Cleanup work (much needed)

[tpg/opendispense2.git] / src / cokebank_basic / main.c

diff --git a/src/cokebank_basic/main.c b/src/cokebank_basic/main.c
index ae111d4..e635b91 100644 (file)
--- a/src/cokebank_basic/main.c
+++ b/src/cokebank_basic/main.c
@@ -33,6 +33,9 @@ char  *GetUserName(int User);
  int   GetUserID(const char *Username); 
  int   GetUserAuth(const char *Username, const char *Password);
 
+// === GLOBALS ===
+FILE   *gBank_LogFile;
+
 // === CODE ===
 /**
  * \brief Load the cokebank database
@@ -47,6 +50,9 @@ void Init_Cokebank(const char *Argument)
                perror("Opening coke bank");
        }
 
+       gBank_LogFile = fopen("cokebank.log", "a");
+       if( !gBank_LogFile )    gBank_LogFile = stdout;
+
        fseek(gBank_File, 0, SEEK_END);
        giBank_NumUsers = ftell(gBank_File) / sizeof(gaBank_Users[0]);
        fseek(gBank_File, 0, SEEK_SET);
@@ -64,12 +70,16 @@ void Init_Cokebank(const char *Argument)
  */
 int Transfer(int SourceUser, int DestUser, int Ammount, const char *Reason)
 {
-       if( Bank_GetUserBalance(SourceUser) - Ammount < Bank_GetMinAllowedBalance(SourceUser) )
+        int    srcBal = Bank_GetUserBalance(SourceUser);
+        int    dstBal = Bank_GetUserBalance(DestUser);
+       if( srcBal - Ammount < Bank_GetMinAllowedBalance(SourceUser) )
                return 1;
-       if( Bank_GetUserBalance(DestUser) + Ammount < Bank_GetMinAllowedBalance(DestUser) )
+       if( dstBal + Ammount < Bank_GetMinAllowedBalance(DestUser) )
                return 1;
        Bank_AlterUserBalance(DestUser, Ammount);
        Bank_AlterUserBalance(SourceUser, -Ammount);
+       fprintf(gBank_LogFile, "ACCT #%i{%i} -= %ic [to #%i] (%s)\n", SourceUser, srcBal, Ammount, DestUser, Reason);
+       fprintf(gBank_LogFile, "ACCT #%i{%i} += %ic [from #%i] (%s)\n", DestUser, dstBal, Ammount, SourceUser, Reason);
        return 0;
 }