first commit

app/Models/Attraction.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Attraction extends Model
+{
+    use HasFactory;
+    protected $fillable = [
+        'city_id',
+        'name',
+        'description',
+        'latitude',
+        'longitude',
+        'category',
+        'source',
+        'source_id',
+        'rating',
+        'image_url',
+        'cached_at',
+    ];
+
+    protected $casts = [
+        'latitude' => 'decimal:7',
+        'longitude' => 'decimal:7',
+        'rating' => 'decimal:2',
+        'cached_at' => 'datetime',
+    ];
+
+    /**
+     * Get the city that owns this attraction
+     */
+    public function city(): BelongsTo
+    {
+        return $this->belongsTo(City::class);
+    }
+}

app/Models/City.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Support\Str;
+
+class City extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'slug',
+        'country',
+        'latitude',
+        'longitude',
+        'wikipedia_summary',
+        'wikipedia_url',
+        'thumbnail_url',
+        'image_url',
+        'wikipedia_page_id',
+        'wikipedia_cached_at',
+    ];
+
+    protected $casts = [
+        'latitude' => 'decimal:7',
+        'longitude' => 'decimal:7',
+        'wikipedia_cached_at' => 'datetime',
+    ];
+
+    /**
+     * Get the route key for the model.
+     */
+    public function getRouteKeyName(): string
+    {
+        return 'slug';
+    }
+
+    /**
+     * Boot the model and set up event listeners
+     */
+    protected static function boot()
+    {
+        parent::boot();
+
+        static::creating(function ($city) {
+            if (empty($city->slug)) {
+                $city->slug = static::generateUniqueSlug($city->name);
+            }
+        });
+
+        static::updating(function ($city) {
+            if ($city->isDirty('name') && empty($city->slug)) {
+                $city->slug = static::generateUniqueSlug($city->name);
+            }
+        });
+    }
+
+    /**
+     * Generate a unique slug from city name
+     */
+    protected static function generateUniqueSlug(string $name): string
+    {
+        $slug = Str::slug($name);
+        $originalSlug = $slug;
+        $count = 1;
+
+        while (static::where('slug', $slug)->exists()) {
+            $slug = $originalSlug . '-' . $count;
+            $count++;
+        }
+
+        return $slug;
+    }
+
+    /**
+     * Get all attractions for this city
+     */
+    public function attractions(): HasMany
+    {
+        return $this->hasMany(Attraction::class);
+    }
+
+    /**
+     * Get all trips that include this city
+     */
+    public function trips(): BelongsToMany
+    {
+        return $this->belongsToMany(Trip::class, 'city_trip')
+            ->withPivot('order')
+            ->withTimestamps()
+            ->orderByPivot('order');
+    }
+
+    /**
+     * Get users who favorited this city
+     */
+    public function favoritedBy(): BelongsToMany
+    {
+        return $this->belongsToMany(User::class, 'favorites')
+            ->withTimestamps();
+    }
+}

app/Models/Favorite.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+
+class Favorite extends Model
+{
+    protected $fillable = [
+        'user_id',
+        'city_id',
+    ];
+
+    /**
+     * Get the user that owns this favorite
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * Get the city that was favorited
+     */
+    public function city(): BelongsTo
+    {
+        return $this->belongsTo(City::class);
+    }
+}

app/Models/Trip.php

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+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+
+class Trip extends Model
+{
+    protected $fillable = [
+        'user_id',
+        'name',
+        'description',
+    ];
+
+    /**
+     * Get the user that owns this trip
+     */
+    public function user(): BelongsTo
+    {
+        return $this->belongsTo(User::class);
+    }
+
+    /**
+     * Get all cities in this trip
+     */
+    public function cities(): BelongsToMany
+    {
+        return $this->belongsToMany(City::class, 'city_trip')
+            ->withPivot('order')
+            ->withTimestamps()
+            ->orderByPivot('order');
+    }
+}

app/Models/User.php

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+<?php
+
+namespace App\Models;
+
+// use Illuminate\Contracts\Auth\MustVerifyEmail;
+use Database\Factories\UserFactory;
+use Illuminate\Database\Eloquent\Attributes\Fillable;
+use Illuminate\Database\Eloquent\Attributes\Hidden;
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Foundation\Auth\User as Authenticatable;
+use Illuminate\Notifications\Notifiable;
+use Laravel\Sanctum\HasApiTokens;
+
+#[Fillable(['name', 'email', 'password'])]
+#[Hidden(['password', 'remember_token'])]
+class User extends Authenticatable
+{
+    /** @use HasFactory<UserFactory> */
+    use HasFactory, Notifiable, HasApiTokens;
+
+    /**
+     * Get the attributes that should be cast.
+     *
+     * @return array<string, string>
+     */
+    protected function casts(): array
+    {
+        return [
+            'email_verified_at' => 'datetime',
+            'password' => 'hashed',
+        ];
+    }
+
+    /**
+     * Get all favorites for this user
+     */
+    public function favorites(): HasMany
+    {
+        return $this->hasMany(Favorite::class);
+    }
+
+    /**
+     * Get all favorite cities for this user
+     */
+    public function favoriteCities(): BelongsToMany
+    {
+        return $this->belongsToMany(City::class, 'favorites')
+            ->withTimestamps();
+    }
+
+    /**
+     * Get all trips for this user
+     */
+    public function trips(): HasMany
+    {
+        return $this->hasMany(Trip::class);
+    }
+}