mirror of
https://github.com/christianselig/apollo-backend
synced 2024-11-23 20:27:42 +00:00
329 lines
7.7 KiB
Go
329 lines
7.7 KiB
Go
package worker
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
"math/rand"
|
|
"os"
|
|
"strconv"
|
|
"strings"
|
|
|
|
"github.com/DataDog/datadog-go/statsd"
|
|
"github.com/adjust/rmq/v4"
|
|
"github.com/go-redis/redis/v8"
|
|
"github.com/jackc/pgx/v4/pgxpool"
|
|
"github.com/sideshow/apns2"
|
|
"github.com/sideshow/apns2/payload"
|
|
"github.com/sideshow/apns2/token"
|
|
"go.uber.org/zap"
|
|
|
|
"github.com/christianselig/apollo-backend/internal/domain"
|
|
"github.com/christianselig/apollo-backend/internal/reddit"
|
|
"github.com/christianselig/apollo-backend/internal/repository"
|
|
)
|
|
|
|
type usersWorker struct {
|
|
context.Context
|
|
|
|
logger *zap.Logger
|
|
statsd *statsd.Client
|
|
db *pgxpool.Pool
|
|
redis *redis.Client
|
|
queue rmq.Connection
|
|
reddit *reddit.Client
|
|
apns *token.Token
|
|
|
|
consumers int
|
|
|
|
accountRepo domain.AccountRepository
|
|
deviceRepo domain.DeviceRepository
|
|
userRepo domain.UserRepository
|
|
watcherRepo domain.WatcherRepository
|
|
}
|
|
|
|
const userNotificationTitleFormat = "👨\u200d🚀 %s"
|
|
|
|
func NewUsersWorker(ctx context.Context, logger *zap.Logger, statsd *statsd.Client, db *pgxpool.Pool, redis *redis.Client, queue rmq.Connection, consumers int) Worker {
|
|
reddit := reddit.NewClient(
|
|
os.Getenv("REDDIT_CLIENT_ID"),
|
|
os.Getenv("REDDIT_CLIENT_SECRET"),
|
|
statsd,
|
|
redis,
|
|
consumers,
|
|
)
|
|
|
|
var apns *token.Token
|
|
{
|
|
authKey, err := token.AuthKeyFromFile(os.Getenv("APPLE_KEY_PATH"))
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
apns = &token.Token{
|
|
AuthKey: authKey,
|
|
KeyID: os.Getenv("APPLE_KEY_ID"),
|
|
TeamID: os.Getenv("APPLE_TEAM_ID"),
|
|
}
|
|
}
|
|
|
|
return &usersWorker{
|
|
ctx,
|
|
logger,
|
|
statsd,
|
|
db,
|
|
redis,
|
|
queue,
|
|
reddit,
|
|
apns,
|
|
consumers,
|
|
|
|
repository.NewPostgresAccount(db),
|
|
repository.NewPostgresDevice(db),
|
|
repository.NewPostgresUser(db),
|
|
repository.NewPostgresWatcher(db),
|
|
}
|
|
}
|
|
|
|
func (uw *usersWorker) Start() error {
|
|
queue, err := uw.queue.OpenQueue("users")
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
uw.logger.Info("starting up subreddits worker", zap.Int("consumers", uw.consumers))
|
|
|
|
prefetchLimit := int64(uw.consumers * 2)
|
|
|
|
if err := queue.StartConsuming(prefetchLimit, pollDuration); err != nil {
|
|
return err
|
|
}
|
|
|
|
host, _ := os.Hostname()
|
|
|
|
for i := 0; i < uw.consumers; i++ {
|
|
name := fmt.Sprintf("consumer %s-%d", host, i)
|
|
|
|
consumer := NewUsersConsumer(uw, i)
|
|
if _, err := queue.AddConsumer(name, consumer); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (uw *usersWorker) Stop() {
|
|
<-uw.queue.StopAllConsuming() // wait for all Consume() calls to finish
|
|
}
|
|
|
|
type usersConsumer struct {
|
|
*usersWorker
|
|
tag int
|
|
|
|
apnsSandbox *apns2.Client
|
|
apnsProduction *apns2.Client
|
|
}
|
|
|
|
func NewUsersConsumer(uw *usersWorker, tag int) *usersConsumer {
|
|
return &usersConsumer{
|
|
uw,
|
|
tag,
|
|
apns2.NewTokenClient(uw.apns),
|
|
apns2.NewTokenClient(uw.apns).Production(),
|
|
}
|
|
}
|
|
|
|
func (uc *usersConsumer) Consume(delivery rmq.Delivery) {
|
|
id, err := strconv.ParseInt(delivery.Payload(), 10, 64)
|
|
if err != nil {
|
|
uc.logger.Error("failed to parse subreddit id from payload", zap.Error(err), zap.String("payload", delivery.Payload()))
|
|
_ = delivery.Reject()
|
|
return
|
|
}
|
|
|
|
uc.logger.Debug("starting job", zap.Int64("subreddit#id", id))
|
|
|
|
defer func() { _ = delivery.Ack() }()
|
|
|
|
user, err := uc.userRepo.GetByID(uc, id)
|
|
if err != nil {
|
|
uc.logger.Error("failed to fetch user from database", zap.Error(err), zap.Int64("subreddit#id", id))
|
|
return
|
|
}
|
|
|
|
watchers, err := uc.watcherRepo.GetByUserID(uc, user.ID)
|
|
if err != nil {
|
|
uc.logger.Error("failed to fetch watchers from database",
|
|
zap.Error(err),
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
return
|
|
}
|
|
|
|
if len(watchers) == 0 {
|
|
uc.logger.Debug("no watchers for user, bailing early",
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
return
|
|
}
|
|
|
|
// Load 25 newest posts
|
|
i := rand.Intn(len(watchers))
|
|
watcher := watchers[i]
|
|
|
|
acc, _ := uc.accountRepo.GetByID(uc, watcher.AccountID)
|
|
rac := uc.reddit.NewAuthenticatedClient(acc.AccountID, acc.RefreshToken, acc.AccessToken)
|
|
|
|
ru, err := rac.UserAbout(uc, user.Name)
|
|
if err != nil {
|
|
uc.logger.Error("failed to fetch user details",
|
|
zap.Error(err),
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
return
|
|
}
|
|
|
|
if !ru.AcceptFollowers {
|
|
uc.logger.Info("user disabled followers, removing",
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
|
|
if err := uc.watcherRepo.DeleteByTypeAndWatcheeID(uc, domain.UserWatcher, user.ID); err != nil {
|
|
uc.logger.Error("failed to remove watchers for user who disallows followers",
|
|
zap.Error(err),
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
return
|
|
}
|
|
|
|
if err := uc.userRepo.Delete(uc, user.ID); err != nil {
|
|
uc.logger.Error("failed to remove user",
|
|
zap.Error(err),
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
return
|
|
}
|
|
}
|
|
|
|
posts, err := rac.UserPosts(uc, user.Name)
|
|
if err != nil {
|
|
uc.logger.Error("failed to fetch user activity",
|
|
zap.Error(err),
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
return
|
|
}
|
|
|
|
for _, post := range posts.Children {
|
|
lowcaseSubreddit := strings.ToLower(post.Subreddit)
|
|
|
|
if post.SubredditType == "private" {
|
|
continue
|
|
}
|
|
|
|
notifs := []domain.Watcher{}
|
|
|
|
for _, watcher := range watchers {
|
|
// Make sure we only alert on activities created after the search
|
|
if watcher.CreatedAt.After(post.CreatedAt) {
|
|
continue
|
|
}
|
|
|
|
if watcher.LastNotifiedAt.After(post.CreatedAt) {
|
|
continue
|
|
}
|
|
|
|
if watcher.Subreddit != "" && lowcaseSubreddit != watcher.Subreddit {
|
|
continue
|
|
}
|
|
|
|
notifs = append(notifs, watcher)
|
|
}
|
|
|
|
if len(notifs) == 0 {
|
|
continue
|
|
}
|
|
|
|
payload := payloadFromUserPost(post)
|
|
|
|
notification := &apns2.Notification{}
|
|
notification.Topic = "com.christianselig.Apollo"
|
|
|
|
for _, watcher := range notifs {
|
|
if err := uc.watcherRepo.IncrementHits(uc, watcher.ID); err != nil {
|
|
uc.logger.Error("failed to increment watcher hits",
|
|
zap.Error(err),
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
zap.Int64("watcher#id", watcher.ID),
|
|
)
|
|
return
|
|
}
|
|
|
|
device, _ := uc.deviceRepo.GetByID(uc, watcher.DeviceID)
|
|
|
|
title := fmt.Sprintf(userNotificationTitleFormat, watcher.Label)
|
|
payload.AlertTitle(title)
|
|
|
|
notification.Payload = payload
|
|
notification.DeviceToken = device.APNSToken
|
|
|
|
client := uc.apnsProduction
|
|
if device.Sandbox {
|
|
client = uc.apnsSandbox
|
|
}
|
|
|
|
res, err := client.Push(notification)
|
|
if err != nil || !res.Sent() {
|
|
_ = uc.statsd.Incr("apns.notification.errors", []string{}, 1)
|
|
uc.logger.Error("failed to send notification",
|
|
zap.Error(err),
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
zap.String("post#id", post.ID),
|
|
zap.String("apns", watcher.Device.APNSToken),
|
|
zap.Int("response#status", res.StatusCode),
|
|
zap.String("response#reason", res.Reason),
|
|
)
|
|
} else {
|
|
_ = uc.statsd.Incr("apns.notification.sent", []string{}, 1)
|
|
uc.logger.Info("sent notification",
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
zap.String("post#id", post.ID),
|
|
zap.String("device#token", watcher.Device.APNSToken),
|
|
)
|
|
}
|
|
}
|
|
}
|
|
|
|
uc.logger.Debug("finishing job",
|
|
zap.Int64("user#id", id),
|
|
zap.String("user#name", user.NormalizedName()),
|
|
)
|
|
}
|
|
|
|
func payloadFromUserPost(post *reddit.Thing) *payload.Payload {
|
|
payload := payload.
|
|
NewPayload().
|
|
AlertBody(post.Title).
|
|
AlertSubtitle(post.Author).
|
|
AlertSummaryArg(post.Author).
|
|
Category("user-watch").
|
|
Custom("post_title", post.Title).
|
|
Custom("post_id", post.ID).
|
|
Custom("subreddit", post.Subreddit).
|
|
Custom("author", post.Author).
|
|
Custom("post_age", post.CreatedAt).
|
|
MutableContent().
|
|
Sound("traloop.wav")
|
|
|
|
return payload
|
|
}
|