79 lines
1.8 KiB
Go
79 lines
1.8 KiB
Go
package main
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import (
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"encoding/json"
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"fmt"
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"github.com/joho/godotenv"
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"io/ioutil"
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"log"
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"net/http"
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"os"
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)
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// Struct to hold the weather data
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type WeatherData struct {
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Main struct {
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Temp float64 `json:"temp"`
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} `json:"main"`
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Weather []struct {
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Description string `json:"description"`
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} `json:"weather"`
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}
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func serveHome(w http.ResponseWriter, r *http.Request) {
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http.ServeFile(w, r, "index.html")
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}
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func handleWeather(w http.ResponseWriter, r *http.Request) {
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city := r.URL.Query().Get("city")
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if city == "" {
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http.Error(w, "City parameter is required", http.StatusBadRequest)
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return
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}
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err := godotenv.Load(".env")
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if err != nil {
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log.Fatalf("Error loading .env file: %s", err)
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}
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apiKey := os.Getenv("openWeatherKey")
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url := fmt.Sprintf("http://api.openweathermap.org/data/2.5/weather?q=%s&appid=%s&units=metric", city, apiKey)
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resp, err := http.Get(url)
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if err != nil {
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http.Error(w, "Error fetching weather data", http.StatusInternalServerError)
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return
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}
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defer resp.Body.Close()
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body, err := ioutil.ReadAll(resp.Body)
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if err != nil {
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http.Error(w, "Error reading response body", http.StatusInternalServerError)
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return
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}
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var weatherData WeatherData
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err = json.Unmarshal(body, &weatherData)
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if err != nil {
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http.Error(w, "Error parsing JSON", http.StatusInternalServerError)
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return
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}
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response := struct {
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Temperature float64 `json:"temperature"`
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Condition string `json:"condition"`
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}{
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Temperature: weatherData.Main.Temp,
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Condition: weatherData.Weather[0].Description,
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(response)
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}
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func main() {
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http.HandleFunc("/", serveHome)
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http.HandleFunc("/weather", handleWeather)
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fmt.Println("Server is running on http://localhost:8080")
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log.Fatal(http.ListenAndServe(":8080", nil))
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}
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