add author

app/api/apicontent.php

@@ -5,9 +5,11 @@ function api_pricehash($hash){
 
     $pricesql = "
     SELECT 
-        `price_id`, `pricename`, `BeginDate`, `category_id`, `pages`, `pdf`, `html` 
+        `price_id`, `pricename`, `BeginDate`, `category_id`, `pages`, `pdf`, `html`, `author` 
     FROM 
         `price`
+    LEFT JOIN 
+        price_authors ON price.priceauthor_id = price_authors.author_id    
     WHERE 
         `pricehash` = '$hash'
     LIMIT 1 

app/routes/anpdf.php

@@ -419,13 +419,18 @@ function readbook_kuri($hash, $page = 1){
     $baseurl = SITE.'/readbook/'.$hash.'/';
     $endurl = $baseurl.$count;
 
+    if ($page < $count) {
         $nextpage = $page + 1;
         $nexturl = $baseurl.$nextpage;
+    }    
     
+    if ($page > 1) {
         $prevpage = $page - 1;
         $prevurl = $baseurl.$prevpage;
+    }    
 
     $title = $price['pricename'];
+    $author = $price['author'];
 
     $tempcontent = VIEWPATH.'epub.phtml'; //подшаблон
     include VIEWPATH.'layout.phtml'; //центральный шаблон

app/views/layout.phtml

@@ -66,6 +66,11 @@ _tmr.push({id: "1069168", type: "pageView", start: (new Date()).getTime()});
     <li class="header-div<?if ($type == 'mybooks'):?> mob-hidden<?endif?>">
         <a href="<?=SITE?>mybooks">Моя библиотека</a>
     </li>
+    <?if ($author !== ''):?>
+        <li class="header-div">
+            <?=$author?>
+        </li>
+    <?endif?>
     <?if ($title !== '' and $title !== 'Моя библиотека'):?>
     <li>
         <i style="float:left" class="fas fa-arrow-right"></i>