Merge pull request #1 from neatflowcv/openweather

Openweather

.env.template

@@ -0,0 +1,4 @@
+OPENWEATHER_API_KEY=
+OPENWEATHER_LAT=37
+OPENWEATHER_LON=126
+NATS_URL=

.gitignore

@@ -1,3 +1,5 @@
 /vendor/
 /seven-skies
 /.vscode/launch.json
+/.env
+/openweather

cmd/openweather/handler.go

@@ -0,0 +1,90 @@
+package main
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"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 {
+		return fmt.Errorf("error in get forecast: %w", 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),
+			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(weather []openweather.Weather) domain.WeatherCondition {
+	if len(weather) == 0 {
+		return domain.WeatherConditionUnknown
+	}
+
+	main := weather[0].Main
+	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

@@ -0,0 +1,128 @@
+package main
+
+import (
+	"context"
+	"log"
+	"os"
+	"runtime/debug"
+	"strconv"
+
+	"github.com/go-co-op/gocron/v2"
+	"github.com/joho/godotenv"
+	"github.com/neatflowcv/seven-skies/internal/pkg/broker/nats"
+)
+
+func version() string {
+	info, ok := debug.ReadBuildInfo()
+	if !ok {
+		return "unknown"
+	}
+
+	return info.Main.Version
+}
+
+type Config struct {
+	Key     string
+	Lat     float64
+	Lon     float64
+	NATSURL string
+}
+
+func NewConfig() *Config {
+	key := os.Getenv("OPENWEATHER_API_KEY")
+	if key == "" {
+		log.Panic("OPENWEATHER_API_KEY is not set")
+	}
+
+	lat := os.Getenv("OPENWEATHER_LAT")
+	if lat == "" {
+		log.Panic("OPENWEATHER_LAT is not set")
+	}
+
+	lon := os.Getenv("OPENWEATHER_LON")
+	if lon == "" {
+		log.Panic("OPENWEATHER_LON is not set")
+	}
+
+	NATS_URL := os.Getenv("NATS_URL")
+	if NATS_URL == "" {
+		log.Panic("NATS_URL is not set")
+	}
+
+	latFloat, err := strconv.ParseFloat(lat, 64)
+	if err != nil {
+		log.Panic("error in parse lat", err)
+	}
+
+	lonFloat, err := strconv.ParseFloat(lon, 64)
+	if err != nil {
+		log.Panic("error in parse lon", err)
+	}
+
+	return &Config{
+		Key:     key,
+		Lat:     latFloat,
+		Lon:     lonFloat,
+		NATSURL: NATS_URL,
+	}
+}
+
+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.NATSURL, "SEVEN_SKIES_STREAM", []string{"SEVEN_SKIES_SUBJECT.>"})
+	if err != nil {
+		log.Panic("error in create broker", err)
+	}
+	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)
+	}
+
+	defer func() {
+		err := scheduler.Shutdown()
+		if err != nil {
+			log.Println("error in shutdown scheduler", err)
+		}
+	}()
+
+	err = handler.Handle(ctx)
+	if err != nil {
+		log.Panic("error in task", err)
+	}
+
+	job, err := scheduler.NewJob(
+		gocron.CronJob("5 */2 * * *", false), // openweather에서 2시간마다 데이터가 업데이트 된다.
+		// 5분을 준 이유는 업데이트가 바로 된다는 보장이 없어서
+		gocron.NewTask(
+			handler.Handle,
+		),
+	)
+	if err != nil {
+		log.Panic("error in create job", err)
+	}
+
+	scheduler.Start()
+
+	nextRun, err := job.NextRun()
+	if err != nil {
+		log.Panic("error in get next run", err)
+	}
+
+	log.Println("next run", nextRun)
+
+	select {}
+}

go.mod

@@ -3,6 +3,8 @@ module github.com/neatflowcv/seven-skies
 go 1.25.5
 
 require (
+	github.com/go-co-op/gocron/v2 v2.18.2
+	github.com/joho/godotenv v1.5.1
 	github.com/nats-io/nats.go v1.47.0
 	github.com/stretchr/testify v1.11.1
 	resty.dev/v3 v3.0.0-beta.4
@@ -10,10 +12,14 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/google/uuid v1.6.0 // indirect
+	github.com/jonboulle/clockwork v0.5.0 // indirect
 	github.com/klauspost/compress v1.18.2 // indirect
+	github.com/kr/pretty v0.3.1 // indirect
 	github.com/nats-io/nkeys v0.4.12 // indirect
 	github.com/nats-io/nuid v1.0.1 // indirect
 	github.com/pmezard/go-difflib v1.0.0 // indirect
+	github.com/robfig/cron/v3 v3.0.1 // indirect
 	golang.org/x/crypto v0.45.0 // indirect
 	golang.org/x/net v0.47.0 // indirect
 	golang.org/x/sys v0.38.0 // indirect

go.sum

@@ -1,25 +1,46 @@
+github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
+github.com/go-co-op/gocron/v2 v2.18.2 h1:+5VU41FUXPWSPKLXZQ/77SGzUiPCcakU0v7ENc2H20Q=
+github.com/go-co-op/gocron/v2 v2.18.2/go.mod h1:Zii6he+Zfgy5W9B+JKk/KwejFOW0kZTFvHtwIpR4aBI=
+github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
+github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
+github.com/jonboulle/clockwork v0.5.0 h1:Hyh9A8u51kptdkR+cqRpT1EebBwTn1oK9YfGYbdFz6I=
+github.com/jonboulle/clockwork v0.5.0/go.mod h1:3mZlmanh0g2NDKO5TWZVJAfofYk64M7XN3SzBPjZF60=
 github.com/klauspost/compress v1.18.2 h1:iiPHWW0YrcFgpBYhsA6D1+fqHssJscY/Tm/y2Uqnapk=
 github.com/klauspost/compress v1.18.2/go.mod h1:R0h/fSBs8DE4ENlcrlib3PsXS61voFxhIs2DeRhCvJ4=
+github.com/kr/pretty v0.3.1 h1:flRD4NNwYAUpkphVc1HcthR4KEIFJ65n8Mw5qdRn3LE=
+github.com/kr/pretty v0.3.1/go.mod h1:hoEshYVHaxMs3cyo3Yncou5ZscifuDolrwPKZanG3xk=
+github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY=
+github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE=
 github.com/nats-io/nats.go v1.47.0 h1:YQdADw6J/UfGUd2Oy6tn4Hq6YHxCaJrVKayxxFqYrgM=
 github.com/nats-io/nats.go v1.47.0/go.mod h1:iRWIPokVIFbVijxuMQq4y9ttaBTMe0SFdlZfMDd+33g=
 github.com/nats-io/nkeys v0.4.12 h1:nssm7JKOG9/x4J8II47VWCL1Ds29avyiQDRn0ckMvDc=
 github.com/nats-io/nkeys v0.4.12/go.mod h1:MT59A1HYcjIcyQDJStTfaOY6vhy9XTUjOFo+SVsvpBg=
 github.com/nats-io/nuid v1.0.1 h1:5iA8DT8V7q8WK2EScv2padNa/rTESc1KdnPw4TC2paw=
 github.com/nats-io/nuid v1.0.1/go.mod h1:19wcPz3Ph3q0Jbyiqsd0kePYG7A95tJPxeL+1OSON2c=
+github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/robfig/cron/v3 v3.0.1 h1:WdRxkvbJztn8LMz/QEvLN5sBU+xKpSqwwUO1Pjr4qDs=
+github.com/robfig/cron/v3 v3.0.1/go.mod h1:eQICP3HwyT7UooqI/z+Ov+PtYAWygg1TEWWzGIFLtro=
+github.com/rogpeppe/go-internal v1.9.0 h1:73kH8U+JUqXU8lRuOHeVHaa/SZPifC7BkcraZVejAe8=
+github.com/rogpeppe/go-internal v1.9.0/go.mod h1:WtVeX8xhTBvf0smdhujwtBcq4Qrzq/fJaraNFVN+nFs=
 github.com/stretchr/testify v1.11.1 h1:7s2iGBzp5EwR7/aIZr8ao5+dra3wiQyKjjFuvgVKu7U=
 github.com/stretchr/testify v1.11.1/go.mod h1:wZwfW3scLgRK+23gO65QZefKpKQRnfz6sD981Nm4B6U=
+go.uber.org/goleak v1.3.0 h1:2K3zAYmnTNqV73imy9J1T3WC+gmCePx2hEGkimedGto=
+go.uber.org/goleak v1.3.0/go.mod h1:CoHD4mav9JJNrW/WLlf7HGZPjdw8EucARQHekz1X6bE=
 golang.org/x/crypto v0.45.0 h1:jMBrvKuj23MTlT0bQEOBcAE0mjg8mK9RXFhRH6nyF3Q=
 golang.org/x/crypto v0.45.0/go.mod h1:XTGrrkGJve7CYK7J8PEww4aY7gM3qMCElcJQ8n8JdX4=
 golang.org/x/net v0.47.0 h1:Mx+4dIFzqraBXUugkia1OOvlD6LemFo1ALMHjrXDOhY=
 golang.org/x/net v0.47.0/go.mod h1:/jNxtkgq5yWUGYkaZGqo27cfGZ1c5Nen03aYrrKpVRU=
 golang.org/x/sys v0.38.0 h1:3yZWxaJjBmCWXqhN1qh02AkOnCQ1poK6oF+a7xWL6Gc=
 golang.org/x/sys v0.38.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c h1:Hei/4ADfdWqJk1ZMxUNpqntNwaWcugrBjAiHlqqRiVk=
+gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c/go.mod h1:JHkPIbrfpd72SG/EVd6muEfDQjcINNoR0C8j2r3qZ4Q=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
 gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 resty.dev/v3 v3.0.0-beta.4 h1:2O77oFymtA4NT8AY87wAaSgSGUBk2yvvM1qno9VRXZU=

internal/pkg/domain/weather_condition.go

@@ -0,0 +1,12 @@
+package domain
+
+type WeatherCondition string
+
+const (
+	WeatherConditionUnknown  WeatherCondition = "UNKNOWN"
+	WeatherConditionClear    WeatherCondition = "CLEAR"
+	WeatherConditionCloudy   WeatherCondition = "CLOUDY"
+	WeatherConditionRain     WeatherCondition = "RAIN"
+	WeatherConditionSnow     WeatherCondition = "SNOW"
+	WeatherConditionRainSnow WeatherCondition = "RAIN_SNOW"
+)

internal/pkg/domain/weather_event.go

@@ -0,0 +1,17 @@
+package domain
+
+import "time"
+
+type Celsius float64
+
+type Temperature struct {
+	Value Celsius `json:"value"`
+}
+
+type WeatherEvent struct {
+	Date        time.Time        `json:"date"`
+	Condition   WeatherCondition `json:"condition"`
+	Temperature *Temperature     `json:"temperature,omitempty"`
+	High        *Temperature     `json:"high,omitempty"`
+	Low         *Temperature     `json:"low,omitempty"`
+}