Implemented camp wizard and service methods for camp calculation.

camp/data/sale.cpp

@@ -1,7 +1,7 @@
 #include "sale.h"
 #include <define.h>
 
-Sale::Sale(QObject *parent) : QObject(parent)
+Sale::Sale(QObject *parent) : ComboItem(parent)
 {
     m_id = 0;
     m_sale = 0;
@@ -47,3 +47,20 @@ void Sale::setDescription(const QString &description)
 {
     m_description = description;
 }
+
+bool Sale::eq(ComboItem *other)
+{
+    Sale *sale = qobject_cast<Sale*>(other);
+
+    if (sale == NULL)
+    {
+        return false;
+    }
+
+    return this->m_id == sale->m_id && this->m_sale == sale->m_sale && this->m_fixed == sale->m_fixed;
+}
+
+QString Sale::toString()
+{
+    return m_description;
+}