gator/internal/executors/login.go

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package executors
import (
"context"
"fmt"
"codeflow.dananglin.me.uk/apollo/gator/internal/state"
)
func Login(s *state.State, exe Executor) error {
if len(exe.Args) != 1 {
return fmt.Errorf("unexpected number of arguments: want 1, got %d", len(exe.Args))
}
username := exe.Args[0]
user, err := s.DB.GetUserByName(context.Background(), username)
if err != nil {
return fmt.Errorf("unable to get the user from the database: %w", err)
}
if err := s.Config.SetUser(user.Name); err != nil {
return fmt.Errorf("login error: %w", err)
}
fmt.Printf("The current user is set to %q.\n", username)
return nil
}