core/internal/workers/tg_worker.go

113 lines
2.5 KiB
Go

package workers
import (
"context"
"encoding/json"
"fmt"
"github.com/go-redis/redis/v8"
"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/dal"
"penahub.gitlab.yandexcloud.net/backend/quiz/common.git/model"
"penahub.gitlab.yandexcloud.net/backend/quiz/core/internal/clients/telegram"
"strconv"
"time"
)
type Deps struct {
BotID int64
Redis *redis.Client
Dal *dal.DAL
TgClient *telegram.TelegramClient
}
type TgListenerWorker struct {
botID int64
redis *redis.Client
dal *dal.DAL
tgClient *telegram.TelegramClient
}
func NewTgListenerWC(deps Deps) *TgListenerWorker {
return &TgListenerWorker{
botID: deps.BotID,
redis: deps.Redis,
dal: deps.Dal,
tgClient: deps.TgClient,
}
}
func (wc *TgListenerWorker) Start(ctx context.Context) {
ticker := time.NewTicker(10 * time.Second) //time.Minute
defer ticker.Stop()
for {
select {
case <-ticker.C:
wc.processTasks(ctx)
case <-ctx.Done():
return
}
}
}
func (wc *TgListenerWorker) processTasks(ctx context.Context) {
var cursor uint64
for {
var keys []string
var err error
keys, cursor, err = wc.redis.Scan(ctx, cursor, "telegram_task:*", 0).Result()
if err != nil {
fmt.Println("Failed scan for telegram tasks:", err)
break
}
for _, key := range keys {
func() {
taskBytes, err := wc.redis.GetDel(ctx, key).Result()
if err == redis.Nil {
return
} else if err != nil {
fmt.Println("Failed getdel telegram task:", err)
return
}
// todo logging into tg with trashlog
var aimErr error
defer func() {
if r := recover(); r != nil || aimErr != nil {
fmt.Println("recovering from panic or error setting redis value:", r, aimErr)
_ = wc.redis.Set(ctx, key, taskBytes, 0).Err()
}
}()
var task model.TgRedisTask
if err = json.Unmarshal([]byte(taskBytes), &task); err != nil {
fmt.Println("Failed unmarshal telegram task:", err)
return
}
var inviteLink string
var chatID int64
inviteLink, chatID, aimErr = wc.tgClient.CreateChannel(task.Name, wc.botID)
if aimErr != nil {
fmt.Println("Failed create tg channel:", aimErr)
return
}
_, aimErr = wc.dal.AccountRepo.PostLeadTarget(ctx, model.LeadTarget{
AccountID: task.AccountID,
Type: model.LeadTargetTg,
QuizID: task.QuizID,
Target: strconv.Itoa(int(chatID)),
InviteLink: inviteLink,
})
if aimErr != nil {
fmt.Println("Failed create lead target in db:", aimErr)
return
}
}()
}
if cursor == 0 {
break
}
}
}