mirror of https://github.com/velour/catbase.git
108 lines
3.1 KiB
Go
108 lines
3.1 KiB
Go
// © 2019 the CatBase Authors under the WTFPL. See AUTHORS for the list of authors.
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package nerdepedia
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import (
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"fmt"
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"strings"
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"html"
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"net/http"
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"bufio"
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"github.com/velour/catbase/bot"
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"github.com/velour/catbase/bot/msg"
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"github.com/velour/catbase/config"
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)
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const (
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descriptionPrefix = "<meta name=\"description\" content=\""
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linkPrefix = "<link rel=\"canonical\" href=\""
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closingTagSuffix = "\" />"
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)
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type NerdepediaPlugin struct {
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bot bot.Bot
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config *config.Config
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}
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// NewNerdepediaPlugin creates a new NerdepediaPlugin with the Plugin interface
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func New(bot bot.Bot) *NerdepediaPlugin {
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return &NerdepediaPlugin{
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bot: bot,
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config: bot.Config(),
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}
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}
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// Message responds to the bot hook on recieving messages.
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// This function returns true if the plugin responds in a meaningful way to the users message.
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// Otherwise, the function returns false and the bot continues execution of other plugins.
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func (p *NerdepediaPlugin) Message(message msg.Message) bool {
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lowerCase := strings.ToLower(message.Body)
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query := ""
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if lowerCase == "may the force be with you" || lowerCase == "help me obi-wan" {
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query = "http://starwars.wikia.com/wiki/Special:Random"
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} else if lowerCase == "beam me up scotty" || lowerCase == "live long and prosper" {
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query = "http://memory-alpha.wikia.com/wiki/Special:Random"
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} else if lowerCase == "bless the maker" || lowerCase == "i must not fear" {
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query = "http://dune.wikia.com/wiki/Special:Random"
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} else if lowerCase == "my precious" || lowerCase == "one ring to rule them all" || lowerCase == "one does not simply walk into mordor" {
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query = "http://lotr.wikia.com/wiki/Special:Random"
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}
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if query != "" {
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resp, err := http.Get(query)
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if err != nil {
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return false
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}
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defer resp.Body.Close()
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scanner := bufio.NewScanner(resp.Body)
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link := ""
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description := ""
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for scanner.Scan() {
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line := scanner.Text()
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if description == "" {
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index := strings.Index(line, descriptionPrefix)
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if index >= 0 {
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description = html.UnescapeString(html.UnescapeString(strings.TrimSuffix(strings.TrimPrefix(line, descriptionPrefix), closingTagSuffix)))
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}
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}
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if link == "" {
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index := strings.Index(line, linkPrefix)
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if index >= 0 {
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link = strings.TrimSuffix(strings.TrimPrefix(line, linkPrefix), closingTagSuffix)
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}
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}
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if description != "" && link != "" {
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p.bot.SendMessage(message.Channel, fmt.Sprintf("%s (%s)", description, link))
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return true
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}
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}
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}
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return false
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}
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// Help responds to help requests. Every plugin must implement a help function.
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func (p *NerdepediaPlugin) Help(channel string, parts []string) {
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p.bot.SendMessage(channel, "nerd stuff")
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}
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// Empty event handler because this plugin does not do anything on event recv
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func (p *NerdepediaPlugin) Event(kind string, message msg.Message) bool {
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return false
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}
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// Handler for bot's own messages
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func (p *NerdepediaPlugin) BotMessage(message msg.Message) bool {
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return false
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}
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// Register any web URLs desired
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func (p *NerdepediaPlugin) RegisterWeb() *string {
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return nil
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}
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func (p *NerdepediaPlugin) ReplyMessage(message msg.Message, identifier string) bool { return false }
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