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package main
import (
"encoding/json"
"fmt"
"log"
"math/rand"
"strconv"
"strings"
"time"
"github.com/go-redis/redis"
)
type incomingIRC struct {
Command string `json:"Command"`
Host string `json:"Host"`
Name string `json:"Name"`
Params []string `json:"Params"`
User string `json:"User"`
}
var suppressionUsernames map[string]bool
var noMkov map[string]bool
func main() {
redisc := redis.NewClient(&redis.Options{
Addr: fmt.Sprintf("127.0.0.1:%d", 6379),
Password: "", // no password set
DB: 0, // use default DB
})
fireaway := make(chan incomingIRC, 10)
suppressionUsernames = make(map[string]bool)
suppressionList := redisc.HGetAll("suppressionList")
suppressionListA, _ := suppressionList.Result()
suppressionListMap, _ := stringMaptoIntMap(suppressionListA)
for v, _ := range suppressionListMap {
suppressionUsernames[v] = true
suppressionUsernames[strings.ToLower(v)] = true
}
noMkov = make(map[string]bool)
noMkovRedis := redisc.HGetAll("nomkov")
noMkovRedisA, _ := noMkovRedis.Result()
noMkovMap, _ := stringMaptoIntMap(noMkovRedisA)
for v, _ := range noMkovMap {
noMkov[v] = true
noMkov[strings.ToLower(v)] = true
}
go func() {
for {
irccloudFeed := redisc.Subscribe("irccloud")
for {
msg, err := irccloudFeed.ReceiveMessage()
if err != nil {
break
}
imsg := incomingIRC{}
err = json.Unmarshal([]byte(msg.Payload), &imsg)
if err != nil {
log.Printf("Json decoding error from irccloud feed %s", err)
continue
}
if imsg.Command == "PRIVMSG" {
if len(imsg.Params) == 2 {
if imsg.Params[0] == "##tvl" || imsg.Params[0] == "##tvlbot" {
fireaway <- imsg
}
}
}
}
time.Sleep(time.Second)
}
}()
for msg := range fireaway {
// Learn
learnFromMessage(msg, redisc)
msg2 := generateMesasge(msg, redisc)
// Check if we have a active log in for that user
ttl := redisc.TTL("alive-" + msg.Name + "-eb")
ttld, err := ttl.Result()
if err == nil {
redisc.Publish("irc-"+msg.Name+"-eb", msg2)
if ttld == 0 || ttld.Seconds() == -2 {
redisc.Publish("irc-tvlebooks-eb", "<"+fmt.Sprintf("%s.%s", string(msg.Name[0]), msg.Name[1:])+"-eb> "+msg2)
}
} else {
redisc.Publish("irc-tvlebooks-eb", "<"+fmt.Sprintf("%s.%s", string(msg.Name[0]), msg.Name[1:])+"-eb> "+msg2)
}
}
}
func generateMesasge(msg incomingIRC, redisc *redis.Client) string {
text := msg.Params[1]
username := strings.ToLower(msg.Name)
suppressionUsernames[username] = true
suppressionUsernames[username+":"] = true
suppressionUsernames[msg.Name] = true
suppressionUsernames[msg.Name+":"] = true
redisc.HIncrBy("suppressionList", msg.Name, 1)
text = strings.ToLower(text)
text = strings.Replace(text, ",", "", -1)
text = strings.Replace(text, ",", "", -1)
text = strings.Replace(text, ".", "", -1)
text = strings.Replace(text, "!", "", -1)
text = strings.Replace(text, "?", "", -1)
words := strings.Split(text, " ")
lastWord := propwords(msg.Name, words[0], redisc)
if noMkov[username] {
lastWord = blockoutWord(lastWord)
words[0] = blockoutWord(words[0])
}
lastWord = filterHighlights(lastWord)
if lastWord == "_END_" {
if noMkov[username] {
return blockoutWord(words[0])
}
return words[0]
}
outputMsg := words[0] + " " + lastWord + " "
for {
lastWord = propwords(username, lastWord, redisc)
if lastWord == "" || lastWord == "_END_" {
return outputMsg
}
if noMkov[username] {
lastWord = blockoutWord(lastWord)
}
lastWord = filterHighlights(lastWord)
outputMsg += lastWord + " "
if len(outputMsg) > 100 {
return outputMsg
}
}
}
// filterHighlights: tries to prevent highlights by checking against
// a map called suppressionUsernames
func filterHighlights(in string) string {
for username := range suppressionUsernames {
if strings.Contains(in, username) {
if len(in) < 2 {
in = fmt.Sprintf("%s.%s", string(in[0]), in[1:])
return in
}
}
}
return in
}
func blockoutWord(in string) string {
block := ""
for i := 0; i < len(in); i++ {
block += "█"
}
return block
}
func propwords(username string, start string, redisc *redis.Client) string {
userHash := redisc.HGetAll(fmt.Sprintf("%s-%s", username, start))
userHashMap, err := userHash.Result()
if err != nil {
genericHash := redisc.HGetAll(fmt.Sprintf("generic-%s", start))
userHashMap, err = genericHash.Result()
}
userIntHashMap, totalVectors := stringMaptoIntMap(userHashMap)
if totalVectors == 0 {
return ""
}
targetRand := rand.Intn(totalVectors)
progresRand := 0
for k, v := range userIntHashMap {
progresRand += v
if targetRand > progresRand {
return k
}
}
for k, _ := range userIntHashMap {
return k
}
return ""
}
func stringMaptoIntMap(in map[string]string) (outMap map[string]int, total int) {
outMap = make(map[string]int)
for k, v := range in {
i, err := strconv.ParseInt(v, 10, 64)
if err != nil {
continue
}
total += int(i)
outMap[k] = int(i)
}
return outMap, total
}
func learnFromMessage(msg incomingIRC, redisc *redis.Client) {
text := msg.Params[1]
text = strings.ToLower(text)
text = strings.Replace(text, ",", "", -1)
text = strings.Replace(text, ",", "", -1)
text = strings.Replace(text, ".", "", -1)
text = strings.Replace(text, "!", "", -1)
text = strings.Replace(text, "?", "", -1)
words := strings.Split(text, " ")
username := msg.Name
for k, word := range words {
// HINCRBY myhash field 1
nextWord := "_END_"
if len(words)-1 != k {
nextWord = words[k+1]
}
if !noMkov[username] {
redisc.HIncrBy(fmt.Sprintf("%s-%s", username, word), nextWord, 1)
}
redisc.HIncrBy(fmt.Sprintf("generic-%s", word), nextWord, 1)
}
}
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