From 8892b11dc7c5e623cc18db6dd9372cd36946f477 Mon Sep 17 00:00:00 2001
From: Philipp Lang <privat@zoomyboy.de>
Date: Thu, 27 Oct 2022 16:54:24 +0200
Subject: [PATCH] --wip-- [skip ci]

---
 config/tex.php             | 10 ++++++++++
 src/Compiler.php           | 16 ++++++++++------
 src/CompilerException.php  |  9 +++++++++
 src/Document.php           | 10 ++++++----
 src/Engine.php             | 23 +++++++++++++++++++++++
 src/Template.php           | 30 ++++++++++++++++++++++++++++++
 src/TexServiceProvider.php |  4 +++-
 7 files changed, 91 insertions(+), 11 deletions(-)
 create mode 100644 config/tex.php
 create mode 100644 src/CompilerException.php
 create mode 100644 src/Engine.php
 create mode 100644 src/Template.php

diff --git a/config/tex.php b/config/tex.php
new file mode 100644
index 0000000..37084c5
--- /dev/null
+++ b/config/tex.php
@@ -0,0 +1,10 @@
+<?php
+
+return [
+    'pdflatex' => [
+        'binary' => env('PDFLATEX_BIN', ''),
+    ],
+    'xelatex' => [
+        'binary' => env('XELATEX_BIN', ''),
+    ],
+];
diff --git a/src/Compiler.php b/src/Compiler.php
index b92f6e4..01afcab 100644
--- a/src/Compiler.php
+++ b/src/Compiler.php
@@ -15,20 +15,24 @@ class Compiler implements Responsable
         $filename = $document->filename();
         $dir = Str::random(32);
 
-        $contents = view()->make($document->view(), get_object_vars($document))->render();
+        $contents = $document->renderBody();
 
         mkdir('/tmp/'.$dir);
         file_put_contents('/tmp/'.$dir.'/'.$document->filename().'.tex', $contents);
 
         if ($document->template()) {
-            $templatePath = resource_path("views/tex/templates/{$document->template()}");
-            exec('cp '.$templatePath.'/* /tmp/'.$dir);
+            $templatePath = $document->template()->fullPath();
+            exec('rsync -av '.escapeshellarg($templatePath).'/ /tmp/'.escapeshellarg($dir));
         }
 
-        $command = 'cd /tmp/'.$dir;
-        $command .= ' && '.$document->getEngine().' --halt-on-error '.$document->filename().'.tex';
-        $command .= ' && '.$document->getEngine().' --halt-on-error '.$document->filename().'.tex';
+        $command = collect([
+            'cd /tmp/'.escapeshellarg($dir),
+            $document->getEngine()->binary().' --halt-on-error '.$document->filename().'.tex',
+            $document->getEngine()->binary().' --halt-on-error '.$document->filename().'.tex',
+        ])->implode(' && ');
+
         exec($command, $output, $returnVar);
+        dd($output);
 
         if (file_exists('/tmp/'.$dir.'/'.$document->filename().'.pdf')) {
             $this->file = new File('/tmp/'.$dir.'/'.$document->filename().'.pdf');
diff --git a/src/CompilerException.php b/src/CompilerException.php
new file mode 100644
index 0000000..897e4d7
--- /dev/null
+++ b/src/CompilerException.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Zoomyboy\Tex;
+
+use Exception;
+
+class CompilerException extends Exception
+{
+}
diff --git a/src/Document.php b/src/Document.php
index c2f4119..3469aeb 100644
--- a/src/Document.php
+++ b/src/Document.php
@@ -10,9 +10,9 @@ abstract class Document
 
     abstract public function view(): string;
 
-    abstract public function template(): ?string;
+    abstract public function template(): ?Template;
 
-    abstract public function getEngine(): string;
+    abstract public function getEngine(): Engine;
 
     public function assertHasContent(string $content): void
     {
@@ -22,8 +22,10 @@ abstract class Document
         );
     }
 
-    protected function renderBody(): string
+    public function renderBody(): string
     {
-        return 'gggggMax';
+        return view()
+            ->make($this->view(), get_object_vars($this))
+            ->render();
     }
 }
diff --git a/src/Engine.php b/src/Engine.php
new file mode 100644
index 0000000..18603c9
--- /dev/null
+++ b/src/Engine.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Zoomyboy\Tex;
+
+enum Engine: string
+{
+    case PDFLATEX = 'pdflatex';
+    case XELATEX = 'xelatex';
+
+    public function binary(): string
+    {
+        $configPath = 'tex.'.$this->value.'.binary';
+        $binary = config($configPath);
+
+        throw_if(
+            !$binary,
+            CompilerException::class,
+            'Binary for engine '.$this->value.' not found. Please specify a binary file via the config '.$configPath.'.',
+        );
+
+        return config('tex.'.$this->value.'.binary');
+    }
+}
diff --git a/src/Template.php b/src/Template.php
new file mode 100644
index 0000000..8adf1d9
--- /dev/null
+++ b/src/Template.php
@@ -0,0 +1,30 @@
+<?php
+
+namespace Zoomyboy\Tex;
+
+final class Template
+{
+    private function __construct(private string $resourcePath)
+    {
+        throw_unless(
+            $this->exists(),
+            CompilerException::class,
+            'Path for template '.$this->resourcePath.' not found. Please make sure the template directory '.$this->fullPath().' exists'
+        );
+    }
+
+    public static function make(string $resourcePath): self
+    {
+        return new static($resourcePath);
+    }
+
+    public function fullPath(): string
+    {
+        return resource_path('views/'.str_replace('.', '/', $this->resourcePath));
+    }
+
+    public function exists(): bool
+    {
+        return is_dir($this->fullPath());
+    }
+}
diff --git a/src/TexServiceProvider.php b/src/TexServiceProvider.php
index 9efc33e..54375e0 100644
--- a/src/TexServiceProvider.php
+++ b/src/TexServiceProvider.php
@@ -15,12 +15,14 @@ class TexServiceProvider extends ServiceProvider
     public function register()
     {
         view()->addExtension('tex', 'tex', function () {
-            $compiler = new TexCompiler(app('files'), config('view.compiled'));
+            $compiler = new BladeCompiler(app('files'), config('view.compiled'));
 
             return new CompilerEngine($compiler, app('files'));
         });
 
         app()->bind('tex.compiler', Compiler::class);
+
+        $this->mergeConfigFrom(__DIR__.'/../config/tex.php', 'tex');
     }
 
     /**