/* Processed by ecpg (15.18 (Debian 15.18-0+deb12u1)) */ /* These include files are added by the preprocessor */ #include #include #include /* End of automatic include section */ #line 1 "app/online/st_ol_0028.pgc" /* @tier easy @module st @transform settlement-online */ /* * st_ol_0028.pgc - 프로모션 할인 정산 (ST_OL_0028) [tier=easy] * * 프로모션 할인요율(만분율)을 매출에 적용하여 할인액을 산출하되, * 프로모션 예산 한도(cap)를 상한으로 실 청구금액을 계산한다. 프로모션 * 예산 마스터(st_promo)에서 요율/잔여예산을 조회하고 소진분을 차감한다. */ #include #include #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_0028.pgc" static long st_fee_round(long amount, long rate_bp) { /* 요율(만분율, basis point) x 금액 -> 원단위 반올림 (BigDecimal HALF_UP 대응) */ if (amount < 0) return -(((-amount) * rate_bp + 5000) / 10000); return (amount * rate_bp + 5000) / 10000; } TX_SERVICE(ST_OL_0028, ctx) { /* exec sql begin declare section */ #line 31 "app/online/st_ol_0028.pgc" char h_promo [ 12 ] ; #line 32 "app/online/st_ol_0028.pgc" long h_promo_bp ; #line 33 "app/online/st_ol_0028.pgc" long h_remain_budget ; #line 34 "app/online/st_ol_0028.pgc" long h_discount ; #line 35 "app/online/st_ol_0028.pgc" long h_affected ; /* exec sql end declare section */ #line 36 "app/online/st_ol_0028.pgc" char merch[16], promo[12]; long amount = 0, promo_bp = 0, cap = 0, discount, charged; int budget_applied = 0; tx_log(TX_LOG_INFO, "[ST_OL_0028] 프로모션 할인 정산 진입"); if (tx_buf_get(ctx->in, "MERCHID", merch, sizeof(merch)) != TX_OK) { tx_return(ctx, TX_EINVAL, ctx->out); return; } if (tx_buf_get(ctx->in, "PROMO", promo, sizeof(promo)) != TX_OK) strncpy(promo, "DEFAULT", sizeof(promo) - 1); tx_buf_getlong(ctx->in, "AMOUNT", &amount); tx_buf_getlong(ctx->in, "PROMOBP", &promo_bp); tx_buf_getlong(ctx->in, "CAP", &cap); /* 프로모션 예산 조회 (요율/잔여예산) */ strncpy(h_promo, promo, sizeof(h_promo) - 1); h_promo[sizeof(h_promo) - 1] = '\0'; h_promo_bp = 0; h_remain_budget = 0; { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select promo_bp , remain_budget from st_promo where promo_code = $1 ", ECPGt_char,(h_promo),(long)12,(long)1,(12)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_long,&(h_promo_bp),(long)1,(long)1,sizeof(long), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_long,&(h_remain_budget),(long)1,(long)1,sizeof(long), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);} #line 62 "app/online/st_ol_0028.pgc" if (sqlca.sqlcode == TX_SQL_OK) { if (promo_bp <= 0) promo_bp = h_promo_bp; if (cap <= 0) cap = h_remain_budget; budget_applied = 1; } else if (sqlca.sqlcode != TX_SQL_NOTFOUND) { TX_DBIO_LOG_ERR("SELECT st_promo"); } if (promo_bp <= 0) promo_bp = 500; /* 5% 할인 */ if (cap <= 0) cap = 10000; /* 프로모션 상한 1만원 */ if (!amount_is_valid(amount)) { tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_INVALID); tx_return(ctx, TX_EINVAL, ctx->out); return; } discount = st_fee_round(amount, promo_bp); if (discount > cap) discount = cap; charged = amount - discount; /* 예산 소진 반영 */ if (budget_applied && discount > 0) { h_discount = discount; if (tx_begin() != TX_OK) tx_log(TX_LOG_WARN, "[ST_OL_0028] tx_begin 경고"); { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "update st_promo set remain_budget = remain_budget - $1 , upd_ts = now ( ) where promo_code = $2 and remain_budget >= $3 ", ECPGt_long,&(h_discount),(long)1,(long)1,sizeof(long), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_char,(h_promo),(long)12,(long)1,(12)*sizeof(char), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_long,&(h_discount),(long)1,(long)1,sizeof(long), ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);} #line 92 "app/online/st_ol_0028.pgc" if (sqlca.sqlcode != TX_SQL_OK) { TX_DBIO_LOG_ERR("UPDATE st_promo 예산소진"); tx_abort(); } else { h_affected = sqlca.sqlerrd[2]; tx_commit(); if (h_affected == 0) tx_log(TX_LOG_WARN, "[ST_OL_0028] 예산부족 promo=%s", promo); } } tx_buf_reset(ctx->out); tx_buf_sets(ctx->out, "RESPCODE", RESP_OK); tx_buf_sets(ctx->out, "MERCHID", merch); tx_buf_sets(ctx->out, "PROMO", promo); tx_buf_setlong(ctx->out, "DISCOUNT", discount); tx_buf_setlong(ctx->out, "CHARGED", charged); tx_log(TX_LOG_INFO, "[ST_OL_0028] 프로모션 %s amount=%ld 할인=%ld 청구=%ld", promo, amount, discount, charged); tx_return(ctx, TX_OK, ctx->out); }