387 lines
10 KiB
Go
387 lines
10 KiB
Go
package sitemap
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import (
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"context"
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"strings"
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"sync"
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"time"
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"videoweb/pub/models/homeconfigmod"
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"videoweb/pub/models/playletchaptermod"
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"videoweb/pub/models/playletmod"
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"videoweb/pub/models/playlettagmod"
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"videoweb/pub/models/playletthememod"
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"videoweb/pub/seo/h5path"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/mongo/options"
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)
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type idWithTime struct {
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Id int64
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Slug string
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LastMod time.Time
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IsOriginal bool
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ChapterID int64
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SkipPlaySitemap bool
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}
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type staticPageEntry struct {
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path string
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changeFreq string
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priority float32
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}
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func buildStaticURLs(webAddr string, entries []staticPageEntry) []URL {
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urls := make([]URL, 0, len(entries))
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now := time.Now().Format(time.DateOnly)
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for _, entry := range entries {
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urls = append(urls, URL{
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Loc: h5path.SitemapAbs(webAddr, entry.path),
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LastMod: now,
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ChangeFreq: entry.changeFreq,
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Priority: entry.priority,
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})
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}
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return urls
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}
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func entityPath(prefix, slug string, id int64) string {
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return h5path.Entity(prefix, slug, id)
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}
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func hgdjStaticPages() []staticPageEntry {
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return []staticPageEntry{
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{path: "/", changeFreq: "daily", priority: 1.0},
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{path: "/shorts", changeFreq: "daily", priority: 0.9},
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{path: "/topics", changeFreq: "daily", priority: 0.8},
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{path: "/rank/hot", changeFreq: "daily", priority: 0.8},
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{path: "/rank/new", changeFreq: "daily", priority: 0.7},
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{path: "/rank/follow", changeFreq: "daily", priority: 0.7},
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{path: "/info/about-us", changeFreq: "yearly", priority: 0.3},
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{path: "/info/user-agreement", changeFreq: "yearly", priority: 0.3},
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{path: "/info/privacy-policy", changeFreq: "yearly", priority: 0.3},
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{path: "/info/help-center", changeFreq: "yearly", priority: 0.3},
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{path: "/info/2257", changeFreq: "yearly", priority: 0.3},
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{path: "/info/dmca", changeFreq: "yearly", priority: 0.3},
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}
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}
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// getURL 并发拉取短剧数据并写入 sitemap 分片。
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func getURL(sg *SitemapGenerator) {
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webAddr := strings.TrimSpace(sg.WebAddr)
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if webAddr == "" {
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return
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}
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ctx := context.Background()
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var (
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wg sync.WaitGroup
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listed listedPlaylets
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themeItems []idWithTime
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tagItems []idWithTime
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homeConfigs []homeConfigItem
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)
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wg.Add(4)
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go func() {
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defer wg.Done()
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listed = getPlayletList(ctx)
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}()
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go func() {
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defer wg.Done()
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themeItems = getThemeList(ctx)
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}()
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go func() {
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defer wg.Done()
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tagItems = getTagList(ctx)
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}()
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go func() {
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defer wg.Done()
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homeConfigs = getHomeConfigList(ctx)
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}()
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wg.Wait()
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// 题材/标签没有上架内容时不写入，避免空列表页被收录。
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themeItems = keepWithListedPlaylets(themeItems, listed.themeIDs)
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tagItems = keepWithListedPlaylets(tagItems, listed.tagIDs)
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pageURLs := buildStaticURLs(webAddr, hgdjStaticPages())
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for _, item := range themeItems {
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if path := h5path.Topic(item.Slug, item.Id); path != "" {
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pageURLs = append(pageURLs, newURL(webAddr, path, item.LastMod, "daily", 0.8))
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}
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}
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for _, item := range tagItems {
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if path := h5path.ContentTag(item.Slug, item.Id); path != "" {
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pageURLs = append(pageURLs, newURL(webAddr, path, item.LastMod, "weekly", 0.6))
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}
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}
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for _, item := range homeConfigs {
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path := ""
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if item.Type == homeconfigmod.TypePlaylet {
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path = h5path.HomeMore(item.Slug, item.Id)
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}
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if path != "" {
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pageURLs = append(pageURLs, newURL(webAddr, path, item.LastMod, "daily", 0.7))
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}
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}
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if len(pageURLs) > 0 {
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_ = sg.writeSitemapFile("sitemap-pages.xml", pageURLs)
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}
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// 播放页 /play/{slug}/{chapterId} 是否收录由前端按观看权限决定，sitemap 只提交详情页 /detail/{slug}。
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// 原创且第一集无水印时不提交，避免空壳详情被收录。
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populateFirstChapters(ctx, listed.items)
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if urls := buildPlayletPathURLs(webAddr, listed.items, "weekly", 0.7); len(urls) > 0 {
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_ = sg.writeSitemapFiles("sitemap-playletdetail", urls)
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}
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}
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type listedPlaylets struct {
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items []idWithTime
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themeIDs map[int64]struct{}
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tagIDs map[int64]struct{}
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}
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type homeConfigItem struct {
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Id int64
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Slug string
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Type int32
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LastMod time.Time
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}
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func newURL(webAddr, path string, lastMod time.Time, changeFreq string, priority float32) URL {
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mod := formatLastMod(lastMod)
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if mod == "" {
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mod = time.Now().Format(time.DateOnly)
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}
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return URL{
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Loc: h5path.SitemapAbs(webAddr, path),
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LastMod: mod,
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ChangeFreq: changeFreq,
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Priority: priority,
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}
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}
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func keepWithListedPlaylets(items []idWithTime, listed map[int64]struct{}) []idWithTime {
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if len(items) == 0 || len(listed) == 0 {
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return nil
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}
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out := make([]idWithTime, 0, len(items))
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for _, item := range items {
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if _, ok := listed[item.Id]; ok {
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out = append(out, item)
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}
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}
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return out
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}
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func addListedIDs(dst map[int64]struct{}, ids []int64) {
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for _, id := range ids {
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if id > 0 {
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dst[id] = struct{}{}
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}
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}
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}
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func buildPlayletPathURLs(webAddr string, items []idWithTime, changeFreq string, priority float32) []URL {
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urls := make([]URL, 0, len(items))
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for _, item := range items {
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if item.SkipPlaySitemap {
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continue
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}
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path := h5path.Detail(item.Slug, item.Id)
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if path == "" {
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continue
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}
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urls = append(urls, newURL(webAddr, path, item.LastMod, changeFreq, priority))
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}
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return urls
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}
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func playletIDs(items []idWithTime) []int64 {
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ids := make([]int64, 0, len(items))
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for _, item := range items {
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if item.Id > 0 {
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ids = append(ids, item.Id)
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}
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}
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return ids
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}
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func skipOriginalChapterWithoutWatermark(isOriginal bool, watermarkURL string) bool {
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return isOriginal && strings.TrimSpace(watermarkURL) == ""
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}
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// populateFirstChapters 每剧只看第一集；原创且无水印则不写播放 URL。
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func populateFirstChapters(ctx context.Context, items []idWithTime) {
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for start := 0; start < len(items); start += 500 {
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end := start + 500
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if end > len(items) {
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end = len(items)
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}
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ids := make([]int64, 0, end-start)
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byID := make(map[int64]*idWithTime, end-start)
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for i := start; i < end; i++ {
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if items[i].Id <= 0 {
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continue
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}
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ids = append(ids, items[i].Id)
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byID[items[i].Id] = &items[i]
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}
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if len(ids) == 0 {
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continue
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}
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chapters, err := playletchaptermod.FindManyPlayletChapter(ctx, bson.M{
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playletchaptermod.FN.PlayletChapter.PlayletId: bson.M{"$in": ids},
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}, options.Find().
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SetSort(bson.D{
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{Key: playletchaptermod.FN.PlayletChapter.CurrentEpisode, Value: 1},
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{Key: playletchaptermod.FN.PlayletChapter.Id, Value: 1},
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}).
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SetProjection(bson.M{
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playletchaptermod.FN.PlayletChapter.Id: 1,
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playletchaptermod.FN.PlayletChapter.PlayletId: 1,
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playletchaptermod.FN.PlayletChapter.WatermarkVideoUrl: 1,
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}))
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if err != nil {
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return
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}
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seenFirst := make(map[int64]struct{}, len(ids))
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for _, ch := range chapters {
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if ch == nil || ch.Id <= 0 {
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continue
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}
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item := byID[ch.PlayletId]
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if item == nil {
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continue
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}
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if _, ok := seenFirst[ch.PlayletId]; ok {
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continue
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}
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seenFirst[ch.PlayletId] = struct{}{}
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if skipOriginalChapterWithoutWatermark(item.IsOriginal, ch.WatermarkVideoUrl) {
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item.SkipPlaySitemap = true
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continue
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}
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item.ChapterID = ch.Id
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}
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}
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}
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func formatLastMod(t time.Time) string {
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if t.IsZero() {
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return ""
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}
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return t.Format(time.DateOnly)
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}
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func getPlayletList(ctx context.Context) listedPlaylets {
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result := listedPlaylets{
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items: make([]idWithTime, 0),
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themeIDs: make(map[int64]struct{}),
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tagIDs: make(map[int64]struct{}),
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}
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filter := bson.M{
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playletmod.FN.Playlet.Status: playletmod.StatusUp,
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}
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pageSize := int64(1000)
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for i := int64(0); i < 500; i++ {
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skip := i * pageSize
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list, _ := playletmod.FindManyPlaylet(ctx, filter, options.Find().
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SetSort(bson.M{playletmod.FN.Playlet.Id: -1}).
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SetSkip(skip).
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SetLimit(pageSize).
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SetProjection(bson.M{
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playletmod.FN.Playlet.Id: 1,
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playletmod.FN.Playlet.Slug: 1,
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playletmod.FN.Playlet.IsOriginal: 1,
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playletmod.FN.Playlet.UpdatedAt: 1,
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playletmod.FN.Playlet.OnlineAt: 1,
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playletmod.FN.Playlet.ThemeIds: 1,
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playletmod.FN.Playlet.TagIds: 1,
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}))
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for _, info := range list {
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if info == nil || info.Id <= 0 {
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continue
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}
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lastMod := info.UpdatedAt
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if lastMod.IsZero() {
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lastMod = info.OnlineAt
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}
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result.items = append(result.items, idWithTime{Id: info.Id, Slug: info.Slug, LastMod: lastMod, IsOriginal: info.IsOriginal})
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addListedIDs(result.themeIDs, info.ThemeIds)
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addListedIDs(result.tagIDs, info.TagIds)
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}
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if len(list) < int(pageSize) {
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break
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}
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}
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return result
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}
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func getThemeList(ctx context.Context) []idWithTime {
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filter := bson.M{
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playletthememod.FN.PlayletTheme.Status: true,
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}
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pageSize := int64(1000)
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items := make([]idWithTime, 0)
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for i := int64(0); i < 100; i++ {
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skip := i * pageSize
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list, _ := playletthememod.FindManyPlayletTheme(ctx, filter, options.Find().
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SetSort(bson.M{playletthememod.FN.PlayletTheme.Rank: -1}).
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SetSkip(skip).
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SetLimit(pageSize))
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for _, info := range list {
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if info == nil || info.Id <= 0 || strings.TrimSpace(info.Name) == "" {
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continue
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}
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items = append(items, idWithTime{Id: info.Id, Slug: info.Slug, LastMod: info.UpdatedAt})
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}
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if len(list) < int(pageSize) {
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break
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}
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}
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return items
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}
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func getTagList(ctx context.Context) []idWithTime {
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filter := bson.M{
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playlettagmod.FN.PlayletTag.Status: true,
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}
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pageSize := int64(1000)
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items := make([]idWithTime, 0)
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for i := int64(0); i < 100; i++ {
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skip := i * pageSize
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list, _ := playlettagmod.FindManyPlayletTag(ctx, filter, options.Find().
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SetSort(bson.M{playlettagmod.FN.PlayletTag.Rank: -1}).
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SetSkip(skip).
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SetLimit(pageSize))
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for _, info := range list {
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if info == nil || info.Id <= 0 || strings.TrimSpace(info.Name) == "" {
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continue
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}
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items = append(items, idWithTime{Id: info.Id, Slug: info.Slug, LastMod: info.UpdatedAt})
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}
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if len(list) < int(pageSize) {
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break
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}
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}
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return items
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}
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func getHomeConfigList(ctx context.Context) []homeConfigItem {
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list, _ := homeconfigmod.FindManyHomeConfig(ctx, bson.M{
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homeconfigmod.FN.HomeConfig.Status: true,
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homeconfigmod.FN.HomeConfig.Type: homeconfigmod.TypePlaylet,
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}, options.Find().SetSort(bson.M{homeconfigmod.FN.HomeConfig.Rank: -1}))
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items := make([]homeConfigItem, 0, len(list))
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for _, info := range list {
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if info == nil || info.Id <= 0 {
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continue
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}
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items = append(items, homeConfigItem{Id: info.Id, Slug: info.Slug, Type: info.Type, LastMod: info.UpdatedAt})
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}
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return items
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}
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