Graph::destroy() - Code Metrics - Inspection of "WIP: Rip out score" - CorWatts/fasterscale - Measure and Improve Code Quality continuously with Scrutinizer

Completed
Pull Request — master (#163)

by Corey
created 2019-03-01 20:24 UTC
Graph::destroy() A

↳ Parent: Graph
Complexity

Conditions	1
Paths	1
Size

Total Lines	3
Code Lines	2
Duplication

Lines	0
Ratio	0 %
Importance

Changes
Metric	Value
dl	0
loc	3
c	0
b	0
f	0
rs	10
cc	1
eloc	2
nc	1
nop	0
<?php
namespace common\components;

use yii;
use Amenadiel\JpGraph\Graph as JpGraph;
use Amenadiel\JpGraph\Plot\Plot;
use Amenadiel\JpGraph\Plot\AccBarPlot;
use Amenadiel\JpGraph\Plot\GroupBarPlot;
use Amenadiel\JpGraph\Plot\BarPlot;

/**
 * Graph is a collection of functions related to the score chart that is used
 * in the email report and when a user makes their check-in scores public
 */
class Graph extends \yii\base\BaseObject {
  private $user;

  public function __construct(\common\interfaces\UserInterface $user, $config = []) {
    $this->user = $user;
    parent::__construct($config);
  }

  /**
   * Returns the filepath location of the generated graph image
   *
   * @return string the graph image filepath
   */
  public function getFilepath() {
    $path = Yii::getAlias('@graphImgPath');
    $filename = $this->user->getIdHash() . ".png";
    $filename = $this->user->/** @scrutinizer ignore-call */ getIdHash() . ".png";
    return $path. '/' . $filename;
  }

  /**
   * Returns the URL of the generated graph image
   *
   * @return string the graph image URL
   */
  public function getUrl() {
    $filename = $this->user->getIdHash() . ".png";
    return \yii\helpers\Url::to("@graphImgUrl/$filename", true);
  }

  /**
   * Deletes the graph image
   */
  public function destroy() {
    $filepath = $this->getFilepath();
    @unlink($filepath);
    /** @scrutinizer ignore-unhandled */ @unlink($filepath);
  }

  /**
   * Creates the graph image
   *
   * Generates the graph image according to the values passed in by $values. It
   * always returns the in-memory image, saving the image to disk is optionally
   * specified with the $toDisk boolean.
   *
   * @param array $values an associative array of dates => scores
   * @param bool $toDisk used to specify whether or not to save the generated image to disk at the filepath returned by getFilepath(). Defaults to false.
   * @return string the encoded image
   */
  public function create(array $checkins, bool $toDisk = false) {
    if($toDisk) {
      // wipe out the current image, if it exists
      $this->destroy();
    }

    // Create the graph. These two calls are always required
    $graph = new JpGraph\Graph(800, 600, 'auto');
    $graph->SetImgFormat('png');
    $graph->img->SetImgFormat('png');
    $graph->SetScale("textlin");
    $graph->img->SetMargin(60, 60, 40, 140);
    $graph->img->SetAntiAliasing();

    //$graph->yaxis->SetTickPositions(array(0,50,100,150,200,250,300,350), array(25,75,125,175,275,325));
    $graph->SetShadow();
    $graph->ygrid->SetFill(false);

    // Setup dates as labels on the X-axis
    $graph->xaxis->SetTickLabels(array_keys($checkins));
    $graph->xaxis->HideTicks(false,false);
    $graph->yaxis->scale->SetAutoMin(0);
    $graph->yaxis->HideLine(false);
    $graph->yaxis->HideTicks(false,false);
    $graph->xaxis->SetLabelAngle(45);
    $graph->xaxis->SetFont(FF_ARIAL, FS_NORMAL, 10);
    $graph->yaxis->SetFont(FF_ARIAL, FS_NORMAL, 15);

    $category = Yii::$container->get(\common\interfaces\CategoryInterface::class);

    // format the data into something nicer
    $accum = [];
    foreach($checkins as $checkin_sum) {
      for($i = 1; $i <= 7; $i ++) {
        $accum[$i][] = array_key_exists($i, $checkin_sum) ? $checkin_sum[$i]['count'] : 0;
      }
    }

    // Create the bar plots
    $plots = [];
    foreach($accum as $category_key => $category_data) {
      $bplot = new BarPlot($category_data);
      $color = $category::$colors[$category_key]['color'];

      $bplot->SetColor($color);
      $bplot->SetFillColor($color);
      $bplot->SetLegend(($category::getCategories())[$category_key]);

      $plots[] = $bplot;
    }

    $gbbplot = new AccBarPlot($plots);
    $graph->Add($gbbplot);

    // $graph->legend->SetFrameWeight(1);
    $graph->legend->SetColumns(3);
    $graph->legend->SetColor('#4E4E4E','#00A78A');

    //$graph->title->SetFont(FF_ARIAL, FS_BOLD, 20);
    //$graph->title->Set("Behaviors by category over time");

/*

    $graph = new JpGraph\Graph(800, 600);
    $graph->SetImgFormat('png');
    $graph->img->SetImgFormat('png');
    $graph->img->SetMargin(60, 60, 40, 140);
    $graph->img->SetAntiAliasing();
    $graph->SetScale("textlin");
    $graph->yaxis->scale->SetAutoMin(0);
    $graph->yaxis->SetLabelFormatCallback('floor');
    $graph->SetShadow();
    $graph->title->Set("Last month's scores");
    $graph->title->SetFont(FF_ARIAL, FS_BOLD, 20);
    $graph->xaxis->SetLabelAngle(45);
    $graph->xaxis->SetTickLabels($dates);
    $graph->xaxis->SetFont(FF_ARIAL, FS_NORMAL, 15);
    $graph->yaxis->SetFont(FF_ARIAL, FS_NORMAL, 15);
    $graph->Add($p1);
 */
    $img = $graph->Stroke(_IMG_HANDLER);

    ob_start();
    imagepng($img);
    $img_data = ob_get_clean();

    if($toDisk) {
      $filepath = $this->getFilepath(); 
      if(!is_dir(dirname($filepath))) {
        mkdir(dirname($filepath), 0766, true);
      }

      file_put_contents($filepath, $img_data, LOCK_EX);
    }

    return $img_data;
  }
}

CorWatts / fasterscale

Pull Request — master (#163)

Graph::destroy() A

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