handler 추출

cmd/openweather/handler.go

@@ -0,0 +1,86 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"log"
+	"time"
+
+	"github.com/neatflowcv/seven-skies/internal/pkg/broker"
+	"github.com/neatflowcv/seven-skies/internal/pkg/domain"
+	"github.com/neatflowcv/seven-skies/internal/pkg/openweather"
+)
+
+type Handler struct {
+	broker broker.Broker
+	key    string
+	lat    float64
+	lon    float64
+}
+
+func NewHandler(broker broker.Broker, key string, lat float64, lon float64) *Handler {
+	return &Handler{
+		broker: broker,
+		key:    key,
+		lat:    lat,
+		lon:    lon,
+	}
+}
+
+func (h *Handler) Handle(ctx context.Context) error {
+	log.Println("get forecast")
+
+	forecast, err := openweather.Forecast(ctx, h.key, h.lat, h.lon)
+	if err != nil {
+		log.Println("error in get forecast", err)
+
+		return err
+	}
+
+	log.Println("get forecast successfully", forecast)
+
+	for _, list := range forecast.List {
+		weatherEvent := domain.WeatherEvent{
+			Date:        time.Unix(int64(list.Dt), 0),
+			Condition:   decideCondition(list.Weather[0].Main),
+			Temperature: &domain.Temperature{Value: domain.Celsius(list.Main.Temp)},
+			High:        &domain.Temperature{Value: domain.Celsius(list.Main.TempMax)},
+			Low:         &domain.Temperature{Value: domain.Celsius(list.Main.TempMin)},
+		}
+
+		message, err := json.Marshal(weatherEvent)
+		if err != nil {
+			log.Println("error in marshal weather event", err)
+
+			continue
+		}
+
+		err = h.broker.Publish(ctx, "SEVEN_SKIES_SUBJECT.OPENWEATHER", message)
+		if err != nil {
+			log.Println("error in publish weather event", err)
+
+			continue
+		}
+	}
+
+	return nil
+}
+
+func decideCondition(main string) domain.WeatherCondition {
+	switch main {
+	case "Thunderstorm", "Drizzle", "Rain":
+		return domain.WeatherConditionRain
+
+	case "Snow":
+		return domain.WeatherConditionSnow
+
+	case "Mist", "Smoke", "Haze", "Dust", "Fog", "Sand", "Ash", "Squall", "Tornado", "Clouds":
+		return domain.WeatherConditionCloudy
+
+	case "Clear":
+		return domain.WeatherConditionClear
+
+	default:
+		return domain.WeatherConditionUnknown
+	}
+}

cmd/openweather/main.go

@@ -2,19 +2,14 @@ package main
 
 import (
 	"context"
-	"encoding/json"
 	"log"
 	"os"
 	"runtime/debug"
 	"strconv"
-	"time"
 
 	"github.com/go-co-op/gocron/v2"
 	"github.com/joho/godotenv"
-	"github.com/neatflowcv/seven-skies/internal/pkg/broker"
 	"github.com/neatflowcv/seven-skies/internal/pkg/broker/nats"
-	"github.com/neatflowcv/seven-skies/internal/pkg/domain"
-	"github.com/neatflowcv/seven-skies/internal/pkg/openweather"
 )
 
 func version() string {
@@ -88,6 +83,8 @@ func main() {
 	}
 	defer broker.Close()
 
+	handler := NewHandler(broker, config.Key, config.Lat, config.Lon)
+
 	scheduler, err := gocron.NewScheduler()
 	if err != nil {
 		log.Panic("error in create scheduler", err)
@@ -100,7 +97,7 @@ func main() {
 		}
 	}()
 
-	err = Task(context.Background(), broker, config.Key, config.Lat, config.Lon)
+	err = handler.Handle(context.Background())
 	if err != nil {
 		log.Panic("error in task", err)
 	}
@@ -109,12 +106,7 @@ func main() {
 		gocron.CronJob("5 */2 * * *", false), // openweather에서 2시간마다 데이터가 업데이트 된다.
 		// 5분을 준 이유는 업데이트가 바로 된다는 보장이 없어서
 		gocron.NewTask(
-			Task,
-			context.Background(),
-			broker,
-			config.Key,
-			config.Lat,
-			config.Lon,
+			handler.Handle,
 		),
 	)
 	if err != nil {
@@ -132,61 +124,3 @@ func main() {
 
 	select {}
 }
-
-func Task(ctx context.Context, broker broker.Broker, key string, lat float64, lon float64) error {
-	log.Println("get forecast")
-
-	forecast, err := openweather.Forecast(context.Background(), key, lat, lon)
-	if err != nil {
-		log.Println("error in get forecast", err)
-
-		return err
-	}
-
-	log.Println("get forecast successfully", forecast)
-
-	for _, list := range forecast.List {
-		weatherEvent := domain.WeatherEvent{
-			Date:        time.Unix(int64(list.Dt), 0),
-			Condition:   decideCondition(list.Weather[0].Main),
-			Temperature: &domain.Temperature{Value: domain.Celsius(list.Main.Temp)},
-			High:        &domain.Temperature{Value: domain.Celsius(list.Main.TempMax)},
-			Low:         &domain.Temperature{Value: domain.Celsius(list.Main.TempMin)},
-		}
-
-		message, err := json.Marshal(weatherEvent)
-		if err != nil {
-			log.Println("error in marshal weather event", err)
-
-			continue
-		}
-
-		err = broker.Publish(ctx, "SEVEN_SKIES_SUBJECT.OPENWEATHER", message)
-		if err != nil {
-			log.Println("error in publish weather event", err)
-
-			continue
-		}
-	}
-
-	return nil
-}
-
-func decideCondition(main string) domain.WeatherCondition {
-	switch main {
-	case "Thunderstorm", "Drizzle", "Rain":
-		return domain.WeatherConditionRain
-
-	case "Snow":
-		return domain.WeatherConditionSnow
-
-	case "Mist", "Smoke", "Haze", "Dust", "Fog", "Sand", "Ash", "Squall", "Tornado", "Clouds":
-		return domain.WeatherConditionCloudy
-
-	case "Clear":
-		return domain.WeatherConditionClear
-
-	default:
-		return domain.WeatherConditionUnknown
-	}
-}