// © 2013 the CatBase Authors under the WTFPL. See AUTHORS for the list of authors. package plugins import ( "database/sql" "fmt" "log" "math/rand" "strings" "time" "github.com/velour/catbase/bot" ) // This is a skeleton plugin to serve as an example and quick copy/paste for new // plugins. type RememberPlugin struct { Bot *bot.Bot Log map[string][]bot.Message db *sql.DB } // NewRememberPlugin creates a new RememberPlugin with the Plugin interface func NewRememberPlugin(b *bot.Bot) *RememberPlugin { p := RememberPlugin{ Bot: b, Log: make(map[string][]bot.Message), db: b.DB, } return &p } // Message responds to the bot hook on recieving messages. // This function returns true if the plugin responds in a meaningful way to the // users message. Otherwise, the function returns false and the bot continues // execution of other plugins. func (p *RememberPlugin) Message(message bot.Message) bool { if strings.ToLower(message.Body) == "quote" && message.Command { q := p.randQuote() p.Bot.SendMessage(message.Channel, q) // is it evil not to remember that the user said quote? return true } user := message.User parts := strings.Split(message.Body, " ") if message.Command && len(parts) >= 3 && strings.ToLower(parts[0]) == "remember" { // we have a remember! // look through the logs and find parts[1] as a user, if not, // fuck this hoser snips := strings.Split(strings.Join(parts[1:], " "), "$and") var msgs []string var trigger string for _, snip := range snips { snip = strings.TrimSpace(snip) snipParts := strings.Split(snip, " ") nick := snipParts[0] snip := strings.Join(snipParts[1:], " ") for i := len(p.Log[message.Channel]) - 1; i >= 0; i-- { entry := p.Log[message.Channel][i] if strings.ToLower(entry.User.Name) == strings.ToLower(nick) && strings.Contains( strings.ToLower(entry.Body), strings.ToLower(snip), ) { // check if it's an action if entry.Action { msgs = append(msgs, fmt.Sprintf("*%s* %s", entry.User.Name, entry.Body)) } else { msgs = append(msgs, fmt.Sprintf("<%s> %s", entry.User.Name, entry.Body)) } if trigger == "" { trigger = fmt.Sprintf("%s quotes", entry.User.Name) } } } } if len(msgs) == len(snips) { msg := strings.Join(msgs, "$and") fact := factoid{ fact: strings.ToLower(trigger), verb: "reply", tidbit: msg, owner: user.Name, created: time.Now(), accessed: time.Now(), count: 0, } if err := fact.save(p.db); err != nil { log.Println("ERROR!!!!:", err) p.Bot.SendMessage(message.Channel, "Tell somebody I'm broke.") } log.Println("Remembering factoid:", msg) // sorry, not creative with names so we're reusing msg msg = fmt.Sprintf("Okay, %s, remembering '%s'.", message.User.Name, msg) p.Bot.SendMessage(message.Channel, msg) p.Log[message.Channel] = append(p.Log[message.Channel], message) return true } p.Bot.SendMessage(message.Channel, "Sorry, I don't know that phrase.") p.Log[message.Channel] = append(p.Log[message.Channel], message) return true } p.Log[message.Channel] = append(p.Log[message.Channel], message) return false } // Help responds to help requests. Every plugin must implement a help function. func (p *RememberPlugin) Help(channel string, parts []string) { msg := "!remember will let you quote your idiot friends. Just type " + "!remember to remember what they said. Snippet can " + "be any part of their message. Later on, you can ask for a random " + "!quote." p.Bot.SendMessage(channel, msg) } // deliver a random quote out of the db. // Note: this is the same cache for all channels joined. This plugin needs to be // expanded to have this function execute a quote for a particular channel func (p *RememberPlugin) randQuote() string { var f factoid var tmpCreated int64 var tmpAccessed int64 err := p.db.QueryRow(`select * from factoid where fact like '%quotes' order by random() limit 1;`).Scan( &f.id, &f.fact, &f.tidbit, &f.verb, &f.owner, &tmpCreated, &tmpAccessed, &f.count, ) if err != nil { log.Println("Error getting quotes: ", err) return "I had a problem getting your quote." } f.created = time.Unix(tmpCreated, 0) f.accessed = time.Unix(tmpAccessed, 0) return f.tidbit } func (p *RememberPlugin) quoteTimer(channel string) { for { // this pisses me off: You can't multiply int * time.Duration so it // has to look ugly as shit. time.Sleep(time.Duration(p.Bot.Config.QuoteTime) * time.Minute) chance := 1.0 / p.Bot.Config.QuoteChance if rand.Intn(int(chance)) == 0 { msg := p.randQuote() p.Bot.SendMessage(channel, msg) } } } // Empty event handler because this plugin does not do anything on event recv func (p *RememberPlugin) Event(kind string, message bot.Message) bool { return false } // Record what the bot says in the log func (p *RememberPlugin) BotMessage(message bot.Message) bool { p.Log[message.Channel] = append(p.Log[message.Channel], message) return false } // Register any web URLs desired func (p *RememberPlugin) RegisterWeb() *string { return nil }