Transaction.h

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 * 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.              *
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 * GNU General Public License for more details.                     *
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\********************************************************************/
#ifndef XACC_TRANSACTION_H
#define XACC_TRANSACTION_H

typedef struct _TransactionClass TransactionClass;

#include <time.h>

#include "gnc-commodity.h"
#include "gnc-engine.h"
#include "Split.h"

/* --- type macros --- */
#define GNC_TYPE_TRANSACTION            (gnc_transaction_get_type ())
#define GNC_TRANSACTION(o)              \
     (G_TYPE_CHECK_INSTANCE_CAST ((o), GNC_TYPE_TRANSACTION, Transaction))
#define GNC_TRANSACTION_CLASS(k)        \
     (G_TYPE_CHECK_CLASS_CAST((k), GNC_TYPE_TRANSACTION, TransactionClass))
#define GNC_IS_TRANSACTION(o)           \
     (G_TYPE_CHECK_INSTANCE_TYPE ((o), GNC_TYPE_TRANSACTION))
#define GNC_IS_TRANSACTION_CLASS(k)     \
     (G_TYPE_CHECK_CLASS_TYPE ((k), GNC_TYPE_TRANSACTION))
#define GNC_TRANSACTION_GET_CLASS(o)    \
     (G_TYPE_INSTANCE_GET_CLASS ((o), GNC_TYPE_TRANSACTION, TransactionClass))
GType gnc_transaction_get_type(void);


/* FIXME: These macros are not consistent with the type name */
#define GNC_IS_TRANS(obj)  GNC_IS_TRANSACTION(obj)
#define GNC_TRANS(obj)     GNC_TRANSACTION(obj)

#define TXN_TYPE_NONE    '\0' 
#define TXN_TYPE_INVOICE 'I'  
#define TXN_TYPE_PAYMENT 'P'  
/* --------------------------------------------------------------- */
/* Transactions */

Transaction * xaccMallocTransaction (QofBook *book); 

void          xaccTransDestroy (Transaction *trans);

Transaction * xaccTransClone (const Transaction *t);

gboolean xaccTransEqual(const Transaction *ta,
                        const Transaction *tb,
                        gboolean check_guids,
                        gboolean check_splits,
                        gboolean check_balances,
                        gboolean assume_ordered);

void          xaccTransBeginEdit (Transaction *trans);

void          xaccTransCommitEdit (Transaction *trans);

void          xaccTransRollbackEdit (Transaction *trans);

gboolean      xaccTransIsOpen (const Transaction *trans);

Transaction * xaccTransLookup (const GUID *guid, QofBook *book);
#define xaccTransLookupDirect(g,b) xaccTransLookup(&(g),b)

Split * xaccTransFindSplitByAccount(const Transaction *trans, 
                                    const Account *acc);

void xaccTransScrubGains (Transaction *trans, Account *gain_acc);


guint gnc_book_count_transactions(QofBook *book);

void          xaccTransSortSplits (Transaction *trans);

void          xaccTransSetTxnType (Transaction *trans, char type);
char          xaccTransGetTxnType (const Transaction *trans);


void          xaccTransSetNum (Transaction *trans, const char *num);
void          xaccTransSetDescription (Transaction *trans, const char *desc);
void          xaccTransSetNotes (Transaction *trans, const char *notes);

const char *  xaccTransGetNum (const Transaction *trans);
const char *  xaccTransGetDescription (const Transaction *trans);
const char *  xaccTransGetNotes (const Transaction *trans);


#define xaccTransAppendSplit(t, s) xaccSplitSetParent((s), (t))

Split *       xaccTransGetSplit (const Transaction *trans, int i);

int xaccTransGetSplitIndex(const Transaction *trans, const Split *split);

SplitList *   xaccTransGetSplitList (const Transaction *trans);
gboolean xaccTransStillHasSplit(const Transaction *trans, const Split *s);


void          xaccTransSetReadOnly (Transaction *trans, const char *reason);
void          xaccTransClearReadOnly (Transaction *trans);
const char *  xaccTransGetReadOnly (const Transaction *trans);

int           xaccTransCountSplits (const Transaction *trans);

gboolean      xaccTransHasReconciledSplits (const Transaction *trans);
gboolean      xaccTransHasReconciledSplitsByAccount (const Transaction *trans,
                                                     const Account *account);

gboolean      xaccTransHasSplitsInState (const Transaction *trans, const char state);
gboolean      xaccTransHasSplitsInStateByAccount (const Transaction *trans,
                                                  const char state,
                                                  const Account *account);


gnc_commodity * xaccTransGetCurrency (const Transaction *trans);

void xaccTransSetCurrency (Transaction *trans, gnc_commodity *curr);

gnc_numeric xaccTransGetImbalance (const Transaction * trans);

gnc_numeric xaccTransGetAccountValue (const Transaction *trans, 
                                      const Account *account);

gnc_numeric xaccTransGetAccountAmount (const Transaction *trans,
                                       const Account *account);

/* Compute the conversion rate for the transaction to this account.
 * Any "split value" (which is in the transaction currency),
 * multiplied by this conversion rate, will give you the value you
 * should display for this account.
 *
 * If 'acc' is NULL, return unity.
 */
gnc_numeric xaccTransGetAccountConvRate(Transaction *txn, Account *acc);

gnc_numeric xaccTransGetAccountBalance (const Transaction *trans,
                                        const Account *account);

int  xaccTransOrder     (const Transaction *ta, const Transaction *tb);

void          xaccTransSetDate (Transaction *trans,
                                int day, int mon, int year);

#define xaccTransSetDateSecs xaccTransSetDatePostedSecs
void          xaccTransSetDatePostedSecs (Transaction *trans, time_t time);

void          xaccTransSetDatePostedTS (Transaction *trans,
                                        const Timespec *ts);

void          xaccTransSetDateEnteredSecs (Transaction *trans, time_t time);
void          xaccTransSetDateEnteredTS (Transaction *trans,
                                        const Timespec *ts);

void          xaccTransSetDateDueTS (Transaction *trans, const Timespec *ts);

time_t        xaccTransGetDate (const Transaction *trans);
void          xaccTransGetDatePostedTS (const Transaction *trans, Timespec *ts);
Timespec      xaccTransRetDatePostedTS (const Transaction *trans);

void          xaccTransGetDateEnteredTS (const Transaction *trans, Timespec *ts);
Timespec      xaccTransRetDateEnteredTS (const Transaction *trans);

Timespec      xaccTransRetDateDueTS (const Transaction *trans);
void          xaccTransGetDateDueTS (const Transaction *trans, Timespec *ts);
/********************************************************************\
 * Miscellaneous utility routines.
\********************************************************************/


void xaccTransVoid(Transaction *transaction, 
                   const char *reason);

void xaccTransUnvoid(Transaction *transaction);

Transaction * xaccTransReverse(Transaction *transaction);

Transaction * xaccTransGetReversedBy(const Transaction *trans);

gboolean xaccTransGetVoidStatus(const Transaction *transaction);

const char *xaccTransGetVoidReason(const Transaction *transaction);

Timespec xaccTransGetVoidTime(const Transaction *tr);
#define TRANS_KVP               "kvp"
#define TRANS_NUM               "num"
#define TRANS_DESCRIPTION       "desc"
#define TRANS_DATE_ENTERED      "date-entered"
#define TRANS_DATE_POSTED       "date-posted"
#define TRANS_DATE_DUE          "date-due"
#define TRANS_IMBALANCE         "trans-imbalance"
#define TRANS_IS_BALANCED       "trans-balanced?"
#define TRANS_NOTES             "notes"
#define TRANS_TYPE              "type"
#define TRANS_VOID_STATUS       "void-p"
#define TRANS_VOID_REASON       "void-reason"
#define TRANS_VOID_TIME         "void-time"
#define TRANS_SPLITLIST         "split-list" /* for guid_match_all */

#define RECONCILED_MATCH_TYPE   "reconciled-match"

#define xaccTransGetBook(X)      qof_instance_get_book (QOF_INSTANCE(X))

#define xaccTransGetGUID(X)      qof_entity_get_guid(QOF_INSTANCE(X))

#define xaccTransReturnGUID(X) (X ? *(qof_entity_get_guid(QOF_INSTANCE(X))) : *(guid_null()))

#define xaccTransGetSlots(X)     qof_instance_get_slots (QOF_INSTANCE(X))

#endif /* XACC_TRANSACTION_H */

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