Book API: Added shelves list to show endpoint

For #6006
Added test to cover.

app/Entities/Controllers/BookApiController.php

@@ -7,11 +7,14 @@ use BookStack\Entities\Models\Book;
 use BookStack\Entities\Models\Chapter;
 use BookStack\Entities\Models\Entity;
 use BookStack\Entities\Queries\BookQueries;
+use BookStack\Entities\Queries\BookshelfQueries;
 use BookStack\Entities\Queries\PageQueries;
 use BookStack\Entities\Repos\BookRepo;
 use BookStack\Entities\Tools\BookContents;
 use BookStack\Http\ApiController;
 use BookStack\Permissions\Permission;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Database\Eloquent\Relations\BelongsToMany;
 use Illuminate\Http\Request;
 use Illuminate\Validation\ValidationException;
 
@@ -21,6 +24,7 @@ class BookApiController extends ApiController
         protected BookRepo $bookRepo,
         protected BookQueries $queries,
         protected PageQueries $pageQueries,
+        protected BookshelfQueries $shelfQueries,
     ) {
     }
 
@@ -60,13 +64,20 @@ class BookApiController extends ApiController
      * View the details of a single book.
      * The response data will contain a 'content' property listing the chapter and pages directly within, in
      * the same structure as you'd see within the BookStack interface when viewing a book. Top-level
-     * contents will have a 'type' property to distinguish between pages & chapters.
+     * contents will have a 'type' property to distinguish between pages and chapters.
      */
     public function read(string $id)
     {
         $book = $this->queries->findVisibleByIdOrFail(intval($id));
         $book = $this->forJsonDisplay($book);
-        $book->load(['createdBy', 'updatedBy', 'ownedBy']);
+        $book->load([
+            'createdBy',
+            'updatedBy',
+            'ownedBy',
+            'shelves' => function (BelongsToMany $query) {
+                $query->select(['id', 'name', 'slug'])->scopes('visible');
+            }
+        ]);
 
         $contents = (new BookContents($book))->getTree(true, false)->all();
         $contentsApiData = (new ApiEntityListFormatter($contents))

app/Entities/Models/Bookshelf.php

@@ -19,7 +19,7 @@ class Bookshelf extends Entity implements HasDescriptionInterface, HasCoverInter
 
     public float $searchFactor = 1.2;
 
-    protected $hidden = ['image_id', 'deleted_at', 'description_html', 'priority', 'default_template_id', 'sort_rule_id', 'entity_id', 'entity_type', 'chapter_id', 'book_id'];
+    protected $hidden = ['pivot', 'image_id', 'deleted_at', 'description_html', 'priority', 'default_template_id', 'sort_rule_id', 'entity_id', 'entity_type', 'chapter_id', 'book_id'];
     protected $fillable = ['name'];
 
     /**

tests/Api/BooksApiTest.php

@@ -188,6 +188,37 @@ class BooksApiTest extends TestCase
         $resp->assertJsonMissing(['name' => $customName]);
     }
 
+    public function test_read_endpoint_lists_visible_shelves_the_book_is_assigned_to()
+    {
+        $this->actingAsApiEditor();
+        $shelf = $this->entities->shelf();
+        $otherShelf = $this->entities->shelf();
+        $book = $this->entities->book();
+        $book->shelves()->detach();
+
+        $book->shelves()->attach($shelf);
+        $book->shelves()->attach($otherShelf);
+
+        $this->assertEquals(2, $book->shelves()->count());
+
+        $this->permissions->disableEntityInheritedPermissions($otherShelf);
+
+        $resp = $this->getJson("{$this->baseEndpoint}/{$book->id}");
+        $resp->assertOk();
+        $resp->assertJsonCount(1, 'shelves');
+        $resp->assertJson([
+            'shelves' => [
+                [
+                    'id' => $shelf->id,
+                    'name' => $shelf->name,
+                    'slug' => $shelf->slug,
+                ]
+            ]
+        ]);
+        $resp->assertJsonMissingPath('shelves.0.description');
+        $resp->assertJsonMissingPath('shelves.0.pivot');
+    }
+
     public function test_update_endpoint()
     {
         $this->actingAsApiEditor();