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mumbledj/commands/skip.go

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/*
* MumbleDJ
* By Matthieu Grieger
* commands/skip.go
* Copyright (c) 2016 Matthieu Grieger (MIT License)
*/
package commands
import (
"errors"
"fmt"
"github.com/layeh/gumble/gumble"
"github.com/spf13/viper"
)
// SkipCommand is a command that places a vote to skip the current track.
type SkipCommand struct{}
// Aliases returns the current aliases for the command.
func (c *SkipCommand) Aliases() []string {
return viper.GetStringSlice("commands.skip.aliases")
}
// Description returns the description for the command.
func (c *SkipCommand) Description() string {
return viper.GetString("commands.skip.description")
}
// IsAdminCommand returns true if the command is only for admin use, and
// returns false otherwise.
func (c *SkipCommand) IsAdminCommand() bool {
return viper.GetBool("commands.skip.is_admin")
}
// Execute executes the command with the given user and arguments.
// Return value descriptions:
// string: A message to be returned to the user upon successful execution.
// bool: Whether the message should be private or not. true = private,
// false = public (sent to whole channel).
// error: An error message to be returned upon unsuccessful execution.
// If no error has occurred, pass nil instead.
// Example return statement:
// return "This is a private message!", true, nil
func (c *SkipCommand) Execute(user *gumble.User, args ...string) (string, bool, error) {
if DJ.Queue.Length() == 0 {
return "", true, errors.New(viper.GetString("commands.common_messages.no_tracks_error"))
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}
if DJ.Queue.GetTrack(0).GetSubmitter() == user.Name {
// The user who submitted the track is skipping, this means we skip this track immediately.
DJ.Queue.StopCurrent()
return fmt.Sprintf(viper.GetString("commands.skip.messages.submitter_voted"), user.Name), false, nil
}
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if err := DJ.Skips.AddTrackSkip(user); err != nil {
return "", true, errors.New(viper.GetString("commands.skip.messages.already_voted_error"))
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}
return fmt.Sprintf(viper.GetString("commands.skip.messages.voted"), user.Name), false, nil
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}