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Fix: Lock live-posts to prevent double posting

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when triggered through status and cron

Signed-off-by: Knut Ahlers <knut@ahlers.me>
This commit is contained in:
Knut Ahlers 2021-08-23 22:34:27 +02:00
parent 68e590b8ce
commit 3e3af3a645
Signed by: luzifer
GPG key ID: 0066F03ED215AD7D
1 changed files with 12 additions and 6 deletions
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18
mod_livePosting.go
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@ -5,6 +5,7 @@ import (
"net/url" "net/url"
"strconv" "strconv"
"strings" "strings"
"sync"
"time" "time"
"github.com/Luzifer/go_helpers/v2/str" "github.com/Luzifer/go_helpers/v2/str"
@ -37,9 +38,11 @@ type modLivePosting struct {
attrs moduleAttributeStore attrs moduleAttributeStore
discord *discordgo.Session discord *discordgo.Session
id string id string
lock sync.Mutex
} }
func (m modLivePosting) ID() string { return m.id } func (m *modLivePosting) ID() string { return m.id }
func (m *modLivePosting) Initialize(id string, crontab *cron.Cron, discord *discordgo.Session, attrs moduleAttributeStore) error { func (m *modLivePosting) Initialize(id string, crontab *cron.Cron, discord *discordgo.Session, attrs moduleAttributeStore) error {
m.attrs = attrs m.attrs = attrs
@ -70,9 +73,9 @@ func (m *modLivePosting) Initialize(id string, crontab *cron.Cron, discord *disc
return nil return nil
} }
func (m modLivePosting) Setup() error { return nil } func (m *modLivePosting) Setup() error { return nil }
func (m modLivePosting) cronFetchChannelStatus() { func (m *modLivePosting) cronFetchChannelStatus() {
// @attr poll_usernames optional []string "[]" Check these usernames for active streams when executing the `cron` (at most 100 users can be checked) // @attr poll_usernames optional []string "[]" Check these usernames for active streams when executing the `cron` (at most 100 users can be checked)
usernames, err := m.attrs.StringSlice("poll_usernames") usernames, err := m.attrs.StringSlice("poll_usernames")
switch err { switch err {
@ -93,7 +96,7 @@ func (m modLivePosting) cronFetchChannelStatus() {
} }
} }
func (m modLivePosting) fetchAndPostForUsername(usernames ...string) error { func (m *modLivePosting) fetchAndPostForUsername(usernames ...string) error {
twitch := newTwitchAdapter( twitch := newTwitchAdapter(
// @attr twitch_client_id required string "" Twitch client ID the token was issued for // @attr twitch_client_id required string "" Twitch client ID the token was issued for
m.attrs.MustString("twitch_client_id", nil), m.attrs.MustString("twitch_client_id", nil),
@ -155,7 +158,7 @@ func (m modLivePosting) fetchAndPostForUsername(usernames ...string) error {
return nil return nil
} }
func (m modLivePosting) handlePresenceUpdate(d *discordgo.Session, p *discordgo.PresenceUpdate) { func (m *modLivePosting) handlePresenceUpdate(d *discordgo.Session, p *discordgo.PresenceUpdate) {
if p.User == nil { if p.User == nil {
// The frick? Non-user presence? // The frick? Non-user presence?
return return
@ -216,7 +219,10 @@ func (m modLivePosting) handlePresenceUpdate(d *discordgo.Session, p *discordgo.
} }
} }
func (m modLivePosting) sendLivePost(username, displayName, title, game, previewImage, profileImage string) error { func (m *modLivePosting) sendLivePost(username, displayName, title, game, previewImage, profileImage string) error {
m.lock.Lock()
defer m.lock.Unlock()
postText := strings.NewReplacer( postText := strings.NewReplacer(
"${displayname}", displayName, "${displayname}", displayName,
"${username}", username, "${username}", username,