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reddit.go
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reddit.go
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package reddit
//go:generate esc -o assets_gen.go -pkg reddit -ignore ".go" assets/
import (
"context"
"encoding/json"
"fmt"
"github.com/jonas747/discordgo"
"github.com/jonas747/yagpdb/common"
"github.com/jonas747/yagpdb/common/mqueue"
"github.com/jonas747/yagpdb/premium"
"github.com/mediocregopher/radix.v3"
log "github.com/sirupsen/logrus"
"strconv"
"strings"
"sync"
)
type Plugin struct {
stopFeedChan chan *sync.WaitGroup
}
func (p *Plugin) Name() string {
return "Reddit"
}
// Remove feeds if they don't point to a proper channel
func (p *Plugin) HandleMQueueError(elem *mqueue.QueuedElementNoKallax, err error) {
code, _ := common.DiscordError(err)
if code != discordgo.ErrCodeUnknownChannel && code != discordgo.ErrCodeMissingAccess && code != discordgo.ErrCodeMissingPermissions {
l := log.WithError(err).WithField("channel", elem.Channel)
l = l.WithField("s_msg", elem.MessageEmbed)
l.Warn("Error posting reddit message")
return
}
log.WithError(err).WithField("channel", elem.Channel).Info("Removing reddit feed to nonexistant discord channel")
// channelid:feed-id
split := strings.Split(elem.SourceID, ":")
if len(split) < 2 {
log.Error("Invalid queued item: ", elem.ID)
return
}
guildID := split[0]
itemID := split[1]
currentConfig, err := GetConfig("guild_subreddit_watch:" + guildID)
if err != nil {
log.WithError(err).Error("Failed fetching config to remove")
return
}
parsed, err := strconv.Atoi(itemID)
if err != nil {
log.WithError(err).WithField("mq_id", elem.ID).Error("Failed parsing item id")
}
parsedGID, _ := strconv.ParseInt(guildID, 10, 64)
for _, v := range currentConfig {
if v.ID == parsed {
v.Remove()
common.AddCPLogEntry(common.BotUser, parsedGID, "Removed reddit feed from "+v.Sub+", Channel does not exist or no perms")
break
}
}
}
func RegisterPlugin() {
plugin := &Plugin{
stopFeedChan: make(chan *sync.WaitGroup),
}
common.RegisterPlugin(plugin)
mqueue.RegisterSource("reddit", plugin)
}
type SubredditWatchItem struct {
Sub string `json:"sub"`
Guild string `json:"guild"`
Channel string `json:"channel"`
ID int `json:"id"`
UseEmbeds bool `json:"use_embeds"`
}
func FindWatchItem(source []*SubredditWatchItem, id int) *SubredditWatchItem {
for _, c := range source {
if c.ID == id {
return c
break
}
}
return nil
}
func (item *SubredditWatchItem) Set() error {
serialized, err := json.Marshal(item)
if err != nil {
return err
}
guild := item.Guild
err = common.RedisPool.Do(radix.Pipeline(
radix.FlatCmd(nil, "HSET", "guild_subreddit_watch:"+guild, item.ID, serialized),
radix.FlatCmd(nil, "HSET", "global_subreddit_watch:"+strings.ToLower(item.Sub), fmt.Sprintf("%s:%d", guild, item.ID), serialized),
))
return err
}
func (item *SubredditWatchItem) Remove() error {
guild := item.Guild
err := common.RedisPool.Do(radix.Pipeline(
radix.FlatCmd(nil, "HDEL", "guild_subreddit_watch:"+guild, item.ID),
radix.FlatCmd(nil, "HDEL", "global_subreddit_watch:"+strings.ToLower(item.Sub), fmt.Sprintf("%s:%d", guild, item.ID)),
))
return err
}
func GetConfig(key string) ([]*SubredditWatchItem, error) {
var rawItems map[string]string
err := common.RedisPool.Do(radix.Cmd(&rawItems, "HGETALL", key))
if err != nil {
return nil, err
}
out := make([]*SubredditWatchItem, len(rawItems))
i := 0
for k, raw := range rawItems {
var decoded *SubredditWatchItem
err := json.Unmarshal([]byte(raw), &decoded)
if err != nil {
return nil, err
}
if err != nil {
id, _ := strconv.ParseInt(k, 10, 32)
out[i] = &SubredditWatchItem{
Sub: "ERROR",
Channel: "ERROR DECODING",
ID: int(id),
}
log.WithError(err).Error("Failed decoding reddit watch item")
} else {
out[i] = decoded
}
i++
}
return out, nil
}
const (
// Max feeds per guild
GuildMaxFeedsNormal = 100
GuildMaxFeedsPremium = 1000
)
func MaxFeedForCtx(ctx context.Context) int {
if premium.ContextPremium(ctx) {
return GuildMaxFeedsPremium
}
return GuildMaxFeedsNormal
}