1 files changed, 90 insertions, 0 deletions
diff --git a/vmchooser2/userSession.cxx b/vmchooser2/userSession.cxx
new file mode 100644
index 0000000..a0d118c
--- /dev/null
+++ b/vmchooser2/userSession.cxx
@@ -0,0 +1,90 @@
+
+
+
+#include "inc/DataEntry.h"
+#include "inc/functions.h"
+
+#include <cstdlib>
+#include <cstring>
+#include <string>
+#include <iostream>
+#include <fstream>
+#include<boost/filesystem/operations.hpp>
+
+namespace bfs=boost::filesystem;
+using namespace std;
+
+/**
+ * @function saveSession: Saves chosen session to prechoose this session next time.
+ *
+ * @param dat: Pointer to the wanted Image/Linux Session
+ * @return void
+ *
+ */
+void saveSession(DataEntry* dat) {
+
+    // get home folder
+    char* home = getenv("HOME");
+    if(home == NULL) {
+        cout << "HOME is not set. Not storing session." << endl;
+        return;
+    }
+
+    // build path
+    string fname = home;
+    string shome = home;
+    fname.append("/.openslx/vmchooser");
+    if(!bfs::exists(fname) ) {
+        if(!bfs::exists(shome.append("/.openslx")) ) {
+            bfs::create_directory(shome);
+        }
+    }
+
+    // write file with ofstream
+    ofstream fout(fname.c_str(),ios::trunc); // overwrite file
+    fout << dat->short_description << endl;
+}
+
+
+
+/**
+ * @function readSession: Read predefined session from users home folder
+ * 
+ * @return: if not found, return null, else description for Image XML/ Linux .desktop file
+ */
+char* readSession() {
+
+    // read HOME variable
+    char* home = getenv("HOME");
+    if(home==NULL) {
+        cout << "HOME is not set. Not reading session." << endl;
+        return NULL;
+    }
+
+    // build file name
+    string fname = home;
+    fname.append("/.openslx/vmchooser");
+
+    // read presaved session with ifstream
+    if(!bfs::exists(fname)) {
+        return NULL;
+    }
+    ifstream fin(fname.c_str());
+    if (!fin) {
+      cout << "some error occured reading file!" << endl;
+      return NULL;
+    }
+
+    string sessname;
+    getline(fin,sessname);
+    char* blub = strdup(sessname.c_str());
+
+    if(!sessname.empty()) {
+        return blub;
+    }
+    else {
+        free(blub);
+        return NULL;
+    }
+
+}