3 * UCC (University [of WA] Computer Club) Electronic Accounting System
5 * cokebank.h - Coke-Bank common definitions
7 * This file is licenced under the 3-clause BSD Licence. See the file COPYING
12 * \brief Coke Bank API Documentation
19 #define COKEBANK_SALES_ACCT ">sales" //!< Sales made into
20 #define COKEBANK_SALES_PREFIX ">sales:" //!< Sales made into
21 #define COKEBANK_DEBT_ACCT ">liability" //!< Credit taken out of
22 #define COKEBANK_FREE_ACCT ">freeitems" //!< ODay drink costs taken out of
25 * \brief Account iterator opaque structure
27 * Opaque structure for account iterators returned by Bank_Iterator
28 * and used by Bank_IteratorNext and Bank_DelIterator
30 typedef struct sAcctIterator tAcctIterator;
34 * \brief Iterator for a collection of items
36 typedef struct sItemIterator tItemIterator;
39 * \brief Item structure
51 * \brief Flag values for the \a Flags parameter to Bank_Iterator
55 BANK_ITFLAG_MINBALANCE = 0x01, //!< Balance value is Minium Balance
56 BANK_ITFLAG_MAXBALANCE = 0x02, //!< Balance value is Maximum Balance (higher priority)
57 BANK_ITFLAG_SEENAFTER = 0x04, //!< Last seen value is lower bound
58 BANK_ITFLAG_SEENBEFORE = 0x08, //!< Last seen value is upper bound (higher priority)
60 BANK_ITFLAG_SORT_NONE = 0x000, //!< No sorting (up to the implementation)
61 BANK_ITFLAG_SORT_NAME = 0x100, //!< Sort alphabetically ascending by name
62 BANK_ITFLAG_SORT_BAL = 0x200, //!< Sort by balance, ascending
63 BANK_ITFLAG_SORT_UNIXID = 0x300, //!< Sort by UnixUID (TODO: Needed?)
64 BANK_ITFLAG_SORT_LASTSEEN = 0x400, //!< Sort by last seen time (ascending)
65 BANK_ITFLAG_SORTMASK = 0x700, //!< Sort type mask
66 BANK_ITFLAG_REVSORT = 0x800 //!< Sort descending instead
69 * \brief Flag values for the \a Flags parameter to Items_Iterator
73 ITEMS_ITFLAG_SHOWDISABLED = 0x001, //!< Show disabled items
74 ITEMS_ITFLAG_SORT_NONE = 0x000, //!< No sorting (up to the implementation)
75 ITEMS_ITFLAG_SORT_NAME = 0x100, //!< Sort alphabetically ascending by name
76 ITEMS_ITFLAG_SORT_PRICE = 0x200, //!< Sort by price, ascending
77 ITEMS_ITFLAG_SORT_IDENT = 0x300, //!< Sort by Identifier (handler:id)
78 ITEMS_ITFLAG_SORTMASK = 0x700, //!< Sort type mask
79 ITEMS_ITFLAG_REVSORT = 0x800 //!< Sort descending instead
83 * \brief User flag values
85 * User flag values used by Bank_GetFlags and Bank_SetFlags
87 enum eCokebank_Flags {
88 USER_FLAG_COKE = 0x01, //!< User is a coke member (can do coke accounting)
89 USER_FLAG_ADMIN = 0x02, //!< User is a administrator (can create, delete and lock accounts)
90 USER_FLAG_DOORGROUP = 0x04, //!< User is in the door group (can open the clubroom door)
91 USER_FLAG_INTERNAL = 0x40, //!< Account is internal (cannot be authenticated, no lower balance limit)
92 USER_FLAG_DISABLED = 0x80 //!< Account is disabled (no transactions allowed)
95 // --- Cokebank Functions ---
97 * \brief Initialise the cokebank
98 * \param Argument Cokebank argument specified in the dispense config file (typically the database path)
99 * \return Boolean Failure
101 extern int Bank_Initialise(const char *Argument);
104 * \brief Transfer money from one account to another
105 * \param SourceAcct UID (from \a Bank_GetUserID) to take the money from
106 * \param DestAcct UID (from \a Bank_GetUserID) give money to
107 * \param Ammount Amount of money (in cents) to transfer
108 * \param Reason Reason for the transfer
110 extern int Bank_Transfer(int SourceAcct, int DestAcct, int Ammount, const char *Reason);
112 * \brief Get flags on an account
113 * \param AcctID UID to get flags from
114 * \return Flag set as defined in eCokebank_Flags
116 extern int Bank_GetFlags(int AcctID);
118 * \brief Set an account's flags
119 * \param AcctID UID to set flags on
120 * \param Mask Mask of flags changed
121 * \param Value Final value of changed flags
123 extern int Bank_SetFlags(int AcctID, int Mask, int Value);
125 * \brief Get an account's balance
126 * \param AcctID Account to query
128 extern int Bank_GetBalance(int AcctID);
130 * \brief Get the name associated with an account
131 * \return Heap string
133 extern char *Bank_GetAcctName(int AcctID);
135 * \brief Get an account ID from a passed name
136 * \param Name Name to search for
137 * \return ID of the account, or -1 if not found
139 extern int Bank_GetAcctByName(const char *Name, int bCreate);
141 * \brief Create a new account
142 * \param Name Name for the new account (if NULL, an anoymous account is created)
143 * \return ID of the new account
145 extern int Bank_CreateAcct(const char *Name);
148 * \brief Create an account iterator
149 * \param FlagMask Mask of account flags to check
150 * \param FlagValues Wanted values for checked flags
151 * \param Flags Specifies the operation of \a MinMaxBalance and \a Timestamp (\see eBank_ItFlags)
152 * \param MinMaxBalance Mininum/Maximum balance
153 * \param LastSeen Latest/Earliest last seen time
154 * \return Pointer to an iterator across the selected data set
156 extern tAcctIterator *Bank_Iterator(int FlagMask, int FlagValues,
157 int Flags, int MinMaxBalance, time_t LastSeen);
160 * \brief Get the current entry in the iterator and move to the next
161 * \param It Iterator returned by Bank_Iterator
162 * \return Accoun ID, or -1 for end of list
164 extern int Bank_IteratorNext(tAcctIterator *It);
167 * \brief Free an allocated iterator
168 * \param It Iterator returned by Bank_Iterator
170 extern void Bank_DelIterator(tAcctIterator *It);
173 * \brief Validates a user's authentication
174 * \param Salt Salt given to the client for hashing the password
175 * \param Username Username used
176 * \param Password Password sent by the client
179 extern int Bank_GetUserAuth(const char *Salt, const char *Username, const char *Password);
182 * \brief Get an account ID from a MIFARE card ID
183 * \param CardID MIFARE card ID
186 extern int Bank_GetAcctByCard(const char *CardID);
189 * \brief Add a card to an account
190 * \param AcctID Account ID
191 * \param CardID MIFARE card ID
192 * \return Boolean failure
194 * \retval 1 Bad account ID
195 * \retval 2 Card in use
197 extern int Bank_AddAcctCard(int AcctID, const char *CardID);
199 // === Item Manipulation ===
201 extern tItem *Items_GetItem(char *Handler, int ID);
203 * \brief Create an item iterator
204 * \return Pointer to an iterator across the selected data set
206 extern tItemIterator *Items_Iterator(int Flags, char *Handler, int MaxPrice);
209 * \brief Get the current entry in the iterator and move to the next
210 * \param It Iterator returned by Items_Iterator
211 * \return Item ID, or -1 for end of list
213 extern tItem *Items_IteratorNext(tItemIterator *It);
216 * \brief Free an allocated iterator
217 * \param It Iterator returned by Items_Iterator
219 extern void Items_DelIterator(tItemIterator *It);
223 // Server provided helper functions
226 * \brief Create a formatted string on the heap
227 * \param Format Format string
228 * \return Heap string
230 extern char *mkstr(const char *Format, ...);
233 * \brief Dispense log access
234 * \note Try not to over-use, only stuff that matters should go in here
236 extern void Log_Info(const char *Format, ...);