Merge remote-tracking branch 'origin/master'

svc/queries/tbstok_exists_bulk.go

@@ -0,0 +1,106 @@
+package queries
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"strings"
+)
+
+// LookupTbStokExistsByCodes checks if tbStok contains records matching the given codes.
+// Match rules are aligned with costing usage:
+// - exact sKodu (ignoring spaces)
+// - exact sModel
+//
+// Returns a map[code]exists.
+func LookupTbStokExistsByCodes(ctx context.Context, mssqlDB *sql.DB, codes []string) (map[string]bool, error) {
+	if mssqlDB == nil {
+		return nil, fmt.Errorf("mssql db is nil")
+	}
+	norm := make([]string, 0, len(codes))
+	seen := map[string]struct{}{}
+	for _, c := range codes {
+		c = strings.TrimSpace(c)
+		if c == "" {
+			continue
+		}
+		if _, ok := seen[c]; ok {
+			continue
+		}
+		seen[c] = struct{}{}
+		norm = append(norm, c)
+	}
+	out := map[string]bool{}
+	for _, c := range norm {
+		out[c] = false
+	}
+	if len(norm) == 0 {
+		return out, nil
+	}
+
+	valParts := make([]string, 0, len(norm))
+	args := make([]any, 0, len(norm))
+	for i, code := range norm {
+		valParts = append(valParts, fmt.Sprintf("(@p%d)", i+1))
+		args = append(args, code)
+	}
+
+	// NOTE: This endpoint is a UX validation helper and must be fast.
+	// Keep predicates sargable: no function wrapping on tbStok columns.
+	//
+	// For "ignore spaces" behavior, we send both the original code and its no-space variant from input,
+	// and match via exact equality against tbStok.sKodu.
+	//
+	// IMPORTANT: We intentionally do not filter by IsBlocked here because IsBlocked is nullable and
+	// filtering requires OR logic, which can prevent index seeks and cause timeouts. This is a best-effort
+	// existence check for UX highlighting.
+	sqlText := fmt.Sprintf(`
+WITH C AS (
+  SELECT
+    LTRIM(RTRIM(V.code)) AS code,
+    REPLACE(LTRIM(RTRIM(V.code)), ' ', '') AS code_nospace
+  FROM (VALUES %s) AS V(code)
+),
+HIT AS (
+  SELECT DISTINCT C.code
+  FROM C
+  JOIN dbo.tbStok S WITH (NOLOCK)
+    ON S.sKodu = C.code
+     OR S.sKodu = C.code_nospace
+  UNION
+  SELECT DISTINCT C.code
+  FROM C
+  JOIN dbo.tbStok S WITH (NOLOCK)
+    ON S.sModel = C.code
+)
+SELECT
+  C.code,
+  CASE WHEN H.code IS NULL THEN 0 ELSE 1 END AS existsFlag
+FROM C
+LEFT JOIN HIT H
+  ON H.code = C.code
+`, strings.Join(valParts, ","))
+
+	rows, err := mssqlDB.QueryContext(ctx, sqlText, args...)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	for rows.Next() {
+		var code string
+		var existsFlag int
+		if err := rows.Scan(&code, &existsFlag); err != nil {
+			return nil, err
+		}
+		code = strings.TrimSpace(code)
+		if code == "" {
+			continue
+		}
+		out[code] = existsFlag == 1
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return out, nil
+}