Continued: Default book templates

app/Entities/Controllers/BookApiController.php

@@ -14,11 +14,9 @@
 
 class BookApiController extends ApiController
 {
-    protected BookRepo $bookRepo;
-
-    public function __construct(BookRepo $bookRepo)
-    {
-        $this->bookRepo = $bookRepo;
+    public function __construct(
+        protected BookRepo $bookRepo
+    ) {
     }
 
     /**
@@ -58,7 +56,9 @@ public function create(Request $request)
      */
     public function read(string $id)
     {
-        $book = Book::visible()->with(['tags', 'cover', 'createdBy', 'updatedBy', 'ownedBy'])->findOrFail($id);
+        $book = Book::visible()
+            ->with(['tags', 'cover', 'createdBy', 'updatedBy', 'ownedBy'])
+            ->findOrFail($id);
 
         $contents = (new BookContents($book))->getTree(true, false)->all();
         $contentsApiData = (new ApiEntityListFormatter($contents))
@@ -116,12 +116,14 @@ protected function rules(): array
                 'description' => ['string', 'max:1000'],
                 'tags'        => ['array'],
                 'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+                'default_template_id' => ['nullable', 'integer'],
             ],
             'update' => [
                 'name'        => ['string', 'min:1', 'max:255'],
                 'description' => ['string', 'max:1000'],
                 'tags'        => ['array'],
                 'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
+                'default_template_id' => ['nullable', 'integer'],
             ],
         ];
     }

app/Entities/Controllers/BookController.php

@@ -24,15 +24,11 @@
 
 class BookController extends Controller
 {
-    protected BookRepo $bookRepo;
-    protected ShelfContext $shelfContext;
-    protected ReferenceFetcher $referenceFetcher;
-
-    public function __construct(ShelfContext $entityContextManager, BookRepo $bookRepo, ReferenceFetcher $referenceFetcher)
-    {
-        $this->bookRepo = $bookRepo;
-        $this->shelfContext = $entityContextManager;
-        $this->referenceFetcher = $referenceFetcher;
+    public function __construct(
+        protected ShelfContext $shelfContext,
+        protected BookRepo $bookRepo,
+        protected ReferenceFetcher $referenceFetcher
+    ) {
     }
 
     /**
@@ -96,10 +92,11 @@ public function store(Request $request, string $shelfSlug = null)
     {
         $this->checkPermission('book-create-all');
         $validated = $this->validate($request, [
-            'name'        => ['required', 'string', 'max:255'],
-            'description' => ['string', 'max:1000'],
-            'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
-            'tags'        => ['array'],
+            'name'                => ['required', 'string', 'max:255'],
+            'description'         => ['string', 'max:1000'],
+            'image'               => array_merge(['nullable'], $this->getImageValidationRules()),
+            'tags'                => ['array'],
+            'default_template_id' => ['nullable', 'integer'],
         ]);
 
         $bookshelf = null;
@@ -170,10 +167,11 @@ public function update(Request $request, string $slug)
         $this->checkOwnablePermission('book-update', $book);
 
         $validated = $this->validate($request, [
-            'name'        => ['required', 'string', 'max:255'],
-            'description' => ['string', 'max:1000'],
-            'image'       => array_merge(['nullable'], $this->getImageValidationRules()),
-            'tags'        => ['array'],
+            'name'                => ['required', 'string', 'max:255'],
+            'description'         => ['string', 'max:1000'],
+            'image'               => array_merge(['nullable'], $this->getImageValidationRules()),
+            'tags'                => ['array'],
+            'default_template_id' => ['nullable', 'integer'],
         ]);
 
         if ($request->has('image_reset')) {

app/Entities/Controllers/PageController.php

@@ -5,6 +5,7 @@
 use BookStack\Activity\Models\View;
 use BookStack\Activity\Tools\CommentTree;
 use BookStack\Activity\Tools\UserEntityWatchOptions;
+use BookStack\Entities\Models\Book;
 use BookStack\Entities\Models\Page;
 use BookStack\Entities\Repos\PageRepo;
 use BookStack\Entities\Tools\BookContents;
@@ -71,7 +72,6 @@ public function createAsGuest(Request $request, string $bookSlug, string $chapte
         $page = $this->pageRepo->getNewDraftPage($parent);
         $this->pageRepo->publishDraft($page, [
             'name' => $request->get('name'),
-            'html' => '',
         ]);
 
         return redirect($page->getUrl('/edit'));
@@ -259,11 +259,13 @@ public function showDelete(string $bookSlug, string $pageSlug)
         $page = $this->pageRepo->getBySlug($bookSlug, $pageSlug);
         $this->checkOwnablePermission('page-delete', $page);
         $this->setPageTitle(trans('entities.pages_delete_named', ['pageName' => $page->getShortName()]));
+        $usedAsTemplate = Book::query()->where('default_template_id', '=', $page->id)->count() > 0;
 
         return view('pages.delete', [
             'book'    => $page->book,
             'page'    => $page,
             'current' => $page,
+            'usedAsTemplate' => $usedAsTemplate,
         ]);
     }
 
@@ -277,11 +279,13 @@ public function showDeleteDraft(string $bookSlug, int $pageId)
         $page = $this->pageRepo->getById($pageId);
         $this->checkOwnablePermission('page-update', $page);
         $this->setPageTitle(trans('entities.pages_delete_draft_named', ['pageName' => $page->getShortName()]));
+        $usedAsTemplate = Book::query()->where('default_template_id', '=', $page->id)->count() > 0;
 
         return view('pages.delete', [
             'book'    => $page->book,
             'page'    => $page,
             'current' => $page,
+            'usedAsTemplate' => $usedAsTemplate,
         ]);
     }
 

app/Entities/Models/Book.php

@@ -15,11 +15,13 @@
  *
  * @property string                                   $description
  * @property int                                      $image_id
+ * @property ?int                                     $default_template_id
  * @property Image|null                               $cover
  * @property \Illuminate\Database\Eloquent\Collection $chapters
  * @property \Illuminate\Database\Eloquent\Collection $pages
  * @property \Illuminate\Database\Eloquent\Collection $directPages
  * @property \Illuminate\Database\Eloquent\Collection $shelves
+ * @property ?Page                                    $defaultTemplate
  */
 class Book extends Entity implements HasCoverImage
 {
@@ -71,6 +73,14 @@ public function coverImageTypeKey(): string
         return 'cover_book';
     }
 
+    /**
+     * Get the Page that is used as default template for newly created pages within this Book.
+     */
+    public function defaultTemplate(): BelongsTo
+    {
+        return $this->belongsTo(Page::class, 'default_template_id');
+    }
+
     /**
      * Get all pages within this book.
      */

app/Entities/Repos/BookRepo.php

@@ -5,6 +5,7 @@
 use BookStack\Activity\ActivityType;
 use BookStack\Activity\TagRepo;
 use BookStack\Entities\Models\Book;
+use BookStack\Entities\Models\Page;
 use BookStack\Entities\Tools\TrashCan;
 use BookStack\Exceptions\ImageUploadException;
 use BookStack\Exceptions\NotFoundException;
@@ -17,18 +18,11 @@
 
 class BookRepo
 {
-    protected $baseRepo;
-    protected $tagRepo;
-    protected $imageRepo;
-
-    /**
-     * BookRepo constructor.
-     */
-    public function __construct(BaseRepo $baseRepo, TagRepo $tagRepo, ImageRepo $imageRepo)
-    {
-        $this->baseRepo = $baseRepo;
-        $this->tagRepo = $tagRepo;
-        $this->imageRepo = $imageRepo;
+    public function __construct(
+        protected BaseRepo $baseRepo,
+        protected TagRepo $tagRepo,
+        protected ImageRepo $imageRepo
+    ) {
     }
 
     /**
@@ -92,6 +86,7 @@ public function create(array $input): Book
         $book = new Book();
         $this->baseRepo->create($book, $input);
         $this->baseRepo->updateCoverImage($book, $input['image'] ?? null);
+        $this->updateBookDefaultTemplate($book, intval($input['default_template_id'] ?? null));
         Activity::add(ActivityType::BOOK_CREATE, $book);
 
         return $book;
@@ -104,6 +99,10 @@ public function update(Book $book, array $input): Book
     {
         $this->baseRepo->update($book, $input);
 
+        if (array_key_exists('default_template_id', $input)) {
+            $this->updateBookDefaultTemplate($book, intval($input['default_template_id']));
+        }
+
         if (array_key_exists('image', $input)) {
             $this->baseRepo->updateCoverImage($book, $input['image'], $input['image'] === null);
         }
@@ -113,6 +112,33 @@ public function update(Book $book, array $input): Book
         return $book;
     }
 
+    /**
+     * Update the default page template used for this book.
+     * Checks that, if changing, the provided value is a valid template and the user
+     * has visibility of the provided page template id.
+     */
+    protected function updateBookDefaultTemplate(Book $book, int $templateId): void
+    {
+        $changing = $templateId !== intval($book->default_template_id);
+        if (!$changing) {
+            return;
+        }
+
+        if ($templateId === 0) {
+            $book->default_template_id = null;
+            $book->save();
+            return;
+        }
+
+        $templateExists = Page::query()->visible()
+            ->where('template', '=', true)
+            ->where('id', '=', $templateId)
+            ->exists();
+
+        $book->default_template_id = $templateExists ? $templateId : null;
+        $book->save();
+    }
+
     /**
      * Update the given book's cover image, or clear it.
      *

app/Entities/Repos/PageRepo.php

@@ -136,6 +136,14 @@ public function getNewDraftPage(Entity $parent)
             $page->book_id = $parent->id;
         }
 
+        $defaultTemplate = $page->book->defaultTemplate;
+        if ($defaultTemplate && userCan('view', $defaultTemplate)) {
+            $page->forceFill([
+                'html'  => $defaultTemplate->html,
+                'markdown' => $defaultTemplate->markdown,
+            ]);
+        }
+
         $page->save();
         $page->refresh()->rebuildPermissions();
 

app/Entities/Tools/TrashCan.php

@@ -202,6 +202,10 @@ protected function destroyPage(Page $page): int
             $attachmentService->deleteFile($attachment);
         }
 
+        // Remove book template usages
+        Book::query()->where('default_template_id', '=', $page->id)
+            ->update(['default_template_id' => null]);
+
         $page->forceDelete();
 
         return 1;

app/Search/SearchController.php

@@ -2,6 +2,7 @@
 
 namespace BookStack\Search;
 
+use BookStack\Entities\Models\Page;
 use BookStack\Entities\Queries\Popular;
 use BookStack\Entities\Tools\SiblingFetcher;
 use BookStack\Http\Controller;
@@ -82,6 +83,32 @@ public function searchForSelector(Request $request)
         return view('search.parts.entity-selector-list', ['entities' => $entities, 'permission' => $permission]);
     }
 
+    /**
+     * Search for a list of templates to choose from.
+     */
+    public function templatesForSelector(Request $request)
+    {
+        $searchTerm = $request->get('term', false);
+
+        if ($searchTerm !== false) {
+            $searchOptions = SearchOptions::fromString($searchTerm);
+            $searchOptions->setFilter('is_template');
+            $entities = $this->searchRunner->searchEntities($searchOptions, 'page', 1, 20)['results'];
+        } else {
+            $entities = Page::visible()
+                ->where('template', '=', true)
+                ->where('draft', '=', false)
+                ->orderBy('updated_at', 'desc')
+                ->take(20)
+                ->get(Page::$listAttributes);
+        }
+
+        return view('search.parts.entity-selector-list', [
+            'entities' => $entities,
+            'permission' => 'view'
+        ]);
+    }
+
     /**
      * Search for a list of entities and return a partial HTML response of matching entities
      * to be used as a result preview suggestion list for global system searches.

app/Search/SearchOptions.php

@@ -170,6 +170,14 @@ protected static function parseStandardTermString(string $termString): array
         return $parsed;
     }
 
+    /**
+     * Set the value of a specific filter in the search options.
+     */
+    public function setFilter(string $filterName, string $filterValue = ''): void
+    {
+        $this->filters[$filterName] = $filterValue;
+    }
+
     /**
      * Encode this instance to a search string.
      */

app/Search/SearchRunner.php

@@ -58,7 +58,7 @@ public function searchEntities(SearchOptions $searchOpts, string $entityType = '
         $entityTypesToSearch = $entityTypes;
 
         if ($entityType !== 'all') {
-            $entityTypesToSearch = $entityType;
+            $entityTypesToSearch = [$entityType];
         } elseif (isset($searchOpts->filters['type'])) {
             $entityTypesToSearch = explode('|', $searchOpts->filters['type']);
         }
@@ -469,6 +469,13 @@ protected function filterNotViewedByMe(EloquentBuilder $query, Entity $model, $i
         });
     }
 
+    protected function filterIsTemplate(EloquentBuilder $query, Entity $model, $input)
+    {
+        if ($model instanceof Page) {
+            $query->where('template', '=', true);
+        }
+    }
+
     protected function filterSortBy(EloquentBuilder $query, Entity $model, $input)
     {
         $functionName = Str::camel('sort_by_' . $input);

database/migrations/2023_12_02_104541_add_default_template_to_books.php

@@ -0,0 +1,32 @@
+<?php
+
+use Illuminate\Database\Migrations\Migration;
+use Illuminate\Database\Schema\Blueprint;
+use Illuminate\Support\Facades\Schema;
+
+class AddDefaultTemplateToBooks extends Migration
+{
+    /**
+     * Run the migrations.
+     *
+     * @return void
+     */
+    public function up()
+    {
+        Schema::table('books', function (Blueprint $table) {
+            $table->integer('default_template_id')->nullable()->default(null);
+        });
+    }
+
+    /**
+     * Reverse the migrations.
+     *
+     * @return void
+     */
+    public function down()
+    {
+        Schema::table('books', function (Blueprint $table) {
+            $table->dropColumn('default_template_id');
+        });
+    }
+}