Sistema de archivos multimedia: MediaManager, checkbox imágenes en mapa, modal visor, subida por feature/proyecto

app/Models/Feature.php

@@ -29,4 +29,14 @@ class Feature extends Model
     {
         return $this->hasMany(Inspection::class, 'feature_id');
     }
+
+    public function media()
+    {
+        return $this->morphMany(Media::class, 'mediable');
+    }
+
+    public function images()
+    {
+        return $this->morphMany(Media::class, 'mediable')->where('category', 'image');
+    }
 }

app/Models/Layer.php

@@ -33,4 +33,9 @@ class Layer extends Model
     {
         return $this->hasMany(Feature::class);
     }
+
+    public function media()
+    {
+        return $this->morphMany(Media::class, 'mediable');
+    }
 }

app/Models/Media.php

@@ -0,0 +1,74 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Support\Facades\Storage;
+
+class Media extends Model
+{
+    protected $table = 'media';
+
+    protected $fillable = [
+        'mediable_type', 'mediable_id',
+        'name', 'file_path', 'file_type', 'file_extension', 'file_size',
+        'category', 'description', 'metadata', 'uploaded_by',
+    ];
+
+    protected $casts = [
+        'metadata' => 'array',
+        'file_size' => 'integer',
+    ];
+
+    // Relación polimórfica: pertenece a Project, Phase, Layer o Feature
+    public function mediable()
+    {
+        return $this->morphTo();
+    }
+
+    public function uploader()
+    {
+        return $this->belongsTo(User::class, 'uploaded_by');
+    }
+
+    // Helper: URL pública del archivo
+    public function getUrlAttribute()
+    {
+        return Storage::url($this->file_path);
+    }
+
+    // Helper: si es imagen
+    public function getIsImageAttribute()
+    {
+        return str_starts_with($this->file_type, 'image/');
+    }
+
+    // Helper: tamaño formateado
+    public function getFormattedSizeAttribute()
+    {
+        $bytes = $this->file_size;
+        if ($bytes >= 1073741824) return round($bytes / 1073741824, 2) . ' GB';
+        if ($bytes >= 1048576) return round($bytes / 1048576, 1) . ' MB';
+        if ($bytes >= 1024) return round($bytes / 1024) . ' KB';
+        return $bytes . ' B';
+    }
+
+    // Scopes
+    public function scopeImages($query)
+    {
+        return $query->where('category', 'image');
+    }
+
+    public function scopeDocuments($query)
+    {
+        return $query->where('category', 'document');
+    }
+
+    // Boot: borrar archivo físico al eliminar registro
+    protected static function booted()
+    {
+        static::deleting(function ($media) {
+            Storage::delete($media->file_path);
+        });
+    }
+}

app/Models/Phase.php

@@ -38,4 +38,14 @@ class Phase extends Model
     {
         return $this->hasManyThrough(Feature::class, Layer::class);
     }
+
+    public function media()
+    {
+        return $this->morphMany(Media::class, 'mediable');
+    }
+
+    public function images()
+    {
+        return $this->morphMany(Media::class, 'mediable')->where('category', 'image');
+    }
 }

app/Models/Project.php

@@ -39,6 +39,16 @@ class Project extends Model
         return $this->belongsTo(User::class, 'created_by');
     }
 
+    public function media()
+    {
+        return $this->morphMany(Media::class, 'mediable');
+    }
+
+    public function images()
+    {
+        return $this->morphMany(Media::class, 'mediable')->where('category', 'image');
+    }
+
     // Scope to filter accessible projects for non-admin users
     public function scopeAccessibleBy($query, User $user)
     {