- init, first implementation of store()

src/lib/store_bag.cpp

@@ -0,0 +1,70 @@
+#include "bag.hpp"
+#include <iostream>
+#include <fstream>
+#include <string>
+#include <boost/filesystem.hpp>
+// #include <boost/interprocess/detail/os_file_functions.hpp>
+//#include <filesystem> // c++17
+
+//namespace fs = std::filesystem;
+namespace fs = boost::filesystem;
+using namespace std;
+
+bool Bag::store( string basedir ) {
+
+	fs::path p{ basedir };
+	fs::file_status s = fs::status( p );
+	if (fs::is_directory( s)) {
+		Bag::log << "directory already exists" << endl;
+		return false;
+	}
+        fs::create_directory(p);
+
+	// store payload
+	if (NULL == Bag::payload_p) {
+		Bag::log << "Payload object needed" << endl;
+		return false;
+	}
+	Bag::payload_p->store( basedir );
+	// store payload manifest
+	if (NULL == Bag::payloadmanifest_p) {
+		Bag::log << "Payloadmanifest object needed" << endl;
+		return false;
+	}
+	Bag::payloadmanifest_p->store( basedir );
+	// store tagmanifest
+	if (NULL == Bag::tagmanifest_p) {
+		Bag::log << "Tagmanifest object needed" << endl;
+		return false;
+	}
+	Bag::tagmanifest_p->store( basedir );
+	// store baginfo
+	if (NULL == Bag::bagmetadata_p) {
+		Bag::log << "Bagmetadata object needed" << endl;
+		return false;
+	}
+	Bag::bagmetadata_p->store( basedir );
+	// store fetchfile (if needed)
+	if (NULL == Bag::fetchfile_p) {
+		Bag::log << "Fetchfile object needed" << endl;
+		return false;
+	}
+	Bag::fetchfile_p->store( basedir );
+	// store other
+	if (NULL == Bag::othertags_p) {
+		Bag::log << "Othertags object needed" << endl;
+		return false;
+	}
+	Bag::othertags_p->store( basedir );
+	// store bag itself
+	string bagit_txt_path = basedir + "bagit.txt";
+	ofstream bagit_txt_file;
+	bagit_txt_file.open( bagit_txt_path );
+	if (bagit_txt_file.is_open()) {
+		bagit_txt_file << ("BagIt-Version: " + to_string(Bag::bagit_version_major) + "." + to_string(Bag::bagit_version_minor)) << endl;
+		bagit_txt_file <<  ("Tag-File-Character-Encoding: " + Bag::tag_file_character_encoding) << endl;
+		bagit_txt_file.close();
+	} else {
+		Bag::log << "file " << bagit_txt_path << "could not be open for writing" << endl;
+	}
+}