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|
package tasks
import (
"fmt"
"metachan/config"
"metachan/entities"
"metachan/enums"
"metachan/repositories"
"metachan/services"
"metachan/utils/logger"
"sync"
"time"
)
const (
UpdaterSource = "updater"
MaxConcurrentUpdates = 5
MaxConcurrentSQLiteUpdates = 1
UpdateInterval = 6 * time.Hour
)
type animeUpdateJob struct {
series entities.Anime
reason string
}
func AnimeUpdate() error {
logger.Infof("AnimeUpdate", "Starting Anime Update Task")
airingSeries, err := repositories.GetAiringAnime()
if err != nil {
logger.Errorf("AnimeUpdate", "Failed to fetch airing anime: %v", err)
return err
}
logger.Infof("AnimeUpdate", "Found %d airing anime series", len(airingSeries))
currentTime := time.Now().Unix()
logger.Debugf("AnimeUpdate", "Current timestamp: %d (%s)", currentTime, time.Unix(currentTime, 0).Format(time.RFC3339))
jobs := make(chan animeUpdateJob, len(airingSeries))
maxWorkers := MaxConcurrentUpdates
if config.Database.Driver == "sqlite" {
maxWorkers = MaxConcurrentSQLiteUpdates
logger.Debugf("AnimeUpdate", "Using reduced concurrency (%d workers) for SQLite database", maxWorkers)
}
var wg sync.WaitGroup
for i := 0; i < maxWorkers; i++ {
wg.Add(1)
go func(workerID int) {
defer wg.Done()
logger.Debugf("AnimeUpdate", "Started worker #%d", workerID+1)
for job := range jobs {
updateAnime(job.series, job.reason)
}
}(i)
}
jobsQueued := 0
for _, series := range airingSeries {
needsUpdate := false
reason := ""
title := ""
if series.Title != nil {
if series.Title.Romaji != "" {
title = series.Title.Romaji
} else if series.Title.English != "" {
title = series.Title.English
}
}
logger.Debugf("AnimeUpdate", "Checking anime: %s (ID: %d)", title, series.MALID)
if series.NextAiring == nil || series.NextAiring.AiringAt == 0 {
needsUpdate = true
reason = "missing next episode data"
} else if int64(series.NextAiring.AiringAt) <= currentTime {
needsUpdate = true
reason = "next episode already aired"
}
if !needsUpdate && !series.LastUpdated.IsZero() && time.Since(series.LastUpdated) > UpdateInterval {
needsUpdate = true
reason = fmt.Sprintf("regular update (last updated %s ago)",
time.Since(series.LastUpdated).Round(time.Second))
}
if !needsUpdate {
logger.Debugf("AnimeUpdate", "Skipping update for %s (ID: %d) - no update needed. Next airing at: %d",
title, series.MALID, series.NextAiring.AiringAt)
continue
}
logger.Debugf("AnimeUpdate", "Queueing update for %s (ID: %d) - Reason: %s",
title, series.MALID, reason)
jobs <- animeUpdateJob{
series: series,
reason: reason,
}
jobsQueued++
}
close(jobs)
wg.Wait()
logger.Successf("AnimeUpdate", "Anime Update Task Completed - Processed %d anime", jobsQueued)
return nil
}
func updateAnime(series entities.Anime, reason string) {
title := ""
if series.Title != nil {
if series.Title.English != "" {
title = series.Title.English
} else if series.Title.Romaji != "" {
title = series.Title.Romaji
}
}
logger.Infof("AnimeUpdate", "Updating anime: %s (MAL ID: %d) - %s", title, series.MALID, reason)
mapping, err := repositories.GetAnimeMapping(enums.MAL, series.MALID)
if err != nil {
logger.Errorf("AnimeUpdate", "Error getting anime mapping for %s (MAL ID: %d): %v", title, series.MALID, err)
return
}
updatedAnime, err := services.ForceRefreshAnime(&mapping)
if err != nil {
logger.Errorf("AnimeUpdate", "Error getting updated anime data for %s (MAL ID: %d): %v", title, series.MALID, err)
return
}
logger.Successf("AnimeUpdate", "Successfully updated anime: %s (MAL ID: %d)", title, series.MALID)
if shouldSaveUpdate(&series, updatedAnime) {
if updatedAnime.Status != "RELEASING" && updatedAnime.Status != "AIRING" {
updatedAnime.Airing = false
}
if err := repositories.CreateOrUpdateAnime(updatedAnime); err != nil {
logger.Errorf("AnimeUpdate", "Error saving updated anime data for %s (MAL ID: %d): %v", title, series.MALID, err)
} else {
logger.Infof("AnimeUpdate", "Successfully saved updated data for %s (MAL ID: %d)", title, series.MALID)
if !updatedAnime.Airing {
logger.Infof("AnimeUpdate", "Anime %s (MAL ID: %d) is no longer airing. Status: %s", title, series.MALID, updatedAnime.Status)
}
}
} else {
logger.Debugf("AnimeUpdate", "No significant changes detected for %s (MAL ID: %d), skipping database update", title, series.MALID)
}
}
func shouldSaveUpdate(oldAnime *entities.Anime, newAnime *entities.Anime) bool {
if oldAnime == nil {
return true
}
oldHasNext := oldAnime.NextAiring != nil && oldAnime.NextAiring.AiringAt > 0
newHasNext := newAnime.NextAiring != nil && newAnime.NextAiring.AiringAt > 0
if oldHasNext != newHasNext {
return true
}
if oldHasNext && newHasNext {
if oldAnime.NextAiring.AiringAt != newAnime.NextAiring.AiringAt ||
oldAnime.NextAiring.Episode != newAnime.NextAiring.Episode {
return true
}
}
if oldAnime.SubbedCount != newAnime.SubbedCount ||
oldAnime.DubbedCount != newAnime.DubbedCount {
return true
}
if oldAnime.Airing != newAnime.Airing ||
oldAnime.Status != newAnime.Status {
return true
}
if oldAnime.TotalEpisodes != newAnime.TotalEpisodes {
return true
}
if len(oldAnime.Schedule) != len(newAnime.Schedule) {
return true
}
return false
}
|
