colors = ['255, 99, 132', '54, 162, 235', '255, 206, 86']; |
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$items = []; |
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$num = 0; |
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foreach ($datasets as $dataset) { |
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$color = isset($colors[$num]) ? $colors[$num] : '255, 206, 86'; |
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$num++; |
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$items[] = "{ |
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label: '" . $dataset['label'] . "', |
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data: [" . implode(",", $dataset['data']) . "], |
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backgroundColor: [ |
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'rgba(" . $color . ", 0.2)' |
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], |
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borderColor: [ |
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'rgba(" . $color . ", 1)' |
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], |
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borderWidth: 1 |
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}"; |
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} |
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return implode(',', $items); |
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} |
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} |
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NeoRazorX /
facturascripts
