mirror of https://github.com/velour/catbase.git
97 lines
3.0 KiB
Go
97 lines
3.0 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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"bufio"
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"fmt"
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"html"
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"net/http"
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"strings"
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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(b bot.Bot) *NerdepediaPlugin {
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np := &NerdepediaPlugin{
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bot: b,
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config: b.Config(),
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}
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b.Register(np, bot.Message, np.message)
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b.Register(np, bot.Help, np.help)
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return np
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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(kind bot.Kind, message msg.Message, args ...interface{}) 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" || lowerCase == "the spice must flow" {
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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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} else if lowerCase == "pikachu i choose you" || lowerCase == "gotta catch em all" {
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query = "http://pokemon.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.Send(bot.Message, 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(kind bot.Kind, message msg.Message, args ...interface{}) bool {
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p.bot.Send(bot.Message, message.Channel, "nerd stuff")
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return true
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}
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