Files
go-weather/handlers/weather.go
T
2026-02-18 15:35:56 -08:00

70 lines
1.8 KiB
Go

package handlers
import (
"encoding/json"
"go-weather/services"
"net/http"
)
type WeatherHandler struct {
weatherService *services.WeatherService
dbService *services.DatabaseService
config struct {
DefaultCity string
}
}
func NewWeatherHandler(ws *services.WeatherService, ds *services.DatabaseService, defaultCity string) *WeatherHandler {
return &WeatherHandler{
weatherService: ws,
dbService: ds,
config: struct{ DefaultCity string }{DefaultCity: defaultCity},
}
}
func (h *WeatherHandler) FetchWeather(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
return
}
city := r.URL.Query().Get("city")
if city == "" {
city = h.config.DefaultCity
}
weather, err := h.weatherService.FetchWeather(city)
if err != nil {
http.Error(w, err.Error(), http.StatusBadGateway)
return
}
id, err := h.dbService.SaveReading(weather)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(map[string]interface{}{
"message": "weather fetched and saved",
"id": id,
"city": weather.Name,
"temp": weather.Main.Temp,
})
}
func (h *WeatherHandler) GetHistory(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodGet {
http.Error(w, "method not allowed", http.StatusMethodNotAllowed)
return
}
city := r.URL.Query().Get("city")
if city == "" {
city = h.config.DefaultCity
}
readings, err := h.dbService.GetReadings(city, 25)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(readings)
}