mirror of
https://codeberg.org/andyscott/OpenWeather-gRPC-API.git
synced 2024-12-04 09:57:20 -05:00
57 lines
1.3 KiB
Go
57 lines
1.3 KiB
Go
package main
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import (
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"context"
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"fmt"
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"log"
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pb "codeberg.org/andyscott/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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token := "&appid=" + s.ApiKey
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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(
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"Invalid location or location type: %v, %v\n",
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in.Location,
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in.LocationType,
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))
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}
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fcst, err := fetchForecast(url + token)
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if err != nil {
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return nil, status.Errorf(
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codes.Internal,
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fmt.Sprintf(
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"A server error occurred while fetching the forecast: %v\n",
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err,
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))
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}
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return &pb.SendFiveDay{
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Payload: fcst,
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}, nil
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}
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// Assembles the URL for five day requests to Open Weather
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func (s *Server) createFiveDayUrl(in *pb.RequestFiveDay) (string, error) {
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url := "https://api.openweathermap.org/data/2.5/forecast?"
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units := updateUnits(in.Units)
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lat, lon, err := s.fetchLocation(in.LocationType, in.Location)
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if err != nil {
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return "", err
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}
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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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