chore: implement stringify markdown nodes endpoint (#3688)

docs/apidocs.swagger.yaml

@@ -238,15 +238,15 @@ paths:
           type: string
       tags:
         - MarkdownService
-  /api/v1/markdown/parse:
+  /api/v1/markdown/node:restore:
     post:
-      summary: Parses the given markdown content and returns a list of nodes.
-      operationId: MarkdownService_ParseMarkdown
+      summary: RestoreMarkdownNodes restores the given nodes to markdown content.
+      operationId: MarkdownService_RestoreMarkdownNodes
       responses:
         "200":
           description: A successful response.
           schema:
-            $ref: '#/definitions/v1ParseMarkdownResponse'
+            $ref: '#/definitions/v1RestoreMarkdownNodesResponse'
         default:
           description: An unexpected error response.
           schema:
@@ -256,18 +256,39 @@ paths:
           in: body
           required: true
           schema:
-            $ref: '#/definitions/v1ParseMarkdownRequest'
+            $ref: '#/definitions/v1RestoreMarkdownNodesRequest'
+      tags:
+        - MarkdownService
+  /api/v1/markdown/node:stringify:
+    post:
+      summary: StringifyMarkdownNodes stringify the given nodes to plain text content.
+      operationId: MarkdownService_StringifyMarkdownNodes
+      responses:
+        "200":
+          description: A successful response.
+          schema:
+            $ref: '#/definitions/v1StringifyMarkdownNodesResponse'
+        default:
+          description: An unexpected error response.
+          schema:
+            $ref: '#/definitions/googlerpcStatus'
+      parameters:
+        - name: body
+          in: body
+          required: true
+          schema:
+            $ref: '#/definitions/v1StringifyMarkdownNodesRequest'
       tags:
         - MarkdownService
-  /api/v1/markdown:restore:
+  /api/v1/markdown:parse:
     post:
-      summary: Restores the given nodes to markdown content.
-      operationId: MarkdownService_RestoreMarkdown
+      summary: ParseMarkdown parses the given markdown content and returns a list of nodes.
+      operationId: MarkdownService_ParseMarkdown
       responses:
         "200":
           description: A successful response.
           schema:
-            $ref: '#/definitions/v1RestoreMarkdownResponse'
+            $ref: '#/definitions/v1ParseMarkdownResponse'
         default:
           description: An unexpected error response.
           schema:
@@ -277,7 +298,7 @@ paths:
           in: body
           required: true
           schema:
-            $ref: '#/definitions/v1RestoreMarkdownRequest'
+            $ref: '#/definitions/v1ParseMarkdownRequest'
       tags:
         - MarkdownService
   /api/v1/memos:
@@ -2855,7 +2876,7 @@ definitions:
       memo:
         type: string
         title: "The related memo.\r\nFormat: memos/{id}"
-  v1RestoreMarkdownRequest:
+  v1RestoreMarkdownNodesRequest:
     type: object
     properties:
       nodes:
@@ -2863,7 +2884,7 @@ definitions:
         items:
           type: object
           $ref: '#/definitions/v1Node'
-  v1RestoreMarkdownResponse:
+  v1RestoreMarkdownNodesResponse:
     type: object
     properties:
       markdown:
@@ -2909,6 +2930,19 @@ definitions:
     properties:
       content:
         type: string
+  v1StringifyMarkdownNodesRequest:
+    type: object
+    properties:
+      nodes:
+        type: array
+        items:
+          type: object
+          $ref: '#/definitions/v1Node'
+  v1StringifyMarkdownNodesResponse:
+    type: object
+    properties:
+      plainText:
+        type: string
   v1SubscriptNode:
     type: object
     properties:

go.mod

@@ -25,7 +25,7 @@ require (
 	github.com/spf13/cobra v1.8.1
 	github.com/spf13/viper v1.19.0
 	github.com/stretchr/testify v1.9.0
-	github.com/usememos/gomark v0.0.0-20240713015837-e5b687d3d637
+	github.com/usememos/gomark v0.0.0-20240714122951-35ed01b21822
 	golang.org/x/crypto v0.25.0
 	golang.org/x/mod v0.19.0
 	golang.org/x/net v0.27.0

go.sum

@@ -441,8 +441,8 @@ github.com/ugorji/go v1.1.7/go.mod h1:kZn38zHttfInRq0xu/PH0az30d+z6vm202qpg1oXVM
 github.com/ugorji/go/codec v1.1.7/go.mod h1:Ax+UKWsSmolVDwsd+7N3ZtXu+yMGCf907BLYF3GoBXY=
 github.com/urfave/cli v1.20.0/go.mod h1:70zkFmudgCuE/ngEzBv17Jvp/497gISqfk5gWijbERA=
 github.com/urfave/cli v1.22.1/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0=
-github.com/usememos/gomark v0.0.0-20240713015837-e5b687d3d637 h1:DTSf/z7oXyAJXk9bYaTHnRiLlHynWJ/ate9VKJn2awc=
-github.com/usememos/gomark v0.0.0-20240713015837-e5b687d3d637/go.mod h1:7CZRoYFQyyljzplOTeyODFR26O+wr0BbnpTWVLGfKJA=
+github.com/usememos/gomark v0.0.0-20240714122951-35ed01b21822 h1:4DQs0DJGaXLq+1eP6QfMkvcunyTVJ5OR7LK1cOm2imE=
+github.com/usememos/gomark v0.0.0-20240714122951-35ed01b21822/go.mod h1:7CZRoYFQyyljzplOTeyODFR26O+wr0BbnpTWVLGfKJA=
 github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw=
 github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc=
 github.com/valyala/fasttemplate v1.2.2 h1:lxLXG0uE3Qnshl9QyaK6XJxMXlQZELvChBOCmQD0Loo=

proto/api/v1/markdown_service.proto

@@ -7,17 +7,24 @@ import "google/api/annotations.proto";
 option go_package = "gen/api/v1";
 
 service MarkdownService {
-  // Parses the given markdown content and returns a list of nodes.
+  // ParseMarkdown parses the given markdown content and returns a list of nodes.
   rpc ParseMarkdown(ParseMarkdownRequest) returns (ParseMarkdownResponse) {
     option (google.api.http) = {
-      post: "/api/v1/markdown/parse"
+      post: "/api/v1/markdown:parse"
       body: "*"
     };
   }
-  // Restores the given nodes to markdown content.
-  rpc RestoreMarkdown(RestoreMarkdownRequest) returns (RestoreMarkdownResponse) {
+  // RestoreMarkdownNodes restores the given nodes to markdown content.
+  rpc RestoreMarkdownNodes(RestoreMarkdownNodesRequest) returns (RestoreMarkdownNodesResponse) {
     option (google.api.http) = {
-      post: "/api/v1/markdown:restore"
+      post: "/api/v1/markdown/node:restore"
+      body: "*"
+    };
+  }
+  // StringifyMarkdownNodes stringify the given nodes to plain text content.
+  rpc StringifyMarkdownNodes(StringifyMarkdownNodesRequest) returns (StringifyMarkdownNodesResponse) {
+    option (google.api.http) = {
+      post: "/api/v1/markdown/node:stringify"
       body: "*"
     };
   }
@@ -35,14 +42,22 @@ message ParseMarkdownResponse {
   repeated Node nodes = 1;
 }
 
-message RestoreMarkdownRequest {
+message RestoreMarkdownNodesRequest {
   repeated Node nodes = 1;
 }
 
-message RestoreMarkdownResponse {
+message RestoreMarkdownNodesResponse {
   string markdown = 1;
 }
 
+message StringifyMarkdownNodesRequest {
+  repeated Node nodes = 1;
+}
+
+message StringifyMarkdownNodesResponse {
+  string plain_text = 1;
+}
+
 message GetLinkMetadataRequest {
   string link = 1;
 }

proto/gen/api/v1/markdown_service.pb.gw.go

@@ -57,28 +57,54 @@ func local_request_MarkdownService_ParseMarkdown_0(ctx context.Context, marshale
 
 }
 
-func request_MarkdownService_RestoreMarkdown_0(ctx context.Context, marshaler runtime.Marshaler, client MarkdownServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq RestoreMarkdownRequest
+func request_MarkdownService_RestoreMarkdownNodes_0(ctx context.Context, marshaler runtime.Marshaler, client MarkdownServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq RestoreMarkdownNodesRequest
 	var metadata runtime.ServerMetadata
 
 	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
-	msg, err := client.RestoreMarkdown(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	msg, err := client.RestoreMarkdownNodes(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
 	return msg, metadata, err
 
 }
 
-func local_request_MarkdownService_RestoreMarkdown_0(ctx context.Context, marshaler runtime.Marshaler, server MarkdownServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
-	var protoReq RestoreMarkdownRequest
+func local_request_MarkdownService_RestoreMarkdownNodes_0(ctx context.Context, marshaler runtime.Marshaler, server MarkdownServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq RestoreMarkdownNodesRequest
 	var metadata runtime.ServerMetadata
 
 	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
 		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
 	}
 
-	msg, err := server.RestoreMarkdown(ctx, &protoReq)
+	msg, err := server.RestoreMarkdownNodes(ctx, &protoReq)
+	return msg, metadata, err
+
+}
+
+func request_MarkdownService_StringifyMarkdownNodes_0(ctx context.Context, marshaler runtime.Marshaler, client MarkdownServiceClient, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq StringifyMarkdownNodesRequest
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := client.StringifyMarkdownNodes(ctx, &protoReq, grpc.Header(&metadata.HeaderMD), grpc.Trailer(&metadata.TrailerMD))
+	return msg, metadata, err
+
+}
+
+func local_request_MarkdownService_StringifyMarkdownNodes_0(ctx context.Context, marshaler runtime.Marshaler, server MarkdownServiceServer, req *http.Request, pathParams map[string]string) (proto.Message, runtime.ServerMetadata, error) {
+	var protoReq StringifyMarkdownNodesRequest
+	var metadata runtime.ServerMetadata
+
+	if err := marshaler.NewDecoder(req.Body).Decode(&protoReq); err != nil && err != io.EOF {
+		return nil, metadata, status.Errorf(codes.InvalidArgument, "%v", err)
+	}
+
+	msg, err := server.StringifyMarkdownNodes(ctx, &protoReq)
 	return msg, metadata, err
 
 }
@@ -133,7 +159,7 @@ func RegisterMarkdownServiceHandlerServer(ctx context.Context, mux *runtime.Serv
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		var err error
 		var annotatedContext context.Context
-		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/memos.api.v1.MarkdownService/ParseMarkdown", runtime.WithHTTPPathPattern("/api/v1/markdown/parse"))
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/memos.api.v1.MarkdownService/ParseMarkdown", runtime.WithHTTPPathPattern("/api/v1/markdown:parse"))
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
 			return
@@ -150,7 +176,7 @@ func RegisterMarkdownServiceHandlerServer(ctx context.Context, mux *runtime.Serv
 
 	})
 
-	mux.Handle("POST", pattern_MarkdownService_RestoreMarkdown_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+	mux.Handle("POST", pattern_MarkdownService_RestoreMarkdownNodes_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
 		ctx, cancel := context.WithCancel(req.Context())
 		defer cancel()
 		var stream runtime.ServerTransportStream
@@ -158,12 +184,12 @@ func RegisterMarkdownServiceHandlerServer(ctx context.Context, mux *runtime.Serv
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		var err error
 		var annotatedContext context.Context
-		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/memos.api.v1.MarkdownService/RestoreMarkdown", runtime.WithHTTPPathPattern("/api/v1/markdown:restore"))
+		annotatedContext, err = runtime.AnnotateIncomingContext(ctx, mux, req, "/memos.api.v1.MarkdownService/RestoreMarkdownNodes", runtime.WithHTTPPathPattern("/api/v1/markdown/node:restore"))
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
 			return
 		}
-		resp, md, err := local_request_MarkdownService_RestoreMarkdown_0(annotatedContext, inboundMarshaler, server, req, pathParams)
+		resp, md, err := local_request_MarkdownService_RestoreMarkdownNodes_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 {
@@ -171,7 +197,32 @@ func RegisterMarkdownServiceHandlerServer(ctx context.Context, mux *runtime.Serv
 			return
 		}
 
-		forward_MarkdownService_RestoreMarkdown_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+		forward_MarkdownService_RestoreMarkdownNodes_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("POST", pattern_MarkdownService_StringifyMarkdownNodes_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.v1.MarkdownService/StringifyMarkdownNodes", runtime.WithHTTPPathPattern("/api/v1/markdown/node:stringify"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := local_request_MarkdownService_StringifyMarkdownNodes_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_MarkdownService_StringifyMarkdownNodes_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
 
 	})
 
@@ -247,7 +298,7 @@ func RegisterMarkdownServiceHandlerClient(ctx context.Context, mux *runtime.Serv
 		inboundMarshaler, outboundMarshaler := runtime.MarshalerForRequest(mux, req)
 		var err error
 		var annotatedContext context.Context
-		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/memos.api.v1.MarkdownService/ParseMarkdown", runtime.WithHTTPPathPattern("/api/v1/markdown/parse"))
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/memos.api.v1.MarkdownService/ParseMarkdown", runtime.WithHTTPPathPattern("/api/v1/markdown:parse"))
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
 			return
@@ -263,25 +314,47 @@ func RegisterMarkdownServiceHandlerClient(ctx context.Context, mux *runtime.Serv
 
 	})
 
-	mux.Handle("POST", pattern_MarkdownService_RestoreMarkdown_0, func(w http.ResponseWriter, req *http.Request, pathParams map[string]string) {
+	mux.Handle("POST", pattern_MarkdownService_RestoreMarkdownNodes_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.v1.MarkdownService/RestoreMarkdownNodes", runtime.WithHTTPPathPattern("/api/v1/markdown/node:restore"))
+		if err != nil {
+			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
+			return
+		}
+		resp, md, err := request_MarkdownService_RestoreMarkdownNodes_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
+		if err != nil {
+			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
+			return
+		}
+
+		forward_MarkdownService_RestoreMarkdownNodes_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+
+	})
+
+	mux.Handle("POST", pattern_MarkdownService_StringifyMarkdownNodes_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.v1.MarkdownService/RestoreMarkdown", runtime.WithHTTPPathPattern("/api/v1/markdown:restore"))
+		annotatedContext, err = runtime.AnnotateContext(ctx, mux, req, "/memos.api.v1.MarkdownService/StringifyMarkdownNodes", runtime.WithHTTPPathPattern("/api/v1/markdown/node:stringify"))
 		if err != nil {
 			runtime.HTTPError(ctx, mux, outboundMarshaler, w, req, err)
 			return
 		}
-		resp, md, err := request_MarkdownService_RestoreMarkdown_0(annotatedContext, inboundMarshaler, client, req, pathParams)
+		resp, md, err := request_MarkdownService_StringifyMarkdownNodes_0(annotatedContext, inboundMarshaler, client, req, pathParams)
 		annotatedContext = runtime.NewServerMetadataContext(annotatedContext, md)
 		if err != nil {
 			runtime.HTTPError(annotatedContext, mux, outboundMarshaler, w, req, err)
 			return
 		}
 
-		forward_MarkdownService_RestoreMarkdown_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
+		forward_MarkdownService_StringifyMarkdownNodes_0(annotatedContext, mux, outboundMarshaler, w, req, resp, mux.GetForwardResponseOptions()...)
 
 	})
 
@@ -311,9 +384,11 @@ func RegisterMarkdownServiceHandlerClient(ctx context.Context, mux *runtime.Serv
 }
 
 var (
-	pattern_MarkdownService_ParseMarkdown_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"api", "v1", "markdown", "parse"}, ""))
+	pattern_MarkdownService_ParseMarkdown_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "markdown"}, "parse"))
+
+	pattern_MarkdownService_RestoreMarkdownNodes_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"api", "v1", "markdown", "node"}, "restore"))
 
-	pattern_MarkdownService_RestoreMarkdown_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2}, []string{"api", "v1", "markdown"}, "restore"))
+	pattern_MarkdownService_StringifyMarkdownNodes_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"api", "v1", "markdown", "node"}, "stringify"))
 
 	pattern_MarkdownService_GetLinkMetadata_0 = runtime.MustPattern(runtime.NewPattern(1, []int{2, 0, 2, 1, 2, 2, 2, 3}, []string{"api", "v1", "markdown", "link"}, "metadata"))
 )
@@ -321,7 +396,9 @@ var (
 var (
 	forward_MarkdownService_ParseMarkdown_0 = runtime.ForwardResponseMessage
 
-	forward_MarkdownService_RestoreMarkdown_0 = runtime.ForwardResponseMessage
+	forward_MarkdownService_RestoreMarkdownNodes_0 = runtime.ForwardResponseMessage
+
+	forward_MarkdownService_StringifyMarkdownNodes_0 = runtime.ForwardResponseMessage
 
 	forward_MarkdownService_GetLinkMetadata_0 = runtime.ForwardResponseMessage
 )

proto/gen/api/v1/markdown_service_grpc.pb.go

@@ -20,7 +20,8 @@ const _ = grpc.SupportPackageIsVersion8
 
 const (
 	MarkdownService_ParseMarkdown_FullMethodName          = "/memos.api.v1.MarkdownService/ParseMarkdown"
-	MarkdownService_RestoreMarkdown_FullMethodName = "/memos.api.v1.MarkdownService/RestoreMarkdown"
+	MarkdownService_RestoreMarkdownNodes_FullMethodName   = "/memos.api.v1.MarkdownService/RestoreMarkdownNodes"
+	MarkdownService_StringifyMarkdownNodes_FullMethodName = "/memos.api.v1.MarkdownService/StringifyMarkdownNodes"
 	MarkdownService_GetLinkMetadata_FullMethodName        = "/memos.api.v1.MarkdownService/GetLinkMetadata"
 )
 
@@ -28,10 +29,12 @@ const (
 //
 // 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 MarkdownServiceClient interface {
-	// Parses the given markdown content and returns a list of nodes.
+	// ParseMarkdown parses the given markdown content and returns a list of nodes.
 	ParseMarkdown(ctx context.Context, in *ParseMarkdownRequest, opts ...grpc.CallOption) (*ParseMarkdownResponse, error)
-	// Restores the given nodes to markdown content.
-	RestoreMarkdown(ctx context.Context, in *RestoreMarkdownRequest, opts ...grpc.CallOption) (*RestoreMarkdownResponse, error)
+	// RestoreMarkdownNodes restores the given nodes to markdown content.
+	RestoreMarkdownNodes(ctx context.Context, in *RestoreMarkdownNodesRequest, opts ...grpc.CallOption) (*RestoreMarkdownNodesResponse, error)
+	// StringifyMarkdownNodes stringify the given nodes to plain text content.
+	StringifyMarkdownNodes(ctx context.Context, in *StringifyMarkdownNodesRequest, opts ...grpc.CallOption) (*StringifyMarkdownNodesResponse, error)
 	// GetLinkMetadata returns metadata for a given link.
 	GetLinkMetadata(ctx context.Context, in *GetLinkMetadataRequest, opts ...grpc.CallOption) (*LinkMetadata, error)
 }
@@ -54,10 +57,20 @@ func (c *markdownServiceClient) ParseMarkdown(ctx context.Context, in *ParseMark
 	return out, nil
 }
 
-func (c *markdownServiceClient) RestoreMarkdown(ctx context.Context, in *RestoreMarkdownRequest, opts ...grpc.CallOption) (*RestoreMarkdownResponse, error) {
+func (c *markdownServiceClient) RestoreMarkdownNodes(ctx context.Context, in *RestoreMarkdownNodesRequest, opts ...grpc.CallOption) (*RestoreMarkdownNodesResponse, error) {
 	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
-	out := new(RestoreMarkdownResponse)
-	err := c.cc.Invoke(ctx, MarkdownService_RestoreMarkdown_FullMethodName, in, out, cOpts...)
+	out := new(RestoreMarkdownNodesResponse)
+	err := c.cc.Invoke(ctx, MarkdownService_RestoreMarkdownNodes_FullMethodName, in, out, cOpts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *markdownServiceClient) StringifyMarkdownNodes(ctx context.Context, in *StringifyMarkdownNodesRequest, opts ...grpc.CallOption) (*StringifyMarkdownNodesResponse, error) {
+	cOpts := append([]grpc.CallOption{grpc.StaticMethod()}, opts...)
+	out := new(StringifyMarkdownNodesResponse)
+	err := c.cc.Invoke(ctx, MarkdownService_StringifyMarkdownNodes_FullMethodName, in, out, cOpts...)
 	if err != nil {
 		return nil, err
 	}
@@ -78,10 +91,12 @@ func (c *markdownServiceClient) GetLinkMetadata(ctx context.Context, in *GetLink
 // All implementations must embed UnimplementedMarkdownServiceServer
 // for forward compatibility
 type MarkdownServiceServer interface {
-	// Parses the given markdown content and returns a list of nodes.
+	// ParseMarkdown parses the given markdown content and returns a list of nodes.
 	ParseMarkdown(context.Context, *ParseMarkdownRequest) (*ParseMarkdownResponse, error)
-	// Restores the given nodes to markdown content.
-	RestoreMarkdown(context.Context, *RestoreMarkdownRequest) (*RestoreMarkdownResponse, error)
+	// RestoreMarkdownNodes restores the given nodes to markdown content.
+	RestoreMarkdownNodes(context.Context, *RestoreMarkdownNodesRequest) (*RestoreMarkdownNodesResponse, error)
+	// StringifyMarkdownNodes stringify the given nodes to plain text content.
+	StringifyMarkdownNodes(context.Context, *StringifyMarkdownNodesRequest) (*StringifyMarkdownNodesResponse, error)
 	// GetLinkMetadata returns metadata for a given link.
 	GetLinkMetadata(context.Context, *GetLinkMetadataRequest) (*LinkMetadata, error)
 	mustEmbedUnimplementedMarkdownServiceServer()
@@ -94,8 +109,11 @@ type UnimplementedMarkdownServiceServer struct {
 func (UnimplementedMarkdownServiceServer) ParseMarkdown(context.Context, *ParseMarkdownRequest) (*ParseMarkdownResponse, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method ParseMarkdown not implemented")
 }
-func (UnimplementedMarkdownServiceServer) RestoreMarkdown(context.Context, *RestoreMarkdownRequest) (*RestoreMarkdownResponse, error) {
-	return nil, status.Errorf(codes.Unimplemented, "method RestoreMarkdown not implemented")
+func (UnimplementedMarkdownServiceServer) RestoreMarkdownNodes(context.Context, *RestoreMarkdownNodesRequest) (*RestoreMarkdownNodesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method RestoreMarkdownNodes not implemented")
+}
+func (UnimplementedMarkdownServiceServer) StringifyMarkdownNodes(context.Context, *StringifyMarkdownNodesRequest) (*StringifyMarkdownNodesResponse, error) {
+	return nil, status.Errorf(codes.Unimplemented, "method StringifyMarkdownNodes not implemented")
 }
 func (UnimplementedMarkdownServiceServer) GetLinkMetadata(context.Context, *GetLinkMetadataRequest) (*LinkMetadata, error) {
 	return nil, status.Errorf(codes.Unimplemented, "method GetLinkMetadata not implemented")
@@ -131,20 +149,38 @@ func _MarkdownService_ParseMarkdown_Handler(srv interface{}, ctx context.Context
 	return interceptor(ctx, in, info, handler)
 }
 
-func _MarkdownService_RestoreMarkdown_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
-	in := new(RestoreMarkdownRequest)
+func _MarkdownService_RestoreMarkdownNodes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(RestoreMarkdownNodesRequest)
 	if err := dec(in); err != nil {
 		return nil, err
 	}
 	if interceptor == nil {
-		return srv.(MarkdownServiceServer).RestoreMarkdown(ctx, in)
+		return srv.(MarkdownServiceServer).RestoreMarkdownNodes(ctx, in)
 	}
 	info := &grpc.UnaryServerInfo{
 		Server:     srv,
-		FullMethod: MarkdownService_RestoreMarkdown_FullMethodName,
+		FullMethod: MarkdownService_RestoreMarkdownNodes_FullMethodName,
 	}
 	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
-		return srv.(MarkdownServiceServer).RestoreMarkdown(ctx, req.(*RestoreMarkdownRequest))
+		return srv.(MarkdownServiceServer).RestoreMarkdownNodes(ctx, req.(*RestoreMarkdownNodesRequest))
+	}
+	return interceptor(ctx, in, info, handler)
+}
+
+func _MarkdownService_StringifyMarkdownNodes_Handler(srv interface{}, ctx context.Context, dec func(interface{}) error, interceptor grpc.UnaryServerInterceptor) (interface{}, error) {
+	in := new(StringifyMarkdownNodesRequest)
+	if err := dec(in); err != nil {
+		return nil, err
+	}
+	if interceptor == nil {
+		return srv.(MarkdownServiceServer).StringifyMarkdownNodes(ctx, in)
+	}
+	info := &grpc.UnaryServerInfo{
+		Server:     srv,
+		FullMethod: MarkdownService_StringifyMarkdownNodes_FullMethodName,
+	}
+	handler := func(ctx context.Context, req interface{}) (interface{}, error) {
+		return srv.(MarkdownServiceServer).StringifyMarkdownNodes(ctx, req.(*StringifyMarkdownNodesRequest))
 	}
 	return interceptor(ctx, in, info, handler)
 }
@@ -179,8 +215,12 @@ var MarkdownService_ServiceDesc = grpc.ServiceDesc{
 			Handler:    _MarkdownService_ParseMarkdown_Handler,
 		},
 		{
-			MethodName: "RestoreMarkdown",
-			Handler:    _MarkdownService_RestoreMarkdown_Handler,
+			MethodName: "RestoreMarkdownNodes",
+			Handler:    _MarkdownService_RestoreMarkdownNodes_Handler,
+		},
+		{
+			MethodName: "StringifyMarkdownNodes",
+			Handler:    _MarkdownService_StringifyMarkdownNodes_Handler,
 		},
 		{
 			MethodName: "GetLinkMetadata",

server/router/api/v1/markdown_service.go

@@ -7,6 +7,7 @@ import (
 	"github.com/usememos/gomark/ast"
 	"github.com/usememos/gomark/parser"
 	"github.com/usememos/gomark/parser/tokenizer"
+	"github.com/usememos/gomark/renderer"
 	"github.com/usememos/gomark/restore"
 
 	"github.com/usememos/memos/plugin/httpgetter"
@@ -25,13 +26,21 @@ func (*APIV1Service) ParseMarkdown(_ context.Context, request *v1pb.ParseMarkdow
 	}, nil
 }
 
-func (*APIV1Service) RestoreMarkdown(_ context.Context, request *v1pb.RestoreMarkdownRequest) (*v1pb.RestoreMarkdownResponse, error) {
+func (*APIV1Service) RestoreMarkdownNodes(_ context.Context, request *v1pb.RestoreMarkdownNodesRequest) (*v1pb.RestoreMarkdownNodesResponse, error) {
 	markdown := restore.Restore(convertToASTNodes(request.Nodes))
-	return &v1pb.RestoreMarkdownResponse{
+	return &v1pb.RestoreMarkdownNodesResponse{
 		Markdown: markdown,
 	}, nil
 }
 
+func (*APIV1Service) StringifyMarkdownNodes(_ context.Context, request *v1pb.StringifyMarkdownNodesRequest) (*v1pb.StringifyMarkdownNodesResponse, error) {
+	stringRenderer := renderer.NewStringRenderer()
+	plainText := stringRenderer.Render(convertToASTNodes(request.Nodes))
+	return &v1pb.StringifyMarkdownNodesResponse{
+		PlainText: plainText,
+	}, nil
+}
+
 func (*APIV1Service) GetLinkMetadata(_ context.Context, request *v1pb.GetLinkMetadataRequest) (*v1pb.LinkMetadata, error) {
 	htmlMeta, err := httpgetter.GetHTMLMeta(request.Link)
 	if err != nil {

web/src/components/MemoContent/TaskList.tsx

@@ -37,7 +37,7 @@ const TaskList: React.FC<Props> = ({ index, indent, complete, children }: Props)
     }
 
     (node.taskListNode as TaskListNode)!.complete = on;
-    const { markdown } = await markdownServiceClient.restoreMarkdown({ nodes: context.nodes });
+    const { markdown } = await markdownServiceClient.restoreMarkdownNodes({ nodes: context.nodes });
     await memoStore.updateMemo(
       {
         name: context.memoName,