누계 데이터 출력 추가.

manager/lib/lib.php

@@ -384,7 +384,53 @@ function get_total_count($db_name) {
 		return sql_fetch($query);  // 결과 없으면 false 반환
 	}
 
+// 누계 구하기
+function getBakeryInvenSummaryData($date, $ord_by = "b.product_name ASC") {
+	global $fg;
 
+	// 해당 월의 시작일과 종료일 계산
+	$month_start = date('Y-m-01', strtotime($date));
+	$month_end = $date;
+
+	// 전월 마지막 날짜 계산
+	$prev_month_last_day = date('Y-m-t', strtotime($month_start . ' -1 month'));
+
+	// 전월 current_stock 조회
+	$prev_query = "
+		SELECT SUM(current_stock) AS total_previous_stock
+		FROM {$fg['bakery_inventory_table']} AS a
+		LEFT JOIN {$fg['bakery_product_table']} AS b
+			ON a.barcode = b.barcode
+		WHERE b.used = 1
+			AND a.date = '{$prev_month_last_day}'
+	";
+	$prev_result = sql_fetch($prev_query);
+	$total_previous_stock = $prev_result['total_previous_stock'] ?? '';
+
+	// 현재 월 누적 합산 조회
+	$query = "
+		SELECT 
+			SUM(a.production) AS total_production,
+			SUM(a.inhouse_use) AS total_inhouse_use,
+			SUM(a.recycling) AS total_recycling,
+			SUM(a.disposal) AS total_disposal,
+			SUM(a.sales) AS total_sales,
+			SUM(a.sales_amount) AS total_sales_amount,
+			SUM(a.menu_discount) AS total_menu_discount,
+			SUM(a.payment_amount) AS total_payment_amount
+		FROM {$fg['bakery_inventory_table']} AS a
+		LEFT JOIN {$fg['bakery_product_table']} AS b
+			ON a.barcode = b.barcode
+		WHERE b.used = 1
+			AND a.date BETWEEN '{$month_start}' AND '{$month_end}'
+	";
+	$result = sql_fetch($query);
+
+	// previous_stock 추가
+	$result['total_previous_stock'] = $total_previous_stock;
+
+	return $result;
+}
 
 	// 전체 품명 불러오기
 	function getBakeryProductList($ord_by = "ASC") {