mirror of
https://codeberg.org/andyscott/OpenWeather-gRPC-API.git
synced 2024-09-18 23:08:07 -04:00
83 lines
2 KiB
Go
83 lines
2 KiB
Go
package main
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import (
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"context"
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"fmt"
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"io/ioutil"
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"log"
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"net/http"
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pb "codeberg.org/andcscott/OpenWeather-gRPC-API/proto"
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"google.golang.org/grpc/codes"
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"google.golang.org/grpc/status"
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)
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// Receives a gRPC request for an extended forecast
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// Returns a SendFiveDay message with the forecast as JSON
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func (s *Server) FiveDay(ctx context.Context, in *pb.RequestFiveDay) (*pb.SendFiveDay, error) {
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log.Printf("'FiveDay' called: %v\n", in)
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url, err := s.createFiveDayUrl(in)
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if err != nil {
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return nil, status.Errorf(
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codes.InvalidArgument,
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fmt.Sprintf("Invalid location or location type: %s, %s\n",
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in.Location.String(),
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in.LocationType.String()),
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)
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}
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token := "&appid=" + s.ApiKey
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res, err := http.Get(url + token)
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if err != nil {
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log.Printf("Error fetching extended weather: %v\n", err)
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}
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defer res.Body.Close()
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body, err := ioutil.ReadAll(res.Body)
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if err != nil {
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log.Printf("Error reading extending weather: %v\n", err)
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}
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return &pb.SendFiveDay{
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Payload: string(body),
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}, nil
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}
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// Assembles the OpenWeather API URL for FiveDay
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func (s *Server) createFiveDayUrl(in *pb.RequestFiveDay) (string, error) {
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var lat, lon float32
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var err error
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url := "https://api.openweathermap.org/data/2.5/forecast?"
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units := "&units="
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switch in.Units {
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case pb.Units_UNITS_IMPERIAL:
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units += "imperial"
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case pb.Units_UNITS_METRIC:
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units += "metric"
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default:
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units += "standard"
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}
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switch in.LocationType {
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case pb.LocationType_LOCATION_TYPE_CITY:
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lat, lon, err = getLocation(in.Location.GetCity(), s.ApiKey)
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case pb.LocationType_LOCATION_TYPE_ZIP_CODE:
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lat, lon, err = getZipLocation(in.Location.GetZipCode(), s.ApiKey)
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case pb.LocationType_LOCATION_TYPE_COORDS:
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lat = in.Location.GetCoords().Latitude
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lon = in.Location.GetCoords().Longitude
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default:
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fmt.Println(in.Location.String())
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lat, lon, err = getLocation(in.Location.String(), s.ApiKey)
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}
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if err != nil {
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return "", err
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}
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url = url + fmt.Sprintf("lat=%f", lat) + fmt.Sprintf("&lon=%f", lon) + units
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return url, nil
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}
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