catbase/plugins/admin.go

109 lines
2.8 KiB
Go

// © 2013 the AlePale Authors under the WTFPL. See AUTHORS for the list of authors.
package plugins
import (
"database/sql"
"fmt"
"log"
"math/rand"
"strings"
"time"
"github.com/chrissexton/alepale/bot"
)
// This is a admin plugin to serve as an example and quick copy/paste for new plugins.
type AdminPlugin struct {
Bot *bot.Bot
DB *sql.DB
}
// NewAdminPlugin creates a new AdminPlugin with the Plugin interface
func NewAdminPlugin(bot *bot.Bot) *AdminPlugin {
p := &AdminPlugin{
Bot: bot,
DB: bot.DB,
}
p.LoadData()
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 *AdminPlugin) Message(message bot.Message) bool {
// This bot does not reply to anything
if !message.User.Admin {
return false
}
body := message.Body
if body[0] == '$' {
return p.handleVariables(message)
}
return false
}
func (p *AdminPlugin) handleVariables(message bot.Message) bool {
parts := strings.SplitN(message.Body, "=", 2)
if len(parts) != 2 {
return false
}
variable := strings.TrimSpace(parts[0])
value := parts[1]
var count int64
var varId int64
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)
switch {
case err == sql.ErrNoRows:
_, err := p.DB.Exec(`insert into values (varId, value) values (?, ?)`, varId, value)
if err != nil {
log.Println(err)
}
msg := fmt.Sprintf("Added '%s' to %s.\n", value, variable)
p.Bot.SendMessage(message.Channel, msg)
return true
case err != nil:
p.Bot.SendMessage(message.Channel, "I'm broke and need attention in my variable creation code.")
log.Println(err)
return true
}
p.Bot.SendMessage(message.Channel, "I've already got that one.")
return true
}
// LoadData imports any configuration data into the plugin. This is not strictly necessary other
// than the fact that the Plugin interface demands it exist. This may be deprecated at a later
// date.
func (p *AdminPlugin) LoadData() {
// This bot has no data to load
rand.Seed(time.Now().Unix())
}
// Help responds to help requests. Every plugin must implement a help function.
func (p *AdminPlugin) Help(channel string, parts []string) {
p.Bot.SendMessage(channel, "This does super secret things that you're not allowed to know about.")
}
// Empty event handler because this plugin does not do anything on event recv
func (p *AdminPlugin) Event(kind string, message bot.Message) bool {
return false
}
// Handler for bot's own messages
func (p *AdminPlugin) BotMessage(message bot.Message) bool {
return false
}
// Register any web URLs desired
func (p *AdminPlugin) RegisterWeb() *string {
return nil
}