64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#ifndef _POS_DB_H_
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#define _POS_DB_H_
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#include "common.h"
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#include "sha1.h"
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#include "log.h"
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#include <list>
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#include <map>
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#include <string>
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class PosDb {
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public:
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PosDb(const char * fn);
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uint32_t getAccountFromHash(const SHA1Hash & hash);
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std::list<std::string> getHashesFromAccount(uint32_t account);
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std::list<std::string> getHashesFromAccount(std::string account);
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int32_t getAccountBalance(const SHA1Hash & hash);
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int32_t getAccountBalance(uint32_t account);
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int32_t getAccountBalance(std::string account);
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uint64_t associateHash(const SHA1Hash & hash, uint32_t account);
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uint64_t associateHash(const SHA1Hash & hash, std::string account);
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uint64_t deassociateHash(const SHA1Hash & hash);
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uint64_t doTransaction(const SHA1Hash & hash, int32_t delta);
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uint64_t doTransaction(const uint32_t account, int32_t delta);
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uint64_t doTransaction(std::string account, int32_t delta);
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uint64_t revertTransaction(uint64_t serial);
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int32_t getUPCPrice(uint64_t upc);
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uint64_t setUPCPrice(uint64_t upc, int32_t price);
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int32_t getStock(uint64_t upc);
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uint64_t doStockChange(uint64_t upc, int32_t delta);
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std::string getUPCName(uint64_t upc);
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uint64_t setUPCName (uint64_t upc, std::string name);
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std::vector<std::string> toString();
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private:
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void acceptLogEntry(const LogEntry & l);
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std::multimap<uint32_t, SHA1Hash> account_to_hash;
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std::map<uint32_t, int32_t> account_to_balance;
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std::map<uint64_t, int32_t> upc_to_stock;
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std::map<uint64_t, int32_t> upc_to_price;
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std::map<uint64_t, std::string> upc_to_name;
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std::map<uint64_t, LogEntry> serial_to_object;
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Log log;
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};
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typedef std::multimap<uint32_t, SHA1Hash>::iterator ath_it;
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typedef std::map<uint32_t, int32_t>::iterator atb_it;
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typedef std::map<uint64_t, int32_t>::iterator uts_it;
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typedef std::map<uint64_t, LogEntry>::iterator sto_it;
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typedef std::pair<ath_it, ath_it> ath_it_r;
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#endif
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