discordo/internal/notifications/notifications.go

114 lines
2.7 KiB
Go

package notifications
import (
"fmt"
"io"
"log/slog"
"net/http"
"os"
"path/filepath"
"github.com/ayn2op/discordo/internal/config"
"github.com/ayn2op/discordo/internal/consts"
"github.com/diamondburned/arikawa/v3/discord"
"github.com/diamondburned/arikawa/v3/gateway"
"github.com/diamondburned/ningen/v3"
)
func Notify(state *ningen.State, message gateway.MessageCreateEvent, cfg *config.Config) error {
if !cfg.Notifications.Enabled || cfg.Status == discord.DoNotDisturbStatus {
return nil
}
mentions := state.MessageMentions(&message.Message)
if mentions == 0 {
return nil
}
// Handle sent files
content := message.Content
if message.Content == "" && len(message.Attachments) > 0 {
content = "Uploaded " + message.Attachments[0].Filename
}
if content == "" {
return nil
}
title := message.Author.DisplayOrUsername()
channel, err := state.Cabinet.Channel(message.ChannelID)
if err != nil {
return fmt.Errorf("failed to get channel from state: %w", err)
}
if channel.GuildID.IsValid() {
guild, err := state.Cabinet.Guild(channel.GuildID)
if err != nil {
return fmt.Errorf("failed to get guild from state: %w", err)
}
if member := message.Member; member != nil && member.Nick != "" {
title = member.Nick
}
title += " (#" + channel.Name + ", " + guild.Name + ")"
}
hash := message.Author.Avatar
if hash == "" {
hash = "default"
}
imagePath, err := getCachedProfileImage(hash, message.Author.AvatarURLWithType(discord.PNGImage))
if err != nil {
slog.Info("failed to get profile image from cache for notification", "err", err, "hash", hash)
}
shouldChime := cfg.Notifications.Sound.Enabled && (!cfg.Notifications.Sound.OnlyOnPing || mentions.Has(ningen.MessageMentions|ningen.MessageNotifies))
if err := sendDesktopNotification(title, content, imagePath, shouldChime, cfg.Notifications.Duration); err != nil {
return err
}
return nil
}
func getCachedProfileImage(avatarHash discord.Hash, url string) (string, error) {
path := filepath.Join(consts.CacheDir(), "avatars")
if err := os.MkdirAll(path, os.ModePerm); err != nil {
return "", err
}
root, err := os.OpenRoot(path)
if err != nil {
return "", fmt.Errorf("failed to open avatars dir: %w", err)
}
defer root.Close()
filename := avatarHash + ".png"
_, err = root.Stat(filename)
switch {
case err == nil:
return filepath.Join(path, filename), nil
case os.IsNotExist(err):
file, err := root.Create(filename)
if err != nil {
return "", err
}
defer file.Close()
resp, err := http.Get(url)
if err != nil {
return "", err
}
defer resp.Body.Close()
if _, err := io.Copy(file, resp.Body); err != nil {
return "", err
}
return file.Name(), nil
default:
return "", err
}
}