获取上一名

2025-02-17 17:51:39 +08:00 · 2025-02-17 17:51:39 +08:00 · f37792b13f
commit f37792b13f
parent ac005aa95d
7 changed files with 266 additions and 58 deletions
--- a/app/ranking_service/internal/logic/atomic_get_higher_user_logic.go
+++ b/app/ranking_service/internal/logic/atomic_get_higher_user_logic.go
@ -0,0 +1,50 @@
+package logic
+
+import (
+	"context"
+	"fmt"
+	"gitea.youtukeji.com.cn/youtu/youtu_grpc/app/user_service/user"
+	"strconv"
+
+	"gitea.youtukeji.com.cn/youtu/youtu_grpc/app/ranking_service/internal/svc"
+	"gitea.youtukeji.com.cn/youtu/youtu_grpc/app/ranking_service/ranking"
+
+	"github.com/zeromicro/go-zero/core/logx"
+)
+
+type AtomicGetHigherUserLogic struct {
+	ctx    context.Context
+	svcCtx *svc.ServiceContext
+	logx.Logger
+}
+
+func NewAtomicGetHigherUserLogic(ctx context.Context, svcCtx *svc.ServiceContext) *AtomicGetHigherUserLogic {
+	return &AtomicGetHigherUserLogic{
+		ctx:    ctx,
+		svcCtx: svcCtx,
+		Logger: logx.WithContext(ctx),
+	}
+}
+
+func (l *AtomicGetHigherUserLogic) AtomicGetHigherUser(in *ranking.AtomicGetHigherUserRequest) (*ranking.RankingList, error) {
+	datum, err := l.svcCtx.RedisRanking.AtomicGetHigherUser(l.ctx, fmt.Sprintf("ecpm:rankings:appId:%d:type:%d", in.AppId, in.Type), float64(in.Score))
+	if err != nil {
+		return nil, err
+	}
+
+	userId, err := strconv.Atoi(datum.Member.(string))
+	if err != nil {
+		return nil, err
+	}
+	//查询用户数据，FindOne带缓存
+	userModel, err := l.svcCtx.UserServiceClient.GetUserById(l.ctx, &user.UserId{UserId: uint64(userId)})
+	if err != nil {
+		return nil, err
+	}
+
+	return &ranking.RankingList{
+		Nickname: userModel.Nickname,
+		Avatar:   userModel.Avatar,
+		Score:    uint32(uint64(datum.Score) >> 32),
+	}, nil
+}
--- a/app/ranking_service/internal/logic/rankings/ranking.go
+++ b/app/ranking_service/internal/logic/rankings/ranking.go
@ -53,3 +53,27 @@ func (r *Ranking) IncrScore(ctx context.Context, key, member string, increment f
 func (r *Ranking) Remove(ctx context.Context, key string) (err error) {
 	return r.c.Del(ctx, key).Err()
 }
+
+// 使用 Lua 保证原子性操作
+var getHigherByScoreScript = redis.NewScript(`
+local members = redis.call('ZRANGEBYSCORE', KEYS[1], ARGV[1],'+inf','LIMIT', 0, 1, 'WITHSCORES')
+if #members == 0 then return nil end
+return members
+`)
+
+// AtomicGetHigherUser 获取排行榜的前一名
+func (r *Ranking) AtomicGetHigherUser(ctx context.Context, key string, score float64) (data redis.Z, err error) {
+	s, err := getHigherByScoreScript.Run(ctx, r.c, []string{key}, score).Result()
+	if err != nil {
+		return
+	}
+	if s == nil {
+		return
+	}
+	data, ok := s.(redis.Z)
+	if !ok {
+		err = fmt.Errorf("redis.Z type error")
+		return
+	}
+	return
+}
--- a/app/ranking_service/internal/server/ranking_service_server.go
+++ b/app/ranking_service/internal/server/ranking_service_server.go
@ -47,3 +47,8 @@ func (s *RankingServiceServer) RemoveRanking(ctx context.Context, in *ranking.Re
 	l := logic.NewRemoveRankingLogic(ctx, s.svcCtx)
 	return l.RemoveRanking(in)
 }
+
+func (s *RankingServiceServer) AtomicGetHigherUser(ctx context.Context, in *ranking.AtomicGetHigherUserRequest) (*ranking.RankingList, error) {
+	l := logic.NewAtomicGetHigherUserLogic(ctx, s.svcCtx)
+	return l.AtomicGetHigherUser(in)
+}
--- a/app/ranking_service/ranking/ranking_service.pb.go
+++ b/app/ranking_service/ranking/ranking_service.pb.go
@ -540,6 +540,66 @@ func (x *RemoveRankingRequest) GetType() uint32 {
 	return 0
 }

+type AtomicGetHigherUserRequest struct {
+	state         protoimpl.MessageState `protogen:"open.v1"`
+	AppId         uint32                 `protobuf:"varint,1,opt,name=appId,proto3" json:"appId,omitempty"`
+	Score         uint32                 `protobuf:"varint,2,opt,name=score,proto3" json:"score,omitempty"`
+	Type          uint32                 `protobuf:"varint,3,opt,name=type,proto3" json:"type,omitempty"`
+	unknownFields protoimpl.UnknownFields
+	sizeCache     protoimpl.SizeCache
+}
+
+func (x *AtomicGetHigherUserRequest) Reset() {
+	*x = AtomicGetHigherUserRequest{}
+	mi := &file_ranking_service_proto_msgTypes[9]
+	ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+	ms.StoreMessageInfo(mi)
+}
+
+func (x *AtomicGetHigherUserRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*AtomicGetHigherUserRequest) ProtoMessage() {}
+
+func (x *AtomicGetHigherUserRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_ranking_service_proto_msgTypes[9]
+	if x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use AtomicGetHigherUserRequest.ProtoReflect.Descriptor instead.
+func (*AtomicGetHigherUserRequest) Descriptor() ([]byte, []int) {
+	return file_ranking_service_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *AtomicGetHigherUserRequest) GetAppId() uint32 {
+	if x != nil {
+		return x.AppId
+	}
+	return 0
+}
+
+func (x *AtomicGetHigherUserRequest) GetScore() uint32 {
+	if x != nil {
+		return x.Score
+	}
+	return 0
+}
+
+func (x *AtomicGetHigherUserRequest) GetType() uint32 {
+	if x != nil {
+		return x.Type
+	}
+	return 0
+}
+
 var File_ranking_service_proto protoreflect.FileDescriptor

 var file_ranking_service_proto_rawDesc = string([]byte{
@ -593,35 +653,47 @@ var file_ranking_service_proto_rawDesc = string([]byte{
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 })

@ -637,17 +709,18 @@ func file_ranking_service_proto_rawDescGZIP() []byte {
 	return file_ranking_service_proto_rawDescData
 }

-var file_ranking_service_proto_msgTypes = make([]protoimpl.MessageInfo, 9)
+var file_ranking_service_proto_msgTypes = make([]protoimpl.MessageInfo, 10)
 var file_ranking_service_proto_goTypes = []any{
-	(*Request)(nil),                 // 0: ranking_service.Request
-	(*Response)(nil),                // 1: ranking_service.Response
-	(*SetUserGameScoreRequest)(nil), // 2: ranking_service.SetUserGameScoreRequest
-	(*RankingList)(nil),             // 3: ranking_service.RankingList
-	(*GetRankingListResponse)(nil),  // 4: ranking_service.GetRankingListResponse
-	(*GetRankingListRequest)(nil),   // 5: ranking_service.GetRankingListRequest
-	(*BaseResult)(nil),              // 6: ranking_service.BaseResult
-	(*AddUserGameScoreRequest)(nil), // 7: ranking_service.AddUserGameScoreRequest
-	(*RemoveRankingRequest)(nil),    // 8: ranking_service.RemoveRankingRequest
+	(*Request)(nil),                    // 0: ranking_service.Request
+	(*Response)(nil),                   // 1: ranking_service.Response
+	(*SetUserGameScoreRequest)(nil),    // 2: ranking_service.SetUserGameScoreRequest
+	(*RankingList)(nil),                // 3: ranking_service.RankingList
+	(*GetRankingListResponse)(nil),     // 4: ranking_service.GetRankingListResponse
+	(*GetRankingListRequest)(nil),      // 5: ranking_service.GetRankingListRequest
+	(*BaseResult)(nil),                 // 6: ranking_service.BaseResult
+	(*AddUserGameScoreRequest)(nil),    // 7: ranking_service.AddUserGameScoreRequest
+	(*RemoveRankingRequest)(nil),       // 8: ranking_service.RemoveRankingRequest
+	(*AtomicGetHigherUserRequest)(nil), // 9: ranking_service.AtomicGetHigherUserRequest
 }
 var file_ranking_service_proto_depIdxs = []int32{
 	3, // 0: ranking_service.GetRankingListResponse.rankingData:type_name -> ranking_service.RankingList
@ -656,13 +729,15 @@ var file_ranking_service_proto_depIdxs = []int32{
 	5, // 3: ranking_service.ranking_service.GetRankingList:input_type -> ranking_service.GetRankingListRequest
 	7, // 4: ranking_service.ranking_service.AddUserGameScore:input_type -> ranking_service.AddUserGameScoreRequest
 	8, // 5: ranking_service.ranking_service.RemoveRanking:input_type -> ranking_service.RemoveRankingRequest
-	1, // 6: ranking_service.ranking_service.Ping:output_type -> ranking_service.Response
-	6, // 7: ranking_service.ranking_service.SetUserGameScore:output_type -> ranking_service.BaseResult
-	4, // 8: ranking_service.ranking_service.GetRankingList:output_type -> ranking_service.GetRankingListResponse
-	6, // 9: ranking_service.ranking_service.AddUserGameScore:output_type -> ranking_service.BaseResult
-	6, // 10: ranking_service.ranking_service.RemoveRanking:output_type -> ranking_service.BaseResult
-	6, // [6:11] is the sub-list for method output_type
-	1, // [1:6] is the sub-list for method input_type
+	9, // 6: ranking_service.ranking_service.AtomicGetHigherUser:input_type -> ranking_service.AtomicGetHigherUserRequest
+	1, // 7: ranking_service.ranking_service.Ping:output_type -> ranking_service.Response
+	6, // 8: ranking_service.ranking_service.SetUserGameScore:output_type -> ranking_service.BaseResult
+	4, // 9: ranking_service.ranking_service.GetRankingList:output_type -> ranking_service.GetRankingListResponse
+	6, // 10: ranking_service.ranking_service.AddUserGameScore:output_type -> ranking_service.BaseResult
+	6, // 11: ranking_service.ranking_service.RemoveRanking:output_type -> ranking_service.BaseResult
+	3, // 12: ranking_service.ranking_service.AtomicGetHigherUser:output_type -> ranking_service.RankingList
+	7, // [7:13] is the sub-list for method output_type
+	1, // [1:7] is the sub-list for method input_type
 	1, // [1:1] is the sub-list for extension type_name
 	1, // [1:1] is the sub-list for extension extendee
 	0, // [0:1] is the sub-list for field type_name
@ -679,7 +754,7 @@ func file_ranking_service_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: unsafe.Slice(unsafe.StringData(file_ranking_service_proto_rawDesc), len(file_ranking_service_proto_rawDesc)),
 			NumEnums:      0,
-			NumMessages:   9,
+			NumMessages:   10,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
--- a/app/ranking_service/ranking/ranking_service_grpc.pb.go
+++ b/app/ranking_service/ranking/ranking_service_grpc.pb.go
@ -19,11 +19,12 @@ import (
 const _ = grpc.SupportPackageIsVersion9

 const (
-	RankingService_Ping_FullMethodName             = "/ranking_service.ranking_service/Ping"
-	RankingService_SetUserGameScore_FullMethodName = "/ranking_service.ranking_service/SetUserGameScore"
-	RankingService_GetRankingList_FullMethodName   = "/ranking_service.ranking_service/GetRankingList"
-	RankingService_AddUserGameScore_FullMethodName = "/ranking_service.ranking_service/AddUserGameScore"
-	RankingService_RemoveRanking_FullMethodName    = "/ranking_service.ranking_service/RemoveRanking"
+	RankingService_Ping_FullMethodName                = "/ranking_service.ranking_service/Ping"
+	RankingService_SetUserGameScore_FullMethodName    = "/ranking_service.ranking_service/SetUserGameScore"
+	RankingService_GetRankingList_FullMethodName      = "/ranking_service.ranking_service/GetRankingList"
+	RankingService_AddUserGameScore_FullMethodName    = "/ranking_service.ranking_service/AddUserGameScore"
+	RankingService_RemoveRanking_FullMethodName       = "/ranking_service.ranking_service/RemoveRanking"
+	RankingService_AtomicGetHigherUser_FullMethodName = "/ranking_service.ranking_service/AtomicGetHigherUser"
 )

 // RankingServiceClient is the client API for RankingService service.
@ -35,6 +36,7 @@ type RankingServiceClient interface {
 	GetRankingList(ctx context.Context, in *GetRankingListRequest, opts ...grpc.CallOption) (*GetRankingListResponse, error)
 	AddUserGameScore(ctx context.Context, in *AddUserGameScoreRequest, opts ...grpc.CallOption) (*BaseResult, error)
 	RemoveRanking(ctx context.Context, in *RemoveRankingRequest, opts ...grpc.CallOption) (*BaseResult, error)
+	AtomicGetHigherUser(ctx context.Context, in *AtomicGetHigherUserRequest, opts ...grpc.CallOption) (*RankingList, error)
 }

 type rankingServiceClient struct {
@ -95,6 +97,16 @@ func (c *rankingServiceClient) RemoveRanking(ctx context.Context, in *RemoveRank
 	return out, nil
 }

+func (c *rankingServiceClient) AtomicGetHigherUser(ctx context.Context, in *AtomicGetHigherUserRequest, opts ...grpc.CallOption) (*RankingList, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(RankingList)
+	err := c.cc.Invoke(ctx, RankingService_AtomicGetHigherUser_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // RankingServiceServer is the server API for RankingService service.
 // All implementations must embed UnimplementedRankingServiceServer
 // for forward compatibility.
@ -104,6 +116,7 @@ type RankingServiceServer interface {
 	GetRankingList(context.Context, *GetRankingListRequest) (*GetRankingListResponse, error)
 	AddUserGameScore(context.Context, *AddUserGameScoreRequest) (*BaseResult, error)
 	RemoveRanking(context.Context, *RemoveRankingRequest) (*BaseResult, error)
+	AtomicGetHigherUser(context.Context, *AtomicGetHigherUserRequest) (*RankingList, error)
 	mustEmbedUnimplementedRankingServiceServer()
 }

@ -129,6 +142,9 @@ func (UnimplementedRankingServiceServer) AddUserGameScore(context.Context, *AddU
 func (UnimplementedRankingServiceServer) RemoveRanking(context.Context, *RemoveRankingRequest) (*BaseResult, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method RemoveRanking not implemented")
 }
+func (UnimplementedRankingServiceServer) AtomicGetHigherUser(context.Context, *AtomicGetHigherUserRequest) (*RankingList, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method AtomicGetHigherUser not implemented")
+}
 func (UnimplementedRankingServiceServer) mustEmbedUnimplementedRankingServiceServer() {}
 func (UnimplementedRankingServiceServer) testEmbeddedByValue()                        {}

@ -240,6 +256,24 @@ func _RankingService_RemoveRanking_Handler(srv interface{}, ctx context.Context,
 	return interceptor(ctx, in, info, handler)
 }

+func _RankingService_AtomicGetHigherUser_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(AtomicGetHigherUserRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(RankingServiceServer).AtomicGetHigherUser(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: RankingService_AtomicGetHigherUser_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(RankingServiceServer).AtomicGetHigherUser(ctx, req.(*AtomicGetHigherUserRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // RankingService_ServiceDesc is the grpc.ServiceDesc for RankingService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@ -267,6 +301,10 @@ var RankingService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "RemoveRanking",
 			Handler:    _RankingService_RemoveRanking_Handler,
 		},
+		{
+			MethodName: "AtomicGetHigherUser",
+			Handler:    _RankingService_AtomicGetHigherUser_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "ranking_service.proto",
--- a/app/ranking_service/ranking_service.proto
+++ b/app/ranking_service/ranking_service.proto
@ -57,6 +57,13 @@ message RemoveRankingRequest{
  uint32 type = 2;
 }

+message AtomicGetHigherUserRequest{
+  uint32 appId = 1;
+  uint32 score = 2;
+  uint32 type = 3;
+}
+
+
 service ranking_service {
  rpc Ping(Request) returns(Response);

@ -67,4 +74,6 @@ service ranking_service {
  rpc AddUserGameScore(AddUserGameScoreRequest) returns(BaseResult);

  rpc RemoveRanking(RemoveRankingRequest) returns(BaseResult);
+
+  rpc AtomicGetHigherUser(AtomicGetHigherUserRequest) returns(RankingList);
 }
--- a/app/ranking_service/rankingservice/ranking_service.go
+++ b/app/ranking_service/rankingservice/ranking_service.go
@ -14,15 +14,16 @@ import (
 )

 type (
-	AddUserGameScoreRequest = ranking.AddUserGameScoreRequest
-	BaseResult              = ranking.BaseResult
-	GetRankingListRequest   = ranking.GetRankingListRequest
-	GetRankingListResponse  = ranking.GetRankingListResponse
-	RankingList             = ranking.RankingList
-	RemoveRankingRequest    = ranking.RemoveRankingRequest
-	Request                 = ranking.Request
-	Response                = ranking.Response
-	SetUserGameScoreRequest = ranking.SetUserGameScoreRequest
+	AddUserGameScoreRequest    = ranking.AddUserGameScoreRequest
+	AtomicGetHigherUserRequest = ranking.AtomicGetHigherUserRequest
+	BaseResult                 = ranking.BaseResult
+	GetRankingListRequest      = ranking.GetRankingListRequest
+	GetRankingListResponse     = ranking.GetRankingListResponse
+	RankingList                = ranking.RankingList
+	RemoveRankingRequest       = ranking.RemoveRankingRequest
+	Request                    = ranking.Request
+	Response                   = ranking.Response
+	SetUserGameScoreRequest    = ranking.SetUserGameScoreRequest

 	RankingService interface {
 		Ping(ctx context.Context, in *Request, opts ...grpc.CallOption) (*Response, error)
@ -30,6 +31,7 @@ type (
 		GetRankingList(ctx context.Context, in *GetRankingListRequest, opts ...grpc.CallOption) (*GetRankingListResponse, error)
 		AddUserGameScore(ctx context.Context, in *AddUserGameScoreRequest, opts ...grpc.CallOption) (*BaseResult, error)
 		RemoveRanking(ctx context.Context, in *RemoveRankingRequest, opts ...grpc.CallOption) (*BaseResult, error)
+		AtomicGetHigherUser(ctx context.Context, in *AtomicGetHigherUserRequest, opts ...grpc.CallOption) (*RankingList, error)
 	}

 	defaultRankingService struct {
@ -67,3 +69,8 @@ func (m *defaultRankingService) RemoveRanking(ctx context.Context, in *RemoveRan
 	client := ranking.NewRankingServiceClient(m.cli.Conn())
 	return client.RemoveRanking(ctx, in, opts...)
 }
+
+func (m *defaultRankingService) AtomicGetHigherUser(ctx context.Context, in *AtomicGetHigherUserRequest, opts ...grpc.CallOption) (*RankingList, error) {
+	client := ranking.NewRankingServiceClient(m.cli.Conn())
+	return client.AtomicGetHigherUser(ctx, in, opts...)
+}