library items parent_id

app/Http/Livewire/Library/LibraryTable.php

@@ -26,6 +26,7 @@ class LibraryTable extends Component
         }
 
         $libraries = \App\Models\Library::query()
+                                        ->whereNull('parent_id')
                                         ->where('is_public', $shouldBePublic)
                                         ->get();
         $tabs = collect([

app/Http/Livewire/Tables/LibraryItemTable.php

@@ -153,8 +153,14 @@ class LibraryItemTable extends DataTableComponent
     public function builder(): Builder
     {
         $shouldBePublic = request()
-                              ->route()
-                              ->getName() !== 'library.table.lecturer';
+                              ?->route()
+                              ?->getName() !== 'library.table.lecturer';
+
+        if ($this->currentTab !== '*') {
+            $parentLibrary = Library::query()
+                                    ->where('name', $this->currentTab)
+                                    ->first();
+        }
 
         return LibraryItem::query()
                           ->with([
@@ -162,8 +168,16 @@ class LibraryItemTable extends DataTableComponent
                               'tags',
                           ])
                           ->whereHas('libraries', fn($query) => $query->where('libraries.is_public', $shouldBePublic))
-                          ->when($this->currentTab !== '*', fn($query) => $query->whereHas('libraries',
-                              fn($query) => $query->where('libraries.name', $this->currentTab)))
+                          ->when($this->currentTab !== '*', fn($query) => $query
+                              ->whereHas('libraries',
+                                  fn($query) => $query
+                                      ->where('libraries.name', $this->currentTab)
+                              )
+                              ->orWhereHas('libraries',
+                                  fn($query) => $query
+                                      ->where('libraries.parent_id', $parentLibrary->id)
+                              )
+                          )
                           ->withCount([
                               'lecturer',
                           ])

app/Models/Library.php

@@ -6,6 +6,7 @@ use Illuminate\Database\Eloquent\Factories\HasFactory;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\BelongsToMany;
+use Illuminate\Database\Eloquent\Relations\HasMany;
 
 class Library extends Model
 {
@@ -44,4 +45,9 @@ class Library extends Model
     {
         return $this->belongsToMany(LibraryItem::class);
     }
+
+    public function parent() : BelongsTo
+    {
+        return $this->belongsTo(__CLASS__, 'parent_id');
+    }
 }

app/Nova/Library.php

@@ -26,12 +26,6 @@ class Library extends Resource
      * @var string
      */
     public static $title = 'name';
-
-    public static function label()
-    {
-        return __('Library');
-    }
-
     /**
      * The columns that should be searched.
      * @var array
@@ -41,6 +35,15 @@ class Library extends Resource
         'name',
     ];
 
+    public static $with = [
+        'createdBy',
+    ];
+
+    public static function label()
+    {
+        return __('Library');
+    }
+
     public static function afterCreate(NovaRequest $request, Model $model)
     {
         \App\Models\User::find(1)
@@ -68,6 +71,10 @@ class Library extends Resource
             ID::make()
               ->sortable(),
 
+            BelongsTo::make(__('Parent'), 'parent', __CLASS__)
+                     ->searchable()
+                     ->nullable(),
+
             Text::make('Name')
                 ->rules('required', 'string'),
 
@@ -86,7 +93,8 @@ class Library extends Resource
                          return $request->user()
                                         ->hasRole('super-admin');
                      })
-                     ->searchable()->withSubtitles(),
+                     ->searchable()
+                     ->withSubtitles(),
 
         ];
     }

app/Nova/LibraryItem.php

@@ -42,6 +42,11 @@ class LibraryItem extends Resource
         'name',
     ];
 
+    public static $with = [
+        'lecturer',
+        'tags',
+    ];
+
     public static function label()
     {
         return __('Library Item');

app/Providers/AppServiceProvider.php

@@ -30,7 +30,7 @@ class AppServiceProvider extends ServiceProvider
      */
     public function boot()
     {
-        //Model::preventLazyLoading();
+        Model::preventLazyLoading(app()->environment('local'));
 
         Stringable::macro('initials', function () {
             $words = preg_split("/\s+/", $this);

database/migrations/2023_01_19_133503_add_parent_id_field_to_libraries_table.php

@@ -0,0 +1,31 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+return new class extends Migration {
+    /**
+     * Run the migrations.
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('libraries', function (Blueprint $table) {
+            $table->unsignedBigInteger('parent_id')
+                  ->nullable()
+                  ->after('id');
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('libraries', function (Blueprint $table) {
+            //
+        });
+    }
+};