App src code

app/common/Controller/Base.php

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+<?php
+namespace ProVM\Common\Controller;
+
+use ProVM\Common\Service\Logs;
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Slim\Views\Blade as View;
+
+class Base
+{
+    public function __invoke(ServerRequestInterface $request, ResponseInterface $response, View $view, Logs $service): ResponseInterface
+    {
+        $files = $service->getFiles();
+        return $view->render($response, 'home', compact('files'));
+    }
+}

app/common/Controller/Logs.php

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+<?php
+namespace ProVM\Common\Controller;
+
+use Psr\Http\Message\ResponseInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Slim\Views\Blade as View;
+use ProVM\Common\Service\Logs as Service;
+use ProVM\Logview\Log;
+
+class Logs
+{
+    public function get(ServerRequestInterface $request, ResponseInterface $response, View $view, Service $service, string $log_file): ResponseInterface
+    {
+        $log = $service->get($log_file);
+
+        $levels = [];
+        foreach (Log::LEVELS as $level) {
+            $levels[strtolower($level)] = (object) [
+                'text' => Log::COLORS[$level],
+                'background' => Log::BACKGROUNDS[$level],
+            ];
+        }
+        return $view->render($response, 'logs.show', compact('log', 'levels'));
+    }
+}

app/common/Service/Logs.php

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+<?php
+namespace ProVM\Common\Service;
+
+use ProVM\Logview\Log\File;
+
+class Logs
+{
+    public function __construct(string $folder)
+    {
+        $this
+            ->setFolder($folder);
+    }
+
+    protected string $folder;
+
+    public function getFolder(): string
+    {
+        return $this->folder;
+    }
+
+    public function setFolder(string $folder): Logs
+    {
+        $this->folder = $folder;
+        return $this;
+    }
+
+    public function getFiles(): array
+    {
+        $files = new \FilesystemIterator($this->getFolder());
+        $output = [];
+        foreach ($files as $file) {
+            if ($file->isDir()) {
+                continue;
+            }
+            $output []= $file;
+        }
+        return $output;
+    }
+    public function get(string $log_file): File
+    {
+        $content = \Safe\file_get_contents(implode(DIRECTORY_SEPARATOR, [$this->getFolder(), $log_file]));
+        return (new File())->setFilename($log_file)->setContent($content);
+    }
+}