*/
#include "common.h"
#include <stdlib.h>
+#include <limits.h>
+#include <string.h>
+
+ int _GetMinBalance(int Account);
+ int _CanTransfer(int Source, int Destination, int Ammount);
+ int _Transfer(int Source, int Destination, int Ammount, const char *Reason);
// === CODE ===
/**
*/
int DispenseItem(int ActualUser, int User, tItem *Item)
{
- int ret;
+ int ret, salesAcct;
tHandler *handler;
char *username, *actualUsername;
- char *reason;
+
+ salesAcct = Bank_GetAcctByName(COKEBANK_SALES_ACCT);
+
+ // Check if the user can afford it
+ if( Item->Price && !_CanTransfer(User, salesAcct, Item->Price) )
+ {
+ return 2; // 2: No balance
+ }
handler = Item->Handler;
ret = handler->CanDispense( User, Item->ID );
if(ret) return 1; // 1: Unable to dispense
}
-
- // Subtract the balance
- reason = mkstr("Dispense - %s:%i %s", handler->Name, Item->ID, Item->Name);
- if( !reason ) reason = Item->Name; // TODO: Should I instead return an error?
- ret = Bank_Transfer( User, Bank_GetAcctByName(COKEBANK_SALES_ACCT), Item->Price, reason);
- free(reason);
- if(ret) return 2; // 2: No balance
// Get username for debugging
username = Bank_GetAcctName(User);
if( handler->DoDispense ) {
ret = handler->DoDispense( User, Item->ID );
if(ret) {
- Log_Error("Dispense failed after deducting cost (%s dispensing %s - %ic)",
+ Log_Error("Dispense failed (%s dispensing '%s' - %ic)",
username, Item->Name, Item->Price);
- Bank_Transfer( Bank_GetAcctByName(COKEBANK_SALES_ACCT), User, Item->Price, "rollback" );
free( username );
- return -1; // 1: Unkown Error again
+ return -1; // 1: Unknown Error again
}
}
+ // Take away money
+ if( Item->Price )
+ {
+ char *reason;
+ reason = mkstr("Dispense - %s:%i %s", handler->Name, Item->ID, Item->Name);
+ _Transfer( User, salesAcct, Item->Price, reason );
+ free(reason);
+ }
+
actualUsername = Bank_GetAcctName(ActualUser);
// And log that it happened
- Log_Info("dispense '%s' (%s:%i) for %s by %s [cost %i, balance %i cents]",
+ Log_Info("dispense '%s' (%s:%i) for %s by %s [cost %i, balance %i]",
Item->Name, handler->Name, Item->ID,
username, actualUsername, Item->Price, Bank_GetBalance(User)
);
if( Ammount < 0 ) return 1; // Um... negative give? Not on my watch!
- ret = Bank_Transfer( SrcUser, DestUser, Ammount, ReasonGiven );
+ ret = _Transfer( SrcUser, DestUser, Ammount, ReasonGiven );
if(ret) return 2; // No Balance
+ actualUsername = Bank_GetAcctName(ActualUser);
srcName = Bank_GetAcctName(SrcUser);
dstName = Bank_GetAcctName(DestUser);
- actualUsername = Bank_GetAcctName(ActualUser);
- Log_Info("give %i to %s from %s by %s (%s) [balances %i, %i]",
- Ammount, dstName, srcName, actualUsername, ReasonGiven,
- Bank_GetBalance(SrcUser), Bank_GetBalance(DestUser)
+ Log_Info("give %i to %s from %s by %s [balances %i, %i] - %s",
+ Ammount, dstName, srcName, actualUsername,
+ Bank_GetBalance(SrcUser), Bank_GetBalance(DestUser),
+ ReasonGiven
);
free(srcName);
/**
* \brief Add money to an account
*/
-int DispenseAdd(int User, int ByUser, int Ammount, const char *ReasonGiven)
+int DispenseAdd(int ActualUser, int User, int Ammount, const char *ReasonGiven)
{
int ret;
char *dstName, *byName;
- ret = Bank_Transfer( Bank_GetAcctByName(COKEBANK_DEBT_ACCT), User, Ammount, ReasonGiven );
+ ret = _Transfer( Bank_GetAcctByName(COKEBANK_DEBT_ACCT), User, Ammount, ReasonGiven );
if(ret) return 2;
- byName = Bank_GetAcctName(ByUser);
+ byName = Bank_GetAcctName(ActualUser);
+ dstName = Bank_GetAcctName(User);
+
+ Log_Info("add %i to %s by %s [balance %i] - %s",
+ Ammount, dstName, byName, Bank_GetBalance(User), ReasonGiven
+ );
+
+ free(byName);
+ free(dstName);
+
+ return 0;
+}
+
+int DispenseSet(int ActualUser, int User, int Balance, const char *ReasonGiven)
+{
+ int curBal = Bank_GetBalance(User);
+ char *byName, *dstName;
+
+ _Transfer( Bank_GetAcctByName(COKEBANK_DEBT_ACCT), User, Balance-curBal, ReasonGiven );
+
+ byName = Bank_GetAcctName(ActualUser);
dstName = Bank_GetAcctName(User);
- Log_Info("add %i to %s by %s (%s) [balance %i]",
- Ammount, dstName, byName, ReasonGiven, Bank_GetBalance(User)
+ Log_Info("set balance of %s to %i by %s [balance %i] - %s",
+ dstName, Balance, byName, Bank_GetBalance(User), ReasonGiven
);
free(byName);
return 0;
}
+
+/**
+ * \brief Donate money to the club
+ */
+int DispenseDonate(int ActualUser, int User, int Ammount, const char *ReasonGiven)
+{
+ int ret;
+ char *srcName, *byName;
+
+ if( Ammount < 0 ) return 2;
+
+ ret = _Transfer( User, Bank_GetAcctByName(COKEBANK_DEBT_ACCT), Ammount, ReasonGiven );
+ if(ret) return 2;
+
+ byName = Bank_GetAcctName(ActualUser);
+ srcName = Bank_GetAcctName(User);
+
+ Log_Info("donate %i from %s by %s [balance %i] - %s",
+ Ammount, srcName, byName, Bank_GetBalance(User), ReasonGiven
+ );
+
+ free(byName);
+ free(srcName);
+
+ return 0;
+}
+
+// --- Internal Functions ---
+int _GetMinBalance(int Account)
+{
+ int flags = Bank_GetFlags(Account);
+
+ // Evil little piece of HACK:
+ // root's balance cannot be changed by any of the above functions
+ // - Stops dispenses as root by returning insufficent balance.
+ {
+ char *username = Bank_GetAcctName(Account);
+ if( strcmp(username, "root") == 0 )
+ {
+ free(username);
+ return INT_MAX;
+ }
+ free(username);
+ }
+
+ // - Internal accounts have no lower bound
+ if( flags & USER_FLAG_INTERNAL ) return INT_MIN;
+
+ // Admin to -$10
+ //if( flags & USER_FLAG_ADMIN ) return -1000;
+
+ // Coke to -$5
+ //if( flags & USER_FLAG_COKE ) return -500;
+
+ // Anyone else, non-negative
+ return 0;
+}
+
+/**
+ * \brief Check if a transfer is possible
+ */
+int _CanTransfer(int Source, int Destination, int Ammount)
+{
+ if( Ammount > 0 )
+ {
+ if( Bank_GetBalance(Source) + Ammount < _GetMinBalance(Source) )
+ return 0;
+ }
+ else
+ {
+ if( Bank_GetBalance(Destination) - Ammount < _GetMinBalance(Destination) )
+ return 0;
+ }
+ return 1;
+}
+
+int _Transfer(int Source, int Destination, int Ammount, const char *Reason)
+{
+ if( !_CanTransfer(Source, Destination, Ammount) )
+ return 1;
+ return Bank_Transfer(Source, Destination, Ammount, Reason);
+}
git.ucc.asn.au / tpg / opendispense2.git / blobdiff
UCC git Repository :: git.ucc.asn.au