adding Projects feature (#85)

app/Models/Project.php

@@ -0,0 +1,56 @@
+<?php
+
+namespace App\Models;
+
+use Carbon\Carbon;
+use Illuminate\Database\Eloquent\Collection;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+/**
+ * @property int $id
+ * @property int $user_id
+ * @property string $name
+ * @property Carbon $created_at
+ * @property Carbon $updated_at
+ * @property User $user
+ * @property Collection<Server> $servers
+ * @property Collection<NotificationChannel> $notificationChannels
+ */
+class Project extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'user_id',
+        'name',
+    ];
+
+    public static function boot(): void
+    {
+        parent::boot();
+
+        static::deleting(function (Project $project) {
+            $project->servers()->each(function (Server $server) {
+                $server->delete();
+            });
+        });
+    }
+
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    public function servers(): HasMany
+    {
+        return $this->hasMany(Server::class);
+    }
+
+    public function notificationChannels(): HasMany
+    {
+        return $this->hasMany(NotificationChannel::class);
+    }
+}