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Directory :  /proc/3/root/var/www/wordpress/phpMyAdmin/libraries/classes/Controllers/Table/

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Current File : /proc/3/root/var/www/wordpress/phpMyAdmin/libraries/classes/Controllers/Table/ChartController.php
<?php
/* vim: set expandtab sw=4 ts=4 sts=4: */
/**
 * Holds the PhpMyAdmin\Controllers\Table\ChartController
 *
 * @package PhpMyAdmin\Controllers
 */
declare(strict_types=1);

namespace PhpMyAdmin\Controllers\Table;

use PhpMyAdmin\DatabaseInterface;
use PhpMyAdmin\Message;
use PhpMyAdmin\Response;
use PhpMyAdmin\SqlParser\Components\Limit;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Statements\SelectStatement;
use PhpMyAdmin\Template;
use PhpMyAdmin\Util;

/**
 * Handles table related logic
 *
 * @package PhpMyAdmin\Controllers
 */
class ChartController extends AbstractController
{
    /**
     * @var string
     */
    protected $sql_query;

    /**
     * @var string
     */
    protected $url_query;

    /**
     * @var array
     */
    protected $cfg;

    /**
     * Constructor
     *
     * @param Response          $response  Response object
     * @param DatabaseInterface $dbi       DatabaseInterface object
     * @param Template          $template  Template object
     * @param string            $db        Database name
     * @param string            $table     Table name
     * @param string            $sql_query Query
     * @param string            $url_query Query URL
     * @param array             $cfg       Configuration
     */
    public function __construct(
        $response,
        $dbi,
        Template $template,
        $db,
        $table,
        $sql_query,
        $url_query,
        array $cfg
    ) {
        parent::__construct($response, $dbi, $template, $db, $table);

        $this->sql_query = $sql_query;
        $this->url_query = $url_query;
        $this->cfg = $cfg;
    }

    /**
     * Execute the query and return the result
     *
     * @return void
     */
    public function indexAction()
    {
        $response = Response::getInstance();
        if ($response->isAjax()
            && isset($_REQUEST['pos'])
            && isset($_REQUEST['session_max_rows'])
        ) {
            $this->ajaxAction();
            return;
        }

        // Throw error if no sql query is set
        if (! isset($this->sql_query) || $this->sql_query == '') {
            $this->response->setRequestStatus(false);
            $this->response->addHTML(
                Message::error(__('No SQL query was set to fetch data.'))
            );
            return;
        }

        $this->response->getHeader()->getScripts()->addFiles(
            [
                'chart.js',
                'table/chart.js',
                'vendor/jqplot/jquery.jqplot.js',
                'vendor/jqplot/plugins/jqplot.barRenderer.js',
                'vendor/jqplot/plugins/jqplot.canvasAxisLabelRenderer.js',
                'vendor/jqplot/plugins/jqplot.canvasTextRenderer.js',
                'vendor/jqplot/plugins/jqplot.categoryAxisRenderer.js',
                'vendor/jqplot/plugins/jqplot.dateAxisRenderer.js',
                'vendor/jqplot/plugins/jqplot.pointLabels.js',
                'vendor/jqplot/plugins/jqplot.pieRenderer.js',
                'vendor/jqplot/plugins/jqplot.enhancedPieLegendRenderer.js',
                'vendor/jqplot/plugins/jqplot.highlighter.js',
            ]
        );

        /**
         * Extract values for common work
         * @todo Extract common files
         */
        $db = &$this->db;
        $table = &$this->table;
        $url_params = [];

        /**
         * Runs common work
         */
        if (strlen($this->table) > 0) {
            $url_params['goto'] = Util::getScriptNameForOption(
                $this->cfg['DefaultTabTable'],
                'table'
            );
            $url_params['back'] = 'tbl_sql.php';
            include ROOT_PATH . 'libraries/tbl_common.inc.php';
            $this->dbi->selectDb($GLOBALS['db']);
        } elseif (strlen($this->db) > 0) {
            $url_params['goto'] = Util::getScriptNameForOption(
                $this->cfg['DefaultTabDatabase'],
                'database'
            );
            $url_params['back'] = 'sql.php';
            include ROOT_PATH . 'libraries/db_common.inc.php';
        } else {
            $url_params['goto'] = Util::getScriptNameForOption(
                $this->cfg['DefaultTabServer'],
                'server'
            );
            $url_params['back'] = 'sql.php';
            include ROOT_PATH . 'libraries/server_common.inc.php';
        }

        $data = [];

        $result = $this->dbi->tryQuery($this->sql_query);
        $fields_meta = $this->dbi->getFieldsMeta($result);
        while ($row = $this->dbi->fetchAssoc($result)) {
            $data[] = $row;
        }

        $keys = array_keys($data[0]);

        $numeric_types = [
            'int',
            'real',
        ];
        $numeric_column_count = 0;
        foreach ($keys as $idx => $key) {
            if (in_array($fields_meta[$idx]->type, $numeric_types)) {
                $numeric_column_count++;
            }
        }

        if ($numeric_column_count == 0) {
            $this->response->setRequestStatus(false);
            $this->response->addJSON(
                'message',
                __('No numeric columns present in the table to plot.')
            );
            return;
        }

        $url_params['db'] = $this->db;
        $url_params['reload'] = 1;

        /**
         * Displays the page
         */
        $this->response->addHTML(
            $this->template->render('table/chart/tbl_chart', [
                'url_query' => $this->url_query,
                'url_params' => $url_params,
                'keys' => $keys,
                'fields_meta' => $fields_meta,
                'numeric_types' => $numeric_types,
                'numeric_column_count' => $numeric_column_count,
                'sql_query' => $this->sql_query,
            ])
        );
    }

    /**
     * Handle ajax request
     *
     * @return void
     */
    public function ajaxAction()
    {
        /**
         * Extract values for common work
         * @todo Extract common files
         */
        $db = &$this->db;
        $table = &$this->table;

        if (strlen($this->table) > 0 && strlen($this->db) > 0) {
            include ROOT_PATH . 'libraries/tbl_common.inc.php';
        }

        $parser = new Parser($this->sql_query);
        /**
         * @var SelectStatement $statement
         */
        $statement = $parser->statements[0];
        if (empty($statement->limit)) {
            $statement->limit = new Limit(
                $_REQUEST['session_max_rows'],
                $_REQUEST['pos']
            );
        } else {
            $start = $statement->limit->offset + $_REQUEST['pos'];
            $rows = min(
                $_REQUEST['session_max_rows'],
                $statement->limit->rowCount - $_REQUEST['pos']
            );
            $statement->limit = new Limit($rows, $start);
        }
        $sql_with_limit = $statement->build();

        $data = [];
        $result = $this->dbi->tryQuery($sql_with_limit);
        while ($row = $this->dbi->fetchAssoc($result)) {
            $data[] = $row;
        }

        if (empty($data)) {
            $this->response->setRequestStatus(false);
            $this->response->addJSON('message', __('No data to display'));
            return;
        }
        $sanitized_data = [];

        foreach ($data as $data_row_number => $data_row) {
            $tmp_row = [];
            foreach ($data_row as $data_column => $data_value) {
                $escaped_value = $data_value === null ? null : htmlspecialchars($data_value);
                $tmp_row[htmlspecialchars($data_column)] = $escaped_value;
            }
            $sanitized_data[] = $tmp_row;
        }
        $this->response->setRequestStatus(true);
        $this->response->addJSON('message', null);
        $this->response->addJSON('chartData', json_encode($sanitized_data));
    }
}

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