forked from botlabs-gg/yagpdb
/
poller.go
247 lines (197 loc) · 6.69 KB
/
poller.go
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package patreon
import (
"context"
"strconv"
"sync"
"time"
"github.com/jonas747/retryableredis"
"github.com/jonas747/yagpdb/common"
"github.com/jonas747/yagpdb/common/config"
"github.com/jonas747/yagpdb/common/patreon/patreonapi"
"github.com/sirupsen/logrus"
"golang.org/x/oauth2"
)
var logger = common.GetFixedPrefixLogger("patreon")
type Poller struct {
mu sync.RWMutex
config *oauth2.Config
token *oauth2.Token
client *patreonapi.Client
activePatrons []*Patron
}
var (
confAccessToken = config.RegisterOption("yagpdb.patreon.api_access_token", "Access token for the patreon integration", "")
confRefreshToken = config.RegisterOption("yagpdb.patreon.api_refresh_token", "Refresh token for the patreon integration", "")
confClientID = config.RegisterOption("yagpdb.patreon.api_client_id", "Client id for the patreon integration", "")
confClientSecret = config.RegisterOption("yagpdb.patreon.api_client_secret", "Client secret for the patreon integration", "")
)
func Run() {
accessToken := confAccessToken.GetString()
refreshToken := confRefreshToken.GetString()
clientID := confClientID.GetString()
clientSecret := confClientSecret.GetString()
if accessToken == "" || clientID == "" || clientSecret == "" {
PatreonDisabled(nil, "Missing one of YAGPDB_PATREON_API_ACCESS_TOKEN, YAGPDB_PATREON_API_CLIENT_ID, YAGPDB_PATREON_API_CLIENT_SECRET")
return
}
var storedRefreshToken string
common.RedisPool.Do(retryableredis.Cmd(&storedRefreshToken, "GET", "patreon_refresh_token"))
config := &oauth2.Config{
ClientID: clientID,
ClientSecret: clientSecret,
Endpoint: oauth2.Endpoint{
AuthURL: patreonapi.AuthorizationURL,
TokenURL: patreonapi.AccessTokenURL,
},
Scopes: []string{"identity", "campaigns", "campaigns.members"},
}
token := &oauth2.Token{
AccessToken: "",
RefreshToken: refreshToken,
// Must be non-nil, otherwise token will not be expired
Expiry: time.Now().Add(-24 * time.Hour),
}
tc := oauth2.NewClient(context.Background(), &TokenSourceSaver{inner: config.TokenSource(context.Background(), token)})
// Either use the token provided in the env vars or a cached one in redis
pClient := patreonapi.NewClient(tc)
user, err := pClient.FetchUser()
if err != nil {
if storedRefreshToken == "" {
PatreonDisabled(err, "Failed fetching current user with env var refresh token, no refresh token stored in redis.")
return
}
logger.WithError(err).Warn("Failed fetching current user with env var refresh token, trying stored token")
tCop := *token
tCop.RefreshToken = storedRefreshToken
tc = oauth2.NewClient(context.Background(), &TokenSourceSaver{inner: config.TokenSource(context.Background(), &tCop)})
pClient = patreonapi.NewClient(tc)
user, err = pClient.FetchUser()
if err != nil {
PatreonDisabled(err, "Unable to fetch user with redis patreon token.")
return
}
}
poller := &Poller{
config: config,
token: token,
client: pClient,
}
ActivePoller = poller
logger.Info("Patreon integration activated as ", user.Data.ID, ": ", user.Data.Attributes.FullName)
go poller.Run()
}
func PatreonDisabled(err error, reason string) {
l := logrus.NewEntry(logger)
if err != nil {
l = l.WithError(err)
}
l.Warn("Not starting patreon integration, also means that premium statuses wont update. " + reason)
}
func (p *Poller) Run() {
ticker := time.NewTicker(time.Minute)
for {
p.Poll()
<-ticker.C
}
}
func (p *Poller) Poll() {
// Get your campaign data
campaignResponse, err := p.client.FetchCampaigns()
if err != nil || len(campaignResponse.Data) < 1 {
logger.WithError(err).Error("Failed fetching campaign")
return
}
campaignId := campaignResponse.Data[0].ID
cursor := ""
page := 1
patrons := make([]*Patron, 0, 30)
for {
membersResponse, err := p.client.FetchMembers(campaignId, 0, cursor)
// pledgesResponse, err := p.client.FetchPledges(campaignId,
// patreon.WithPageSize(30),
// patreon.WithCursor(cursor))
if err != nil {
logger.WithError(err).Error("Failed fetching pledges")
return
}
// logger.Println("num results: ", len(membersResponse.Data))
// Get all the users in an easy-to-lookup way
users := make(map[string]*patreonapi.UserAttributes)
for _, item := range membersResponse.Included {
if u, ok := item.Decoded.(*patreonapi.UserAttributes); ok {
users[item.ID] = u
}
}
// Loop over the pledges to get e.g. their amount and user name
for _, memberData := range membersResponse.Data {
attributes := memberData.Attributes
user, ok := users[memberData.Relationships.User.Data.ID]
if !ok {
// logger.Println("Unknown user: ", memberData.ID)
continue
}
if attributes.LastChargeStatus != patreonapi.ChargeStatusPaid && attributes.LastChargeStatus != patreonapi.ChargeStatusPending {
// logger.Println("Not paid: ", attributes.FullName)
continue
}
if attributes.PatronStatus != "active_patron" {
continue
}
// logger.Println(attributes.PatronStatus + " --- " + user.FirstName + ":" + user.LastName + ":" + user.Vanity)
patron := &Patron{
AmountCents: attributes.CurrentEntitledAmountCents,
Avatar: user.ImageURL,
}
if user.Vanity != "" {
patron.Name = user.Vanity
} else {
patron.Name = user.FirstName
}
if user.SocialConnections.Discord != nil && user.SocialConnections.Discord.UserID != "" {
discordID, _ := strconv.ParseInt(user.SocialConnections.Discord.UserID, 10, 64)
patron.DiscordID = discordID
}
patrons = append(patrons, patron)
// logger.Printf("%s is pledging %d cents, Discord: %d\r\n", patron.Name, patron.AmountCents, patron.DiscordID)
}
// Get the link to the next page of pledges
nextCursor := membersResponse.Meta.Pagination.Cursors.Next
if nextCursor == "" {
// logger.Println("No nextlink ", page)
break
}
cursor = nextCursor
// logger.Println("nextlink: ", page, ": ", cursor)
page++
}
patrons = append(patrons, &Patron{
DiscordID: int64(common.ConfOwner.GetInt()),
Name: "Owner",
AmountCents: 10000,
})
// Swap the stored ones, this dosent mutate the existing returned slices so we dont have to do any copying on each request woo
p.mu.Lock()
p.activePatrons = patrons
p.mu.Unlock()
}
func (p *Poller) GetPatrons() (patrons []*Patron) {
p.mu.RLock()
patrons = p.activePatrons
p.mu.RUnlock()
return
}
type TokenSourceSaver struct {
inner oauth2.TokenSource
lastRefreshToken string
}
func (t *TokenSourceSaver) Token() (*oauth2.Token, error) {
tk, err := t.inner.Token()
if err == nil {
if t.lastRefreshToken != tk.RefreshToken {
logger.Info("New refresh token")
common.RedisPool.Do(retryableredis.Cmd(nil, "SET", "patreon_refresh_token", tk.RefreshToken))
t.lastRefreshToken = tk.RefreshToken
}
}
return tk, err
}