69 lines
1.4 KiB
Go
69 lines
1.4 KiB
Go
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package discord
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import (
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"fmt"
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"log"
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"strings"
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"github.com/bwmarrin/discordgo"
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)
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type (
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MessageHandler interface {
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Signature() string
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Description() string
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IsValid(string) bool
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Handle(s *discordgo.Session, m *discordgo.MessageCreate)
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}
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HandlerProcessor struct {
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appVersion string
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handlers []MessageHandler
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}
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)
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func NewProcessor(appVersion string) *HandlerProcessor {
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return &HandlerProcessor{
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appVersion: appVersion,
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}
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}
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func (h *HandlerProcessor) AddHandler(handler MessageHandler) {
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h.handlers = append(h.handlers, handler)
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}
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func (h *HandlerProcessor) HelpMessage() string {
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helpMessage := fmt.Sprintf("ГалчедБот версии %s. Описание команд: \n"+
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" **!galched** - список команд бота\n", h.appVersion)
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for i := range h.handlers {
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helpMessage += fmt.Sprintf(" **%s** - %s\n",
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h.handlers[i].Signature(),
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h.handlers[i].Description())
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}
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return strings.TrimRight(helpMessage, "\n")
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}
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func (h *HandlerProcessor) Process(s *discordgo.Session, m *discordgo.MessageCreate) {
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if m.Author.ID == s.State.User.ID {
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return
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}
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if strings.HasPrefix(m.Content, "!galched") {
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LogMessage(m)
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_, err := s.ChannelMessageSend(m.ChannelID, h.HelpMessage())
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if err != nil {
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log.Printf("discord: cannot send message [%s]: %v", h.HelpMessage(), err)
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}
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}
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for i := range h.handlers {
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if h.handlers[i].IsValid(m.Content) {
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h.handlers[i].Handle(s, m)
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break
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}
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}
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}
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