refactor: refactor to adapt new custom json marshaler

internal/metrics/uptime/status.go

@@ -0,0 +1,22 @@
+package uptime
+
+import (
+	"fmt"
+
+	"github.com/yusing/go-proxy/internal/watcher/health"
+)
+
+type Status struct {
+	Status    health.Status
+	Latency   int64
+	Timestamp int64
+}
+
+type RouteStatuses map[string][]*Status
+
+func (s *Status) MarshalJSONTo(buf []byte) []byte {
+	return fmt.Appendf(buf,
+		`{"status":"%s","latency":"%d","timestamp":"%d"}`,
+		s.Status, s.Latency, s.Timestamp,
+	)
+}

internal/metrics/uptime/uptime.go

@@ -2,7 +2,6 @@ package uptime
 
 import (
 	"context"
-	"encoding/json"
 	"net/url"
 	"sort"
 	"time"
@@ -13,20 +12,15 @@ import (
 	"github.com/yusing/go-proxy/internal/route/routes"
 	"github.com/yusing/go-proxy/internal/route/routes/routequery"
 	"github.com/yusing/go-proxy/internal/watcher/health"
+	"github.com/yusing/go-proxy/pkg/json"
 )
 
 type (
 	StatusByAlias struct {
-		Map       map[string]*routequery.HealthInfoRaw `json:"statuses"`
-		Timestamp int64                                `json:"timestamp"`
+		Map       json.Map[*routequery.HealthInfoRaw] `json:"statuses"`
+		Timestamp int64                               `json:"timestamp"`
 	}
-	Status struct {
-		Status    health.Status `json:"status"`
-		Latency   int64         `json:"latency"`
-		Timestamp int64         `json:"timestamp"`
-	}
-	RouteStatuses map[string][]*Status
-	Aggregated    []map[string]any
+	Aggregated = json.MapSlice[any]
 )
 
 var Poller = period.NewPoller("uptime", getStatuses, aggregateStatuses)
@@ -124,7 +118,3 @@ func (rs RouteStatuses) aggregate(limit int, offset int) Aggregated {
 	}
 	return result
 }
-
-func (result Aggregated) MarshalJSON() ([]byte, error) {
-	return json.Marshal([]map[string]any(result))
-}

internal/metrics/uptime/uptime_test.go

@@ -0,0 +1,10 @@
+package uptime
+
+import (
+	"net/url"
+	"testing"
+)
+
+func TestPoller(t *testing.T) {
+	Poller.Test(t, url.Values{"limit": []string{"1"}})
+}