121 lines
2.4 KiB
Go
121 lines
2.4 KiB
Go
package main
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import (
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"fmt"
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"log"
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"time"
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)
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var (
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refreshInterval = 60 * time.Second
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)
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func RunScraper(bot *Bot, db *Db, api *Osuapi, requests chan int) {
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// start timers
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go startTimers(db, requests)
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for userId := range requests {
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log.Println("scraping", userId)
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newMaps, err := getNewMaps(db, api, userId)
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if err != nil {
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log.Println("err getting new maps:", err)
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exit_chan <- 1
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}
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db.IterTrackingChannels(userId, func(channelId string) error {
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bot.NotifyNewEvent(channelId, newMaps)
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return nil
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})
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// wait a minute and put them back into the queue
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go func() {
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time.Sleep(refreshInterval)
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requests <- userId
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}()
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}
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}
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func getNewMaps(db *Db, api *Osuapi, userId int) (newMaps []Event, err error) {
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// see if there's a last event
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hasLastEvent, lastEventId := db.MapperLastEvent(userId)
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newMaps = make([]Event, 0)
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var (
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events []Event
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newLatestEvent = 0
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updateLatestEvent = false
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)
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if hasLastEvent {
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log.Printf("last event id for %d is %d\n", userId, lastEventId)
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offset := 0
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loop:
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for {
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log.Println("loading user events from", offset)
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events, err = api.GetUserEvents(userId, 50, offset)
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if err != nil {
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err = fmt.Errorf("couldn't load events for user %d, offset %d: %w", userId, offset, err)
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return
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}
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if len(events) == 0 {
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break
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}
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for _, event := range events {
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if event.ID == lastEventId {
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break loop
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}
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if event.ID > newLatestEvent {
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updateLatestEvent = true
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newLatestEvent = event.ID
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}
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if event.Type == "beatmapsetUpload" ||
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event.Type == "beatmapsetRevive" ||
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event.Type == "beatmapsetUpdate" {
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newMaps = append(newMaps, event)
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}
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}
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offset += len(events)
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}
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} else {
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log.Printf("no last event id found for %d\n", userId)
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events, err = api.GetUserEvents(userId, 50, 0)
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if err != nil {
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return
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}
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for _, event := range events {
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if event.ID > newLatestEvent {
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updateLatestEvent = true
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newLatestEvent = event.ID
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}
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if event.Type == "beatmapsetUpload" ||
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event.Type == "beatmapsetRevive" ||
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event.Type == "beatmapsetUpdate" {
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newMaps = append(newMaps, event)
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}
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}
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}
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// TODO: debug
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// updateLatestEvent = false
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if updateLatestEvent {
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err = db.UpdateMapperLatestEvent(userId, newLatestEvent)
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if err != nil {
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return
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}
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}
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return
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}
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func startTimers(db *Db, requests chan int) {
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db.IterTrackedMappers(func(userId int) error {
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requests <- userId
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return nil
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})
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}
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