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kmymoney/kmymoney2/mymoney/mymoneytransaction.h

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/***************************************************************************
mymoneytransaction.h
-------------------
copyright : (C) 2000 by Michael Edwardes
(C) 2002 by Thomas Baumgart
email : mte@users.sourceforge.net
ipwizard@users.sourceforge.net
***************************************************************************/
/***************************************************************************
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 of the License, or *
* (at your option) any later version. *
* *
***************************************************************************/
#ifndef MYMONEYTRANSACTION_H
#define MYMONEYTRANSACTION_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
// ----------------------------------------------------------------------------
// QT Includes
#include <tqstring.h>
#include <tqdatetime.h>
#include <tqptrlist.h>
#include <tqstringlist.h>
// ----------------------------------------------------------------------------
// Project Includes
#include "mymoneyutils.h"
#include "mymoneymoney.h"
#include "mymoneykeyvaluecontainer.h"
#include "mymoneysplit.h"
#include <kmymoney/export.h>
/**
* This class represents a transaction within the MyMoneyEngine. A transaction
* contains none, one or more splits of type MyMoneySplit. They are stored in
* a TQValueList<MyMoneySplit> within this object. A transaction containing only
* a single split with an amount not equal to 0 is an unbalanced transaction. It
* is tolerated by the engine, but in general not a good idea as it is financially
* wrong.
*/
class KMYMONEY_EXPORT MyMoneyTransaction : public MyMoneyObject, public MyMoneyKeyValueContainer
{
public:
MyMoneyTransaction();
MyMoneyTransaction(const TQString id,
const MyMoneyTransaction& transaction);
/**
* @param node reference to TQDomNode
* @param forceId see MyMoneyObject(const TQDomElement&, const bool)
*/
MyMoneyTransaction(const TQDomElement& node, const bool forceId = true);
~MyMoneyTransaction();
public:
friend TQDataStream &operator<<(TQDataStream &, MyMoneyTransaction &);
friend TQDataStream &operator>>(TQDataStream &, MyMoneyTransaction &);
// Simple get operations
const TQDate& entryDate(void) const { return m_entryDate; };
const TQDate& postDate(void) const { return m_postDate; };
const TQString& memo(void) const { return m_memo; };
const TQValueList<MyMoneySplit>& splits(void) const { return m_splits; };
TQValueList<MyMoneySplit>& splits(void) { return m_splits; };
unsigned int splitCount(void) const { return m_splits.count(); };
const TQString& commodity(void) const { return m_commodity; };
const TQString& bankID(void) const /*__attribute__ ((deprecated))*/ { return m_bankID; };
// Simple set operations
void setPostDate(const TQDate& date);
void setEntryDate(const TQDate& date);
void setMemo(const TQString& memo);
void setCommodity(const TQString& commodityId) { m_commodity = commodityId; };
void setBankID(const TQString& bankID) /*__attribute__ ((deprecated))*/ { m_bankID = bankID; };
bool operator == (const MyMoneyTransaction&) const;
inline bool operator != (const MyMoneyTransaction& r) const { return !(*this == r); };
bool operator< (const MyMoneyTransaction& r) const { return postDate() < r.postDate(); };
bool operator<= (const MyMoneyTransaction& r) const { return postDate() <= r.postDate(); };
bool operator> (const MyMoneyTransaction& r) const { return postDate() > r.postDate(); };
/**
* This method is used to extract a split for a given accountId
* from a transaction. A parameter controls, whether the accountId
* should match or not. In case of 'not match', the first not-matching
* split is returned.
*
* @param accountId the account to look for
* @param match if true, the account Id must match
* if false, the account Id must not match
*
* @return reference to split within the transaction is returned
*/
const MyMoneySplit& splitByAccount(const TQString& accountId, const bool match = true) const;
/**
* This method is essentially the same as the previous method, except that
* takes a list of accounts instead of just one.
*
* @param accountIds the list of accounts to look for
* @param match if true, the account Id must match
* if false, the account Id must not match
*
* @return reference to split within the transaction is returned
*/
const MyMoneySplit& splitByAccount(const TQStringList& accountIds, const bool match = true) const;
/**
* This method is used to extract a split from a transaction.
*
* @param splitId the split to look for
*
* @return reference to split within the transaction is returned
*/
const MyMoneySplit& splitById(const TQString& splitId) const;
/**
* This method is used to extract a split for a given payeeId
* from a transaction.
*
* @param payeeId the payee to look for
*
* @return reference to split within the transaction is returned
*/
const MyMoneySplit& splitByPayee(const TQString& payeeId) const;
/**
* This method is used to check if the given account is used
* in any of the splits of this transation
*
* @param id account id that should be checked for usage
*/
bool accountReferenced(const TQString& id) const;
/**
* This method is used to add a split to the transaction. The split
* will be assigned an id. The id member must be empty and the
* accountId member must be filled.
*
* @param split reference to the split that should be added
*
*/
void addSplit(MyMoneySplit& split);
/**
* This method is used to modify a split in a transaction
*/
void modifySplit(MyMoneySplit& split);
/**
* This method is used to remove a split from a transaction
*/
void removeSplit(const MyMoneySplit& split);
/**
* This method is used to remove all splits from a transaction
*/
void removeSplits(void);
/**
* This method is used to return the sum of all splits of this transaction
*
* @return MyMoneyMoney value of sum of all splits
*/
const MyMoneyMoney splitSum(void) const;
/**
* This method returns information if the transaction
* contains information of a loan payment or not.
* Loan payment transactions have at least one
* split that is identified with a MyMoneySplit::action() of type
* MyMoneySplit::ActionAmortization.
*
* @retval false transaction is no loan payment transaction
* @retval true transaction is a loan payment transaction
*
* @note Upon internal failures, the return value @p false will be used.
*/
bool isLoanPayment(void) const;
/**
* This method returns a const reference to the amortization split.
* In case none is found, a reference to an empty split will be returned.
*/
const MyMoneySplit& amortizationSplit(void) const;
/**
* This method returns a const reference to the interest split.
* In case none is found, a reference to an empty split will be returned.
*/
const MyMoneySplit& interestSplit(void) const;
/**
* This method is used to check if two transactions are identical.
* Identical transactions have:
*
* - the same number of splits
* - reference the same accounts
* - have the same values in the splits
* - have a postDate wihtin 3 days
*
* @param transaction reference to the transaction to be checked
* against this transaction
* @retval true transactions are identical
* @retval false transactions are not identical
*/
bool isDuplicate(const MyMoneyTransaction& transaction) const;
/**
* returns @a true if this is a stock split transaction
*/
bool isStockSplit(void) const;
/**
* returns @a true if this is an imported transaction
*/
bool isImported(void) const;
/**
* Sets the imported state of this transaction to be the value of @a state .
* @p state defaults to @p true.
*/
void setImported(bool state = true);
/**
* This static method returns the id which will be assigned to the
* first split added to a transaction. This ID can be used to figure
* out the split that references the account through which a transaction
* was entered.
*
* @return TQString with ID of the first split of transactions
*/
static const TQString firstSplitID(void);
void writeXML(TQDomDocument& document, TQDomElement& tqparent) const;
/**
* This method checks if a reference to the given object exists. It returns,
* a @p true if the object is referencing the one requested by the
* parameter @p id. If it does not, this method returns @p false.
*
* @param id id of the object to be checked for references
* @retval true This object references object with id @p id.
* @retval false This object does not reference the object with id @p id.
*/
virtual bool hasReferenceTo(const TQString& id) const;
/**
* Checks whether any split contains an autocalc split.
*
* @retval true at least one split has an autocalc value
* @retval false all splits have fixed values
*/
bool hasAutoCalcSplit(void) const;
/**
* Returns a signature consisting of the account ids and the
* number of times they occur in the transaction if @a includeSplitCount
* is @a true. The signature is independant from the order of splits.
*
* Example: Having splits referencing the account B, A and B, the returned
* value will be "A-B" if @p includeSplitCount is @p false or A*1-B*2 if it
* is @p true.
*
* The same result will be returned if the list of splits is A, B, B.
*
* @param includeSplitCount if @p true, the string @p *n with @p n being
* the number of splits referencing this account. The default for
* this parameter is @p false.
*/
TQString accountSignature(bool includeSplitCount = false) const;
TQString uniqueSortKey(void) const;
/**
* This module implements an algorithm used by P.J. Weinberger
* for fast hashing. Source: COMPILERS by Alfred V. Aho,
* pages 435-437.
*
* It converts the string passed in @p txt into a non-unique
* unsigned long integer value.
*
* @param txt the text to be hashed
* @param h initial hash value (default 0)
* @return non-unique hash value of the text @p txt
*/
static unsigned long hash(const TQString& txt, unsigned long h = 0);
private:
/**
* This method returns the next id to be used for a split
*/
const TQString nextSplitID(void);
private:
static const int SPLIT_ID_SIZE = 4;
/**
* This member contains the date when the transaction was entered
* into the engine
*/
TQDate m_entryDate;
/**
* This member contains the date the transaction was posted
*/
TQDate m_postDate;
/**
* This member keeps the memo text associated with this transaction
*/
TQString m_memo;
/**
* This member contains the splits for this transaction
*/
TQValueList<MyMoneySplit> m_splits;
/**
* This member keeps the unique numbers of splits within this
* transaction. Upon creation of a MyMoneyTransaction object this
* value will be set to 1.
*/
unsigned int m_nextSplitID;
/**
* This member keeps the base commodity (e.g. currency) for this transaction
*/
TQString m_commodity;
/**
* This member keeps the bank's unique ID for the transaction, so we can
* avoid duplicates. This is only used for electronic statement downloads.
*
* Note this is now deprecated! Bank ID's should be set on splits, not transactions.
*/
TQString m_bankID;
/** constants for unique sort key */
static const int YEAR_SIZE = 4;
static const int MONTH_SIZE = 2;
static const int DAY_SIZE = 2;
};
#endif