changed to store parent IDs

libgrive/src/drive2/CommonUri.hh

@@ -33,4 +33,9 @@ namespace mime_types
 	const std::string folder	= "application/vnd.google-apps.folder" ;
 }
 
+namespace kinds
+{
+	const std::string parent	= "drive#parentReference" ;
+}
+
 } } // end of namespace gr::v2

libgrive/src/drive2/Drive.cc

@@ -25,6 +25,7 @@
 #include "protocol/Json.hh"
 
 #include <iostream>
+#include <iterator>
 
 namespace gr { namespace v2 {
 
@@ -46,14 +47,25 @@ void Drive::Refresh( http::Agent *agent )
 		for ( std::vector<Json>::iterator i = items.begin() ; i != items.end() ; ++i )
 		{
 			const Resource *r = Add( *i ) ;
-			std::cout << r->Title() << " " << r->Mime() << std::endl ;
 		}
 	}
 }
 
 const Resource* Drive::Add( const Json& item )
 {
 	Resource *r = new Resource( item["id"].Str(), item["mimeType"].Str(), item["title"].Str() ) ;
+
+	// initialize parent IDs
+	Json parents ;
+	if ( item.Get( "parents", parents ) )
+	{
+		std::vector<std::string> parent_ids ;
+		parents.Select<std::string>( "id", std::back_inserter(parent_ids) ) ;
+
+		r->SetParent( parent_ids.begin(), parent_ids.end() ) ;
+		std::cout << r->Title() << " " << r->ID() << " " << parent_ids.size() << std::endl ;
+	}
+
 	return *m_db.insert(r).first ;
 }
 

libgrive/src/drive2/Resource.cc

@@ -60,9 +60,4 @@ bool Resource::IsFolder() const
 	return m_mime == "application/vnd.google-apps.folder" ;
 }
 
-void Resource::Add( const std::string& child_id )
-{
-	m_children.push_back( child_id ) ;
-}
-
 } } // end of namespace gr::v2

libgrive/src/drive2/Resource.hh

@@ -30,21 +30,25 @@ class Resource
 public :
 	Resource() ;
 	Resource( const std::string& id, const std::string& mime, const std::string& title ) ;
-
+
+	template <typename InputIt>
+	void SetParent( InputIt first, InputIt last )
+	{
+		m_parent.assign( first, last ) ;
+	}
+
 	std::string ID() const ;
 	std::string	Mime() const ;
 	std::string Title() const ;
 
 	bool IsFolder() const ;
 
-	void Add( const std::string& child_id ) ;
-
 private :
 	std::string		m_id ;
 	std::string		m_mime ;
 	std::string		m_title ;
 
-	std::vector<std::string>	m_children ;
+	std::vector<std::string>	m_parent ;
 } ;
 
 } } // end of namespace gr::v2

libgrive/src/protocol/Json.hh

@@ -100,6 +100,18 @@ public :
 	Json FindInArray( const std::string& key, const std::string& value ) const ;
 	bool FindInArray( const std::string& key, const std::string& value, Json& result ) const ;
 
+	/**	Expect *this is a JSON array of objects. Select all "key" values inside each
+		objects in the array and copies them in the output iterator \a out.
+	*/
+	template <typename T, typename Out>
+	Out Select( const std::string& key, Out out )
+	{
+		Array a = AsArray() ;
+		for ( Array::iterator i = a.begin() ; i != a.end() ; ++i )
+			*out++ = i->As<T>() ;
+		return out ;
+	}
+
 	friend std::ostream& operator<<( std::ostream& os, const Json& json ) ;
 	void Write( DataStream *out ) const ;