init: 初始化 web_hgdjb_server 项目

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
2026-11-07 10:47:32 +08:00
commit f13d33af4d
707 changed files with 147705 additions and 0 deletions
@@ -0,0 +1,125 @@
+package srv_playlet
+
+import (
+	"context"
+	"strings"
+	"videoweb/pub/common/srvdef"
+	"videoweb/pub/models/playletthememod"
+	"videoweb/pub/models/playlettopicgroupmod"
+	"videoweb/web/api/proto"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+// ListPlayletTopicGroups 查询后台专题区块
+func ListPlayletTopicGroups(ctx context.Context, req *proto.PlayletTopicGroupListReq) (*proto.PlayletTopicGroupListResp, *srvdef.SrvErr) {
+	if req == nil {
+		return nil, srvdef.New(srvdef.ErrParamError, "", "")
+	}
+	pageNum, pageSize := normalizePage(req.PageNum, req.PageSize)
+	filter := bson.M{}
+	if req.Status != nil {
+		filter["status"] = *req.Status
+	}
+	totalCount, err := playlettopicgroupmod.Count(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	resp := &proto.PlayletTopicGroupListResp{
+		TotalCount: totalCount, PageNum: int(pageNum), PageSize: int(pageSize),
+		List: make(playlettopicgroupmod.PlayletTopicGroupList, 0),
+	}
+	if totalCount == 0 || (pageNum-1)*pageSize >= totalCount {
+		return resp, nil
+	}
+	list, err := playlettopicgroupmod.FindMany(ctx, filter, options.Find().SetSkip((pageNum-1)*pageSize).SetLimit(pageSize))
+	if err != nil {
+		return nil, err
+	}
+	resp.List = list
+	return resp, nil
+}
+
+// AddPlayletTopicGroup 新增专题区块
+func AddPlayletTopicGroup(ctx context.Context, req *proto.PlayletTopicGroupAddReq) (*proto.PlayletTopicGroupAddResp, *srvdef.SrvErr) {
+	if req == nil || strings.TrimSpace(req.Name) == "" || req.Status == nil {
+		return nil, srvdef.New(srvdef.ErrParamError, "专题区块参数无效", "")
+	}
+	ids, err := validateTopicGroupIDs(ctx, req.TopicIds)
+	if err != nil {
+		return nil, err
+	}
+	doc := &playlettopicgroupmod.PlayletTopicGroup{
+		Name: strings.TrimSpace(req.Name), Desc: strings.TrimSpace(req.Desc),
+		TopicIds: ids, Rank: req.Rank, Status: *req.Status,
+	}
+	if err := playlettopicgroupmod.Insert(ctx, doc); err != nil {
+		return nil, err
+	}
+	return &proto.PlayletTopicGroupAddResp{Id: doc.Id}, nil
+}
+
+// UpdatePlayletTopicGroup 更新专题区块
+func UpdatePlayletTopicGroup(ctx context.Context, req *proto.PlayletTopicGroupUpdateReq) *srvdef.SrvErr {
+	if req == nil || req.Id <= 0 {
+		return srvdef.New(srvdef.ErrParamError, "专题区块ID无效", "")
+	}
+	set := bson.M{}
+	if req.Name != nil {
+		name := strings.TrimSpace(*req.Name)
+		if name == "" {
+			return srvdef.New(srvdef.ErrParamError, "专题区块名称不能为空", "")
+		}
+		set["name"] = name
+	}
+	if req.Desc != nil {
+		set["desc"] = strings.TrimSpace(*req.Desc)
+	}
+	if req.TopicIds != nil {
+		ids, err := validateTopicGroupIDs(ctx, *req.TopicIds)
+		if err != nil {
+			return err
+		}
+		set["topicIds"] = ids
+	}
+	if req.Rank != nil {
+		set["rank"] = *req.Rank
+	}
+	if req.Status != nil {
+		set["status"] = *req.Status
+	}
+	if len(set) == 0 {
+		return srvdef.New(srvdef.ErrParamError, "没有可更新字段", "")
+	}
+	return playlettopicgroupmod.Update(ctx, req.Id, set)
+}
+
+// DeletePlayletTopicGroup 删除专题区块
+func DeletePlayletTopicGroup(ctx context.Context, id int64) *srvdef.SrvErr {
+	if id <= 0 {
+		return srvdef.New(srvdef.ErrParamError, "专题区块ID无效", "")
+	}
+	return playlettopicgroupmod.Delete(ctx, id)
+}
+
+func validateTopicGroupIDs(ctx context.Context, ids []int64) ([]int64, *srvdef.SrvErr) {
+	if len(ids) == 0 {
+		return []int64{}, nil
+	}
+	seen := make(map[int64]bool, len(ids))
+	for _, id := range ids {
+		if id <= 0 || seen[id] {
+			return nil, srvdef.New(srvdef.ErrParamError, "专题ID无效或重复", "")
+		}
+		seen[id] = true
+	}
+	count, err := playletthememod.CountPlayletTheme(ctx, bson.M{playletthememod.FN.PlayletTheme.Id: bson.M{"$in": ids}})
+	if err != nil {
+		return nil, err
+	}
+	if count != int64(len(ids)) {
+		return nil, srvdef.New(srvdef.ErrParamError, "专题不存在", "")
+	}
+	return ids, nil
+}