58 lines
1.7 KiB
Go
58 lines
1.7 KiB
Go
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/*
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* MumbleDJ
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* By Matthieu Grieger
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* commands/shuffle.go
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* Copyright (c) 2016 Matthieu Grieger (MIT License)
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*/
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package commands
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import (
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"errors"
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"github.com/layeh/gumble/gumble"
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"github.com/spf13/viper"
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)
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// ShuffleCommand is a command that shuffles the audio queue.
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type ShuffleCommand struct{}
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// Aliases returns the current aliases for the command.
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func (c *ShuffleCommand) Aliases() []string {
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return viper.GetStringSlice("commands.shuffle.aliases")
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}
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// Description returns the description for the command.
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func (c *ShuffleCommand) Description() string {
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return viper.GetString("commands.shuffle.description")
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}
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// IsAdminCommand returns true if the command is only for admin use, and
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// returns false otherwise.
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func (c *ShuffleCommand) IsAdminCommand() bool {
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return viper.GetBool("commands.shuffle.is_admin")
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}
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// Execute executes the command with the given user and arguments.
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// Return value descriptions:
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// string: A message to be returned to the user upon successful execution.
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// bool: Whether the message should be private or not. true = private,
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// false = public (sent to whole channel).
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// error: An error message to be returned upon unsuccessful execution.
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// If no error has occurred, pass nil instead.
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// Example return statement:
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// return "This is a private message!", true, nil
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func (c *ShuffleCommand) Execute(user *gumble.User, args ...string) (string, bool, error) {
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length := DJ.Queue.Length()
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if length == 0 {
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return "", true, errors.New("There are no tracks currently in the queue")
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}
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if length <= 2 {
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return "", true, errors.New("There are not enough tracks in the queue to execute a shuffle")
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}
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DJ.Queue.ShuffleTracks()
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return "The audio queue has been shuffled.", false, nil
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}
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