107 lines
2.4 KiB
Go
107 lines
2.4 KiB
Go
/*
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* MumbleDJ
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* By Matthieu Grieger
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* service.go
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* Copyright (c) 2014, 2015 Matthieu Grieger (MIT License)
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*/
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package main
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import (
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"errors"
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"fmt"
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"regexp"
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"github.com/layeh/gumble/gumble"
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)
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// Service interface. Each service will implement these functions
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type Service interface {
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URLRegex(string) bool
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NewRequest(*gumble.User, string) (string, error)
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}
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// Song interface. Each service will implement these
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// functions in their Song types.
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type Song interface {
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Download() error
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Play()
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Delete() error
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AddSkip(string) error
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RemoveSkip(string) error
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SkipReached(int) bool
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Submitter() string
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Title() string
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ID() string
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Filename() string
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Duration() string
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Thumbnail() string
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Playlist() Playlist
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DontSkip() bool
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SetDontSkip(bool)
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}
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// Playlist interface. Each service will implement these
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// functions in their Playlist types.
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type Playlist interface {
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AddSkip(string) error
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RemoveSkip(string) error
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DeleteSkippers()
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SkipReached(int) bool
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ID() string
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Title() string
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}
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var services []Service
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// FindServiceAndAdd tries the given url with each service
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// and adds the song/playlist with the correct service
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func FindServiceAndAdd(user *gumble.User, url string) error {
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var urlService Service
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// Checks all services to see if any can take the URL
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for _, service := range services {
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if service.URLRegex(url) {
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urlService = service
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}
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}
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if urlService == nil {
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return errors.New(INVALID_URL_MSG)
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} else {
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oldLength := dj.queue.Len()
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var title string
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var err error
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if title, err = urlService.NewRequest(user, url); err == nil {
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dj.client.Self.Channel.Send(fmt.Sprintf(SONG_ADDED_HTML, user.Name, title), false)
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// Starts playing the new song if nothing else is playing
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if oldLength == 0 && dj.queue.Len() != 0 && !dj.audioStream.IsPlaying() {
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if err := dj.queue.CurrentSong().Download(); err == nil {
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dj.queue.CurrentSong().Play()
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} else {
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dj.queue.CurrentSong().Delete()
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dj.queue.OnSongFinished()
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return errors.New("FAILED_TO_DOWNLOAD")
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}
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}
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} else {
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dj.SendPrivateMessage(user, err.Error())
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}
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return err
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}
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}
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// RegexpFromURL loops through an array of patterns to see if it matches the url
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func RegexpFromURL(url string, patterns []string) *regexp.Regexp {
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for _, pattern := range patterns {
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if re, err := regexp.Compile(pattern); err == nil {
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if re.MatchString(url) {
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return re
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}
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}
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}
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return nil
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}
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