feat: impl memo comment api

api/v2/memo_service.go

@@ -26,6 +26,31 @@ func NewMemoService(store *store.Store) *MemoService {
 	}
 }
 
+func (s *MemoService) CreateMemo(ctx context.Context, request *apiv2pb.CreateMemoRequest) (*apiv2pb.CreateMemoResponse, error) {
+	user, err := getCurrentUser(ctx, s.Store)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "failed to get user")
+	}
+	if user == nil {
+		return nil, status.Errorf(codes.PermissionDenied, "permission denied")
+	}
+
+	create := &store.Memo{
+		CreatorID:  user.ID,
+		Content:    request.Content,
+		Visibility: store.Visibility(request.Visibility),
+	}
+	memo, err := s.Store.CreateMemo(ctx, create)
+	if err != nil {
+		return nil, err
+	}
+
+	response := &apiv2pb.CreateMemoResponse{
+		Memo: convertMemoFromStore(memo),
+	}
+	return response, nil
+}
+
 func (s *MemoService) ListMemos(ctx context.Context, request *apiv2pb.ListMemosRequest) (*apiv2pb.ListMemosResponse, error) {
 	memoFind := &store.FindMemo{}
 	if request.Filter != "" {
@@ -99,6 +124,59 @@ func (s *MemoService) GetMemo(ctx context.Context, request *apiv2pb.GetMemoReque
 	return response, nil
 }
 
+func (s *MemoService) CreateMemoComment(ctx context.Context, request *apiv2pb.CreateMemoCommentRequest) (*apiv2pb.CreateMemoCommentResponse, error) {
+	// Create the comment memo first.
+	createMemoResponse, err := s.CreateMemo(ctx, request.Create)
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "failed to create memo")
+	}
+
+	// Build the relation between the comment memo and the original memo.
+	memo := createMemoResponse.Memo
+	_, err = s.Store.UpsertMemoRelation(ctx, &store.MemoRelation{
+		MemoID:        memo.Id,
+		RelatedMemoID: request.Id,
+		Type:          store.MemoRelationComment,
+	})
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "failed to create memo relation")
+	}
+
+	response := &apiv2pb.CreateMemoCommentResponse{
+		Memo: memo,
+	}
+	return response, nil
+}
+
+func (s *MemoService) ListMemoComments(ctx context.Context, request *apiv2pb.ListMemoCommentsRequest) (*apiv2pb.ListMemoCommentsResponse, error) {
+	memoRelationComment := store.MemoRelationComment
+	memoRelations, err := s.Store.ListMemoRelations(ctx, &store.FindMemoRelation{
+		RelatedMemoID: &request.Id,
+		Type:          &memoRelationComment,
+	})
+	if err != nil {
+		return nil, status.Errorf(codes.Internal, "failed to list memo relations")
+	}
+
+	var memos []*apiv2pb.Memo
+	for _, memoRelation := range memoRelations {
+		memo, err := s.Store.GetMemo(ctx, &store.FindMemo{
+			ID: &memoRelation.MemoID,
+		})
+		if err != nil {
+			return nil, status.Errorf(codes.Internal, "failed to get memo")
+		}
+		if memo != nil {
+			memos = append(memos, convertMemoFromStore(memo))
+		}
+	}
+
+	response := &apiv2pb.ListMemoCommentsResponse{
+		Memos: memos,
+	}
+	return response, nil
+}
+
 // ListMemosFilterCELAttributes are the CEL attributes for ListMemosFilter.
 var ListMemosFilterCELAttributes = []cel.EnvOption{
 	cel.Variable("visibility", cel.StringType),

proto/api/v2/memo_service.proto

@@ -9,6 +9,10 @@ import "google/api/client.proto";
 option go_package = "gen/api/v2";
 
 service MemoService {
+  rpc CreateMemo(CreateMemoRequest) returns (CreateMemoResponse) {
+    option (google.api.http) = {post: "/api/v2/memos"};
+  }
+
   rpc ListMemos(ListMemosRequest) returns (ListMemosResponse) {
     option (google.api.http) = {get: "/api/v2/memos"};
   }
@@ -17,6 +21,26 @@ service MemoService {
     option (google.api.http) = {get: "/api/v2/memos/{id}"};
     option (google.api.method_signature) = "id";
   }
+
+  rpc CreateMemoComment(CreateMemoCommentRequest) returns (CreateMemoCommentResponse) {
+    option (google.api.http) = {post: "/api/v2/memos/{id}/comments"};
+    option (google.api.method_signature) = "id";
+  }
+
+  rpc ListMemoComments(ListMemoCommentsRequest) returns (ListMemoCommentsResponse) {
+    option (google.api.http) = {get: "/api/v2/memos/{id}/comments"};
+    option (google.api.method_signature) = "id";
+  }
+}
+
+enum Visibility {
+  VISIBILITY_UNSPECIFIED = 0;
+
+  PRIVATE = 1;
+
+  PROTECTED = 2;
+
+  PUBLIC = 3;
 }
 
 message Memo {
@@ -37,6 +61,16 @@ message Memo {
   bool pinned = 8;
 }
 
+message CreateMemoRequest {
+  string content = 1;
+
+  Visibility visibility = 2;
+}
+
+message CreateMemoResponse {
+  Memo memo = 1;
+}
+
 message ListMemosRequest {
   int32 page = 1;
 
@@ -58,12 +92,21 @@ message GetMemoResponse {
   Memo memo = 1;
 }
 
-enum Visibility {
-  VISIBILITY_UNSPECIFIED = 0;
+message CreateMemoCommentRequest {
+  // id is the memo id to create comment for.
+  int32 id = 1;
 
-  PRIVATE = 1;
+  CreateMemoRequest create = 2;
+}
 
-  PROTECTED = 2;
+message CreateMemoCommentResponse {
+  Memo memo = 1;
+}
 
-  PUBLIC = 3;
+message ListMemoCommentsRequest {
+  int32 id = 1;
+}
+
+message ListMemoCommentsResponse {
+  repeated Memo memos = 1;
 }

proto/gen/api/v2/README.md

@@ -7,8 +7,14 @@
     - [RowStatus](#memos-api-v2-RowStatus)
   
 - [api/v2/memo_service.proto](#api_v2_memo_service-proto)
+    - [CreateMemoCommentRequest](#memos-api-v2-CreateMemoCommentRequest)
+    - [CreateMemoCommentResponse](#memos-api-v2-CreateMemoCommentResponse)
+    - [CreateMemoRequest](#memos-api-v2-CreateMemoRequest)
+    - [CreateMemoResponse](#memos-api-v2-CreateMemoResponse)
     - [GetMemoRequest](#memos-api-v2-GetMemoRequest)
     - [GetMemoResponse](#memos-api-v2-GetMemoResponse)
+    - [ListMemoCommentsRequest](#memos-api-v2-ListMemoCommentsRequest)
+    - [ListMemoCommentsResponse](#memos-api-v2-ListMemoCommentsResponse)
     - [ListMemosRequest](#memos-api-v2-ListMemosRequest)
     - [ListMemosResponse](#memos-api-v2-ListMemosResponse)
     - [Memo](#memos-api-v2-Memo)
@@ -100,6 +106,68 @@
 
 
 
+<a name="memos-api-v2-CreateMemoCommentRequest"></a>
+
+### CreateMemoCommentRequest
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| id | [int32](#int32) |  | id is the memo id to create comment for. |
+| create | [CreateMemoRequest](#memos-api-v2-CreateMemoRequest) |  |  |
+
+
+
+
+
+
+<a name="memos-api-v2-CreateMemoCommentResponse"></a>
+
+### CreateMemoCommentResponse
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| memo | [Memo](#memos-api-v2-Memo) |  |  |
+
+
+
+
+
+
+<a name="memos-api-v2-CreateMemoRequest"></a>
+
+### CreateMemoRequest
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| content | [string](#string) |  |  |
+| visibility | [Visibility](#memos-api-v2-Visibility) |  |  |
+
+
+
+
+
+
+<a name="memos-api-v2-CreateMemoResponse"></a>
+
+### CreateMemoResponse
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| memo | [Memo](#memos-api-v2-Memo) |  |  |
+
+
+
+
+
+
 <a name="memos-api-v2-GetMemoRequest"></a>
 
 ### GetMemoRequest
@@ -130,6 +198,36 @@
 
 
 
+<a name="memos-api-v2-ListMemoCommentsRequest"></a>
+
+### ListMemoCommentsRequest
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| id | [int32](#int32) |  |  |
+
+
+
+
+
+
+<a name="memos-api-v2-ListMemoCommentsResponse"></a>
+
+### ListMemoCommentsResponse
+
+
+
+| Field | Type | Label | Description |
+| ----- | ---- | ----- | ----------- |
+| memos | [Memo](#memos-api-v2-Memo) | repeated |  |
+
+
+
+
+
+
 <a name="memos-api-v2-ListMemosRequest"></a>
 
 ### ListMemosRequest
@@ -211,8 +309,11 @@
 
 | Method Name | Request Type | Response Type | Description |
 | ----------- | ------------ | ------------- | ------------|
+| CreateMemo | [CreateMemoRequest](#memos-api-v2-CreateMemoRequest) | [CreateMemoResponse](#memos-api-v2-CreateMemoResponse) |  |
 | ListMemos | [ListMemosRequest](#memos-api-v2-ListMemosRequest) | [ListMemosResponse](#memos-api-v2-ListMemosResponse) |  |
 | GetMemo | [GetMemoRequest](#memos-api-v2-GetMemoRequest) | [GetMemoResponse](#memos-api-v2-GetMemoResponse) |  |
+| CreateMemoComment | [CreateMemoCommentRequest](#memos-api-v2-CreateMemoCommentRequest) | [CreateMemoCommentResponse](#memos-api-v2-CreateMemoCommentResponse) |  |
+| ListMemoComments | [ListMemoCommentsRequest](#memos-api-v2-ListMemoCommentsRequest) | [ListMemoCommentsResponse](#memos-api-v2-ListMemoCommentsResponse) |  |
 
  
 

proto/gen/api/v2/memo_service.pb.go

@@ -176,6 +176,108 @@ func (x *Memo) GetPinned() bool {
 	return false
 }
 
+type CreateMemoRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Content    string     `protobuf:"bytes,1,opt,name=content,proto3" json:"content,omitempty"`
+	Visibility Visibility `protobuf:"varint,2,opt,name=visibility,proto3,enum=memos.api.v2.Visibility" json:"visibility,omitempty"`
+}
+
+func (x *CreateMemoRequest) Reset() {
+	*x = CreateMemoRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_memo_service_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateMemoRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateMemoRequest) ProtoMessage() {}
+
+func (x *CreateMemoRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_memo_service_proto_msgTypes[1]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateMemoRequest.ProtoReflect.Descriptor instead.
+func (*CreateMemoRequest) Descriptor() ([]byte, []int) {
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *CreateMemoRequest) GetContent() string {
+	if x != nil {
+		return x.Content
+	}
+	return ""
+}
+
+func (x *CreateMemoRequest) GetVisibility() Visibility {
+	if x != nil {
+		return x.Visibility
+	}
+	return Visibility_VISIBILITY_UNSPECIFIED
+}
+
+type CreateMemoResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Memo *Memo `protobuf:"bytes,1,opt,name=memo,proto3" json:"memo,omitempty"`
+}
+
+func (x *CreateMemoResponse) Reset() {
+	*x = CreateMemoResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_memo_service_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateMemoResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateMemoResponse) ProtoMessage() {}
+
+func (x *CreateMemoResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_memo_service_proto_msgTypes[2]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateMemoResponse.ProtoReflect.Descriptor instead.
+func (*CreateMemoResponse) Descriptor() ([]byte, []int) {
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{2}
+}
+
+func (x *CreateMemoResponse) GetMemo() *Memo {
+	if x != nil {
+		return x.Memo
+	}
+	return nil
+}
+
 type ListMemosRequest struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
@@ -190,7 +292,7 @@ type ListMemosRequest struct {
 func (x *ListMemosRequest) Reset() {
 	*x = ListMemosRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_v2_memo_service_proto_msgTypes[1]
+		mi := &file_api_v2_memo_service_proto_msgTypes[3]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -203,7 +305,7 @@ func (x *ListMemosRequest) String() string {
 func (*ListMemosRequest) ProtoMessage() {}
 
 func (x *ListMemosRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_api_v2_memo_service_proto_msgTypes[1]
+	mi := &file_api_v2_memo_service_proto_msgTypes[3]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -216,7 +318,7 @@ func (x *ListMemosRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListMemosRequest.ProtoReflect.Descriptor instead.
 func (*ListMemosRequest) Descriptor() ([]byte, []int) {
-	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{1}
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{3}
 }
 
 func (x *ListMemosRequest) GetPage() int32 {
@@ -251,7 +353,7 @@ type ListMemosResponse struct {
 func (x *ListMemosResponse) Reset() {
 	*x = ListMemosResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_v2_memo_service_proto_msgTypes[2]
+		mi := &file_api_v2_memo_service_proto_msgTypes[4]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -264,7 +366,7 @@ func (x *ListMemosResponse) String() string {
 func (*ListMemosResponse) ProtoMessage() {}
 
 func (x *ListMemosResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_api_v2_memo_service_proto_msgTypes[2]
+	mi := &file_api_v2_memo_service_proto_msgTypes[4]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -277,7 +379,7 @@ func (x *ListMemosResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ListMemosResponse.ProtoReflect.Descriptor instead.
 func (*ListMemosResponse) Descriptor() ([]byte, []int) {
-	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{2}
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{4}
 }
 
 func (x *ListMemosResponse) GetMemos() []*Memo {
@@ -298,7 +400,7 @@ type GetMemoRequest struct {
 func (x *GetMemoRequest) Reset() {
 	*x = GetMemoRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_v2_memo_service_proto_msgTypes[3]
+		mi := &file_api_v2_memo_service_proto_msgTypes[5]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -311,7 +413,7 @@ func (x *GetMemoRequest) String() string {
 func (*GetMemoRequest) ProtoMessage() {}
 
 func (x *GetMemoRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_api_v2_memo_service_proto_msgTypes[3]
+	mi := &file_api_v2_memo_service_proto_msgTypes[5]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -324,7 +426,7 @@ func (x *GetMemoRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMemoRequest.ProtoReflect.Descriptor instead.
 func (*GetMemoRequest) Descriptor() ([]byte, []int) {
-	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{3}
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{5}
 }
 
 func (x *GetMemoRequest) GetId() int32 {
@@ -345,7 +447,7 @@ type GetMemoResponse struct {
 func (x *GetMemoResponse) Reset() {
 	*x = GetMemoResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_api_v2_memo_service_proto_msgTypes[4]
+		mi := &file_api_v2_memo_service_proto_msgTypes[6]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -358,7 +460,7 @@ func (x *GetMemoResponse) String() string {
 func (*GetMemoResponse) ProtoMessage() {}
 
 func (x *GetMemoResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_api_v2_memo_service_proto_msgTypes[4]
+	mi := &file_api_v2_memo_service_proto_msgTypes[6]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -371,7 +473,7 @@ func (x *GetMemoResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use GetMemoResponse.ProtoReflect.Descriptor instead.
 func (*GetMemoResponse) Descriptor() ([]byte, []int) {
-	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{4}
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{6}
 }
 
 func (x *GetMemoResponse) GetMemo() *Memo {
@@ -381,6 +483,203 @@ func (x *GetMemoResponse) GetMemo() *Memo {
 	return nil
 }
 
+type CreateMemoCommentRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// id is the memo id to create comment for.
+	Id     int32              `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+	Create *CreateMemoRequest `protobuf:"bytes,2,opt,name=create,proto3" json:"create,omitempty"`
+}
+
+func (x *CreateMemoCommentRequest) Reset() {
+	*x = CreateMemoCommentRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_memo_service_proto_msgTypes[7]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateMemoCommentRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateMemoCommentRequest) ProtoMessage() {}
+
+func (x *CreateMemoCommentRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_memo_service_proto_msgTypes[7]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateMemoCommentRequest.ProtoReflect.Descriptor instead.
+func (*CreateMemoCommentRequest) Descriptor() ([]byte, []int) {
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{7}
+}
+
+func (x *CreateMemoCommentRequest) GetId() int32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+func (x *CreateMemoCommentRequest) GetCreate() *CreateMemoRequest {
+	if x != nil {
+		return x.Create
+	}
+	return nil
+}
+
+type CreateMemoCommentResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Memo *Memo `protobuf:"bytes,1,opt,name=memo,proto3" json:"memo,omitempty"`
+}
+
+func (x *CreateMemoCommentResponse) Reset() {
+	*x = CreateMemoCommentResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_memo_service_proto_msgTypes[8]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *CreateMemoCommentResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*CreateMemoCommentResponse) ProtoMessage() {}
+
+func (x *CreateMemoCommentResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_memo_service_proto_msgTypes[8]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use CreateMemoCommentResponse.ProtoReflect.Descriptor instead.
+func (*CreateMemoCommentResponse) Descriptor() ([]byte, []int) {
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{8}
+}
+
+func (x *CreateMemoCommentResponse) GetMemo() *Memo {
+	if x != nil {
+		return x.Memo
+	}
+	return nil
+}
+
+type ListMemoCommentsRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Id int32 `protobuf:"varint,1,opt,name=id,proto3" json:"id,omitempty"`
+}
+
+func (x *ListMemoCommentsRequest) Reset() {
+	*x = ListMemoCommentsRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_memo_service_proto_msgTypes[9]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListMemoCommentsRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListMemoCommentsRequest) ProtoMessage() {}
+
+func (x *ListMemoCommentsRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_memo_service_proto_msgTypes[9]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListMemoCommentsRequest.ProtoReflect.Descriptor instead.
+func (*ListMemoCommentsRequest) Descriptor() ([]byte, []int) {
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{9}
+}
+
+func (x *ListMemoCommentsRequest) GetId() int32 {
+	if x != nil {
+		return x.Id
+	}
+	return 0
+}
+
+type ListMemoCommentsResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Memos []*Memo `protobuf:"bytes,1,rep,name=memos,proto3" json:"memos,omitempty"`
+}
+
+func (x *ListMemoCommentsResponse) Reset() {
+	*x = ListMemoCommentsResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_api_v2_memo_service_proto_msgTypes[10]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListMemoCommentsResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListMemoCommentsResponse) ProtoMessage() {}
+
+func (x *ListMemoCommentsResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_api_v2_memo_service_proto_msgTypes[10]
+	if protoimpl.UnsafeEnabled && x != nil {
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		if ms.LoadMessageInfo() == nil {
+			ms.StoreMessageInfo(mi)
+		}
+		return ms
+	}
+	return mi.MessageOf(x)
+}
+
+// Deprecated: Use ListMemoCommentsResponse.ProtoReflect.Descriptor instead.
+func (*ListMemoCommentsResponse) Descriptor() ([]byte, []int) {
+	return file_api_v2_memo_service_proto_rawDescGZIP(), []int{10}
+}
+
+func (x *ListMemoCommentsResponse) GetMemos() []*Memo {
+	if x != nil {
+		return x.Memos
+	}
+	return nil
+}
+
 var File_api_v2_memo_service_proto protoreflect.FileDescriptor
 
 var file_api_v2_memo_service_proto_rawDesc = []byte{
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+	0xe4, 0x93, 0x02, 0x1d, 0x12, 0x1b, 0x2f, 0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x2f, 0x6d, 0x65,
+	0x6d, 0x6f, 0x73, 0x2f, 0x7b, 0x69, 0x64, 0x7d, 0x2f, 0x63, 0x6f, 0x6d, 0x6d, 0x65, 0x6e, 0x74,
+	0x73, 0x42, 0xa8, 0x01, 0x0a, 0x10, 0x63, 0x6f, 0x6d, 0x2e, 0x6d, 0x65, 0x6d, 0x6f, 0x73, 0x2e,
+	0x61, 0x70, 0x69, 0x2e, 0x76, 0x32, 0x42, 0x10, 0x4d, 0x65, 0x6d, 0x6f, 0x53, 0x65, 0x72, 0x76,
+	0x69, 0x63, 0x65, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x30, 0x67, 0x69, 0x74, 0x68,
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+	0x6d, 0x65, 0x6d, 0x6f, 0x73, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x67, 0x65, 0x6e, 0x2f,
+	0x61, 0x70, 0x69, 0x2f, 0x76, 0x32, 0x3b, 0x61, 0x70, 0x69, 0x76, 0x32, 0xa2, 0x02, 0x03, 0x4d,
+	0x41, 0x58, 0xaa, 0x02, 0x0c, 0x4d, 0x65, 0x6d, 0x6f, 0x73, 0x2e, 0x41, 0x70, 0x69, 0x2e, 0x56,
+	0x32, 0xca, 0x02, 0x0c, 0x4d, 0x65, 0x6d, 0x6f, 0x73, 0x5c, 0x41, 0x70, 0x69, 0x5c, 0x56, 0x32,
+	0xe2, 0x02, 0x18, 0x4d, 0x65, 0x6d, 0x6f, 0x73, 0x5c, 0x41, 0x70, 0x69, 0x5c, 0x56, 0x32, 0x5c,
+	0x47, 0x50, 0x42, 0x4d, 0x65, 0x74, 0x61, 0x64, 0x61, 0x74, 0x61, 0xea, 0x02, 0x0e, 0x4d, 0x65,
+	0x6d, 0x6f, 0x73, 0x3a, 0x3a, 0x41, 0x70, 0x69, 0x3a, 0x3a, 0x56, 0x32, 0x62, 0x06, 0x70, 0x72,
+	0x6f, 0x74, 0x6f, 0x33,
 }
 
 var (
@@ -470,30 +822,47 @@ func file_api_v2_memo_service_proto_rawDescGZIP() []byte {
 }
 
 var file_api_v2_memo_service_proto_enumTypes = make([]protoimpl.EnumInfo, 1)
-var file_api_v2_memo_service_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_api_v2_memo_service_proto_msgTypes = make([]protoimpl.MessageInfo, 11)
 var file_api_v2_memo_service_proto_goTypes = []interface{}{
-	(Visibility)(0),           // 0: memos.api.v2.Visibility
-	(*Memo)(nil),              // 1: memos.api.v2.Memo
-	(*ListMemosRequest)(nil),  // 2: memos.api.v2.ListMemosRequest
-	(*ListMemosResponse)(nil), // 3: memos.api.v2.ListMemosResponse
-	(*GetMemoRequest)(nil),    // 4: memos.api.v2.GetMemoRequest
-	(*GetMemoResponse)(nil),   // 5: memos.api.v2.GetMemoResponse
-	(RowStatus)(0),            // 6: memos.api.v2.RowStatus
+	(Visibility)(0),                   // 0: memos.api.v2.Visibility
+	(*Memo)(nil),                      // 1: memos.api.v2.Memo
+	(*CreateMemoRequest)(nil),         // 2: memos.api.v2.CreateMemoRequest
+	(*CreateMemoResponse)(nil),        // 3: memos.api.v2.CreateMemoResponse
+	(*ListMemosRequest)(nil),          // 4: memos.api.v2.ListMemosRequest
+	(*ListMemosResponse)(nil),         // 5: memos.api.v2.ListMemosResponse
+	(*GetMemoRequest)(nil),            // 6: memos.api.v2.GetMemoRequest
+	(*GetMemoResponse)(nil),           // 7: memos.api.v2.GetMemoResponse
+	(*CreateMemoCommentRequest)(nil),  // 8: memos.api.v2.CreateMemoCommentRequest
+	(*CreateMemoCommentResponse)(nil), // 9: memos.api.v2.CreateMemoCommentResponse
+	(*ListMemoCommentsRequest)(nil),   // 10: memos.api.v2.ListMemoCommentsRequest
+	(*ListMemoCommentsResponse)(nil),  // 11: memos.api.v2.ListMemoCommentsResponse
+	(RowStatus)(0),                    // 12: memos.api.v2.RowStatus
 }
 var file_api_v2_memo_service_proto_depIdxs = []int32{
-	6, // 0: memos.api.v2.Memo.row_status:type_name -> memos.api.v2.RowStatus
-	0, // 1: memos.api.v2.Memo.visibility:type_name -> memos.api.v2.Visibility
-	1, // 2: memos.api.v2.ListMemosResponse.memos:type_name -> memos.api.v2.Memo
-	1, // 3: memos.api.v2.GetMemoResponse.memo:type_name -> memos.api.v2.Memo
-	2, // 4: memos.api.v2.MemoService.ListMemos:input_type -> memos.api.v2.ListMemosRequest
-	4, // 5: memos.api.v2.MemoService.GetMemo:input_type -> memos.api.v2.GetMemoRequest
-	3, // 6: memos.api.v2.MemoService.ListMemos:output_type -> memos.api.v2.ListMemosResponse
-	5, // 7: memos.api.v2.MemoService.GetMemo:output_type -> memos.api.v2.GetMemoResponse
-	6, // [6:8] is the sub-list for method output_type
-	4, // [4:6] is the sub-list for method input_type
-	4, // [4:4] is the sub-list for extension type_name
-	4, // [4:4] is the sub-list for extension extendee
-	0, // [0:4] is the sub-list for field type_name
+	12, // 0: memos.api.v2.Memo.row_status:type_name -> memos.api.v2.RowStatus
+	0,  // 1: memos.api.v2.Memo.visibility:type_name -> memos.api.v2.Visibility
+	0,  // 2: memos.api.v2.CreateMemoRequest.visibility:type_name -> memos.api.v2.Visibility
+	1,  // 3: memos.api.v2.CreateMemoResponse.memo:type_name -> memos.api.v2.Memo
+	1,  // 4: memos.api.v2.ListMemosResponse.memos:type_name -> memos.api.v2.Memo
+	1,  // 5: memos.api.v2.GetMemoResponse.memo:type_name -> memos.api.v2.Memo
+	2,  // 6: memos.api.v2.CreateMemoCommentRequest.create:type_name -> memos.api.v2.CreateMemoRequest
+	1,  // 7: memos.api.v2.CreateMemoCommentResponse.memo:type_name -> memos.api.v2.Memo
+	1,  // 8: memos.api.v2.ListMemoCommentsResponse.memos:type_name -> memos.api.v2.Memo
+	2,  // 9: memos.api.v2.MemoService.CreateMemo:input_type -> memos.api.v2.CreateMemoRequest
+	4,  // 10: memos.api.v2.MemoService.ListMemos:input_type -> memos.api.v2.ListMemosRequest
+	6,  // 11: memos.api.v2.MemoService.GetMemo:input_type -> memos.api.v2.GetMemoRequest
+	8,  // 12: memos.api.v2.MemoService.CreateMemoComment:input_type -> memos.api.v2.CreateMemoCommentRequest
+	10, // 13: memos.api.v2.MemoService.ListMemoComments:input_type -> memos.api.v2.ListMemoCommentsRequest
+	3,  // 14: memos.api.v2.MemoService.CreateMemo:output_type -> memos.api.v2.CreateMemoResponse
+	5,  // 15: memos.api.v2.MemoService.ListMemos:output_type -> memos.api.v2.ListMemosResponse
+	7,  // 16: memos.api.v2.MemoService.GetMemo:output_type -> memos.api.v2.GetMemoResponse
+	9,  // 17: memos.api.v2.MemoService.CreateMemoComment:output_type -> memos.api.v2.CreateMemoCommentResponse
+	11, // 18: memos.api.v2.MemoService.ListMemoComments:output_type -> memos.api.v2.ListMemoCommentsResponse
+	14, // [14:19] is the sub-list for method output_type
+	9,  // [9:14] is the sub-list for method input_type
+	9,  // [9:9] is the sub-list for extension type_name
+	9,  // [9:9] is the sub-list for extension extendee
+	0,  // [0:9] is the sub-list for field type_name
 }
 
 func init() { file_api_v2_memo_service_proto_init() }
@@ -516,7 +885,7 @@ func file_api_v2_memo_service_proto_init() {
 			}
 		}
 		file_api_v2_memo_service_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListMemosRequest); i {
+			switch v := v.(*CreateMemoRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -528,7 +897,7 @@ func file_api_v2_memo_service_proto_init() {
 			}
 		}
 		file_api_v2_memo_service_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*ListMemosResponse); i {
+			switch v := v.(*CreateMemoResponse); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -540,7 +909,7 @@ func file_api_v2_memo_service_proto_init() {
 			}
 		}
 		file_api_v2_memo_service_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*GetMemoRequest); i {
+			switch v := v.(*ListMemosRequest); i {
 			case 0:
 				return &v.state
 			case 1:
@@ -552,6 +921,30 @@ func file_api_v2_memo_service_proto_init() {
 			}
 		}
 		file_api_v2_memo_service_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListMemosResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_v2_memo_service_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*GetMemoRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_v2_memo_service_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*GetMemoResponse); i {
 			case 0:
 				return &v.state
@@ -563,6 +956,54 @@ func file_api_v2_memo_service_proto_init() {
 				return nil
 			}
 		}
+		file_api_v2_memo_service_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CreateMemoCommentRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_v2_memo_service_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*CreateMemoCommentResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_v2_memo_service_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListMemoCommentsRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_api_v2_memo_service_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListMemoCommentsResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
 	}
 	type x struct{}
 	out := protoimpl.TypeBuilder{
@@ -570,7 +1011,7 @@ func file_api_v2_memo_service_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_api_v2_memo_service_proto_rawDesc,
 			NumEnums:      1,
-			NumMessages:   5,
+			NumMessages:   11,
 			NumExtensions: 0,
 			NumServices:   1,
 		},

proto/gen/api/v2/memo_service.pb.gw.go

@@ -31,6 +31,42 @@ var _ = runtime.String
 var _ = utilities.NewDoubleArray
 var _ = metadata.Join
 
+var (
+	filter_MemoService_CreateMemo_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
+)
+
+func request_MemoService_CreateMemo_0(ctx context.Context, marshaler runtime.Marshaler, client MemoServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq CreateMemoRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_MemoService_CreateMemo_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.CreateMemo(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_MemoService_CreateMemo_0(ctx context.Context, marshaler runtime.Marshaler, server MemoServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq CreateMemoRequest
+	var metadata runtime.ServerMetadata
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_MemoService_CreateMemo_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.CreateMemo(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 var (
 	filter_MemoService_ListMemos_0 = &utilities.DoubleArray{Encoding: map[string]int{}, Base: []int(nil), Check: []int(nil)}
 )
@@ -119,12 +155,159 @@ func local_request_MemoService_GetMemo_0(ctx context.Context, marshaler runtime.
 
 }
 
+var (
+	filter_MemoService_CreateMemoComment_0 = &utilities.DoubleArray{Encoding: map[string]int{"id": 0}, Base: []int{1, 2, 0, 0}, Check: []int{0, 1, 2, 2}}
+)
+
+func request_MemoService_CreateMemoComment_0(ctx context.Context, marshaler runtime.Marshaler, client MemoServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq CreateMemoCommentRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.Int32(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_MemoService_CreateMemoComment_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.CreateMemoComment(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_MemoService_CreateMemoComment_0(ctx context.Context, marshaler runtime.Marshaler, server MemoServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq CreateMemoCommentRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.Int32(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	if err := req.ParseForm(); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+	if err := runtime.PopulateQueryParameters(&protoReq, req.Form, filter_MemoService_CreateMemoComment_0); err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.CreateMemoComment(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_MemoService_ListMemoComments_0(ctx context.Context, marshaler runtime.Marshaler, client MemoServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq ListMemoCommentsRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.Int32(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := client.ListMemoComments(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_MemoService_ListMemoComments_0(ctx context.Context, marshaler runtime.Marshaler, server MemoServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq ListMemoCommentsRequest
+	var metadata runtime.ServerMetadata
+
+	var (
+		val string
+		ok  bool
+		err error
+		_   = err
+	)
+
+	val, ok = pathParams["id"]
+	if !ok {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "missing parameter %s", "id")
+	}
+
+	protoReq.Id, err = runtime.Int32(val)
+	if err != nil {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "type mismatch, parameter: %s, error: %v", "id", err)
+	}
+
+	msg, err := server.ListMemoComments(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
 // RegisterMemoServiceHandlerServer registers the http handlers for service MemoService to "mux".
 // UnaryRPC     :call MemoServiceServer directly.
 // StreamingRPC :currently unsupported pending https://github.com/grpc/grpc-go/issues/906.
 // Note that using this registration option will cause many gRPC library features to stop working. Consider using RegisterMemoServiceHandlerFromEndpoint instead.
 func RegisterMemoServiceHandlerServer(ctx context.Context, mux *runtime.ServeMux, server MemoServiceServer) error {
 
+	mux.Handle("POST", pattern_MemoService_CreateMemo_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/memos.api.v2.MemoService/CreateMemo", runtime.WithHTTPPathPattern("/api/v2/memos"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_MemoService_CreateMemo_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MemoService_CreateMemo_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("GET", pattern_MemoService_ListMemos_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -175,6 +358,56 @@ func RegisterMemoServiceHandlerServer(ctx context.Context, mux *runtime.ServeMux
 
 	})
 
+	mux.Handle("POST", pattern_MemoService_CreateMemoComment_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/memos.api.v2.MemoService/CreateMemoComment", runtime.WithHTTPPathPattern("/api/v2/memos/{id}/comments"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_MemoService_CreateMemoComment_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MemoService_CreateMemoComment_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_MemoService_ListMemoComments_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		var stream runtime.ServerTransportStream
+		ctx = grpc.NewContextWithServerTransportStream(ctx, &stream)
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/memos.api.v2.MemoService/ListMemoComments", runtime.WithHTTPPathPattern("/api/v2/memos/{id}/comments"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_MemoService_ListMemoComments_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		md.HeaderMD, md.TrailerMD = metadata.Join(md.HeaderMD, stream.Header()), metadata.Join(md.TrailerMD, stream.Trailer())
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MemoService_ListMemoComments_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
@@ -216,6 +449,28 @@ func RegisterMemoServiceHandler(ctx context.Context, mux *runtime.ServeMux, conn
 // "MemoServiceClient" to call the correct interceptors.
 func RegisterMemoServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux, client MemoServiceClient) error {
 
+	mux.Handle("POST", pattern_MemoService_CreateMemo_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/memos.api.v2.MemoService/CreateMemo", runtime.WithHTTPPathPattern("/api/v2/memos"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_MemoService_CreateMemo_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MemoService_CreateMemo_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	mux.Handle("GET", pattern_MemoService_ListMemos_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
@@ -260,17 +515,73 @@ func RegisterMemoServiceHandlerClient(ctx context.Context, mux *runtime.ServeMux
 
 	})
 
+	mux.Handle("POST", pattern_MemoService_CreateMemoComment_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/memos.api.v2.MemoService/CreateMemoComment", runtime.WithHTTPPathPattern("/api/v2/memos/{id}/comments"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_MemoService_CreateMemoComment_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MemoService_CreateMemoComment_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("GET", pattern_MemoService_ListMemoComments_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+		ctx, cancel := context.WithCancel(req.Context())
+		defer cancel()
+		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
+		var err error
+		var annotatedContext context.Context
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/memos.api.v2.MemoService/ListMemoComments", runtime.WithHTTPPathPattern("/api/v2/memos/{id}/comments"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_MemoService_ListMemoComments_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MemoService_ListMemoComments_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
 	return nil
 }
 
 var (
+	pattern_MemoService_CreateMemo_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v2", "memos"}, ""))
+
 	pattern_MemoService_ListMemos_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v2", "memos"}, ""))
 
 	pattern_MemoService_GetMemo_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3}, []string{"api", "v2", "memos", "id"}, ""))
+
+	pattern_MemoService_CreateMemoComment_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3, 2, 4}, []string{"api", "v2", "memos", "id", "comments"}, ""))
+
+	pattern_MemoService_ListMemoComments_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 1, 0, 4, 1, 5, 3, 2, 4}, []string{"api", "v2", "memos", "id", "comments"}, ""))
 )
 
 var (
+	forward_MemoService_CreateMemo_0 = runtime.ForwardResponseMessage
+
 	forward_MemoService_ListMemos_0 = runtime.ForwardResponseMessage
 
 	forward_MemoService_GetMemo_0 = runtime.ForwardResponseMessage
+
+	forward_MemoService_CreateMemoComment_0 = runtime.ForwardResponseMessage
+
+	forward_MemoService_ListMemoComments_0 = runtime.ForwardResponseMessage
 )

proto/gen/api/v2/memo_service_grpc.pb.go

@@ -19,16 +19,22 @@ import (
 const _ = grpc.SupportPackageIsVersion7
 
 const (
-	MemoService_ListMemos_FullMethodName = "/memos.api.v2.MemoService/ListMemos"
-	MemoService_GetMemo_FullMethodName   = "/memos.api.v2.MemoService/GetMemo"
+	MemoService_CreateMemo_FullMethodName        = "/memos.api.v2.MemoService/CreateMemo"
+	MemoService_ListMemos_FullMethodName         = "/memos.api.v2.MemoService/ListMemos"
+	MemoService_GetMemo_FullMethodName           = "/memos.api.v2.MemoService/GetMemo"
+	MemoService_CreateMemoComment_FullMethodName = "/memos.api.v2.MemoService/CreateMemoComment"
+	MemoService_ListMemoComments_FullMethodName  = "/memos.api.v2.MemoService/ListMemoComments"
 )
 
 // MemoServiceClient is the client API for MemoService service.
 //
 // For semantics around ctx use and closing/ending streaming RPCs, please refer to https://pkg.go.dev/google.golang.org/grpc/?tab=doc#ClientConn.NewStream.
 type MemoServiceClient interface {
+	CreateMemo(ctx context.Context, in *CreateMemoRequest, opts ...grpc.CallOption) (*CreateMemoResponse, error)
 	ListMemos(ctx context.Context, in *ListMemosRequest, opts ...grpc.CallOption) (*ListMemosResponse, error)
 	GetMemo(ctx context.Context, in *GetMemoRequest, opts ...grpc.CallOption) (*GetMemoResponse, error)
+	CreateMemoComment(ctx context.Context, in *CreateMemoCommentRequest, opts ...grpc.CallOption) (*CreateMemoCommentResponse, error)
+	ListMemoComments(ctx context.Context, in *ListMemoCommentsRequest, opts ...grpc.CallOption) (*ListMemoCommentsResponse, error)
 }
 
 type memoServiceClient struct {
@@ -39,6 +45,15 @@ func NewMemoServiceClient(cc grpc.ClientConnInterface) MemoServiceClient {
 	return &memoServiceClient{cc}
 }
 
+func (c *memoServiceClient) CreateMemo(ctx context.Context, in *CreateMemoRequest, opts ...grpc.CallOption) (*CreateMemoResponse, error) {
+	out := new(CreateMemoResponse)
+	err := c.cc.Invoke(ctx, MemoService_CreateMemo_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 func (c *memoServiceClient) ListMemos(ctx context.Context, in *ListMemosRequest, opts ...grpc.CallOption) (*ListMemosResponse, error) {
 	out := new(ListMemosResponse)
 	err := c.cc.Invoke(ctx, MemoService_ListMemos_FullMethodName, in, out, opts...)
@@ -57,12 +72,33 @@ func (c *memoServiceClient) GetMemo(ctx context.Context, in *GetMemoRequest, opt
 	return out, nil
 }
 
+func (c *memoServiceClient) CreateMemoComment(ctx context.Context, in *CreateMemoCommentRequest, opts ...grpc.CallOption) (*CreateMemoCommentResponse, error) {
+	out := new(CreateMemoCommentResponse)
+	err := c.cc.Invoke(ctx, MemoService_CreateMemoComment_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *memoServiceClient) ListMemoComments(ctx context.Context, in *ListMemoCommentsRequest, opts ...grpc.CallOption) (*ListMemoCommentsResponse, error) {
+	out := new(ListMemoCommentsResponse)
+	err := c.cc.Invoke(ctx, MemoService_ListMemoComments_FullMethodName, in, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
 // MemoServiceServer is the server API for MemoService service.
 // All implementations must embed UnimplementedMemoServiceServer
 // for forward compatibility
 type MemoServiceServer interface {
+	CreateMemo(context.Context, *CreateMemoRequest) (*CreateMemoResponse, error)
 	ListMemos(context.Context, *ListMemosRequest) (*ListMemosResponse, error)
 	GetMemo(context.Context, *GetMemoRequest) (*GetMemoResponse, error)
+	CreateMemoComment(context.Context, *CreateMemoCommentRequest) (*CreateMemoCommentResponse, error)
+	ListMemoComments(context.Context, *ListMemoCommentsRequest) (*ListMemoCommentsResponse, error)
 	mustEmbedUnimplementedMemoServiceServer()
 }
 
@@ -70,12 +106,21 @@ type MemoServiceServer interface {
 type UnimplementedMemoServiceServer struct {
 }
 
+func (UnimplementedMemoServiceServer) CreateMemo(context.Context, *CreateMemoRequest) (*CreateMemoResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateMemo not implemented")
+}
 func (UnimplementedMemoServiceServer) ListMemos(context.Context, *ListMemosRequest) (*ListMemosResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ListMemos not implemented")
 }
 func (UnimplementedMemoServiceServer) GetMemo(context.Context, *GetMemoRequest) (*GetMemoResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetMemo not implemented")
 }
+func (UnimplementedMemoServiceServer) CreateMemoComment(context.Context, *CreateMemoCommentRequest) (*CreateMemoCommentResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method CreateMemoComment not implemented")
+}
+func (UnimplementedMemoServiceServer) ListMemoComments(context.Context, *ListMemoCommentsRequest) (*ListMemoCommentsResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method ListMemoComments not implemented")
+}
 func (UnimplementedMemoServiceServer) mustEmbedUnimplementedMemoServiceServer() {}
 
 // UnsafeMemoServiceServer may be embedded to opt out of forward compatibility for this service.
@@ -89,6 +134,24 @@ func RegisterMemoServiceServer(s grpc.ServiceRegistrar, srv MemoServiceServer) {
 	s.RegisterService(&MemoService_ServiceDesc, srv)
 }
 
+func _MemoService_CreateMemo_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateMemoRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MemoServiceServer).CreateMemo(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MemoService_CreateMemo_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MemoServiceServer).CreateMemo(ctx, req.(*CreateMemoRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 func _MemoService_ListMemos_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
 	in := new(ListMemosRequest)
 	if err := dec(in); err != nil {
@@ -125,6 +188,42 @@ func _MemoService_GetMemo_Handler(srv interface{}, ctx context.Context, dec func
 	return interceptor(ctx, in, info, handler)
 }
 
+func _MemoService_CreateMemoComment_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(CreateMemoCommentRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MemoServiceServer).CreateMemoComment(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MemoService_CreateMemoComment_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MemoServiceServer).CreateMemoComment(ctx, req.(*CreateMemoCommentRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _MemoService_ListMemoComments_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(ListMemoCommentsRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MemoServiceServer).ListMemoComments(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MemoService_ListMemoComments_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MemoServiceServer).ListMemoComments(ctx, req.(*ListMemoCommentsRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
 // MemoService_ServiceDesc is the grpc.ServiceDesc for MemoService service.
 // It's only intended for direct use with grpc.RegisterService,
 // and not to be introspected or modified (even as a copy)
@@ -132,6 +231,10 @@ var MemoService_ServiceDesc = grpc.ServiceDesc{
 	ServiceName: "memos.api.v2.MemoService",
 	HandlerType: (*MemoServiceServer)(nil),
 	Methods: []grpc.MethodDesc{
+		{
+			MethodName: "CreateMemo",
+			Handler:    _MemoService_CreateMemo_Handler,
+		},
 		{
 			MethodName: "ListMemos",
 			Handler:    _MemoService_ListMemos_Handler,
@@ -140,6 +243,14 @@ var MemoService_ServiceDesc = grpc.ServiceDesc{
 			MethodName: "GetMemo",
 			Handler:    _MemoService_GetMemo_Handler,
 		},
+		{
+			MethodName: "CreateMemoComment",
+			Handler:    _MemoService_CreateMemoComment_Handler,
+		},
+		{
+			MethodName: "ListMemoComments",
+			Handler:    _MemoService_ListMemoComments_Handler,
+		},
 	},
 	Streams:  []grpc.StreamDesc{},
 	Metadata: "api/v2/memo_service.proto",

store/memo_relation.go

@@ -7,8 +7,10 @@ import (
 type MemoRelationType string
 
 const (
-	MemoRelationReference  MemoRelationType = "REFERENCE"
-	MemoRelationAdditional MemoRelationType = "ADDITIONAL"
+	// MemoRelationReference is the type for a reference memo relation.
+	MemoRelationReference MemoRelationType = "REFERENCE"
+	// MemoRelationComment is the type for a comment memo relation.
+	MemoRelationComment MemoRelationType = "COMMENT"
 )
 
 type MemoRelation struct {