/
main.go
121 lines (98 loc) · 2.9 KB
/
main.go
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package main
import (
"flag"
"fmt"
"log"
"log/slog"
"net/http"
"os"
"strings"
"time"
"github.com/Marcel-ICMC/graw"
"github.com/Marcel-ICMC/graw/reddit"
"within.website/x/internal"
"within.website/x/internal/yeet"
"within.website/x/web/discordwebhook"
)
var (
discordWebhookURL = flag.String("discord-webhook-url", "", "The Discord webhook url sapientwindex will post to")
redditUsername = flag.String("reddit-username", "", "Your reddit username")
subreddits = flag.String("subreddits", "", "subreddits to scan (separate multiple by commas)")
scanDuration = flag.Duration("scan-duration", 30*time.Second, "scan frequency")
)
func main() {
internal.HandleStartup()
if *discordWebhookURL == "" {
slog.Error("you must set the discord webhook URL to use this bot")
os.Exit(2)
}
if *redditUsername == "" {
slog.Error("you must set your reddit username to use this bot")
os.Exit(2)
}
if *subreddits == "" {
slog.Error("you must set the subreddit list to use this bot")
os.Exit(2)
}
redditUserAgent := fmt.Sprintf("graw:within.website/x/cmd/sapientwindex:%s by /u/%s", yeet.DateTag, *redditUsername)
slog.Info("starting up", "subreddits", *subreddits, "scan_duration", (*scanDuration).String())
handle, err := reddit.NewScript(redditUserAgent, *scanDuration)
if err != nil {
log.Fatal(err)
}
announce := &announcer{}
scriptCfg := graw.Config{
Subreddits: strings.Split(*subreddits, ","),
Logger: slog.NewLogLogger(slog.Default().Handler(), slog.LevelInfo),
}
for {
stop, wait, err := graw.Scan(announce, handle, scriptCfg)
if err != nil {
log.Fatal(err)
}
wait()
stop()
slog.Info("connection lost, sleeping and retrying")
time.Sleep(5 * time.Second)
}
}
type announcer struct{}
func addMemeArrow(str string) string {
var result strings.Builder
for _, char := range str {
if char == '\n' {
result.WriteString("\n> ")
} else {
result.WriteRune(char)
}
}
return result.String()
}
func (a announcer) Post(post *reddit.Post) error {
if len(post.SelfText) > 1000 {
post.SelfText = post.SelfText[:1000] + " [truncated]"
}
wh := discordwebhook.Webhook{
Username: post.Author,
Content: fmt.Sprintf("## %s\n> %s\n<https://reddit.com%s>", post.Title, addMemeArrow(post.SelfText), post.Permalink),
AvatarURL: fmt.Sprintf("https://cdn.xeiaso.net/avatar/%s", internal.Hash(post.Author, *redditUsername)),
AllowedMentions: map[string][]string{
"parse": {},
},
}
if !post.IsSelf {
wh.Content = fmt.Sprintf("## %s\n%s\n\n<https://reddit.com%s>", post.Title, post.URL, post.Permalink)
}
slog.Debug("got post", "title", post.Title)
req := discordwebhook.Send(*discordWebhookURL, wh)
resp, err := http.DefaultClient.Do(req)
if err != nil {
slog.Error("discord webhook error", "err", err)
return nil
}
if err := discordwebhook.Validate(resp); err != nil {
slog.Error("discord webhook error", "err", err)
return nil
}
return nil
}