anpdf/app/routes/books.php

<?php

function product_kuri($slug){

    $book = bookid_kuri($slug);

    $breadcrumbs = [
        $book['categoryname'] => SITE.'category/'.$book['categoryslug'],
        'page' => $book['pricename']
    ];
    
    $title = $book['pricename'].' - Аргументы Недели';
    $description = 'Читайте и покупайте '.$book['pricename'].'. Издательский дом "Аргументы Недели"';
    $maintitle = 'Книги Аргументы Недели';
    $subtitle = $book['pricename'];

    $buy_status = False;

    # книга входит в состав подписки
    if ($book['sub'] == 1 && SUBSTATUS == 1){
        $buy_status = True;
    }
    else {
        # купил ли эту книжку
        $buy_status = client_status_book($books['book_id'], CLIENT_ID);
    }    

    # линки на оформление заказа
    $link_online = SITE.'checkout/'.$book['priceslug'].'/1';
    $link_offline = SITE.'checkout/'.$book['priceslug'].'/2';
    $link_subscript = SITE.'checkout/podpiska-na-elektronnuyu-versiyu-gazety-argumenty-nedeli-na-god/1';
       
    $tempcontent = VIEWPATH.'book.phtml';
    include VIEWPATH.'layout.phtml';

}



/**
 * категории товаров
 */

function category_kuri($category = '', $filter = 'all',  $page = 1){

    
    if ($category == ''){

        if (SUBSTATUS == 1){ // категория по умолчанию
            $category = 'gazeta';
            $filter = "category_id = 1";
        }
        else {
            $category = 'knigi';
            $filter = "category_id = 3";
        }

    }
    elseif ($category == 'gazeta') {
        $filter = "category_id = 1";
    }
    elseif ($category == 'knigi') {
        $filter = "category_id = 3";
    }

    $cats = api_cats();

    $books = api_books_kuri($filter, $page);

    $baseurl = SITE."category/$category/$filter/";

    if ($books['pages'] > 1){
        $endurl = $baseurl.$books['pages'];
    }

    if ($page > 1) {
        $pagetitle = $cats[$category]['categoryname']." - страница $page";
        $prevpage = $page - 1 ;
        $prevurl = $baseurl.$prevpage;
        
    }
    else {
        $pagetitle = $cats[$category]['categoryname'];
    }

    if ($page < $books['pages']){
        $nextpage = $page+1;
        $nexturl = $baseurl.$nextpage;
    }
 
    if (isset($cats[$category])){
        $breadcrumbs['page'] = $pagetitle;
    }
    
    $tempcontent = VIEWPATH.'books.phtml';
    include VIEWPATH.'layout.phtml';

}

/**
 * книги авторов
 */
function author_kuri($slug, $page = 1){

    $find_author_sql = "SELECT * FROM `price_authors` WHERE `authorslug` = '$slug' LIMIT 1";
    $find_author = db_get($find_author_sql);
    

    if (!isset($find_author['author_id'])){ # 404
        echo 'not fount';
        exit;
    }

    $filter = "`priceauthor_id` = ".$find_author['author_id'];

    $books = api_books_kuri($filter, $page);
    $baseurl = SITE."author/$slug/";

    if ($books['pages'] > 1){
        $endurl = $baseurl.$books['pages'];
    }

    if ($page > 1) {
        $pagetitle = $find_author['author'].". Книги - страница $page";
        $prevpage = $page - 1 ;
        $prevurl = $baseurl.$prevpage;
        
    }
    else {
        $pagetitle = $find_author['author'].". Книги";
    }

    if ($page < $books['pages']){
        $nextpage = $page+1;
        $nexturl = $baseurl.$nextpage;
    }
 
    
    $breadcrumbs['page'] = $pagetitle;

    
    $tempcontent = VIEWPATH.'books.phtml';
    include VIEWPATH.'layout.phtml';
    



}