discordBots/cmd/dealsbot/main.go
2023-04-23 00:33:20 +02:00

135 lines
3.5 KiB
Go

package main
import (
"context"
"errors"
"fmt"
"github.com/dgraph-io/badger/v4"
"github.com/disgoorg/disgo"
"github.com/disgoorg/disgo/discord"
"github.com/disgoorg/disgo/rest"
"github.com/disgoorg/disgo/webhook"
"github.com/disgoorg/snowflake/v2"
"github.com/getsentry/sentry-go"
"grow.rievo.dev/discordBots/cmd/dealsbot/api"
"grow.rievo.dev/discordBots/cmd/dealsbot/repository"
"log"
"os"
"os/signal"
"reflect"
"syscall"
"time"
)
var (
webhookID = snowflake.GetEnv("webhook_id")
webhookToken = os.Getenv("webhook_token")
)
func main() {
// query different sources store to db
// try to incorporate operagx apiUrl:
// - https://gx-proxy.operacdn.com/content/free-games?_limit=300&_sort=order%3AASC
// send messages to discord
// ideas:
// - https://github.com/TheLovinator1/discord-free-game-notifier
// - https://gg.deals/news/free-gog-games/
// - origin
// - check ubisoft works
err := sentry.Init(sentry.ClientOptions{
Dsn: "https://0282823b5ee14546a4c154c129109a31@sentry.rvo.one/2",
// Set TracesSampleRate to 1.0 to capture 100%
// of transactions for performance monitoring.
// We recommend adjusting this value in production,
TracesSampleRate: 1.0,
})
if err != nil {
log.Fatalf("sentry.Init: %s", err)
}
// Flush buffered events before the program terminates.
defer sentry.Flush(2 * time.Second)
sentry.CaptureMessage("DEBUG: dealsbot started")
log.Printf("INFO: starting dealsbot...")
log.Printf("INFO: disgo version: %v", disgo.Version)
client := webhook.New(webhookID, webhookToken)
defer client.Close(context.TODO())
repo := repository.InitDb()
defer repo.Close()
ticker := time.NewTicker(10 * time.Minute)
tickerGC := time.NewTicker(15 * time.Minute)
quit := make(chan struct{})
go func() {
for {
select {
case <-ticker.C:
var apis []api.Api
apis = append(apis, api.NewUbsioftApi(), api.NewEpicApi(), api.NewSteamApi(), api.NewGogApi(), api.NewHumbleBundleApi())
for _, api := range apis {
err := api.Load()
if err != nil {
log.Printf("ERROR: %v", err)
}
}
var deals []api.Deal
for _, api := range apis {
apiDeals := api.Get()
deals = append(deals, apiDeals...)
}
for _, deal := range deals {
retrievedDeal, _ := repo.GetValue(deal.Id)
if deal.Id == retrievedDeal.Id {
log.Printf("DEBUG: %v is already published", deal.Id)
} else if reflect.DeepEqual(deal, retrievedDeal) {
log.Printf("ERROR: %v is published but not equal", deal.Id)
} else {
log.Printf("INFO: %v is new and will be published", deal.Id)
go sendWebhook(client, deal)
err := repo.SetValue(deal)
if err != nil {
log.Printf("ERROR: %v", err)
}
}
}
case <-tickerGC.C:
err := repo.RunGC()
if err != nil && !errors.Is(err, badger.ErrNoRewrite) {
log.Printf("ERROR: GC: %v", err)
} else {
log.Printf("DEBUG: GC successful")
}
case <-quit:
ticker.Stop()
tickerGC.Stop()
return
}
}
}()
log.Printf("INFO: dealsbot is now running. Press CTRL-C to exit.")
s := make(chan os.Signal, 1)
signal.Notify(s, syscall.SIGINT, syscall.SIGTERM, os.Interrupt)
<-s
}
func sendWebhook(client webhook.Client, deal api.Deal) {
var status string
status = fmt.Sprintf("currently free: %v\n", deal.Url)
if _, err := client.CreateMessage(discord.NewWebhookMessageCreateBuilder().
SetContent(status).Build(),
rest.WithDelay(2*time.Second),
); err != nil {
log.Printf("ERROR: sending message %v", err.Error())
}
}