added foldering apis

app/Models/Folder.php

@@ -16,6 +16,21 @@ class Folder extends Model
 
     public function arts()
     {
-        return $this->belongsToMany(Art::class, 'folder_art');
+        return $this->belongsToMany(Art::class, 'folder_art')->withTimestamps();
+    }
+
+    public function bylaws()
+    {
+        return $this->belongsToMany(BylawDocument::class, 'folder_bylaw', 'folder_id', 'bylaw_document_id')->withTimestamps();
+    }
+
+    public function judicialPrecedents()
+    {
+        return $this->belongsToMany(JudicialPrecedent::class, 'folder_judicial_precedent', 'folder_id', 'judicial_precedent_id')->withTimestamps();
+    }
+
+    public function legalOpinions()
+    {
+        return $this->belongsToMany(LegalOpinion::class, 'folder_legal_opinion', 'folder_id', 'legal_opinion_id')->withTimestamps();
     }
 }

app/Models/FolderBylaw.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class FolderBylaw extends Model
+{
+    use HasFactory;
+    protected $table = 'folder_bylaw';
+    protected $fillable = ['folder_id', 'bylaw_document_id'];
+}

app/Models/FolderJudicialPrecedent.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class FolderJudicialPrecedent extends Model
+{
+    use HasFactory;
+    protected $table = 'folder_judicial_precedent';
+    protected $fillable = ['folder_id', 'judicial_precedent_id'];
+}

app/Models/FolderLegalOpinion.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Models;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+
+class FolderLegalOpinion extends Model
+{
+    use HasFactory;
+    protected $table = 'folder_legal_opinion';
+    protected $fillable = ['folder_id', 'legal_opinion_id'];
+}