From c66c7e9c205bc1b63c366c73fcc284d9c73f5a2a Mon Sep 17 00:00:00 2001
From: Matthieu Gautier <mgautier@kymeria.fr>
Date: Fri, 19 Oct 2018 11:48:38 +0200
Subject: [PATCH] Store the size of the book in OPDSFeed.

---
 src/book.cpp        | 1 +
 src/opds_dumper.cpp | 1 +
 2 files changed, 2 insertions(+)

diff --git a/src/book.cpp b/src/book.cpp
index 93a75f837..d8241f5f0 100644
--- a/src/book.cpp
+++ b/src/book.cpp
@@ -148,6 +148,7 @@ void Book::updateFromOpds(const pugi::xml_node& node)
 
     if (rel == "http://opds-spec.org/acquisition/open-access") {
       m_url = linkNode.attribute("href").value();
+      m_size = strtoull(linkNode.attribute("length").value(), 0, 0);
       break;
     }
  }
diff --git a/src/opds_dumper.cpp b/src/opds_dumper.cpp
index 5caf2892a..c7e91fa86 100644
--- a/src/opds_dumper.cpp
+++ b/src/opds_dumper.cpp
@@ -72,6 +72,7 @@ pugi::xml_node OPDSDumper::handleBook(Book book, pugi::xml_node root_node) {
     acquisition_link.append_attribute("rel") = "http://opds-spec.org/acquisition/open-access";
     acquisition_link.append_attribute("type") = "application/x-zim";
     acquisition_link.append_attribute("href") = book.getUrl().c_str();
+    acquisition_link.append_attribute("length") = std::to_string(book.getSize()).c_str();
   }
 
   if (! book.getFaviconMimeType().empty() ) {