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package tasks
import (
"metachan/entities"
"metachan/repositories"
"metachan/types"
"metachan/utils/api/jikan"
"metachan/utils/logger"
"time"
)
// ResumeProducerEnrichment is called on startup to resume any background enrichment
// that was interrupted by a previous shutdown.
func ResumeProducerEnrichment() {
go enrichProducersInBackground()
}
func ProducerSync() error {
logger.Infof("ProducerSync", "Starting producer sync (includes studios and licensors)")
response, err := jikan.GetAnimeProducers()
if err != nil {
logger.Errorf("ProducerSync", "Failed to fetch producers: %v", err)
return err
}
total := len(response.Data)
logger.Infof("ProducerSync", "Fetched %d producers from MAL", total)
if err := saveProducerListData(response.Data); err != nil {
return err
}
logger.Successf("ProducerSync", "Saved basic data for %d producers, enriching external URLs in background", total)
go enrichProducersInBackground()
return nil
}
func saveProducerListData(producersData []types.JikanSingleProducer) error {
total := len(producersData)
const batchSize = 50
for batchStart := 0; batchStart < total; batchStart += batchSize {
batchEnd := min(batchStart+batchSize, total)
batch := producersData[batchStart:batchEnd]
type producerWithImage struct {
producer entities.Producer
imageURL string
}
producerItems := make([]producerWithImage, 0, len(batch))
imageMap := make(map[string]struct{})
for _, pd := range batch {
producer := entities.Producer{
MALID: pd.MALID,
URL: pd.URL,
Favorites: pd.Favorites,
Count: pd.Count,
Established: pd.Established,
About: pd.About,
}
for _, t := range pd.Titles {
producer.Titles = append(producer.Titles, entities.SimpleTitle{
Type: t.Type,
Title: t.Title,
})
}
imageURL := pd.Images.JPG.ImageURL
if imageURL != "" {
imageMap[imageURL] = struct{}{}
}
producerItems = append(producerItems, producerWithImage{producer: producer, imageURL: imageURL})
}
if len(imageMap) > 0 {
images := make([]entities.SimpleImage, 0, len(imageMap))
for url := range imageMap {
images = append(images, entities.SimpleImage{ImageURL: url})
}
if err := repositories.BatchCreateSimpleImages(images); err != nil {
logger.Errorf("ProducerSync", "Failed to batch insert images: %v", err)
return err
}
}
titleMap := make(map[string]entities.SimpleTitle)
for _, pd := range producerItems {
for _, t := range pd.producer.Titles {
key := t.Type + ":" + t.Title
titleMap[key] = t
}
}
if len(titleMap) > 0 {
titles := make([]entities.SimpleTitle, 0, len(titleMap))
for _, t := range titleMap {
titles = append(titles, t)
}
if err := repositories.BatchCreateSimpleTitles(titles); err != nil {
logger.Errorf("ProducerSync", "Failed to batch insert titles: %v", err)
return err
}
}
imageIDMap, err := repositories.GetAllImagesMapped()
if err != nil {
logger.Errorf("ProducerSync", "Failed to query images: %v", err)
return err
}
titleIDMap, err := repositories.GetAllTitlesMapped()
if err != nil {
logger.Errorf("ProducerSync", "Failed to query titles: %v", err)
return err
}
producers := make([]entities.Producer, 0, len(producerItems))
for _, pd := range producerItems {
if pd.imageURL != "" {
if id, ok := imageIDMap[pd.imageURL]; ok {
pd.producer.ImageID = &id
}
}
for i := range pd.producer.Titles {
key := pd.producer.Titles[i].Type + ":" + pd.producer.Titles[i].Title
if id, ok := titleIDMap[key]; ok {
pd.producer.Titles[i].ID = id
}
}
producers = append(producers, pd.producer)
}
if len(producers) > 0 {
if err := repositories.BatchCreateProducers(producers); err != nil {
logger.Errorf("ProducerSync", "Failed to batch insert producers: %v", err)
return err
}
logger.Infof("ProducerSync", "Saved batch %d–%d of %d", batchStart+1, batchEnd, total)
}
}
return nil
}
func enrichProducersInBackground() {
producers, err := repositories.GetAllProducers()
if err != nil {
logger.Errorf("ProducerSync", "Failed to load producers for enrichment: %v", err)
return
}
sevenDaysAgo := time.Now().Add(-7 * 24 * time.Hour)
// Pre-check: skip entire run if nothing qualifies
hasWork := false
for _, p := range producers {
if p.EnrichedAt == nil || !p.EnrichedAt.After(sevenDaysAgo) {
hasWork = true
break
}
}
if !hasWork {
return
}
logger.Infof("ProducerSync", "Resuming background enrichment for producers missing external URLs")
total := len(producers)
startTime := time.Now()
enriched := 0
for i, p := range producers {
if p.EnrichedAt != nil && p.EnrichedAt.After(sevenDaysAgo) {
continue
}
detail, err := jikan.GetProducerByID(p.MALID)
if err != nil {
logger.Warnf("ProducerSync", "Failed to fetch details for producer %d: %v", p.MALID, err)
continue
}
data := detail.Data
if err := repositories.UpdateProducerDetails(
p.ID, data.URL, data.Established, data.About, data.Favorites, data.Count,
data.Images.JPG.ImageURL,
); err != nil {
logger.Warnf("ProducerSync", "Failed to update details for producer %d: %v", p.MALID, err)
continue
}
if len(data.External) > 0 {
externalURLs := make([]entities.ExternalURL, 0, len(data.External))
for _, ext := range data.External {
externalURLs = append(externalURLs, entities.ExternalURL{Name: ext.Name, URL: ext.URL})
}
if err := repositories.ReplaceProducerExternalURLs(&p, externalURLs); err != nil {
logger.Warnf("ProducerSync", "Failed to update external URLs for producer %d: %v", p.MALID, err)
}
}
if err := repositories.SetProducerEnriched(p.ID); err != nil {
logger.Warnf("ProducerSync", "Failed to stamp enriched_at for producer %d: %v", p.MALID, err)
}
enriched++
if (i+1)%10 == 0 || (i+1) == total {
progress, eta := calculateProgress(i+1, total, startTime)
logger.Infof("ProducerSync", "Enriching: %d/%d (%.1f%%) | ETA: %v", i+1, total, progress, eta)
}
}
logger.Successf("ProducerSync", "Background enrichment complete. Enriched %d producers with external URLs", enriched)
}
|
