89 lines
1.9 KiB
Go
89 lines
1.9 KiB
Go
/*
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* MumbleDJ
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* By Matthieu Grieger
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* services/generic_service.go
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* Copyright (c) 2016 Matthieu Grieger (MIT License)
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*/
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package services
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import (
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"errors"
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"regexp"
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)
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// GenericService is a generic struct that should be embedded
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// in other service structs, as it provides useful helper
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// methods and properties.
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type GenericService struct {
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ReadableName string
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Format string
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TrackRegex []*regexp.Regexp
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PlaylistRegex []*regexp.Regexp
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}
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// GetReadableName returns the readable name for the service.
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func (gs *GenericService) GetReadableName() string {
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return gs.ReadableName
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}
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// GetFormat returns the youtube-dl format for the service.
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func (gs *GenericService) GetFormat() string {
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return gs.Format
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}
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// CheckURL matches the passed URL with a list of regex patterns
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// for valid URLs associated with this service. Returns true if a
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// match is found, false otherwise.
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func (gs *GenericService) CheckURL(url string) bool {
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if gs.isTrack(url) || gs.isPlaylist(url) {
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return true
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}
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return false
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}
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func (gs *GenericService) isTrack(url string) bool {
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for _, regex := range gs.TrackRegex {
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if regex.MatchString(url) {
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return true
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}
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}
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return false
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}
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func (gs *GenericService) isPlaylist(url string) bool {
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for _, regex := range gs.PlaylistRegex {
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if regex.MatchString(url) {
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return true
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}
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}
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return false
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}
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func (gs *GenericService) getID(url string) (string, error) {
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var allRegex []*regexp.Regexp
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if gs.PlaylistRegex != nil {
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allRegex = append(gs.TrackRegex, gs.PlaylistRegex...)
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} else {
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allRegex = gs.TrackRegex
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}
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for _, regex := range allRegex {
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match := regex.FindStringSubmatch(url)
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if match == nil {
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// Move on to next regex, this one didn't match.
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continue
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}
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result := make(map[string]string)
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for i, name := range regex.SubexpNames() {
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if i < len(match) {
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result[name] = match[i]
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}
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}
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return result["id"], nil
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}
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return "", errors.New("No match found for URL")
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}
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