init: web_hgdjc_server

2026-11-07 10:46:18 +08:00
commit b2ff6ac8ff
707 changed files with 147645 additions and 0 deletions
@@ -0,0 +1,131 @@
+package playletser
+
+import (
+	"context"
+	"strings"
+	"videoweb/app/api/proto"
+	"videoweb/pub/common/srvdef"
+	"videoweb/pub/models/playletmod"
+	"videoweb/pub/models/playletthememod"
+	"videoweb/pub/models/playlettopicgroupmod"
+
+	"go.mongodb.org/mongo-driver/bson"
+)
+
+func enabledTopicGroups(ctx context.Context) (playlettopicgroupmod.PlayletTopicGroupList, *srvdef.SrvErr) {
+	return playlettopicgroupmod.FindMany(ctx, bson.M{"status": true})
+}
+
+type topicPlayletCount struct {
+	Id    int64 `bson:"_id"`
+	Count int64 `bson:"count"`
+}
+
+// topicGroupPage 分页查询区块下有已上架短剧的专题
+func topicGroupPage(ctx context.Context, group *playlettopicgroupmod.PlayletTopicGroup, skip, limit int64) (playletthememod.PlayletThemeList, map[int64]int64, int64, *srvdef.SrvErr) {
+	counts := make(map[int64]int64)
+	if len(group.TopicIds) == 0 {
+		return playletthememod.PlayletThemeList{}, counts, 0, nil
+	}
+	themes, err := playletthememod.FindManyPlayletTheme(ctx, bson.M{
+		playletthememod.FN.PlayletTheme.Id:     bson.M{"$in": group.TopicIds},
+		playletthememod.FN.PlayletTheme.Status: true,
+	})
+	if err != nil {
+		return nil, nil, 0, err
+	}
+	byID := make(map[int64]*playletthememod.PlayletTheme, len(themes))
+	for _, theme := range themes {
+		if theme != nil {
+			byID[theme.Id] = theme
+		}
+	}
+	rows := make([]topicPlayletCount, 0)
+	err = playletmod.AggregatePlaylet(ctx, &rows, []bson.M{
+		{"$match": bson.M{playletmod.FN.Playlet.Status: playletmod.StatusUp, playletmod.FN.Playlet.ThemeIds: bson.M{"$in": group.TopicIds}}},
+		{"$unwind": "$" + playletmod.FN.Playlet.ThemeIds},
+		{"$match": bson.M{playletmod.FN.Playlet.ThemeIds: bson.M{"$in": group.TopicIds}}},
+		{"$group": bson.M{"_id": "$" + playletmod.FN.Playlet.ThemeIds, "count": bson.M{"$sum": 1}}},
+	})
+	if err != nil {
+		return nil, nil, 0, err
+	}
+	for _, row := range rows {
+		counts[row.Id] = row.Count
+	}
+	available := make(playletthememod.PlayletThemeList, 0, len(themes))
+	seen := make(map[int64]bool, len(group.TopicIds))
+	for _, id := range group.TopicIds {
+		if seen[id] {
+			continue
+		}
+		seen[id] = true
+		if theme := byID[id]; theme != nil && counts[id] > 0 {
+			available = append(available, theme)
+		}
+	}
+	total := int64(len(available))
+	if skip >= total {
+		return playletthememod.PlayletThemeList{}, counts, total, nil
+	}
+	end := skip + limit
+	if end > total {
+		end = total
+	}
+	return available[skip:end], counts, total, nil
+}
+
+// topicGroupPageData 组装区块当前页专题及单部短剧预览
+func topicGroupPageData(ctx context.Context, group *playlettopicgroupmod.PlayletTopicGroup, skip, limit int64) (*proto.PlayletTopicGroupPageItem, *srvdef.SrvErr) {
+	themes, counts, totalCount, err := topicGroupPage(ctx, group, skip, limit)
+	if err != nil {
+		return nil, err
+	}
+	page := &proto.PlayletTopicGroupPageItem{
+		Id: group.Id, Name: group.Name, Desc: group.Desc, Rank: group.Rank,
+		TotalCount: totalCount, List: make([]*proto.PlayletTopicPageItem, 0, len(themes)),
+	}
+	if len(themes) == 0 {
+		return page, nil
+	}
+	previewByTheme := make(map[int64]playletmod.PlayletList, len(themes))
+	previews := make(playletmod.PlayletList, 0, len(themes))
+	for _, theme := range themes {
+		filter, sort := playletTopicPagePlayletQuery(0, theme.Id)
+		list, err := findHomePlaylets(ctx, filter, sort, 1)
+		if err != nil {
+			return nil, err
+		}
+		previewByTheme[theme.Id] = list
+		previews = append(previews, list...)
+	}
+	themeNameMap, err := buildHomeThemeNameMap(ctx, previews)
+	if err != nil {
+		return nil, err
+	}
+	tagNameMap, err := buildHomeTagNameMap(ctx, previews)
+	if err != nil {
+		return nil, err
+	}
+	for _, theme := range themes {
+		preview := playletsToHomeCommonData(ctx, previewByTheme[theme.Id], themeNameMap, tagNameMap)
+		covers := make([]string, 0, len(preview))
+		if len(preview) > 0 {
+			cover := preview[0].HorizontalCover
+			if cover == "" {
+				cover = preview[0].Cover
+			}
+			if cover != "" {
+				covers = append(covers, cover)
+			}
+		}
+		page.List = append(page.List, &proto.PlayletTopicPageItem{
+			Id: theme.Id, Name: theme.Name, Slug: theme.Slug,
+			Desc: strings.TrimSpace(theme.SeoInfo.Description),
+			Icon: withImageDomain(ctx, theme.Icon), Rank: theme.Rank,
+			PlayletCount: counts[theme.Id], Covers: covers, List: preview,
+			SeoInfo: buildPageSeoInfoFromValue(theme.SeoInfo, theme.Name, "", buildPlayletThemeListCanonicalURL(theme.Slug, theme.Id)),
+		})
+	}
+	return page, nil
+}