repository와 subscribe까지 잘 됨

cmd/seven-skies/main.go

@@ -1,8 +1,18 @@
 package main
 
 import (
+	"context"
+	"encoding/json"
+	"fmt"
 	"log"
+	"os"
 	"runtime/debug"
+
+	"github.com/joho/godotenv"
+	"github.com/neatflowcv/seven-skies/internal/app/flow"
+	"github.com/neatflowcv/seven-skies/internal/pkg/broker/nats"
+	"github.com/neatflowcv/seven-skies/internal/pkg/domain"
+	"github.com/neatflowcv/seven-skies/internal/pkg/repository/gorm"
 )
 
 func version() string {
@@ -14,6 +24,79 @@ func version() string {
 	return info.Main.Version
 }
 
+type Config struct {
+	NATS_URL     string
+	DATABASE_DSN string
+}
+
+func NewConfig() *Config {
+	NATS_URL := os.Getenv("NATS_URL")
+	if NATS_URL == "" {
+		log.Panic("NATS_URL is not set")
+	}
+
+	DATABASE_DSN := os.Getenv("DATABASE_DSN")
+	if DATABASE_DSN == "" {
+		log.Panic("DATABASE_DSN is not set")
+	}
+
+	return &Config{
+		NATS_URL:     NATS_URL,
+		DATABASE_DSN: DATABASE_DSN,
+	}
+}
+
 func main() {
 	log.Println("version", version())
+
+	err := godotenv.Load()
+	if err == nil {
+		log.Println("env loaded")
+	}
+
+	config := NewConfig()
+
+	ctx := context.Background()
+
+	broker, err := nats.NewBroker(ctx, config.NATS_URL, "SEVEN_SKIES_STREAM", []string{"SEVEN_SKIES_SUBJECT.>"})
+	if err != nil {
+		log.Panic("error in create broker", err)
+	}
+	defer broker.Close()
+
+	repo, err := gorm.NewRepository(config.DATABASE_DSN)
+	if err != nil {
+		log.Panic("error in create repository", err)
+	}
+
+	service := flow.NewFlow(repo)
+
+	err = broker.Subscribe(ctx, "SEVEN_SKIES_DURABLE", func(topic string, message []byte) error {
+		var event domain.WeatherEvent
+
+		err := json.Unmarshal(message, &event)
+		if err != nil {
+			log.Println("error in unmarshal", err)
+
+			return fmt.Errorf("error in unmarshal: %w", err)
+		}
+
+		err = service.CreateWeather(ctx, &flow.Weather{
+			Source:       string(event.Source),
+			TargetDate:   event.TargetDate,
+			ForecastDate: event.ForecastDate,
+			Condition:    string(event.Condition),
+			Temperature:  float64(event.Temperature.Value),
+		})
+		if err != nil {
+			return fmt.Errorf("error in create weather: %w", err)
+		}
+
+		return nil
+	})
+	if err != nil {
+		log.Panic("error in subscribe", err)
+	}
+
+	select {}
 }