From 34257cfc1f65787d4e1bf6b1c72a0e4a8b14bf48 Mon Sep 17 00:00:00 2001
From: Matthieu Gautier <mgautier@kymeria.fr>
Date: Wed, 29 Jan 2020 18:13:56 +0100
Subject: [PATCH] Trust the library.xml information by default.

Do not try to read the zim file and update the book when parsing a
library.xml.
Needed by kiwix/kiwix-tools#319
---
 include/manager.h | 10 ++++++----
 src/book.cpp      |  1 +
 src/manager.cpp   | 27 ++++++++++++++-------------
 3 files changed, 21 insertions(+), 17 deletions(-)

diff --git a/include/manager.h b/include/manager.h
index 13087ca70..49bc6c8d8 100644
--- a/include/manager.h
+++ b/include/manager.h
@@ -74,7 +74,7 @@ class Manager
    *                 updated content.
    * @return True if file has been properly parsed.
    */
-  bool readFile(const std::string& path, const bool readOnly = true);
+  bool readFile(const std::string& path, bool readOnly = true, bool trustLibrary = true);
 
   /**
    * Load a library content store in the string.
@@ -87,7 +87,8 @@ class Manager
    */
   bool readXml(const std::string& xml,
                const bool readOnly = true,
-               const std::string& libraryPath = "");
+               const std::string& libraryPath = "",
+               bool trustLibrary = true);
 
   /**
    * Load a library content stored in a OPDS stream.
@@ -154,8 +155,9 @@ class Manager
 
   bool readBookFromPath(const std::string& path, Book* book);
   bool parseXmlDom(const pugi::xml_document& doc,
-                   const bool readOnly,
-                   const std::string& libraryPath);
+                   bool readOnly,
+                   const std::string& libraryPath,
+                   bool trustLibrary);
   bool parseOpdsDom(const pugi::xml_document& doc,
                     const std::string& urlHost);
 
diff --git a/src/book.cpp b/src/book.cpp
index 8b2f30db7..d8e90d7ca 100644
--- a/src/book.cpp
+++ b/src/book.cpp
@@ -106,6 +106,7 @@ void Book::updateFromXml(const pugi::xml_node& node, const std::string& baseDir)
     path = computeAbsolutePath(baseDir, path);
   }
   m_path = path;
+  m_pathValid = fileExists(path);
   m_title = ATTR("title");
   m_description = ATTR("description");
   m_language = ATTR("language");
diff --git a/src/manager.cpp b/src/manager.cpp
index cf2534856..a524d380b 100644
--- a/src/manager.cpp
+++ b/src/manager.cpp
@@ -48,8 +48,9 @@ Manager::~Manager()
   }
 }
 bool Manager::parseXmlDom(const pugi::xml_document& doc,
-                          const bool readOnly,
-                          const std::string& libraryPath)
+                          bool readOnly,
+                          const std::string& libraryPath,
+                          bool trustLibrary)
 {
   pugi::xml_node libraryNode = doc.child("library");
 
@@ -63,12 +64,8 @@ bool Manager::parseXmlDom(const pugi::xml_document& doc,
     book.updateFromXml(bookNode,
                        removeLastPathElement(libraryPath));
 
-    /* Update the book properties with the new importer */
-    if (libraryVersion.empty()
-        || atoi(libraryVersion.c_str()) <= atoi(KIWIX_LIBRARY_VERSION)) {
-      if (!book.getPath().empty()) {
-        this->readBookFromPath(book.getPath(), &book);
-      }
+    if (!trustLibrary && !book.getPath().empty()) {
+      this->readBookFromPath(book.getPath(), &book);
     }
     manipulator->addBookToLibrary(book);
   }
@@ -77,15 +74,16 @@ bool Manager::parseXmlDom(const pugi::xml_document& doc,
 }
 
 bool Manager::readXml(const std::string& xml,
-                      const bool readOnly,
-                      const std::string& libraryPath)
+                      bool readOnly,
+                      const std::string& libraryPath,
+                      bool trustLibrary)
 {
   pugi::xml_document doc;
   pugi::xml_parse_result result
       = doc.load_buffer_inplace((void*)xml.data(), xml.size());
 
   if (result) {
-    this->parseXmlDom(doc, readOnly, libraryPath);
+    this->parseXmlDom(doc, readOnly, libraryPath, trustLibrary);
   }
 
   return true;
@@ -136,7 +134,10 @@ bool Manager::readOpds(const std::string& content, const std::string& urlHost)
   return false;
 }
 
-bool Manager::readFile(const std::string& path, const bool readOnly)
+bool Manager::readFile(
+  const std::string& path,
+  bool readOnly,
+  bool trustLibrary)
 {
   bool retVal = true;
   pugi::xml_document doc;
@@ -148,7 +149,7 @@ bool Manager::readFile(const std::string& path, const bool readOnly)
 #endif
 
   if (result) {
-    this->parseXmlDom(doc, readOnly, path);
+    this->parseXmlDom(doc, readOnly, path, trustLibrary);
   } else {
     retVal = false;
   }