init: web_hgdjc_server

2026-11-07 10:44:09 +08:00
commit 71a4f4e175
713 changed files with 147749 additions and 0 deletions
@@ -0,0 +1,238 @@
+package srv_homebanner
+
+import (
+	"context"
+	"regexp"
+	"strings"
+	"time"
+	"videoweb/pub/common/playletcache"
+	"videoweb/pub/common/response"
+	"videoweb/pub/common/srvdef"
+	"videoweb/pub/models/homebannermod"
+	"videoweb/pub/models/mwacc"
+	"videoweb/web/api/proto"
+
+	"go.mongodb.org/mongo-driver/bson"
+	"go.mongodb.org/mongo-driver/mongo/options"
+)
+
+const (
+	defaultHomeBannerPageSize int64 = 10
+	maxHomeBannerPageSize     int64 = 100
+)
+
+var homeBannerWebProjection = bson.D{
+	{Key: homebannermod.FN.HomeBanner.Id, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.Name, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.Image, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.VerticalImage, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.Url, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.Rank, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.Status, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.CreatedById, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.CreatedByName, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.UpdatedByName, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.CreatedAt, Value: 1},
+	{Key: homebannermod.FN.HomeBanner.UpdatedAt, Value: 1},
+}
+
+// ListHomeBanner 分页查询首页 banner 列表
+func ListHomeBanner(ctx context.Context, req *proto.HomeBannerListReq) (*proto.HomeBannerListPageResp, *srvdef.SrvErr) {
+	if req == nil {
+		return nil, srvdef.New(srvdef.ErrParamError, "", "")
+	}
+	filter := bson.M{}
+	if req.Id != nil && *req.Id > 0 {
+		filter[homebannermod.FN.HomeBanner.Id] = *req.Id
+	}
+	if req.Status != nil {
+		filter[homebannermod.FN.HomeBanner.Status] = *req.Status
+	}
+	if name := strings.TrimSpace(req.Name); name != "" {
+		filter[homebannermod.FN.HomeBanner.Name] = bson.M{"$regex": regexp.QuoteMeta(name)}
+	}
+	pageNum, pageSize := normalizeHomeBannerPage(req.PageNum, req.PageSize)
+	totalCount, err := homebannermod.CountHomeBanner(ctx, filter)
+	if err != nil {
+		return nil, err
+	}
+	resp := &proto.HomeBannerListPageResp{
+		BasePageResp: response.BasePageResp{
+			TotalCount: totalCount,
+			PageSize:   int(pageSize),
+			PageNum:    int(pageNum),
+			List:       make([]*proto.HomeBannerListResp, 0),
+		},
+	}
+	if totalCount == 0 {
+		return resp, nil
+	}
+	list, err := homebannermod.FindManyHomeBanner(ctx, filter, options.Find().
+		SetProjection(homeBannerWebProjection).
+		SetSort(bson.D{
+			{Key: homebannermod.FN.HomeBanner.Rank, Value: -1},
+			{Key: homebannermod.FN.HomeBanner.UpdatedAt, Value: -1},
+			{Key: homebannermod.FN.HomeBanner.Id, Value: -1},
+		}).
+		SetSkip((pageNum-1)*pageSize).
+		SetLimit(pageSize))
+	if err != nil {
+		return nil, err
+	}
+	items := make([]*proto.HomeBannerListResp, 0, len(list))
+	for _, item := range list {
+		if item == nil {
+			continue
+		}
+		items = append(items, &proto.HomeBannerListResp{
+			Id:            item.Id,
+			Name:          item.Name,
+			Image:         item.Image,
+			VerticalImage: item.VerticalImage,
+			Url:           item.Url,
+			Rank:          item.Rank,
+			Status:        item.Status,
+			CreatedById:   item.CreatedById,
+			CreatedByName: item.CreatedByName,
+			UpdatedByName: item.UpdatedByName,
+			CreatedAt:     item.CreatedAt,
+			UpdatedAt:     item.UpdatedAt,
+		})
+	}
+	resp.List = items
+	return resp, nil
+}
+
+// AddHomeBanner 新增首页 banner
+func AddHomeBanner(ctx context.Context, req *proto.HomeBannerAddReq, operatorId int64) (*proto.HomeBannerAddResp, *srvdef.SrvErr) {
+	if req == nil {
+		return nil, srvdef.New(srvdef.ErrParamError, "", "")
+	}
+	name := strings.TrimSpace(req.Name)
+	image := strings.TrimSpace(req.Image)
+	if name == "" {
+		return nil, srvdef.New(srvdef.ErrParamError, "名称不能为空", "")
+	}
+	if image == "" {
+		return nil, srvdef.New(srvdef.ErrParamError, "图片不能为空", "")
+	}
+	if req.Status == nil {
+		return nil, srvdef.New(srvdef.ErrParamError, "状态不能为空", "")
+	}
+	operatorId, operatorName := resolveHomeBannerOperator(ctx, operatorId)
+	doc := &homebannermod.HomeBanner{
+		Name:          name,
+		Image:         image,
+		VerticalImage: strings.TrimSpace(req.VerticalImage),
+		Url:           strings.TrimSpace(req.Url),
+		Rank:          req.Rank,
+		Status:        *req.Status,
+		CreatedById:   operatorId,
+		CreatedByName: operatorName,
+		UpdatedByName: operatorName,
+	}
+	if err := homebannermod.InsertOneHomeBanner(ctx, doc); err != nil {
+		return nil, err
+	}
+	clearHomeBannerCache()
+	return &proto.HomeBannerAddResp{Id: doc.Id}, nil
+}
+
+// UpdateHomeBanner 更新首页 banner
+func UpdateHomeBanner(ctx context.Context, req *proto.HomeBannerUpdateReq, operatorId int64) *srvdef.SrvErr {
+	if req == nil || req.Id <= 0 {
+		return srvdef.New(srvdef.ErrParamError, "首页banner ID无效", "")
+	}
+	setDoc := bson.M{homebannermod.FN.HomeBanner.UpdatedAt: time.Now()}
+	if req.Name != nil {
+		name := strings.TrimSpace(*req.Name)
+		if name == "" {
+			return srvdef.New(srvdef.ErrParamError, "名称不能为空", "")
+		}
+		setDoc[homebannermod.FN.HomeBanner.Name] = name
+	}
+	if req.Image != nil {
+		image := strings.TrimSpace(*req.Image)
+		if image == "" {
+			return srvdef.New(srvdef.ErrParamError, "图片不能为空", "")
+		}
+		setDoc[homebannermod.FN.HomeBanner.Image] = image
+	}
+	if req.VerticalImage != nil {
+		setDoc[homebannermod.FN.HomeBanner.VerticalImage] = strings.TrimSpace(*req.VerticalImage)
+	}
+	if req.Url != nil {
+		setDoc[homebannermod.FN.HomeBanner.Url] = strings.TrimSpace(*req.Url)
+	}
+	if req.Rank != nil {
+		setDoc[homebannermod.FN.HomeBanner.Rank] = *req.Rank
+	}
+	if req.Status != nil {
+		setDoc[homebannermod.FN.HomeBanner.Status] = *req.Status
+	}
+	if len(setDoc) <= 1 {
+		return srvdef.New(srvdef.ErrParamError, "没有可更新字段", "")
+	}
+	_, operatorName := resolveHomeBannerOperator(ctx, operatorId)
+	setDoc[homebannermod.FN.HomeBanner.UpdatedByName] = operatorName
+	if err := homebannermod.UpdateOneHomeBanner(ctx,
+		bson.M{homebannermod.FN.HomeBanner.Id: req.Id},
+		bson.M{"$set": setDoc},
+	); err != nil {
+		return err
+	}
+	clearHomeBannerCache()
+	return nil
+}
+
+// DelHomeBanner 删除首页 banner
+func DelHomeBanner(ctx context.Context, req *proto.HomeBannerDelReq) *srvdef.SrvErr {
+	if req == nil || req.Id <= 0 {
+		return srvdef.New(srvdef.ErrParamError, "首页banner ID无效", "")
+	}
+	count, err := homebannermod.DelOneHomeBanner(ctx, bson.M{homebannermod.FN.HomeBanner.Id: req.Id})
+	if err != nil {
+		return err
+	}
+	if count == 0 {
+		return srvdef.New(srvdef.ErrNoData, "", "")
+	}
+	clearHomeBannerCache()
+	return nil
+}
+
+// normalizeHomeBannerPage 规范分页参数，限制单页数量避免大分页拖慢查询
+func normalizeHomeBannerPage(pageNum, pageSize int64) (int64, int64) {
+	if pageNum <= 0 {
+		pageNum = 1
+	}
+	if pageSize <= 0 {
+		pageSize = defaultHomeBannerPageSize
+	}
+	if pageSize > maxHomeBannerPageSize {
+		pageSize = maxHomeBannerPageSize
+	}
+	return pageNum, pageSize
+}
+
+// resolveHomeBannerOperator 从后台账号表解析当前操作人名称
+func resolveHomeBannerOperator(ctx context.Context, operatorId int64) (int64, string) {
+	if operatorId <= 0 {
+		return 0, ""
+	}
+	acc, err := mwacc.FindOneAccByFilter(ctx, bson.M{
+		mwacc.FN.MwAcc.Id: operatorId,
+	}, options.FindOne().SetProjection(bson.D{
+		{Key: mwacc.FN.MwAcc.Id, Value: 1},
+		{Key: mwacc.FN.MwAcc.UserName, Value: 1},
+	}))
+	if err != nil || acc == nil {
+		return operatorId, ""
+	}
+	return acc.Id, acc.UserName
+}
+
+// clearHomeBannerCache 清除短剧首页缓存
+func clearHomeBannerCache() {
+	playletcache.ClearHomeCache()
+}