move recorder to interface

pkg/weather/recorder/recorder.go

@@ -9,20 +9,21 @@ import (
 
 	"gitea.libretechconsulting.com/rmcguire/go-app/pkg/otel"
 
-	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders"
+	"gitea.libretechconsulting.com/rmcguire/ambient-local-exporter/pkg/weather/recorder/recorders/memory"
 )
 
 type WeatherRecorder struct {
-	updates []*weather.WeatherUpdate
-	keep    int
-	ctx     context.Context
-	tracer  trace.Tracer
-	meter   metric.Meter
+	recorder recorders.Recorder
+	ctx      context.Context
+	tracer   trace.Tracer
+	meter    metric.Meter
 	*sync.RWMutex
 }
 
 type Opts struct {
 	Ctx      context.Context
+	Recorder recorders.Recorder // If nil, will use memory recorder
 	KeepLast int
 }
 
@@ -31,12 +32,20 @@ func NewWeatherRecorder(opts *Opts) *WeatherRecorder {
 		opts.KeepLast = 1
 	}
 
+	if opts.Recorder == nil {
+		opts.Recorder = &memory.MemoryRecorder{}
+	}
+
+	opts.Recorder.Init(opts.Ctx, &recorders.RecorderOpts{
+		RetainLast: opts.KeepLast,
+		BaseCtx:    opts.Ctx,
+	})
+
 	return &WeatherRecorder{
-		updates: make([]*weather.WeatherUpdate, 0, opts.KeepLast),
-		keep:    opts.KeepLast,
-		ctx:     opts.Ctx,
-		tracer:  otel.GetTracer(opts.Ctx, "weatherRecorder"),
-		meter:   otel.GetMeter(opts.Ctx, "weatherRecorder"),
-		RWMutex: &sync.RWMutex{},
+		ctx:      opts.Ctx,
+		recorder: opts.Recorder,
+		tracer:   otel.GetTracer(opts.Ctx, "weatherRecorder"),
+		meter:    otel.GetMeter(opts.Ctx, "weatherRecorder"),
+		RWMutex:  &sync.RWMutex{},
 	}
 }