filters

app/utils/query/filters/filters.go

@@ -55,7 +55,9 @@ func WhereFromStrings(column, conditionOperator, value string) Filter {
 		value = strings.ReplaceAll(value, "~", "")
 
 		filt = func(d *gorm.DB) *gorm.DB {
-			return d.Where("lower("+column+`) LIKE lower(?)`, "%"+value+"%")
+			// return d.Where("lower("+column+`) LIKE lower(?)`, "%"+value+"%")
+			// (jeśli masz collation case-insensitive, np. utf8mb4_general_ci)
+			return d.Where(column+` LIKE ?`, "%"+value+"%")
 
 		}
 
@@ -65,6 +67,33 @@ func WhereFromStrings(column, conditionOperator, value string) Filter {
 		}
 	}
 
+	// Handle IN operator for comma-separated values (e.g., product_id_in=1,2,3,4)
+	if conditionOperator == "IN" {
+		parts := strings.Split(value, ",")
+		var values []interface{}
+		for _, p := range parts {
+			p = strings.TrimSpace(p)
+			if p == "" {
+				continue
+			}
+			// Try to parse as int first
+			if i, err := strconv.ParseInt(p, 10, 64); err == nil {
+				values = append(values, i)
+			} else if f, err := strconv.ParseFloat(p, 64); err == nil {
+				values = append(values, f)
+			} else {
+				values = append(values, p)
+			}
+		}
+		filt = func(d *gorm.DB) *gorm.DB {
+			return d.Where(column+" IN ?", values)
+		}
+		return Filter{
+			category: WHERE_FILTER,
+			filter:   filt,
+		}
+	}
+
 	if strings.Contains(value, "]") && strings.Contains(value, "[") {
 		period := strings.ReplaceAll(value, "[", "")
 		period = strings.ReplaceAll(period, "]", "")

app/utils/query/query_params/where_scope_from_query.go

@@ -46,7 +46,7 @@ func ParseWhereScopes[T any](c fiber.Ctx, ignoredKeys []string, formColumnMappin
 }
 
 func extractOperator(key string) (base string, operatorSuffix string) {
-	suffixes := []string{"_gt", "_gte", "_lt", "_lte", "_eq", "_neq"}
+	suffixes := []string{"_gt", "_gte", "_lt", "_lte", "_eq", "_neq", "_in"}
 	for _, suf := range suffixes {
 		if strings.HasSuffix(key, suf) {
 			return strings.TrimSuffix(key, suf), suf[1:]
@@ -69,6 +69,8 @@ func resolveOperator(suffix string) string {
 		return "!="
 	case "eq":
 		return "="
+	case "in":
+		return "IN"
 	default:
 		return "LIKE"
 	}