refactor: split subscription site search enqueue

This commit is contained in:
ShukeBta
2026-06-24 19:48:22 +08:00
parent 35f8a166c6
commit e5b5ecce93
2 changed files with 232 additions and 179 deletions
+82 -179
View File
@@ -34,6 +34,65 @@ func (s *SubscriptionService) runSiteSearch(ctx context.Context, sub *model.Subs
s.log.Info("site-search subscription run started", subscriptionSiteSearchLogFields(sub, keyword)...)
}
results, err := s.searchSubscriptionSites(ctx, sub, keywords)
if err != nil {
return 0, err
}
if len(results) == 0 {
return s.finishSiteSearchNoResults(sub, keyword)
}
s.updateSubscriptionTotalEpisodes(ctx, sub, s.resolveSubscriptionTotalEpisodes(ctx, sub, inferSearchTotalEpisodes(results, sub)))
guidKey, seen, seenSet := s.loadSiteSearchSeen(ctx, sub)
availability := mergeLocalAvailability(
SubscriptionLocalAvailability(ctx, s.repo, sub),
s.pendingDownloadAvailability(ctx, sub),
)
candidates, selectionStats := selectSiteSearchCandidatesWithStats(results, sub, seenSet, availability)
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = appendSiteSearchSelectionLogFields(fields, selectionStats)
fields = appendAvailabilityLogFields(fields, availability)
s.log.Info("site-search subscription selection summary", fields...)
}
runState := &siteSearchRunState{
Keyword: keyword,
Seen: seen,
SeenSet: seenSet,
Availability: availability,
}
queueResult := s.enqueueSiteSearchCandidates(ctx, sub, candidates, runState)
availability = s.finalizePendingAvailability(sub, runState.Availability)
seen = trimSiteSearchSeen(runState.Seen)
_ = s.repo.Setting.Set(ctx, guidKey, strings.Join(seen, "\n"))
now := time.Now()
_ = s.repo.DB.Model(sub).Updates(map[string]any{"last_run_at": &now}).Error
_ = s.archiveCompletedSubscription(ctx, sub, availability)
if queueResult.Queued > 0 {
s.hub.Publish("subscription", map[string]any{
"id": sub.ID,
"name": sub.Name,
"queued": queueResult.Queued,
"keyword": keyword,
"resources": queueResult.Resources,
})
s.notifySubscriptionHit(sub, queueResult.Queued, queueResult.Resources)
return queueResult.Queued, nil
}
if queueResult.LastEnqueueErr != nil {
return 0, fmt.Errorf("找到 PT 资源但加入下载器失败: %w", queueResult.LastEnqueueErr)
}
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = appendSiteSearchSelectionLogFields(fields, selectionStats)
fields = appendAvailabilityLogFields(fields, availability)
fields = append(fields, zap.Int("queued", queueResult.Queued))
s.log.Info("site-search subscription no candidate queued", fields...)
}
return 0, nil
}
func (s *SubscriptionService) searchSubscriptionSites(ctx context.Context, sub *model.Subscription, keywords []string) ([]SearchResult, error) {
var (
results []SearchResult
lastSearchErr error
@@ -55,20 +114,23 @@ func (s *SubscriptionService) runSiteSearch(ctx context.Context, sub *model.Subs
}
results = dedupeSiteSearchResults(results)
if len(results) == 0 && lastSearchErr != nil && searchErrors == len(keywords) {
return 0, lastSearchErr
return nil, lastSearchErr
}
if len(results) == 0 {
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = append(fields, zap.Int("results_count", 0))
s.log.Info("site-search subscription no results", fields...)
}
now := time.Now()
_ = s.repo.DB.Model(sub).Updates(map[string]any{"last_run_at": &now}).Error
return 0, nil
}
s.updateSubscriptionTotalEpisodes(ctx, sub, s.resolveSubscriptionTotalEpisodes(ctx, sub, inferSearchTotalEpisodes(results, sub)))
return results, nil
}
func (s *SubscriptionService) finishSiteSearchNoResults(sub *model.Subscription, keyword string) (int, error) {
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = append(fields, zap.Int("results_count", 0))
s.log.Info("site-search subscription no results", fields...)
}
now := time.Now()
_ = s.repo.DB.Model(sub).Updates(map[string]any{"last_run_at": &now}).Error
return 0, nil
}
func (s *SubscriptionService) loadSiteSearchSeen(ctx context.Context, sub *model.Subscription) (string, []string, map[string]struct{}) {
guidKey := fmt.Sprintf("subscription.%s.seen", sub.ID)
seenRaw, _ := s.repo.Setting.Get(ctx, guidKey)
seen := splitNonEmpty(seenRaw)
@@ -76,171 +138,12 @@ func (s *SubscriptionService) runSiteSearch(ctx context.Context, sub *model.Subs
for _, g := range seen {
seenSet[g] = struct{}{}
}
availability := mergeLocalAvailability(
SubscriptionLocalAvailability(ctx, s.repo, sub),
s.pendingDownloadAvailability(ctx, sub),
)
candidates, selectionStats := selectSiteSearchCandidatesWithStats(results, sub, seenSet, availability)
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = appendSiteSearchSelectionLogFields(fields, selectionStats)
fields = appendAvailabilityLogFields(fields, availability)
s.log.Info("site-search subscription selection summary", fields...)
}
var lastEnqueueErr error
queued := 0
var resources []string
for _, candidate := range candidates {
item := candidate.Item
matchText := subscriptionSearchResultText(item)
mediaType, mediaCategory := s.classifySubscriptionItem(ctx, sub, matchText, item.Category)
if s.shouldSkipExistingTorrent(ctx, mediaType, candidate) {
addSiteSearchCandidateAvailability(candidate, &availability)
seen = append(seen, candidate.GUID)
seenSet[candidate.GUID] = struct{}{}
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = append(fields,
zap.String("reason", "existing_torrent"),
zap.String("title", item.Title),
zap.String("subtitle", item.Subtitle),
zap.String("site", firstNonEmpty(item.SiteName, item.SiteID)),
zap.String("site_category", item.Category),
zap.Int("season", candidate.Season),
zap.Int("episode", candidate.Episode),
zap.Bool("pack", candidate.Pack),
zap.String("media_type", mediaType),
)
s.log.Info("site-search subscription candidate skipped", fields...)
}
continue
}
realURL := s.site.ResolveDownloadURL(ctx, candidate.Download)
savePath := s.resolveSubscriptionSavePath(ctx, sub, mediaType, mediaCategory)
if s.downloadPathHasCandidate(ctx, sub, matchText, savePath) {
addSiteSearchCandidateAvailability(candidate, &availability)
seen = append(seen, candidate.GUID)
seenSet[candidate.GUID] = struct{}{}
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = append(fields,
zap.String("reason", "download_path_has_candidate"),
zap.String("title", item.Title),
zap.String("subtitle", item.Subtitle),
zap.String("site", firstNonEmpty(item.SiteName, item.SiteID)),
zap.String("site_category", item.Category),
zap.Int("season", candidate.Season),
zap.Int("episode", candidate.Episode),
zap.Bool("pack", candidate.Pack),
zap.String("media_type", mediaType),
zap.String("media_category", mediaCategory),
zap.String("save_path", savePath),
)
s.log.Info("site-search subscription candidate skipped", fields...)
}
continue
}
if _, err := s.downloads.AddDownloadWithMeta(ctx, sub.UserID, realURL, savePath, DownloadTaskMeta{
SubscriptionID: sub.ID,
Title: firstNonEmpty(item.Title, sub.Name),
PosterURL: sub.PosterURL,
BackdropURL: sub.BackdropURL,
Overview: sub.Overview,
MediaType: mediaType,
MediaCategory: mediaCategory,
SourceCategory: item.Category,
AllowExistingLibrary: sub.WashEnabled,
}); err != nil {
if IsDownloadDedupError(err) {
addSiteSearchCandidateAvailability(candidate, &availability)
seen = append(seen, candidate.GUID)
seenSet[candidate.GUID] = struct{}{}
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = append(fields,
zap.String("reason", "download_dedup"),
zap.String("title", item.Title),
zap.String("subtitle", item.Subtitle),
zap.String("site", firstNonEmpty(item.SiteName, item.SiteID)),
zap.String("site_category", item.Category),
zap.Int("season", candidate.Season),
zap.Int("episode", candidate.Episode),
zap.Bool("pack", candidate.Pack),
zap.String("media_type", mediaType),
zap.String("media_category", mediaCategory),
zap.String("save_path", savePath),
)
s.log.Info("site-search subscription candidate skipped", fields...)
}
continue
}
lastEnqueueErr = err
s.log.Warn("site-search subscription enqueue failed",
zap.String("subscription_id", sub.ID),
zap.String("subscription", sub.Name),
zap.String("keyword", keyword),
zap.String("title", item.Title),
zap.String("subtitle", item.Subtitle),
zap.String("site", firstNonEmpty(item.SiteName, item.SiteID)),
zap.String("site_category", item.Category),
zap.String("media_type", mediaType),
zap.String("media_category", mediaCategory),
zap.String("save_path", savePath),
zap.Error(err))
continue
}
queued++
addSiteSearchCandidateAvailability(candidate, &availability)
resources = append(resources, item.Title)
seen = append(seen, candidate.GUID)
seenSet[candidate.GUID] = struct{}{}
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = append(fields,
zap.String("title", item.Title),
zap.String("subtitle", item.Subtitle),
zap.String("site", firstNonEmpty(item.SiteName, item.SiteID)),
zap.String("site_category", item.Category),
zap.Int("season", candidate.Season),
zap.Int("episode", candidate.Episode),
zap.Bool("pack", candidate.Pack),
zap.Int("score", candidate.Score),
zap.String("media_type", mediaType),
zap.String("media_category", mediaCategory),
zap.String("save_path", savePath),
)
s.log.Info("site-search subscription candidate queued", fields...)
}
}
availability = s.finalizePendingAvailability(sub, availability)
if len(seen) > 200 {
seen = seen[len(seen)-200:]
}
_ = s.repo.Setting.Set(ctx, guidKey, strings.Join(seen, "\n"))
now := time.Now()
_ = s.repo.DB.Model(sub).Updates(map[string]any{"last_run_at": &now}).Error
_ = s.archiveCompletedSubscription(ctx, sub, availability)
if queued > 0 {
s.hub.Publish("subscription", map[string]any{
"id": sub.ID,
"name": sub.Name,
"queued": queued,
"keyword": keyword,
"resources": resources,
})
s.notifySubscriptionHit(sub, queued, resources)
return queued, nil
}
if lastEnqueueErr != nil {
return 0, fmt.Errorf("找到 PT 资源但加入下载器失败: %w", lastEnqueueErr)
}
if s.log != nil {
fields := subscriptionSiteSearchLogFields(sub, keyword)
fields = appendSiteSearchSelectionLogFields(fields, selectionStats)
fields = appendAvailabilityLogFields(fields, availability)
fields = append(fields, zap.Int("queued", queued))
s.log.Info("site-search subscription no candidate queued", fields...)
}
return 0, nil
return guidKey, seen, seenSet
}
func trimSiteSearchSeen(seen []string) []string {
if len(seen) <= 200 {
return seen
}
return seen[len(seen)-200:]
}
@@ -0,0 +1,150 @@
package service
import (
"context"
"go.uber.org/zap"
"github.com/ShukeBta/MediaStationGo/internal/model"
)
type siteSearchRunState struct {
Keyword string
Seen []string
SeenSet map[string]struct{}
Availability LocalAvailability
}
type siteSearchQueueResult struct {
Queued int
Resources []string
LastEnqueueErr error
}
func (s *SubscriptionService) enqueueSiteSearchCandidates(ctx context.Context, sub *model.Subscription, candidates []siteSearchCandidate, state *siteSearchRunState) siteSearchQueueResult {
var result siteSearchQueueResult
for _, candidate := range candidates {
title, err := s.enqueueSiteSearchCandidate(ctx, sub, candidate, state)
if err != nil {
result.LastEnqueueErr = err
continue
}
if title == "" {
continue
}
result.Queued++
result.Resources = append(result.Resources, title)
}
return result
}
func (s *SubscriptionService) enqueueSiteSearchCandidate(ctx context.Context, sub *model.Subscription, candidate siteSearchCandidate, state *siteSearchRunState) (string, error) {
item := candidate.Item
matchText := subscriptionSearchResultText(item)
mediaType, mediaCategory := s.classifySubscriptionItem(ctx, sub, matchText, item.Category)
if s.shouldSkipExistingTorrent(ctx, mediaType, candidate) {
state.markCandidateAvailable(candidate)
s.logSiteSearchCandidateSkipped(sub, state, candidate, "existing_torrent", mediaType, "", "")
return "", nil
}
realURL := s.site.ResolveDownloadURL(ctx, candidate.Download)
savePath := s.resolveSubscriptionSavePath(ctx, sub, mediaType, mediaCategory)
if s.downloadPathHasCandidate(ctx, sub, matchText, savePath) {
state.markCandidateAvailable(candidate)
s.logSiteSearchCandidateSkipped(sub, state, candidate, "download_path_has_candidate", mediaType, mediaCategory, savePath)
return "", nil
}
if _, err := s.downloads.AddDownloadWithMeta(ctx, sub.UserID, realURL, savePath, DownloadTaskMeta{
SubscriptionID: sub.ID,
Title: firstNonEmpty(item.Title, sub.Name),
PosterURL: sub.PosterURL,
BackdropURL: sub.BackdropURL,
Overview: sub.Overview,
MediaType: mediaType,
MediaCategory: mediaCategory,
SourceCategory: item.Category,
AllowExistingLibrary: sub.WashEnabled,
}); err != nil {
if IsDownloadDedupError(err) {
state.markCandidateAvailable(candidate)
s.logSiteSearchCandidateSkipped(sub, state, candidate, "download_dedup", mediaType, mediaCategory, savePath)
return "", nil
}
s.logSiteSearchEnqueueFailed(sub, state, candidate, mediaType, mediaCategory, savePath, err)
return "", err
}
state.markCandidateAvailable(candidate)
s.logSiteSearchCandidateQueued(sub, state, candidate, mediaType, mediaCategory, savePath)
return item.Title, nil
}
func (state *siteSearchRunState) markCandidateAvailable(candidate siteSearchCandidate) {
addSiteSearchCandidateAvailability(candidate, &state.Availability)
state.Seen = append(state.Seen, candidate.GUID)
if state.SeenSet != nil {
state.SeenSet[candidate.GUID] = struct{}{}
}
}
func (s *SubscriptionService) logSiteSearchCandidateSkipped(sub *model.Subscription, state *siteSearchRunState, candidate siteSearchCandidate, reason, mediaType, mediaCategory, savePath string) {
if s.log == nil {
return
}
fields := subscriptionSiteSearchLogFields(sub, state.Keyword)
fields = append(fields, zap.String("reason", reason))
fields = appendSiteSearchCandidateLogFields(fields, candidate)
fields = append(fields, zap.String("media_type", mediaType))
if mediaCategory != "" {
fields = append(fields, zap.String("media_category", mediaCategory))
}
if savePath != "" {
fields = append(fields, zap.String("save_path", savePath))
}
s.log.Info("site-search subscription candidate skipped", fields...)
}
func (s *SubscriptionService) logSiteSearchCandidateQueued(sub *model.Subscription, state *siteSearchRunState, candidate siteSearchCandidate, mediaType, mediaCategory, savePath string) {
if s.log == nil {
return
}
fields := subscriptionSiteSearchLogFields(sub, state.Keyword)
fields = appendSiteSearchCandidateLogFields(fields, candidate)
fields = append(fields,
zap.Int("score", candidate.Score),
zap.String("media_type", mediaType),
zap.String("media_category", mediaCategory),
zap.String("save_path", savePath),
)
s.log.Info("site-search subscription candidate queued", fields...)
}
func (s *SubscriptionService) logSiteSearchEnqueueFailed(sub *model.Subscription, state *siteSearchRunState, candidate siteSearchCandidate, mediaType, mediaCategory, savePath string, err error) {
if s.log == nil {
return
}
fields := subscriptionSiteSearchLogFields(sub, state.Keyword)
fields = appendSiteSearchCandidateLogFields(fields, candidate)
fields = append(fields,
zap.String("media_type", mediaType),
zap.String("media_category", mediaCategory),
zap.String("save_path", savePath),
zap.Error(err),
)
s.log.Warn("site-search subscription enqueue failed", fields...)
}
func appendSiteSearchCandidateLogFields(fields []zap.Field, candidate siteSearchCandidate) []zap.Field {
item := candidate.Item
return append(fields,
zap.String("title", item.Title),
zap.String("subtitle", item.Subtitle),
zap.String("site", firstNonEmpty(item.SiteName, item.SiteID)),
zap.String("site_category", item.Category),
zap.Int("season", candidate.Season),
zap.Int("episode", candidate.Episode),
zap.Bool("pack", candidate.Pack),
)
}