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Add custom filter of tags in the OPDS feed using facets.

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Need more testing but should be ok.

re #21
This commit is contained in:
Sébastien Lucas 2013-01-11 15:16:15 +01:00
parent 98362a6d39
commit 5d9c54eee6
5 changed files with 67 additions and 12 deletions
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31
book.php
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@ -20,15 +20,15 @@ define ('SQL_BOOKS_LEFT_JOIN', "left outer join comments on comments.book = book
define ('SQL_BOOKS_BY_FIRST_LETTER', "select {0} from books " . SQL_BOOKS_LEFT_JOIN . "
where upper (books.sort) like ?");
define ('SQL_BOOKS_BY_AUTHOR', "select {0} from books_authors_link, books " . SQL_BOOKS_LEFT_JOIN . "
where books_authors_link.book = books.id and author = ? order by pubdate");
where books_authors_link.book = books.id and author = ? {1} order by pubdate");
define ('SQL_BOOKS_BY_SERIE', "select {0} from books_series_link, books " . SQL_BOOKS_LEFT_JOIN . "
where books_series_link.book = books.id and series = ? order by series_index");
where books_series_link.book = books.id and series = ? {1} order by series_index");
define ('SQL_BOOKS_BY_TAG', "select {0} from books_tags_link, books " . SQL_BOOKS_LEFT_JOIN . "
where books_tags_link.book = books.id and tag = ? order by sort");
where books_tags_link.book = books.id and tag = ? {1} order by sort");
define ('SQL_BOOKS_QUERY', "select {0} from books " . SQL_BOOKS_LEFT_JOIN . "
where exists (select null from authors, books_authors_link where book = books.id and author = authors.id and authors.name like ?) or title like ?");
where (exists (select null from authors, books_authors_link where book = books.id and author = authors.id and authors.name like ?) or title like ?) {1}");
define ('SQL_BOOKS_RECENT', "select {0} from books " . SQL_BOOKS_LEFT_JOIN . "
order by timestamp desc limit ");
where 1=1 {1} order by timestamp desc limit ");
class Book extends Base {
const ALL_BOOKS_UUID = "urn:uuid";
@ -113,6 +113,25 @@ class Book extends Base {
return $this->authors;
}
public function getFilterString () {
$filter = getURLParam ("tag", NULL);
if (is_null ($filter)) return "";
$exists = true;
if (preg_match ("/^!(.*)$/", $filter, $matches)) {
$exists = false;
$filter = $matches[1];
}
$result = "exists (select null from books_tags_link, tags where books_tags_link.book = books.id and books_tags_link.tag = tags.id and tags.name = '" . $filter . "')";
if (!$exists) {
$result = "not " . $result;
}
return "and " . $result;
}
public function getAuthorsName () {
$authorList = null;
foreach ($this->getAuthors () as $author) {
@ -432,7 +451,7 @@ order by substr (upper (sort), 1, 1)");
}
public static function getEntryArray ($query, $params, $n) {
list ($totalNumber, $result) = parent::executeQuery ($query, self::BOOK_COLUMNS, $params, $n);
list ($totalNumber, $result) = parent::executeQuery ($query, self::BOOK_COLUMNS, self::getFilterString (), $params, $n);
$entryArray = array();
while ($post = $result->fetchObject ())
{