X-Git-Url: https://git.stg.codes/stg.git/blobdiff_plain/1347f3d1e04bedd1508589173f577673ee2c5554..95d8409cd8b377f22b1ca6ac472009d40179f833:/projects/stargazer/tariff_impl.cpp

diff --git a/projects/stargazer/tariff_impl.cpp b/projects/stargazer/tariff_impl.cpp
index c6785cea..a3084fbc 100644
--- a/projects/stargazer/tariff_impl.cpp
+++ b/projects/stargazer/tariff_impl.cpp
@@ -145,3 +145,24 @@ else
     return tariffData.dirPrice[dir].priceDayA;
 }
 //-----------------------------------------------------------------------------
+std::string TARIFF_IMPL::TariffChangeIsAllowed(const TARIFF & to) const
+{
+switch (GetChangePolicy())
+    {
+    case TARIFF::ALLOW:
+        return "";
+    case TARIFF::TO_CHEAP:
+        if (to.GetFee() < GetFee())
+            return "";
+        else
+            return "New tariff '" + to.GetName() + "' is more expensive than current tariff '" + GetName() + "'. The policy is '" + TARIFF::ChangePolicyToString(GetChangePolicy()) + "'.";
+    case TARIFF::TO_EXPENSIVE:
+        if (to.GetFee() >= GetFee())
+            return "";
+        else
+            return "New tariff '" + to.GetName() + "' is more cheap than current tariff '" + GetName() + "'. The policy is '" + TARIFF::ChangePolicyToString(GetChangePolicy()) + "'.";
+    case TARIFF::DENY:
+        return "Current tariff '" + GetName() + "', new tariff '" + to.GetName() + "'. The policy is '" + TARIFF::ChangePolicyToString(GetChangePolicy()) + "'.";
+    }
+}
+//-----------------------------------------------------------------------------