feat: planned structure

internal/pkg/grib/config.go

@@ -0,0 +1,22 @@
+package downloader
+
+import (
+	"fmt"
+
+	env "github.com/caarlos0/env/v11"
+)
+
+type Config struct {
+}
+
+func NewConfig(servicePrefix string) (*Config, error) {
+	cfg := &Config{}
+
+	if err := env.ParseWithOptions(cfg, env.Options{
+		PrefixTagName: fmt.Sprintf("%s_GRIB_", servicePrefix),
+	}); err != nil {
+		return nil, err
+	}
+
+	return cfg, nil
+}

internal/pkg/grib/grib.go

@@ -0,0 +1,3 @@
+package downloader
+
+//

internal/service/deps.go

@@ -11,6 +11,6 @@ type Redis interface {
 	Get(key string) ([]byte, error)
 }
 
-type Downloader interface {
+type Grib interface {
-	Download(ctx context.Context)
+	Update(ctx context.Context) error
 }

internal/service/service.go

@@ -1,10 +1,22 @@
 package service
 
+import (
+	"context"
+)
+
 type Service struct {
 	redis      Redis
 	downloader Downloader
 }
 
-func New() *Service {
+func New(redis Redis, downloader Downloader) *Service {
-	return &Service{}
+	return &Service{
+		redis:      redis,
+		downloader: downloader,
+	}
+}
+
+// DownloadWeatherData downloads weather forecast data using the configured downloader
+func (s *Service) DownloadWeatherData(ctx context.Context) error {
+	return s.downloader.Download(ctx)
 }