add models, setup livewire, setup mongodb

app/Models/Post.php

@@ -0,0 +1,109 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Support\Facades\File;
+use Illuminate\Support\Facades\Storage;
+use MongoDB\Laravel\Eloquent\Model;
+use MongoDB\Laravel\Relations\BelongsTo;
+use MongoDB\Laravel\Relations\BelongsToMany;
+use Symfony\Component\HttpFoundation\StreamedResponse;
+
+class Post extends Model
+{
+    protected $fillable = [ 'rating', 'extension', 'featured' ];
+
+	public function user(): BelongsTo
+	{
+		return $this->belongsTo(User::class);
+	}
+
+	public function tags(): BelongsToMany
+	{
+		return $this->belongsToMany(Tag::class);
+	}
+
+	protected function toBase64(string $path): string
+	{
+		$ext = $this->extension;
+		$file = Storage::get($path);
+		$data = base64_encode($file);
+		return "data:image/$ext;base64,$data";
+	}
+
+	public function getThumbUrl(): ?string
+	{
+		if (Storage::has("posts/$this->id/thumb"))
+		{
+			return $this->toBase64("posts/$this->id/thumb");
+		}
+		return $this->getPreviewUrl();
+	}
+
+	public function getPreviewUrl(): ?string
+	{
+		if (Storage::has("posts/$this->id/preview"))
+		{
+			return $this->toBase64("posts/$this->id/preview");
+		}
+		return $this->getFullUrl();
+	}
+
+	public function getFullUrl(): ?string
+	{
+		if (Storage::has("posts/$this->id/full"))
+		{
+			return $this->toBase64("posts/$this->id/full");
+		}
+		abort(404);
+	}
+
+	public function getMimeType(): ?string
+	{
+		return Storage::mimeType("posts/$this->id/full");
+	}
+
+	public function getDimensions(): false|array
+	{
+		return getimagesize($this->getFullUrl());
+	}
+
+	public function getAspectRatio(): string
+	{
+		list($width, $height) = $this->getDimensions();
+		$divisor = gmp_intval(gmp_gcd($width, $height));
+		$w = $width / $divisor;
+		$h = $height / $divisor;
+		return "aspect-ratio: $w/$h;";
+	}
+
+	public function download(): StreamedResponse
+	{
+		return Storage::download("posts/$this->id/full");
+	}
+
+	public function getNextPost(): ?Post
+	{
+		return Post::where('created_at', '>', $this->created_at)
+			->orderBy('created_at', 'asc')
+			->first();
+	}
+
+	public function getPreviousPost(): ?Post
+	{
+		return Post::where('created_at', '<', $this->created_at)
+			->orderBy('created_at', 'desc')
+			->first();
+	}
+
+	public function getRatingColor(): string
+	{
+		return match ($this->rating)
+		{
+			'safe'			=> 'success',
+			'suggestive'	=> 'warning',
+			'explicit'		=> 'danger',
+			default 		=> 'default',
+		};
+	}
+}