Add models, enums, and services for user roles, theme preferences, slug history, and ID generation

app/Models/Manufacturer.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace App\Models;
+
+use App\Traits\HasSlugHistory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+
+class Manufacturer extends Model
+{
+    use HasFactory, HasSlugHistory;
+
+    /**
+     * The attributes that are mass assignable.
+     *
+     * @var array<string>
+     */
+    protected $fillable = [
+        'name',
+        'slug',
+        'website',
+        'headquarters',
+        'description',
+        'total_rides',
+        'total_roller_coasters',
+    ];
+
+    /**
+     * Get the rides manufactured by this company.
+     * Note: This relationship will be properly set up when we implement the Rides system.
+     */
+    public function rides(): HasMany
+    {
+        return $this->hasMany(Ride::class);
+    }
+
+    /**
+     * Update ride statistics.
+     */
+    public function updateStatistics(): void
+    {
+        $this->total_rides = $this->rides()->count();
+        $this->total_roller_coasters = $this->rides()
+            ->where('type', 'roller_coaster')
+            ->count();
+        $this->save();
+    }
+
+    /**
+     * Get the manufacturer's name with total rides.
+     */
+    public function getDisplayNameAttribute(): string
+    {
+        return "{$this->name} ({$this->total_rides} rides)";
+    }
+
+    /**
+     * Get formatted website URL (ensures proper URL format).
+     */
+    public function getWebsiteUrlAttribute(): string
+    {
+        if (!$this->website) {
+            return '';
+        }
+
+        $website = $this->website;
+        if (!str_starts_with($website, 'http://') && !str_starts_with($website, 'https://')) {
+            $website = 'https://' . $website;
+        }
+
+        return $website;
+    }
+
+    /**
+     * Scope a query to only include major manufacturers (with multiple rides).
+     */
+    public function scopeMajorManufacturers($query, int $minRides = 5)
+    {
+        return $query->where('total_rides', '>=', $minRides);
+    }
+
+    /**
+     * Scope a query to only include coaster manufacturers.
+     */
+    public function scopeCoasterManufacturers($query)
+    {
+        return $query->where('total_roller_coasters', '>', 0);
+    }
+
+    /**
+     * Get the route key for the model.
+     */
+    public function getRouteKeyName(): string
+    {
+        return 'slug';
+    }
+}