implement openweather

internal/pkg/openweather/forecaster.go

@@ -0,0 +1,43 @@
+package openweather
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"log"
+
+	"resty.dev/v3"
+)
+
+var (
+	ErrForecast = errors.New("error in get forecast")
+)
+
+func Forecast(ctx context.Context, key string, lat float64, lon float64) (*ForecastResponse, error) {
+	client := resty.New()
+
+	defer func() {
+		err := client.Close()
+		if err != nil {
+			log.Println("error in close client", err)
+		}
+	}()
+
+	resp, err := client.R().
+		SetContext(ctx).
+		SetQueryParam("lat", fmt.Sprintf("%f", lat)).
+		SetQueryParam("lon", fmt.Sprintf("%f", lon)).
+		SetQueryParam("appid", key).
+		SetQueryParam("units", "metric").
+		SetResult(&ForecastResponse{}). //nolint:exhaustruct
+		Get("https://api.openweathermap.org/data/2.5/forecast")
+	if err != nil {
+		return nil, fmt.Errorf("error in get forecast: %w", err)
+	}
+
+	if resp.IsError() {
+		return nil, fmt.Errorf("%w: %s, %s", ErrForecast, resp.Status(), resp.String())
+	}
+
+	return resp.Result().(*ForecastResponse), nil //nolint:forcetypeassert
+}

internal/pkg/openweather/forecaster_test.go

@@ -0,0 +1,24 @@
+package openweather_test
+
+import (
+	_ "embed"
+	"encoding/json"
+	"testing"
+
+	"github.com/neatflowcv/seven-skies/internal/pkg/openweather"
+	"github.com/stretchr/testify/require"
+)
+
+//go:embed testdata/forecast.json
+var forecast []byte
+
+func TestForecast(t *testing.T) {
+	t.Parallel()
+
+	var resp openweather.ForecastResponse
+
+	err := json.Unmarshal(forecast, &resp)
+
+	require.NoError(t, err)
+	require.NotNil(t, forecast)
+}

internal/pkg/openweather/model.go

@@ -0,0 +1,70 @@
+package openweather
+
+type ForecastResponse struct {
+	Cod     string `json:"cod,omitempty"`
+	Message int    `json:"message,omitempty"`
+	Cnt     int    `json:"cnt,omitempty"`
+	List    []List `json:"list,omitempty"`
+	City    City   `json:"city,omitzero"`
+}
+
+type Main struct {
+	Temp      float64 `json:"temp,omitempty"`
+	FeelsLike float64 `json:"feels_like,omitempty"`
+	TempMin   float64 `json:"temp_min,omitempty"`
+	TempMax   float64 `json:"temp_max,omitempty"`
+	Pressure  int     `json:"pressure,omitempty"`
+	SeaLevel  int     `json:"sea_level,omitempty"`
+	GrndLevel int     `json:"grnd_level,omitempty"`
+	Humidity  int     `json:"humidity,omitempty"`
+	TempKf    float64 `json:"temp_kf,omitempty"`
+}
+
+type Weather struct {
+	ID          int    `json:"id,omitempty"`
+	Main        string `json:"main,omitempty"`
+	Description string `json:"description,omitempty"`
+	Icon        string `json:"icon,omitempty"`
+}
+
+type Clouds struct {
+	All int `json:"all,omitempty"`
+}
+
+type Wind struct {
+	Speed float64 `json:"speed,omitempty"`
+	Deg   int     `json:"deg,omitempty"`
+	Gust  float64 `json:"gust,omitempty"`
+}
+
+type Sys struct {
+	Pod string `json:"pod,omitempty"`
+}
+
+type List struct {
+	Dt         int       `json:"dt,omitempty"`
+	Main       Main      `json:"main,omitzero"`
+	Weather    []Weather `json:"weather,omitempty"`
+	Clouds     Clouds    `json:"clouds,omitzero"`
+	Wind       Wind      `json:"wind,omitzero"`
+	Visibility int       `json:"visibility,omitempty"`
+	Pop        float64   `json:"pop,omitempty"`
+	Sys        Sys       `json:"sys,omitzero"`
+	DtTxt      string    `json:"dt_txt,omitempty"`
+}
+
+type Coord struct {
+	Lat float64 `json:"lat,omitempty"`
+	Lon float64 `json:"lon,omitempty"`
+}
+
+type City struct {
+	ID         int    `json:"id,omitempty"`
+	Name       string `json:"name,omitempty"`
+	Coord      Coord  `json:"coord,omitzero"`
+	Country    string `json:"country,omitempty"`
+	Population int    `json:"population,omitempty"`
+	Timezone   int    `json:"timezone,omitempty"`
+	Sunrise    int    `json:"sunrise,omitempty"`
+	Sunset     int    `json:"sunset,omitempty"`
+}