8 int _GetMinBalance(int Account);
9 int _CanTransfer(int Source, int Destination, int Ammount);
10 int _Transfer(int Source, int Destination, int Ammount, const char *Reason);
14 * \brief Dispense an item for a user
16 * The core of the dispense system, I kinda like it :)
18 int DispenseItem(int ActualUser, int User, tItem *Item)
22 char *username, *actualUsername;
24 salesAcct = Bank_GetAcctByName(COKEBANK_SALES_ACCT);
26 // Check if the user can afford it
27 if( Item->Price && !_CanTransfer(User, salesAcct, Item->Price) )
29 return 2; // 2: No balance
32 handler = Item->Handler;
34 // Check if the dispense is possible
35 if( handler->CanDispense ) {
36 ret = handler->CanDispense( User, Item->ID );
37 if(ret) return 1; // 1: Unable to dispense
40 // Get username for debugging
41 username = Bank_GetAcctName(User);
43 // Actually do the dispense
44 if( handler->DoDispense ) {
45 ret = handler->DoDispense( User, Item->ID );
47 Log_Error("Dispense failed (%s dispensing '%s' - %ic)",
48 username, Item->Name, Item->Price);
50 return -1; // 1: Unknown Error again
58 reason = mkstr("Dispense - %s:%i %s", handler->Name, Item->ID, Item->Name);
59 _Transfer( User, salesAcct, Item->Price, reason );
63 actualUsername = Bank_GetAcctName(ActualUser);
65 // And log that it happened
66 Log_Info("dispense '%s' (%s:%i) for %s by %s [cost %i, balance %i]",
67 Item->Name, handler->Name, Item->ID,
68 username, actualUsername, Item->Price, Bank_GetBalance(User)
72 free( actualUsername );
77 * \brief Give money from one user to another
79 int DispenseGive(int ActualUser, int SrcUser, int DestUser, int Ammount, const char *ReasonGiven)
83 char *srcName, *dstName;
85 if( Ammount < 0 ) return 1; // Um... negative give? Not on my watch!
87 ret = _Transfer( SrcUser, DestUser, Ammount, ReasonGiven );
88 if(ret) return 2; // No Balance
91 actualUsername = Bank_GetAcctName(ActualUser);
92 srcName = Bank_GetAcctName(SrcUser);
93 dstName = Bank_GetAcctName(DestUser);
95 Log_Info("give %i to %s from %s by %s [balances %i, %i] - %s",
96 Ammount, dstName, srcName, actualUsername,
97 Bank_GetBalance(SrcUser), Bank_GetBalance(DestUser),
103 free(actualUsername);
109 * \brief Add money to an account
111 int DispenseAdd(int ActualUser, int User, int Ammount, const char *ReasonGiven)
114 char *dstName, *byName;
116 ret = _Transfer( Bank_GetAcctByName(COKEBANK_DEBT_ACCT), User, Ammount, ReasonGiven );
119 byName = Bank_GetAcctName(ActualUser);
120 dstName = Bank_GetAcctName(User);
122 Log_Info("add %i to %s by %s [balance %i] - %s",
123 Ammount, dstName, byName, Bank_GetBalance(User), ReasonGiven
132 int DispenseSet(int ActualUser, int User, int Balance, const char *ReasonGiven)
134 int curBal = Bank_GetBalance(User);
135 char *byName, *dstName;
137 _Transfer( Bank_GetAcctByName(COKEBANK_DEBT_ACCT), User, Balance-curBal, ReasonGiven );
139 byName = Bank_GetAcctName(ActualUser);
140 dstName = Bank_GetAcctName(User);
142 Log_Info("set balance of %s to %i by %s [balance %i] - %s",
143 dstName, Balance, byName, Bank_GetBalance(User), ReasonGiven
153 * \brief Donate money to the club
155 int DispenseDonate(int ActualUser, int User, int Ammount, const char *ReasonGiven)
158 char *srcName, *byName;
160 if( Ammount < 0 ) return 2;
162 ret = _Transfer( User, Bank_GetAcctByName(COKEBANK_DEBT_ACCT), Ammount, ReasonGiven );
165 byName = Bank_GetAcctName(ActualUser);
166 srcName = Bank_GetAcctName(User);
168 Log_Info("donate %i from %s by %s [balance %i] - %s",
169 Ammount, srcName, byName, Bank_GetBalance(User), ReasonGiven
178 // --- Internal Functions ---
179 int _GetMinBalance(int Account)
181 int flags = Bank_GetFlags(Account);
183 // Evil little piece of HACK:
184 // root's balance cannot be changed by any of the above functions
185 // - Stops dispenses as root by returning insufficent balance.
187 char *username = Bank_GetAcctName(Account);
188 if( strcmp(username, "root") == 0 )
196 // - Internal accounts have no lower bound
197 if( flags & USER_FLAG_INTERNAL ) return INT_MIN;
200 //if( flags & USER_FLAG_ADMIN ) return -1000;
203 //if( flags & USER_FLAG_COKE ) return -500;
205 // Anyone else, non-negative
210 * \brief Check if a transfer is possible
212 int _CanTransfer(int Source, int Destination, int Ammount)
216 if( Bank_GetBalance(Source) + Ammount < _GetMinBalance(Source) )
221 if( Bank_GetBalance(Destination) - Ammount < _GetMinBalance(Destination) )
227 int _Transfer(int Source, int Destination, int Ammount, const char *Reason)
229 if( !_CanTransfer(Source, Destination, Ammount) )
231 return Bank_Transfer(Source, Destination, Ammount, Reason);