mirror of https://github.com/velour/catbase.git
113 lines
2.9 KiB
Go
113 lines
2.9 KiB
Go
// © 2013 the CatBase Authors under the WTFPL. See AUTHORS for the list of authors.
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package plugins
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import (
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"database/sql"
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"fmt"
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"log"
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"math/rand"
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"strings"
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"time"
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"github.com/velour/catbase/bot"
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)
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// This is a admin plugin to serve as an example and quick copy/paste for new plugins.
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type AdminPlugin struct {
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Bot *bot.Bot
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DB *sql.DB
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}
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// NewAdminPlugin creates a new AdminPlugin with the Plugin interface
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func NewAdminPlugin(bot *bot.Bot) *AdminPlugin {
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p := &AdminPlugin{
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Bot: bot,
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DB: bot.DB,
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}
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p.LoadData()
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return p
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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 *AdminPlugin) Message(message bot.Message) bool {
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// This bot does not reply to anything
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if !message.User.Admin {
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return false
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}
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body := message.Body
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if len(body) == 0 {
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return false
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}
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if body[0] == '$' {
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return p.handleVariables(message)
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}
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return false
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}
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func (p *AdminPlugin) handleVariables(message bot.Message) bool {
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parts := strings.SplitN(message.Body, "=", 2)
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if len(parts) != 2 {
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return false
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}
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variable := strings.TrimSpace(parts[0])
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value := parts[1]
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var count int64
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var varId int64
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err := p.DB.QueryRow(`select count(*), varId from variables vs inner join values v on vs.id = v.varId where vs.name = ? and v.value = ?`, variable, value).Scan(&count)
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switch {
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case err == sql.ErrNoRows:
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_, err := p.DB.Exec(`insert into values (varId, value) values (?, ?)`, varId, value)
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if err != nil {
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log.Println(err)
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}
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msg := fmt.Sprintf("Added '%s' to %s.\n", value, variable)
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p.Bot.SendMessage(message.Channel, msg)
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return true
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case err != nil:
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p.Bot.SendMessage(message.Channel, "I'm broke and need attention in my variable creation code.")
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log.Println("Admin error: ", err)
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return true
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}
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p.Bot.SendMessage(message.Channel, "I've already got that one.")
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return true
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}
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// LoadData imports any configuration data into the plugin. This is not strictly necessary other
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// than the fact that the Plugin interface demands it exist. This may be deprecated at a later
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// date.
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func (p *AdminPlugin) LoadData() {
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// This bot has no data to load
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rand.Seed(time.Now().Unix())
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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 *AdminPlugin) Help(channel string, parts []string) {
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p.Bot.SendMessage(channel, "This does super secret things that you're not allowed to know about.")
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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 *AdminPlugin) Event(kind string, message bot.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 *AdminPlugin) BotMessage(message bot.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 *AdminPlugin) RegisterWeb() *string {
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return nil
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}
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