<?php

namespace BookStack\Http\Controllers;

use Activity;

use BookStack\Entities\Models\Book;

use BookStack\Entities\Models\Page;

use BookStack\Entities\Queries\RecentlyViewed;

use BookStack\Entities\Queries\TopFavourites;

use BookStack\Entities\Repos\BookRepo;

use BookStack\Entities\Repos\BookshelfRepo;

use BookStack\Entities\Tools\PageContent;

class HomeController extends Controller

{

/**

* Display the homepage.

*/

public function index()

{

$activity = Activity::latest(10);

$draftPages = [];

if ($this->isSignedIn()) {

$draftPages = Page::visible()

->where('draft', '=', true)

->where('created_by', '=', user()->id)

->orderBy('updated_at', 'desc')

->with('book')

->take(6)

->get();

}

$recentFactor = count($draftPages) > 0 ? 0.5 : 1;

$recents = $this->isSignedIn() ?

(new RecentlyViewed())->run(12 * $recentFactor, 1)

: Book::visible()->orderBy('created_at', 'desc')->take(12 * $recentFactor)->get();

$favourites = (new TopFavourites())->run(6);

$recentlyUpdatedPages = Page::visible()->with('book')

->where('draft', false)

->orderBy('updated_at', 'desc')

->take($favourites->count() > 0 ? 6 : 12)

->select(Page::$listAttributes)

->get();

$homepageOptions = ['default', 'books', 'bookshelves', 'page'];

$homepageOption = setting('app-homepage-type', 'default');

if (!in_array($homepageOption, $homepageOptions)) {

$homepageOption = 'default';

}

$commonData = [

'activity' => $activity,

'recents' => $recents,

'recentlyUpdatedPages' => $recentlyUpdatedPages,

'draftPages' => $draftPages,

'favourites' => $favourites,

];

// Add required list ordering & sorting for books & shelves views.

if ($homepageOption === 'bookshelves' || $homepageOption === 'books') {

$key = $homepageOption;

$view = setting()->getForCurrentUser($key . '_view_type');

$sort = setting()->getForCurrentUser($key . '_sort', 'name');

$order = setting()->getForCurrentUser($key . '_sort_order', 'asc');

$sortOptions = [

'name' => trans('common.sort_name'),

'created_at' => trans('common.sort_created_at'),

'updated_at' => trans('common.sort_updated_at'),

];

$commonData = array_merge($commonData, [

'view' => $view,

'sort' => $sort,

'order' => $order,

'sortOptions' => $sortOptions,

]);

}

if ($homepageOption === 'bookshelves') {

$shelves = app(BookshelfRepo::class)->getAllPaginated(18, $commonData['sort'], $commonData['order']);

$data = array_merge($commonData, ['shelves' => $shelves]);

return view('home.shelves', $data);

}

if ($homepageOption === 'books') {

$bookRepo = app(BookRepo::class);

$books = $bookRepo->getAllPaginated(18, $commonData['sort'], $commonData['order']);

$data = array_merge($commonData, ['books' => $books]);

return view('home.books', $data);

}

if ($homepageOption === 'page') {

$homepageSetting = setting('app-homepage', '0:');

$id = intval(explode(':', $homepageSetting)[0]);

/** @var Page $customHomepage */

$customHomepage = Page::query()->where('draft', '=', false)->findOrFail($id);

$pageContent = new PageContent($customHomepage);

$customHomepage->html = $pageContent->render(false);

return view('home.specific-page', array_merge($commonData, ['customHomepage' => $customHomepage]));

}

return view('home.default', $commonData);

}

/**

* Get custom head HTML, Used in ajax calls to show in editor.

*/

public function customHeadContent()

{

return view('common.custom-head');

}

/**

* Show the view for /robots.txt.

*/

public function robots()

{

$sitePublic = setting('app-public', false);

$allowRobots = config('app.allow_robots');

if ($allowRobots === null) {

$allowRobots = $sitePublic;

}

return response()

->view('misc.robots', ['allowRobots' => $allowRobots])

->header('Content-Type', 'text/plain');

}

/**

* Show the route for 404 responses.

*/

public function notFound()

{

return response()->view('errors.404', [], 404);

}

}