Notify portfolio changes using generated image instead of text

.gitignore

@@ -13,3 +13,6 @@
 ###> phpstan/phpstan ###
 phpstan.neon
 ###< phpstan/phpstan ###
+
+## image generated for test purposes
+portfolio.png

README.md

@@ -1,4 +1,11 @@
 **FinFollowBCS**
 
-do not forget to remove `var/imap/attachments/*.bin` files after
+The main goal is
+1. Fetch emails from bcs-robot@ mailbox
+2. Extract xml reports from emails attachments
+3. Process xml reports to portfolio changes
+4. Format portfolio changes to image (using text presentation) and notify via Telegram
+
+NB:
+Do not forget to remove `var/imap/attachments/*.bin` files after
 

src/Command/ImportFromXmlCommand.php

@@ -3,6 +3,7 @@
 namespace App\Command;
 
 use App\Presentation\PortfolioPresenter as PresentationPortfolio;
+use App\Service\TelegramNotifier;
 use App\Service\XmlParser;
 use Symfony\Component\Console\Attribute\AsCommand;
 use Symfony\Component\Console\Command\Command;
@@ -14,12 +15,13 @@ use Symfony\Component\Console\Style\SymfonyStyle;
 
 #[AsCommand(
     name: 'app:import-from-xml',
-    description: 'Imports one xml Portfolio file and render it to display',
+    description: 'Imports one XML Portfolio file and render it to display and to PNG and optionally sends to telegram bot',
 )]
 class ImportFromXmlCommand extends Command
 {
     public function __construct(
-        private readonly XmlParser $xmlParser,
+        private readonly XmlParser        $xmlParser,
+        private readonly TelegramNotifier $telegramNotifier,
     )
     {
         parent::__construct();
@@ -28,8 +30,9 @@ class ImportFromXmlCommand extends Command
     protected function configure(): void
     {
         $this
-//            ->addArgument('xml-file', null, InputArgument::REQUIRED, 'xml file with portfolio data')
+            //->addArgument('xml-file', null, InputArgument::REQUIRED, 'XML file with portfolio data')
             ->addOption('xml-file', null, InputOption::VALUE_REQUIRED, 'XML file with Portfolio data')
+            ->addOption('notify', null, InputOption::VALUE_NONE, 'Notify to telegram')
         ;
     }
 
@@ -46,7 +49,12 @@ class ImportFromXmlCommand extends Command
         $xml = simplexml_load_string($xmlString);
 
         $parsedPortfolio = $this->xmlParser->processXml($xml);
-        print (new PresentationPortfolio)->toPrint($parsedPortfolio);
+        print (new PresentationPortfolio)->toText($parsedPortfolio);
+        (new PresentationPortfolio)->toImage($parsedPortfolio, 'portfolio.png');
+
+        if ($input->getOption('notify')) {
+            $this->telegramNotifier->notify('', 'portfolio.png');
+        }
 
         //$io->success('You have a new command! Now make it your own! Pass --help to see your options.');
 

src/Presentation/PortfolioPresenter.php

@@ -13,19 +13,51 @@ class PortfolioPresenter
         ['RU000A1014L8'], ['LQDT'],
     ];
 
+    private const FONT_SIZE = 12;
+    private const FONT_NAME = 'droid_sans_mono';
+    private const COPYRIGHT_MARK = ' ©ЕИ';
+
     private array $MapSecuritiesPrintable = [];
 
-    public function toPrint(ParsedPortfolio $parsedPortfolio): string
+    public function toImage(ParsedPortfolio $parsedPortfolio, string $filename): void
+    {
+        $im = imagecreatetruecolor(1000, 1000);
+        $whitey = imagecolorallocate($im, 240, 240, 240);
+        $grey = imagecolorallocate($im, 48, 48, 48);
+        imagefill($im, 0, 0, $grey);
+
+        putenv('GDFONTPATH=' . realpath('.'));
+        // Замена пути к шрифту на пользовательский
+
+        $lines = explode("\n", $this->toText($parsedPortfolio));
+        $height = self::FONT_SIZE;
+        foreach ($lines as $line) {
+            imagefttext($im, self::FONT_SIZE, 0, 0, $height, $whitey, self::FONT_NAME, $line);
+            $height += self::FONT_SIZE + round(0.5 * self::FONT_SIZE);
+        }
+
+        $cropped = imagecropauto($im, IMG_CROP_SIDES);
+        if ($cropped !== false) { // in case a new image object was returned
+            imagedestroy($im);    // we destroy the original image
+            $im = $cropped;       // and assign the cropped image to $im
+        }
+
+        imagepng($im, $filename);
+        imagedestroy($im);
+    }
+
+    public function toText(ParsedPortfolio $parsedPortfolio): string
     {
         $output = new BufferedOutput();
 
         $tableStyle = new TableStyle();
-        $tableStyle->setPadType(STR_PAD_BOTH);
+        $tableStyle->setPadType(STR_PAD_LEFT);
 
-        $table = new Table($output);
+        $cellStyle = new TableStyle();
+        $cellStyle->setPadType(STR_PAD_RIGHT);
 
+        $table = new Table($output);
         $table->setHeaderTitle("СОСТАВ: {$parsedPortfolio->getHeader()['НачПериода']} - {$parsedPortfolio->getHeader()['КонПериода']}");
-
         $table->setHeaders([
             'ЦБ', 'Qн', 'Pн', 'Qк', 'Pк'
         ]);
@@ -42,15 +74,13 @@ class PortfolioPresenter
             ]);
         }
 
+        $table->setColumnStyle(0, $cellStyle);
         $table->setStyle($tableStyle)->render();
 
         $txt = $output->fetch();
 
         $table = new Table($output);
-
-
         $table->setHeaderTitle("ДВИЖ: {$parsedPortfolio->getHeader()['НачПериода']} - {$parsedPortfolio->getHeader()['КонПериода']}");
-
         $table->setHeaders([
             'ЦБ', 'Qн', 'In', 'Out', 'Qк'
         ]);
@@ -66,8 +96,9 @@ class PortfolioPresenter
             ]);
         }
 
+        $table->setColumnStyle(0, $cellStyle);
         $table->setStyle($tableStyle)->render();
-        $txt .= PHP_EOL . $output->fetch();
+        $txt .= PHP_EOL . rtrim($output->fetch()) . self::COPYRIGHT_MARK;
 
         return $txt;
     }

src/Service/MailFetcher.php

@@ -130,10 +130,13 @@ readonly class MailFetcher
             $xml = simplexml_load_string($xmlString);
 
             $parsedPortfolio = $this->xmlParser->processXml($xml);
-            $message = (new PresentationPortfolio)->toPrint($parsedPortfolio);
 
             if ($this->portfolioManager->updatePortfolio($parsedPortfolio, $xmlString)) {
-                $this->telegramNotifier->notify('<pre>' . $message . '</pre>');
+                //$this->telegramNotifier->notify('<pre>' . (new PresentationPortfolio)->toText($parsedPortfolio) . '</pre>');
+
+                $pngFilename = $tmpdir . '/portfolio.png';
+                (new PresentationPortfolio)->toImage($parsedPortfolio, $pngFilename);
+                $this->telegramNotifier->notify('', $pngFilename);
             }
 
             $fs = new Filesystem();

src/Service/TelegramNotifier.php

@@ -13,7 +13,7 @@ readonly class TelegramNotifier
     {
     }
 
-    public function notify(string $message): void
+    public function notify(string $message, ?string $filename = null): void
     {
         $telegramTransport = new TelegramTransport($this->telegramBotToken, $this->telegramChatId);
         $chatter = new Chatter($telegramTransport);
@@ -21,6 +21,11 @@ readonly class TelegramNotifier
 
         $telegramOptions = new TelegramOptions();
         $telegramOptions->parseMode(TelegramOptions::PARSE_MODE_HTML);
+
+        if ($filename) {
+            $telegramOptions->uploadPhoto($filename);
+        }
+
         $chatMessage->options($telegramOptions);
 
         $chatter->send($chatMessage);