adding optional query parameters
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08da856351
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4761167e1c
@ -9,22 +9,23 @@ import (
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"strconv"
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)
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func GetByCityName(city string) WeatherResponse {
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return get("https://api.openweathermap.org/data/2.5/weather?q=" + city)
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var baseUrl = "https://api.openweathermap.org/data/2.5/weather"
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func GetByCityName(city string, language string, unit config.Units) WeatherResponse {
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return get(baseUrl+"?q="+city, language, unit)
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}
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func GetByCoordinates(longitude, latitude float64) WeatherResponse {
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return get("https://api.openweathermap.org/data/2.5/weather?lat=" + strconv.FormatFloat(latitude, 'f', 6, 32) + "&lon=" + strconv.FormatFloat(longitude, 'f', 6, 32))
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func GetByCoordinates(longitude, latitude float64, language string, unit config.Units) WeatherResponse {
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return get(baseUrl+"?lat="+strconv.FormatFloat(latitude, 'f', 6, 32)+"&lon="+strconv.FormatFloat(longitude, 'f', 6, 32), language, unit)
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}
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func GetByZipCode(zip int, country string) WeatherResponse {
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return get("https://api.openweathermap.org/data/2.5/weather?zip=" + string(zip) + "," + country)
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func GetByZipCode(zip int, country string, language string, unit config.Units) WeatherResponse {
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return get(baseUrl+"?zip="+string(zip)+","+country, language, unit)
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}
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func get(url string) WeatherResponse {
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func get(url string, language string, unit config.Units) WeatherResponse {
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var configuration = config.LoadConfiguration()
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response, err := http.Get(url + "&appid=" + configuration.ApiKey + "&lang=" + configuration.Language + "&units=" + configuration.Units)
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response, err := http.Get(url + "&appid=" + configuration.ApiKey + "&lang=" + language + "&units=" + unit.String())
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if err != nil {
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log.Fatal(err)
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}
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@ -2,6 +2,7 @@ package client
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type WeatherResponse struct {
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Coordinates Coordinates `json:"coord,omitempty"`
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Weather []Weather `json:"weather,omitempty"`
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Base string `json:"base,omitempty"`
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Main Main `json:"main,omitempty"`
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Visibility int `json:"visibility,omitempty"`
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@ -17,6 +18,13 @@ type WeatherResponse struct {
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Cod int `json:"cod,omitempty"`
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}
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type Weather struct {
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Id int `json:"id,omitempty"`
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Main string `json:"main,omitempty"`
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Description string `json:"description,omitempty"`
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Icon string `json:"icon,omitempty"`
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}
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type Coordinates struct {
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Longitude float32 `json:"lon,omitempty"`
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Latitude float32 `json:"lat,omitempty"`
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@ -4,12 +4,13 @@ import (
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"fmt"
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"os"
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"strconv"
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"strings"
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)
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type Configuration struct {
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ApiKey string
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Language string
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Units string
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Units Units
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Port int
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JwtSecret string
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@ -26,7 +27,7 @@ func LoadConfiguration() *Configuration {
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return &Configuration{
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ApiKey: getEnv("API_KEY", ""),
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Language: getEnv("LANGUAGE", "en"),
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Units: getEnv("UNITS", "metric"),
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Units: StringToUnit(getEnv("UNITS", "metric")),
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Port: getEnvAsInt("PORT", 8080),
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JwtSecret: getEnv("JWT_SECRET", "super secret value"),
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SentryDsn: getEnv("SENTRY_DSN", ""),
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@ -51,3 +52,23 @@ func getEnvAsInt(name string, defaultVal int) int {
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return defaultVal
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}
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type Units int
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const (
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Metric Units = iota
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Imperial
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)
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func (unit Units) String() string {
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return [...]string{"metric", "imperial"}[unit]
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}
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func StringToUnit(string string) Units {
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if strings.EqualFold(string, "metric") {
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return Metric
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} else {
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return Imperial
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}
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}
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@ -20,8 +20,10 @@ import (
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"time"
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)
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var conf *config.Configuration
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func StartServer() {
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conf := config.LoadConfiguration()
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conf = config.LoadConfiguration()
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port := strconv.Itoa(conf.Port)
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log.Println("starting server on port " + port)
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@ -97,7 +99,16 @@ func defaultHandler(writer http.ResponseWriter, _ *http.Request) {
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func cityHandler(writer http.ResponseWriter, req *http.Request) {
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writer.Header().Set("Content-Type", "application/json")
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vars := mux.Vars(req)
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data := client.GetByCityName(vars["city"])
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if vars["city"] == "" {
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if _, err := writer.Write([]byte("no city provided")); err != nil {
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panic(err)
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}
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}
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language, units := getOptionalArgs(req)
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data := client.GetByCityName(vars["city"], language, units)
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writer.WriteHeader(http.StatusOK)
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if err := json.NewEncoder(writer).Encode(convert(data)); err != nil {
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panic(err)
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@ -116,7 +127,9 @@ func coordinatesHandler(writer http.ResponseWriter, req *http.Request) {
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if err != nil {
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panic(err)
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}
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data := client.GetByCoordinates(longitude, latitude)
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language, units := getOptionalArgs(req)
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data := client.GetByCoordinates(longitude, latitude, language, units)
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writer.WriteHeader(http.StatusOK)
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if err := json.NewEncoder(writer).Encode(convert(data)); err != nil {
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panic(err)
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@ -130,7 +143,7 @@ func zipCodeHandler(writer http.ResponseWriter, req *http.Request) {
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if err != nil {
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panic(err)
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}
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data := client.GetByZipCode(zip, vars["country"])
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data := client.GetByZipCode(zip, vars["country"], config.LoadConfiguration().Language, config.Metric)
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writer.WriteHeader(http.StatusOK)
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if err := json.NewEncoder(writer).Encode(convert(data)); err != nil {
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panic(err)
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@ -141,6 +154,20 @@ func timeoutHandler(h http.Handler) http.Handler {
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return http.TimeoutHandler(h, 1*time.Second, "timed out")
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}
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func getOptionalArgs(req *http.Request) (language string, units config.Units) {
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language = conf.Language
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units = conf.Units
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if lang := req.URL.Query().Get("language"); lang != "" {
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language = lang
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}
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if unit := req.URL.Query().Get("units"); unit != "" {
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units = config.StringToUnit(unit)
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}
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return language, units
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}
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func convert(weatherData client.WeatherResponse) Weather {
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return Weather{
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TemperatureCurrent: weatherData.Main.Temperature,
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@ -149,6 +176,8 @@ func convert(weatherData client.WeatherResponse) Weather {
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FeelsLike: weatherData.Main.FeelsLike,
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Pressure: weatherData.Main.Pressure,
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Humidity: weatherData.Main.Humidity,
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Description: weatherData.Weather[0].Description,
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Icon: weatherData.Weather[0].Icon,
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WindSpeeed: weatherData.Wind.Speed,
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WindDegree: weatherData.Wind.Degree,
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Clouds: weatherData.Clouds.All,
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@ -7,6 +7,8 @@ type Weather struct {
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TemperatureMax float32 `json:"temperature_max"`
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Pressure int `json:"pressure"`
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Humidity int `json:"humidity"`
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Description string `json:"description"`
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Icon string `json:"icon"`
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WindSpeeed float32 `json:"wind_speed"`
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WindDegree int `json:"wind_degree"`
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