/* 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/mm_ol_0019.pgc"
/* @tier easy @module mm @transform master-online */
/*
 * mm_ol_0019.pgc - 가맹점 등급변경 서비스 (MM_OL_0019)  [tier=easy]
 *
 * 신규 등급코드의 유효성(mm_grade_code 사용중 여부)을 확인한 뒤
 * mm_merchant.grade 를 UPDATE 하고, 등급변경 이력(mm_grade_hist)에
 * 이전등급/신규등급/변경자 행을 남긴다. (CRUD + 이력)
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "txcore.h"
#include "txcore_dbio.h"
#include "acq_util.h"
#include "mm_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 18 "app/online/mm_ol_0019.pgc"


TX_SERVICE(MM_OL_0019, ctx)
{
    /* exec sql begin declare section */
     
     
     
     
     
     
    
#line 23 "app/online/mm_ol_0019.pgc"
 char h_merch_id [ 16 ] ;
 
#line 24 "app/online/mm_ol_0019.pgc"
 char h_new_grade [ 4 ] ;
 
#line 25 "app/online/mm_ol_0019.pgc"
 char h_old_grade [ 4 ] ;
 
#line 26 "app/online/mm_ol_0019.pgc"
 char h_oper [ 16 ] ;
 
#line 27 "app/online/mm_ol_0019.pgc"
 char h_chg_date [ 9 ] ;
 
#line 28 "app/online/mm_ol_0019.pgc"
 long h_valid ;
/* exec sql end declare section */
#line 29 "app/online/mm_ol_0019.pgc"


    char merch_id[16];
    char new_grade[4];
    char oper[16];

    tx_log(TX_LOG_INFO, "[MM_OL_0019] 가맹점 등급변경 서비스 진입");

    if (tx_buf_get(ctx->in, "MERCHID", merch_id, sizeof(merch_id)) != TX_OK ||
        tx_buf_get(ctx->in, "GRADE",   new_grade, sizeof(new_grade)) != TX_OK ||
        tx_buf_get(ctx->in, "OPER",    oper,      sizeof(oper))      != TX_OK) {
        tx_log(TX_LOG_ERROR, "[MM_OL_0019] 필수 필드 누락");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1900");
        tx_return(ctx, TX_EINVAL, ctx->out);
        return;
    }

    strncpy(h_merch_id, merch_id, sizeof(h_merch_id) - 1);
    h_merch_id[sizeof(h_merch_id) - 1] = '\0';
    strncpy(h_new_grade, new_grade, sizeof(h_new_grade) - 1);
    h_new_grade[sizeof(h_new_grade) - 1] = '\0';
    strncpy(h_oper, oper, sizeof(h_oper) - 1);
    h_oper[sizeof(h_oper) - 1] = '\0';
    date_today(h_chg_date);

    /* 1) 신규 등급코드 유효성(사용중 'Y') 확인 */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count ( * ) from mm_grade_code where grade = $1  and use_yn = 'Y'", 
	ECPGt_char,(h_new_grade),(long)4,(long)1,(4)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_long,&(h_valid),(long)1,(long)1,sizeof(long), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 58 "app/online/mm_ol_0019.pgc"


    if (sqlca.sqlcode != TX_SQL_OK && sqlca.sqlcode != TX_SQL_NOTFOUND) {
        TX_DBIO_LOG_ERR("SELECT mm_grade_code");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1909");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }
    if (h_valid <= 0) {
        tx_log(TX_LOG_WARN, "[MM_OL_0019] 유효하지 않은 등급코드 grade=%s", new_grade);
        tx_buf_sets(ctx->out, "ERRCODE", "MM1901");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* 2) 현재 등급 조회(이력용 이전값 확보) */
    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select grade from mm_merchant where merch_id = $1 ", 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, 
	ECPGt_char,(h_old_grade),(long)4,(long)1,(4)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
#line 76 "app/online/mm_ol_0019.pgc"


    if (sqlca.sqlcode == TX_SQL_NOTFOUND) {
        tx_log(TX_LOG_WARN, "[MM_OL_0019] 가맹점 없음 merch=%s", merch_id);
        tx_buf_sets(ctx->out, "ERRCODE", "MM1902");
        tx_return(ctx, TX_ENOENT, ctx->out);
        return;
    }
    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("SELECT mm_merchant grade");
        tx_buf_sets(ctx->out, "ERRCODE", "MM1909");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    if (strcmp(h_old_grade, h_new_grade) == 0) {
        tx_log(TX_LOG_WARN, "[MM_OL_0019] 등급 변동 없음 merch=%s grade=%s",
               merch_id, new_grade);
        tx_buf_sets(ctx->out, "ERRCODE", "MM1903");
        tx_return(ctx, TX_FAIL, ctx->out);
        return;
    }

    /* 3) 트랜잭션: 등급 UPDATE + 이력 INSERT */
    if (tx_begin() != TX_OK)
        tx_log(TX_LOG_WARN, "[MM_OL_0019] tx_begin 경고");

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update mm_merchant set grade = $1  , upd_date = $2  where merch_id = $3 ", 
	ECPGt_char,(h_new_grade),(long)4,(long)1,(4)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_chg_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 106 "app/online/mm_ol_0019.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("UPDATE mm_merchant grade");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM1904");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into mm_grade_hist ( merch_id , old_grade , new_grade , chg_date , oper ) values ( $1  , $2  , $3  , $4  , $5  )", 
	ECPGt_char,(h_merch_id),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_old_grade),(long)4,(long)1,(4)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_new_grade),(long)4,(long)1,(4)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_chg_date),(long)9,(long)1,(9)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, 
	ECPGt_char,(h_oper),(long)16,(long)1,(16)*sizeof(char), 
	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);}
#line 118 "app/online/mm_ol_0019.pgc"


    if (sqlca.sqlcode != TX_SQL_OK) {
        TX_DBIO_LOG_ERR("INSERT mm_grade_hist");
        tx_abort();
        tx_buf_sets(ctx->out, "ERRCODE", "MM1905");
        tx_return(ctx, TX_EDB, ctx->out);
        return;
    }

    tx_commit();

    tx_buf_reset(ctx->out);
    tx_buf_sets(ctx->out, "MERCHID", merch_id);
    tx_buf_sets(ctx->out, "OLDGRADE", h_old_grade);
    tx_buf_sets(ctx->out, "NEWGRADE", h_new_grade);
    tx_buf_sets(ctx->out, "CHGDATE", h_chg_date);
    tx_buf_sets(ctx->out, "ERRCODE", RESP_OK);
    tx_log(TX_LOG_INFO, "[MM_OL_0019] 등급변경 완료 merch=%s %s->%s",
           merch_id, h_old_grade, h_new_grade);
    tx_return(ctx, TX_OK, ctx->out);
}
