Files
silo-server/internal/requests/presence.go
T

122 lines
3.2 KiB
Go

package requests
import (
"context"
"log/slog"
"strconv"
"strings"
"github.com/Silo-Server/silo-server/internal/catalog"
)
type PresenceCandidate struct {
TMDBID int
TVDBID *int
IMDbID string
}
type PresenceMatch struct {
Available bool
ContentID string
MatchedProvider string
}
type PresenceResolver interface {
Lookup(ctx context.Context, mediaType MediaType, candidates []PresenceCandidate) (map[int]PresenceMatch, error)
}
type presenceItemLookup interface {
LookupExternalIDs(ctx context.Context, mediaType string, candidates []catalog.ExternalIDLookupCandidate) ([]catalog.ExternalIDMatchRow, error)
}
type tmdbBackfiller interface {
AttachTMDBID(ctx context.Context, contentID, itemType string, tmdbID int) error
}
type CatalogPresence struct {
items presenceItemLookup
tmdbBackfill tmdbBackfiller
}
func NewCatalogPresence(items *catalog.ItemRepository, providerIDs ...*catalog.ProviderIDRepository) *CatalogPresence {
var itemLookup presenceItemLookup
if items != nil {
itemLookup = items
}
var backfill tmdbBackfiller
if len(providerIDs) > 0 && providerIDs[0] != nil {
backfill = providerIDs[0]
}
return &CatalogPresence{items: itemLookup, tmdbBackfill: backfill}
}
func (p *CatalogPresence) Lookup(ctx context.Context, mediaType MediaType, candidates []PresenceCandidate) (map[int]PresenceMatch, error) {
out := map[int]PresenceMatch{}
if p == nil || p.items == nil || len(candidates) == 0 {
return out, nil
}
lookupCandidates := make([]catalog.ExternalIDLookupCandidate, 0, len(candidates))
for _, candidate := range candidates {
if candidate.TMDBID <= 0 {
continue
}
row := catalog.ExternalIDLookupCandidate{
TMDBID: strconv.Itoa(candidate.TMDBID),
IMDbID: strings.TrimSpace(candidate.IMDbID),
}
if candidate.TVDBID != nil && *candidate.TVDBID > 0 {
row.TVDBID = strconv.Itoa(*candidate.TVDBID)
}
lookupCandidates = append(lookupCandidates, row)
}
if len(lookupCandidates) == 0 {
return out, nil
}
rows, err := p.items.LookupExternalIDs(ctx, string(mediaType), lookupCandidates)
if err != nil {
return nil, err
}
for _, row := range rows {
id, err := strconv.Atoi(row.QueryTMDBID)
if err != nil || id <= 0 {
continue
}
out[id] = PresenceMatch{
Available: true,
ContentID: row.MediaID,
MatchedProvider: row.MatchedProvider,
}
if row.MatchedProvider != "tmdb" && p.tmdbBackfill != nil {
if err := p.tmdbBackfill.AttachTMDBID(ctx, row.MediaID, string(mediaType), id); err != nil {
slog.Warn("requests: failed to backfill tmdb id from presence lookup",
"content_id", row.MediaID,
"media_type", mediaType,
"tmdb_id", id,
"matched_provider", row.MatchedProvider,
"error", err)
}
}
}
return out, nil
}
func (p *CatalogPresence) LookupTMDB(ctx context.Context, mediaType MediaType, tmdbIDs []int) (map[int]bool, error) {
candidates := make([]PresenceCandidate, 0, len(tmdbIDs))
for _, id := range tmdbIDs {
if id > 0 {
candidates = append(candidates, PresenceCandidate{TMDBID: id})
}
}
matches, err := p.Lookup(ctx, mediaType, candidates)
if err != nil {
return nil, err
}
out := map[int]bool{}
for id, match := range matches {
out[id] = match.Available
}
return out, nil
}