优化结构

internal/biz/pagination.go

@@ -0,0 +1,39 @@
+package biz
+
+import (
+	"go.einride.tech/aip/filtering"
+	"go.einride.tech/aip/ordering"
+)
+
+type ListOption func(*ListOptions)
+
+type ListOptions struct {
+	Filter  filtering.Filter
+	OrderBy ordering.OrderBy
+	Offset  int
+	Limit   int
+}
+
+func ListFilter(filter filtering.Filter) ListOption {
+	return func(o *ListOptions) {
+		o.Filter = filter
+	}
+}
+
+func ListOrderBy(orderBy ordering.OrderBy) ListOption {
+	return func(o *ListOptions) {
+		o.OrderBy = orderBy
+	}
+}
+
+func ListOffset(offset int) ListOption {
+	return func(o *ListOptions) {
+		o.Offset = offset
+	}
+}
+
+func ListLimit(limit int) ListOption {
+	return func(o *ListOptions) {
+		o.Limit = limit
+	}
+}