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/***************************************************************************
begin : Tue May 03 2005
copyright : (C) 2019 by Martin Preuss
email : martin@libchipcard.de

***************************************************************************
* Please see toplevel file COPYING for license details *
***************************************************************************/

#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

/* local includes */
#include "globals.h"

/* Gwenhywfar includes */
#include <gwenhywfar/text.h>



/* forward declarations */
static GWEN_DB_NODE *_readCommandLine(GWEN_DB_NODE *dbArgs, int argc, char **argv);
static int _copyTransactionsAndFillGaps(AB_IMEXPORTER_CONTEXT *inCtx,
AB_ACCOUNT_SPEC_LIST *accountSpecList,
AB_IMEXPORTER_CONTEXT *outCtx);




int fillGaps(AB_BANKING *ab, GWEN_DB_NODE *dbArgs, int argc, char **argv)
{
GWEN_DB_NODE *db;
int rv;
const char *ctxFile;
int noWriteOnError=0;
AB_IMEXPORTER_CONTEXT *inCtx=NULL;
AB_IMEXPORTER_CONTEXT *outCtx=NULL;
AB_ACCOUNT_SPEC_LIST *accountSpecList=NULL;

/* parse command line arguments */
db=_readCommandLine(dbArgs, argc, argv);
if (db==NULL) {
/* error in command line */
return 1;
}

/* read arguments */
noWriteOnError=GWEN_DB_GetIntValue(db, "noWriteOnError", 0, 0);

/* go */
rv=AB_Banking_Init(ab);
if (rv) {
DBG_ERROR(0, "Error on init (%d)", rv);
return 2;
}

/* read in-context */
ctxFile=GWEN_DB_GetCharValue(db, "ctxfile", 0, 0);
rv=readContext(ctxFile, &inCtx, 0);
if (rv<0) {
DBG_ERROR(0, "Error reading context (%d)", rv);
AB_Banking_Fini(ab);
return 4;
}

/* read account list */
rv=AB_Banking_GetAccountSpecList(ab, &accountSpecList);
if (rv<0) {
DBG_INFO(0, "here (%d)", rv);
AB_Banking_Fini(ab);
return 4;
}

/* fill gaps */
outCtx=AB_ImExporterContext_new();
rv=_copyTransactionsAndFillGaps(inCtx, accountSpecList, outCtx);
if (rv<0) {
if (noWriteOnError) {
DBG_ERROR(0, "Some transactions could not be assigned to configured accounts, nothing written.");
AB_ImExporterContext_free(outCtx);
AB_Banking_Fini(ab);
return 4;
}
DBG_ERROR(0, "Some transactions could not be assigned to configured accounts, those have status=error");
}
AB_ImExporterContext_free(inCtx);

rv=writeContext(ctxFile, outCtx);
if (rv<0) {
DBG_ERROR(0, "Error writing context (%d)", rv);
AB_ImExporterContext_free(outCtx);
AB_Banking_Fini(ab);
return 4;
}
AB_ImExporterContext_free(outCtx);

/* that's it */
rv=AB_Banking_Fini(ab);
if (rv) {
fprintf(stderr, "ERROR: Error on deinit (%d)\n", rv);
return 5;
}

return 0;
}



GWEN_DB_NODE *_readCommandLine(GWEN_DB_NODE *dbArgs, int argc, char **argv)
{
GWEN_DB_NODE *db;
int rv;
const GWEN_ARGS args[]= {
{
GWEN_ARGS_FLAGS_HAS_ARGUMENT, /* flags */
GWEN_ArgsType_Char, /* type */
"ctxFile", /* name */
0, /* minnum */
1, /* maxnum */
"c", /* short option */
"ctxfile", /* long option */
"Specify the file to store the context in", /* short description */
"Specify the file to store the context in" /* long description */
},
{
0, /* flags */
GWEN_ArgsType_Int, /* type */
"noWriteOnError", /* name */
0, /* minnum */
1, /* maxnum */
0, /* short option */
"noWriteOnError", /* long option */
"Only write file if all transactions are okay", /* short description */
"Only write file if all transactions are okay" /* long description */
},
{
GWEN_ARGS_FLAGS_HELP | GWEN_ARGS_FLAGS_LAST, /* flags */
GWEN_ArgsType_Int, /* type */
"help", /* name */
0, /* minnum */
0, /* maxnum */
"h", /* short option */
"help", /* long option */
"Show this help screen", /* short description */
"Show this help screen" /* long description */
}
};

db=GWEN_DB_GetGroup(dbArgs, GWEN_DB_FLAGS_DEFAULT, "local");
rv=GWEN_Args_Check(argc, argv, 1,
0 /*GWEN_ARGS_MODE_ALLOW_FREEPARAM*/,
args,
db);
if (rv==GWEN_ARGS_RESULT_ERROR) {
fprintf(stderr, "ERROR: Could not parse arguments\n");
return NULL;
}
else if (rv==GWEN_ARGS_RESULT_HELP) {
GWEN_BUFFER *ubuf;

ubuf=GWEN_Buffer_new(0, 1024, 0, 1);
if (GWEN_Args_Usage(args, ubuf, GWEN_ArgsOutType_Txt)) {
fprintf(stderr, "ERROR: Could not create help string\n");
return NULL;
}
fprintf(stdout, "%s\n", GWEN_Buffer_GetStart(ubuf));
GWEN_Buffer_free(ubuf);
return NULL;
}

return db;
}




int _copyTransactionsAndFillGaps(AB_IMEXPORTER_CONTEXT *inCtx,
AB_ACCOUNT_SPEC_LIST *accountSpecList,
AB_IMEXPORTER_CONTEXT *outCtx)
{
AB_IMEXPORTER_ACCOUNTINFO *iea;
int allOk=1;
int transactionCount=0;

iea=AB_ImExporterContext_GetFirstAccountInfo(inCtx);
while (iea) {
const AB_TRANSACTION *t;

t=AB_ImExporterAccountInfo_GetFirstTransaction(iea, 0, 0);
while (t) {
AB_ACCOUNT_SPEC *as;
AB_TRANSACTION *tCopy=NULL;

tCopy=AB_Transaction_dup(t);

as=pickAccountSpecForTransaction(accountSpecList, tCopy);
if (as==NULL) {
DBG_ERROR(0, "Could not determine account for transaction %d", transactionCount);
allOk=0;
AB_Transaction_SetStatus(tCopy, AB_Transaction_StatusError);
}

/* fill missing fields in transaction from account spec */
AB_Banking_FillTransactionFromAccountSpec(tCopy, as);

/* add to new context */
AB_ImExporterContext_AddTransaction(outCtx, tCopy);

transactionCount++;
t=AB_Transaction_List_Next(t);
} /* while t */

iea=AB_ImExporterAccountInfo_List_Next(iea);
} /* while */

if (allOk==0)
return GWEN_ERROR_GENERIC;
return 0;
}



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