-Qu works

queryoperation.cpp

@@ -87,6 +87,8 @@ void QueryOperation::start(QList<APM::Operation> operations, QStringList args)
         showLocalQuery(Akabei::Backend::instance()->localDatabase()->queryPackages(query));
     } else if (operations.contains(APM::ShowNotRequired)) {
         showNotRequired();
+    } else if (operations.contains(APM::ShowUpgradeable)) {
+        showUpgradeable();
     }
 }
 
@@ -255,3 +257,29 @@ void QueryOperation::showNotRequired()
         out << pkg->name() << ' ' << pkg->version().toByteArray().data() << endl;
     out.flush();
 }
+
+void QueryOperation::showUpgradeable()
+{
+    //FIXME: Maybe don't even check for the highest version... redundant?
+    QTextStream out(stdout);
+    QList<Akabei::Package*> packages = Akabei::Backend::instance()->localDatabase()->packages();
+    QMap<QString, Akabei::Package*> upgradeable;
+    foreach (Akabei::Package * pkg, packages) {
+        foreach (Akabei::Database * db, Akabei::Backend::instance()->databases()) {
+            Akabei::Package::List list = db->queryPackages("SELECT * FROM packages WHERE Name LIKE \"" + pkg->name() + "\"");
+            if (!list.isEmpty()) {
+                foreach (Akabei::Package * p, list) {
+                    if (p->version() > pkg->version() && p->name() == pkg->name()) {
+                        if (upgradeable[p->name()] && upgradeable[p->name()]->version() > p->version())
+                            continue;
+                        upgradeable[p->name()] = p;
+                    }
+                }
+            }
+        }
+    }
+    
+    foreach (Akabei::Package * pkg, upgradeable.values())
+        out << pkg->name() << ' ' << pkg->version().toByteArray().data() << endl;
+    out.flush();
+}

queryoperation.h

@@ -36,6 +36,7 @@ private slots:
     void showOwner(const QString &query);
     void showLocalQuery(QList<Akabei::Package*>);
     void showNotRequired();
+    void showUpgradeable();
 };
 
 #endif // QUERYOPERATION_H