add the weather

2026-01-12 03:05:14 +00:00 · 2021-06-21 14:45:53 +01:00
parent 59b0cc6ecb
commit c77fdbd424
13 changed files with 781 additions and 0 deletions
--- a/weather/handler/weather.go
+++ b/weather/handler/weather.go
@@ -0,0 +1,106 @@
+package handler
+
+import (
+	"context"
+	"encoding/json"
+	"io/ioutil"
+	"fmt"
+	"net/http"
+
+	"github.com/micro/micro/v3/service/logger"
+	"github.com/micro/micro/v3/service/config"
+	"github.com/micro/micro/v3/service/errors"
+	pb "github.com/micro/services/weather/proto"
+)
+
+type Weather struct{
+	Api string
+	Key string
+}
+
+func New() *Weather {
+        // TODO: look for "weather.provider" to determine the handler
+        v, err := config.Get("weatherapi.api")
+        if err != nil {
+                logger.Fatalf("weatherapi.api config not found: %v", err)
+        }
+        api := v.String("")
+        if len(api) == 0 {
+                logger.Fatal("weatherapi.api config not found")
+        }
+        v, err = config.Get("weatherapi.key")
+        if err != nil {
+                logger.Fatalf("weatherapi.key config not found: %v", err)
+        }
+        key := v.String("")
+        if len(key) == 0 {
+                logger.Fatal("weatherapi.key config not found")
+        }
+
+        return &Weather{
+                Api:   api,
+                Key:   key,
+        }
+}
+
+func (w *Weather) Now(ctx context.Context, req *pb.NowRequest, rsp *pb.NowResponse) error {
+        if len(req.Location) <= 0 {
+                return errors.BadRequest("weather.current", "invalid location")
+        }
+
+        uri := fmt.Sprintf("%scurrent.json?aqi=no&key=%s&q=%s", w.Api, w.Key, req.Location)
+
+        resp, err := http.Get(uri)
+        if err != nil {
+                logger.Errorf("Failed to get current weather: %v\n", err)
+                return errors.InternalServerError("weather.current", "failed to get current weather")
+        }
+        defer resp.Body.Close()
+
+        b, _ := ioutil.ReadAll(resp.Body)
+
+        if resp.StatusCode != 200 {
+                logger.Errorf("Failed to get current weather (non 200): %d %v\n", resp.StatusCode, string(b))
+                return errors.InternalServerError("weather.current", "failed to get current weather")
+        }
+
+        var respBody map[string]interface{}
+
+        if err := json.Unmarshal(b, &respBody); err != nil {
+                logger.Errorf("Failed to unmarshal current: %v\n", err)
+                return errors.InternalServerError("weather.current", "failed to get current")
+        }
+
+	location := respBody["location"].(map[string]interface{})
+	current := respBody["current"].(map[string]interface{})
+
+	// set the location
+	rsp.Location = location["name"].(string)
+	rsp.Region = location["region"].(string)
+	rsp.Country = location["region"].(string)
+	rsp.Latitude = location["lat"].(float64)
+	rsp.Longitude = location["lon"].(float64)
+	rsp.Timezone = location["tz_id"].(string)
+	rsp.LocalTime = location["localtime"].(string)
+
+	// set the time of day
+	if current["is_day"].(float64) == 1.0 {
+		rsp.Daytime = true
+	}
+
+	rsp.TempC = current["temp_c"].(float64)
+	rsp.TempF = current["temp_f"].(float64)
+	rsp.FeelsLikeC = current["feelslike_c"].(float64)
+	rsp.FeelsLikeF = current["feelslike_f"].(float64)
+	rsp.Humidity = int32(current["humidity"].(float64))
+	rsp.Cloud = int32(current["cloud"].(float64))
+	rsp.Condition = current["condition"].(map[string]interface{})["text"].(string)
+	rsp.IconUrl = current["condition"].(map[string]interface{})["icon"].(string)
+	rsp.WindMph = current["wind_mph"].(float64)
+	rsp.WindKph = current["wind_kph"].(float64)
+	rsp.WindDirection = current["wind_dir"].(string)
+	rsp.WindDegree = int32(current["wind_degree"].(float64))
+
+	return nil
+}
+