1) Исправления в связи со сменой API MySQL

[openlib.git] / www / author.php

diff --git a/www/author.php b/www/author.php
new file mode 100644 (file)
index 0000000..9d5f0d8
--- /dev/null
+++ b/www/author.php
@@ -0,0 +1,121 @@
+<?php
+/**
+ * COPS (Calibre OPDS PHP Server) class file
+ *
+ * @license    GPL 2 (http://www.gnu.org/licenses/gpl.html)
+ * @author     Sébastien Lucas <sebastien@slucas.fr>
+ */
+
+require_once('base.php');
+
+class Author extends Base {
+    const ALL_AUTHORS_ID = "calibre:authors";
+    
+    const AUTHOR_COLUMNS = "authors.id as id, authors.name as name, authors.sort as sort, link.count as count";
+    const SQL_AUTHORS_BY_FIRST_LETTER = "select {0} from authors, (select author,count(*) as count from books_authors_link group by author) link where link.author = authors.id and authors.sort like ? order by authors.sort";
+    const SQL_ALL_AUTHORS = "select {0} from authors, (select author,count(*) as count from books_authors_link group by author) link where link.author = authors.id order by authors.sort ";
+    
+    public $id;
+    public $name;
+    public $sort;
+    
+    public function __construct($pid, $pname) {
+        $this->id = $pid;
+        $this->name = $pname;
+    }
+    
+    public function getUri () {
+        return "?page=".parent::PAGE_AUTHOR_DETAIL."&id=$this->id";
+    }
+    
+    public function getEntryId () {
+        return self::ALL_AUTHORS_ID.":".$this->id;
+    }
+    
+    public static function getEntryIdByLetter ($startingLetter) {
+        return self::ALL_AUTHORS_ID.":letter:".$startingLetter;
+    }
+
+    public static function getCount() {
+        $nAuthors = parent::getDb ()->query('select count(*) from authors')->fetchColumn(0);
+        $entry = new Entry (localize("authors.title"), self::ALL_AUTHORS_ID, 
+            str_format (localize("authors.alphabetical", $nAuthors), $nAuthors), "text", 
+            array ( new LinkNavigation ("?page=".parent::PAGE_AUTHORS_FIRST_LETTER)));
+        return $entry;
+    }
+    
+    public static function getAuthorsByFirstLetter($letter) {
+        if (!$letter) { $letter = ""; }
+        $len = mb_strlen($letter,'UTF-8')+1;
+        $result = parent::getDb ()->query('select substring(sort, 1, '.$len.') as title, count(distinct sort) sort_cnt,count(*) as count,min(id) min_id,min(sort) min_sort
+from authors
+where sort like "'.$letter.'%"
+group by substring(sort, 1, '.$len.')
+order by substring(sort, 1, '.$len.')');
+        $entryArray = array();
+        while ($post = $result->fetchObject ())
+        {
+            if ($post->count==1) {
+              $author = new Author ($post->min_id, $post->min_sort);
+              $title = $post->min_sort;
+              $entryid = $author->getEntryId();
+              $link = array ( new LinkNavigation ($author->getUri ()));
+            } elseif ($post->count > parent::maxItemsPerPage() && $post->sort_cnt>1) {
+              $page = parent::PAGE_AUTHORS_FIRST_LETTER;
+              $title= $post->title.'...';
+              $entryid = Author::getEntryIdByLetter ($post->title);
+              $link = array ( new LinkNavigation ("?page=".$page."&id=". rawurlencode ($post->title)));
+            } else {
+              $page = parent::PAGE_AUTHORS_STARTING_LETTERS;
+              $title = $post->title.'...';
+              $entryid = Author::getEntryIdByLetter ($post->title);
+              $link = array ( new LinkNavigation ("?page=".$page."&id=". rawurlencode ($post->title)));            
+            }
+            array_push ($entryArray, new Entry ($title, $entryid, 
+                str_format (localize("authorword", $post->count), $post->count), "text", 
+                $link));
+        }
+        return $entryArray;
+    }
+
+    
+    public static function getAuthorsByStartingLetter($letter) {
+        return self::getEntryArray (self::SQL_AUTHORS_BY_FIRST_LETTER, array ($letter . "%"));
+    }
+    
+    public static function getAllAuthors() {
+        return self::getEntryArray (self::SQL_ALL_AUTHORS, array ());
+    }
+    
+    public static function getEntryArray ($query, $params) {
+        list ($totalNumber, $result) = parent::executeQuery ($query, self::AUTHOR_COLUMNS, "", $params, -1);
+        $entryArray = array();
+        while ($post = $result->fetchObject ())
+        {
+            $author = new Author ($post->id, $post->sort);
+            array_push ($entryArray, new Entry ($post->sort, $author->getEntryId (), 
+                str_format (localize("bookword", $post->count), $post->count), "text", 
+                array ( new LinkNavigation ($author->getUri ()))));
+        }
+        return $entryArray;
+    }
+        
+    public static function getAuthorById ($authorId) {
+        $result = parent::getDb ()->prepare('select sort from authors where id = ?');
+        $result->execute (array ($authorId));
+        return new Author ($authorId, $result->fetchColumn (0));
+    }
+    
+    public static function getAuthorByBookId ($bookId) {
+        $result = parent::getDb ()->prepare('select authors.id as id, authors.sort as sort
+from authors, books_authors_link
+where author = authors.id
+and book = ?');
+        $result->execute (array ($bookId));
+        $authorArray = array ();
+        while ($post = $result->fetchObject ()) {
+            array_push ($authorArray, new Author ($post->id, $post->sort));
+        }
+        return $authorArray;
+    }
+}