/* Processed by ecpg (15.18 (Debian 15.18-0+deb12u1)) */
/* These include files are added by the preprocessor */
#include <ecpglib.h>
#include <ecpgerrno.h>
#include <sqlca.h>
/* End of automatic include section */

#line 1 "app/online/st_ol_0021.pgc"
/* @tier easy @module st @transform settlement-online */
/*
 * st_ol_0021.pgc - 정산 취소 처리 (ST_OL_0021)  [tier=easy]
 *
 * 정산 원장 건을 취소한다. 이미 정산완료(S) 건은 취소 불가로 반려하고,
 * 그 외 상태는 취소(U)로 전이한다. 상태 전이는 원장(st_ledger)에 직접
 * 임베디드 UPDATE (정산완료 제외 조건) 로 반영한다.
 */
#include <stdio.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "st_core.h"


#line 1 "/usr/include/postgresql/sqlca.h"
#ifndef POSTGRES_SQLCA_H
#define POSTGRES_SQLCA_H

#ifndef PGDLLIMPORT
#if  defined(WIN32) || defined(__CYGWIN__)
#define PGDLLIMPORT __declspec (dllimport)
#else
#define PGDLLIMPORT
#endif							/* __CYGWIN__ */
#endif							/* PGDLLIMPORT */

#define SQLERRMC_LEN	150

#ifdef __cplusplus
extern "C"
{
#endif

struct sqlca_t
{
	char		sqlcaid[8];
	long		sqlabc;
	long		sqlcode;
	struct
	{
		int			sqlerrml;
		char		sqlerrmc[SQLERRMC_LEN];
	}			sqlerrm;
	char		sqlerrp[8];
	long		sqlerrd[6];
	/* Element 0: empty						*/
	/* 1: OID of processed tuple if applicable			*/
	/* 2: number of rows processed				*/
	/* after an INSERT, UPDATE or				*/
	/* DELETE statement					*/
	/* 3: empty						*/
	/* 4: empty						*/
	/* 5: empty						*/
	char		sqlwarn[8];
	/* Element 0: set to 'W' if at least one other is 'W'	*/
	/* 1: if 'W' at least one character string		*/
	/* value was truncated when it was			*/
	/* stored into a host variable.             */

	/*
	 * 2: if 'W' a (hopefully) non-fatal notice occurred
	 */	/* 3: empty */
	/* 4: empty						*/
	/* 5: empty						*/
	/* 6: empty						*/
	/* 7: empty						*/

	char		sqlstate[5];
};

struct sqlca_t *ECPGget_sqlca(void);

#ifndef POSTGRES_ECPG_INTERNAL
#define sqlca (*ECPGget_sqlca())
#endif

#ifdef __cplusplus
}
#endif

#endif

#line 17 "app/online/st_ol_0021.pgc"



TX_SERVICE(ST_OL_0021, ctx)
{
    /* exec sql begin declare section */
     
     
     
    
#line 23 "app/online/st_ol_0021.pgc"
 char h_key [ 16 ] ;
 
#line 24 "app/online/st_ol_0021.pgc"
 char h_status [ 2 ] ;
 
#line 25 "app/online/st_ol_0021.pgc"
 long h_affected ;
/* exec sql end declare section */
#line 26 "app/online/st_ol_0021.pgc"


    char key[16];

    tx_log(TX_LOG_INFO, "[ST_OL_0021] 정산 취소 처리 진입");

    if (tx_buf_get(ctx->in, "KEY", key, sizeof(key)) != TX_OK) {
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    /* 현재 상태 확인 */
    strncpy(h_key, key, sizeof(h_key) - 1);
    h_key[sizeof(h_key) - 1] = '\0';
    memset(h_status, 0, sizeof(h_status));
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select status from st_ledger where key = $1 ", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_char,(h_status),(long)2,(long)1,(2)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 44 "app/online/st_ol_0021.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT st_ledger 상태");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    if (memcmp(h_status, ST_ST_SETTLED, 1) == 0) {
        tx_log(TX_LOG_WARN, "[ST_OL_0021] 정산완료 건 취소불가 key=%s", key);
        tx_buf_reset(ctx->out);
        tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID);
        tx_buf_sets(ctx->out, "REASON", "ALREADY_SETTLED");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* 취소(U) 전이 - 정산완료 제외 보호조건 */
    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[ST_OL_0021] tx_begin 경고");

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update st_ledger set status = 'U' , upd_ts = now ( ) where key = $1  and status <> 'S'", 
	ECPGt_char,(h_key),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 72 "app/online/st_ol_0021.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("UPDATE st_ledger 취소");
        tx_abort();
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    h_affected = sqlca.sqlerrd[2];
    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "RESPCODE", RESP_OK);
    tx_buf_sets(ctx->out, "KEY", key);
    tx_buf_sets(ctx->out, "STATUS", ST_ST_FAIL);
    tx_buf_setlong(ctx->out, "AFFECTED", (long)h_affected);
    tx_log(TX_LOG_INFO, "[ST_OL_0021] 취소완료 key=%s 반영=%ld", key, (long)h_affected);
    tx_return(ctx, TX_OK, ctx->out);
}
