Comments service (#21)

2026-01-11 19:04:35 +00:00 · 2020-10-30 13:49:03 +01:00
parent ab521639d4
commit 3642f7279d
8 changed files with 316 additions and 85 deletions
--- a/blog/comments/Makefile
+++ b/blog/comments/Makefile
@@ -5,7 +5,7 @@ MODIFY=Mgithub.com/micro/micro/proto/api/api.proto=github.com/micro/micro/v3/pro
 .PHONY: proto
 proto:
    
-	protoc --proto_path=. --micro_out=${MODIFY}:. --go_out=${MODIFY}:. proto/comments/comments.proto
+	protoc --proto_path=. --micro_out=${MODIFY}:. --go_out=${MODIFY}:. proto/comments.proto
    

 .PHONY: build
--- a/blog/comments/handler/comments.go
+++ b/blog/comments/handler/comments.go
@@ -2,15 +2,45 @@ package handler

 import (
 	"context"
+	"time"

-	"github.com/micro/micro/v3/service/logger"
+	"github.com/google/uuid"
+	"github.com/micro/dev/model"
+	"github.com/micro/micro/v3/service/store"
 	pb "github.com/micro/services/blog/comments/proto"
 )

-type Comments struct{}
-
-// Call is a single request handler called via client.Call or the generated client code
-func (c *Comments) Save(ctx context.Context, req *pb.Request, rsp *pb.Response) error {
-	logger.Info("Not yet implemented")
-	return nil
+type Comments struct {
+	comments  model.Table
+	idIndex   model.Index
+	postIndex model.Index
+}
+
+func NewComments() *Comments {
+	postIndex := model.ByEquality("post")
+	postIndex.Order.Type = model.OrderTypeDesc
+	postIndex.Order.FieldName = "created"
+
+	idIndex := model.ByEquality("id")
+	idIndex.Order.Type = model.OrderTypeUnordered
+
+	return &Comments{
+		comments:  model.NewTable(store.DefaultStore, "users", model.Indexes(postIndex), nil),
+		postIndex: postIndex,
+		idIndex:   idIndex,
+	}
+}
+
+func (c *Comments) New(ctx context.Context, req *pb.NewRequest, rsp *pb.NewResponse) error {
+	return c.comments.Save(pb.Comment{
+		Id:      uuid.New().String(),
+		Post:    req.Post,
+		Author:  req.Author,
+		Message: req.Message,
+		Created: time.Now().Unix(),
+	})
+}
+
+func (c *Comments) List(ctx context.Context, req *pb.ListRequest, rsp *pb.ListResponse) error {
+	return c.comments.List(c.postIndex.ToQuery(req.Post), &rsp.Comments)
 }
--- a/blog/comments/main.go
+++ b/blog/comments/main.go
@@ -13,7 +13,7 @@ func main() {
 	)

 	// Register Handler
-	srv.Handle(new(handler.Comments))
+	srv.Handle(handler.NewComments())

 	// Run service
 	if err := srv.Run(); err != nil {
--- a/blog/comments/proto/comments.pb.go
+++ b/blog/comments/proto/comments.pb.go
@@ -1,5 +1,5 @@
 // Code generated by protoc-gen-go. DO NOT EDIT.
-// source: github.com/micro/services/blog/comments/proto/comments.proto
+// source: proto/comments.proto

 package comments

@@ -20,106 +20,271 @@ var _ = math.Inf
 // proto package needs to be updated.
 const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package

-type Request struct {
-	// post to comment on
-	PostId string `protobuf:"bytes,1,opt,name=post_id,json=postId,proto3" json:"post_id,omitempty"`
-	// message to leave
-	Message              string   `protobuf:"bytes,2,opt,name=message,proto3" json:"message,omitempty"`
+type Comment struct {
+	Id                   string   `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Post                 string   `protobuf:"bytes,2,opt,name=post,proto3" json:"post,omitempty"`
+	Author               string   `protobuf:"bytes,3,opt,name=author,proto3" json:"author,omitempty"`
+	Message              string   `protobuf:"bytes,4,opt,name=message,proto3" json:"message,omitempty"`
+	Created              int64    `protobuf:"varint,5,opt,name=created,proto3" json:"created,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
 }

-func (m *Request) Reset()         { *m = Request{} }
-func (m *Request) String() string { return proto.CompactTextString(m) }
-func (*Request) ProtoMessage()    {}
-func (*Request) Descriptor() ([]byte, []int) {
-	return fileDescriptor_8266712419156109, []int{0}
+func (m *Comment) Reset()         { *m = Comment{} }
+func (m *Comment) String() string { return proto.CompactTextString(m) }
+func (*Comment) ProtoMessage()    {}
+func (*Comment) Descriptor() ([]byte, []int) {
+	return fileDescriptor_44070930b213c2b7, []int{0}
 }

-func (m *Request) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Request.Unmarshal(m, b)
+func (m *Comment) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_Comment.Unmarshal(m, b)
 }
-func (m *Request) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Request.Marshal(b, m, deterministic)
+func (m *Comment) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_Comment.Marshal(b, m, deterministic)
 }
-func (m *Request) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Request.Merge(m, src)
+func (m *Comment) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_Comment.Merge(m, src)
 }
-func (m *Request) XXX_Size() int {
-	return xxx_messageInfo_Request.Size(m)
+func (m *Comment) XXX_Size() int {
+	return xxx_messageInfo_Comment.Size(m)
 }
-func (m *Request) XXX_DiscardUnknown() {
-	xxx_messageInfo_Request.DiscardUnknown(m)
+func (m *Comment) XXX_DiscardUnknown() {
+	xxx_messageInfo_Comment.DiscardUnknown(m)
 }

-var xxx_messageInfo_Request proto.InternalMessageInfo
+var xxx_messageInfo_Comment proto.InternalMessageInfo

-func (m *Request) GetPostId() string {
+func (m *Comment) GetId() string {
 	if m != nil {
-		return m.PostId
+		return m.Id
 	}
 	return ""
 }

-func (m *Request) GetMessage() string {
+func (m *Comment) GetPost() string {
+	if m != nil {
+		return m.Post
+	}
+	return ""
+}
+
+func (m *Comment) GetAuthor() string {
+	if m != nil {
+		return m.Author
+	}
+	return ""
+}
+
+func (m *Comment) GetMessage() string {
 	if m != nil {
 		return m.Message
 	}
 	return ""
 }

-type Response struct {
+func (m *Comment) GetCreated() int64 {
+	if m != nil {
+		return m.Created
+	}
+	return 0
+}
+
+type NewRequest struct {
+	// post id
+	Post string `protobuf:"bytes,1,opt,name=post,proto3" json:"post,omitempty"`
+	// message to leave
+	Author               string   `protobuf:"bytes,2,opt,name=author,proto3" json:"author,omitempty"`
+	Message              string   `protobuf:"bytes,3,opt,name=message,proto3" json:"message,omitempty"`
 	XXX_NoUnkeyedLiteral struct{} `json:"-"`
 	XXX_unrecognized     []byte   `json:"-"`
 	XXX_sizecache        int32    `json:"-"`
 }

-func (m *Response) Reset()         { *m = Response{} }
-func (m *Response) String() string { return proto.CompactTextString(m) }
-func (*Response) ProtoMessage()    {}
-func (*Response) Descriptor() ([]byte, []int) {
-	return fileDescriptor_8266712419156109, []int{1}
+func (m *NewRequest) Reset()         { *m = NewRequest{} }
+func (m *NewRequest) String() string { return proto.CompactTextString(m) }
+func (*NewRequest) ProtoMessage()    {}
+func (*NewRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_44070930b213c2b7, []int{1}
 }

-func (m *Response) XXX_Unmarshal(b []byte) error {
-	return xxx_messageInfo_Response.Unmarshal(m, b)
+func (m *NewRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_NewRequest.Unmarshal(m, b)
 }
-func (m *Response) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
-	return xxx_messageInfo_Response.Marshal(b, m, deterministic)
+func (m *NewRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_NewRequest.Marshal(b, m, deterministic)
 }
-func (m *Response) XXX_Merge(src proto.Message) {
-	xxx_messageInfo_Response.Merge(m, src)
+func (m *NewRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_NewRequest.Merge(m, src)
 }
-func (m *Response) XXX_Size() int {
-	return xxx_messageInfo_Response.Size(m)
+func (m *NewRequest) XXX_Size() int {
+	return xxx_messageInfo_NewRequest.Size(m)
 }
-func (m *Response) XXX_DiscardUnknown() {
-	xxx_messageInfo_Response.DiscardUnknown(m)
+func (m *NewRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_NewRequest.DiscardUnknown(m)
 }

-var xxx_messageInfo_Response proto.InternalMessageInfo
+var xxx_messageInfo_NewRequest proto.InternalMessageInfo

-func init() {
-	proto.RegisterType((*Request)(nil), "comments.Request")
-	proto.RegisterType((*Response)(nil), "comments.Response")
+func (m *NewRequest) GetPost() string {
+	if m != nil {
+		return m.Post
+	}
+	return ""
+}
+
+func (m *NewRequest) GetAuthor() string {
+	if m != nil {
+		return m.Author
+	}
+	return ""
+}
+
+func (m *NewRequest) GetMessage() string {
+	if m != nil {
+		return m.Message
+	}
+	return ""
+}
+
+type NewResponse struct {
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *NewResponse) Reset()         { *m = NewResponse{} }
+func (m *NewResponse) String() string { return proto.CompactTextString(m) }
+func (*NewResponse) ProtoMessage()    {}
+func (*NewResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_44070930b213c2b7, []int{2}
+}
+
+func (m *NewResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_NewResponse.Unmarshal(m, b)
+}
+func (m *NewResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_NewResponse.Marshal(b, m, deterministic)
+}
+func (m *NewResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_NewResponse.Merge(m, src)
+}
+func (m *NewResponse) XXX_Size() int {
+	return xxx_messageInfo_NewResponse.Size(m)
+}
+func (m *NewResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_NewResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_NewResponse proto.InternalMessageInfo
+
+type ListRequest struct {
+	Post                 string   `protobuf:"bytes,1,opt,name=post,proto3" json:"post,omitempty"`
+	XXX_NoUnkeyedLiteral struct{} `json:"-"`
+	XXX_unrecognized     []byte   `json:"-"`
+	XXX_sizecache        int32    `json:"-"`
+}
+
+func (m *ListRequest) Reset()         { *m = ListRequest{} }
+func (m *ListRequest) String() string { return proto.CompactTextString(m) }
+func (*ListRequest) ProtoMessage()    {}
+func (*ListRequest) Descriptor() ([]byte, []int) {
+	return fileDescriptor_44070930b213c2b7, []int{3}
+}
+
+func (m *ListRequest) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListRequest.Unmarshal(m, b)
+}
+func (m *ListRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListRequest.Marshal(b, m, deterministic)
+}
+func (m *ListRequest) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListRequest.Merge(m, src)
+}
+func (m *ListRequest) XXX_Size() int {
+	return xxx_messageInfo_ListRequest.Size(m)
+}
+func (m *ListRequest) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListRequest.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListRequest proto.InternalMessageInfo
+
+func (m *ListRequest) GetPost() string {
+	if m != nil {
+		return m.Post
+	}
+	return ""
+}
+
+type ListResponse struct {
+	Comments             []*Comment `protobuf:"bytes,1,rep,name=comments,proto3" json:"comments,omitempty"`
+	XXX_NoUnkeyedLiteral struct{}   `json:"-"`
+	XXX_unrecognized     []byte     `json:"-"`
+	XXX_sizecache        int32      `json:"-"`
+}
+
+func (m *ListResponse) Reset()         { *m = ListResponse{} }
+func (m *ListResponse) String() string { return proto.CompactTextString(m) }
+func (*ListResponse) ProtoMessage()    {}
+func (*ListResponse) Descriptor() ([]byte, []int) {
+	return fileDescriptor_44070930b213c2b7, []int{4}
+}
+
+func (m *ListResponse) XXX_Unmarshal(b []byte) error {
+	return xxx_messageInfo_ListResponse.Unmarshal(m, b)
+}
+func (m *ListResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
+	return xxx_messageInfo_ListResponse.Marshal(b, m, deterministic)
+}
+func (m *ListResponse) XXX_Merge(src proto.Message) {
+	xxx_messageInfo_ListResponse.Merge(m, src)
+}
+func (m *ListResponse) XXX_Size() int {
+	return xxx_messageInfo_ListResponse.Size(m)
+}
+func (m *ListResponse) XXX_DiscardUnknown() {
+	xxx_messageInfo_ListResponse.DiscardUnknown(m)
+}
+
+var xxx_messageInfo_ListResponse proto.InternalMessageInfo
+
+func (m *ListResponse) GetComments() []*Comment {
+	if m != nil {
+		return m.Comments
+	}
+	return nil
 }

 func init() {
-	proto.RegisterFile("github.com/micro/services/blog/comments/proto/comments.proto", fileDescriptor_8266712419156109)
+	proto.RegisterType((*Comment)(nil), "comments.Comment")
+	proto.RegisterType((*NewRequest)(nil), "comments.NewRequest")
+	proto.RegisterType((*NewResponse)(nil), "comments.NewResponse")
+	proto.RegisterType((*ListRequest)(nil), "comments.ListRequest")
+	proto.RegisterType((*ListResponse)(nil), "comments.ListResponse")
 }

-var fileDescriptor_8266712419156109 = []byte{
-	// 174 bytes of a gzipped FileDescriptorProto
-	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0x4c, 0xce, 0x31, 0xcf, 0x82, 0x40,
-	0x0c, 0x06, 0xe0, 0x8f, 0x2f, 0x06, 0xb0, 0x9b, 0xb7, 0x48, 0x9c, 0x0c, 0x93, 0x13, 0x4d, 0x74,
-	0x94, 0xcd, 0xc9, 0x15, 0x7f, 0x80, 0x81, 0xa3, 0xc1, 0x4b, 0x3c, 0x8a, 0xf4, 0xe0, 0xf7, 0x1b,
-	0x4f, 0x20, 0x8e, 0x4f, 0x9b, 0xf6, 0x7d, 0x21, 0x6f, 0x8c, 0x7b, 0x0c, 0x55, 0xa6, 0xd9, 0xa2,
-	0x35, 0xba, 0x67, 0x14, 0xea, 0x47, 0xa3, 0x49, 0xb0, 0x7a, 0x72, 0x83, 0x9a, 0xad, 0xa5, 0xd6,
-	0x09, 0x76, 0x3d, 0x3b, 0x5e, 0x98, 0x79, 0xaa, 0x78, 0x76, 0x9a, 0x43, 0x54, 0xd0, 0x6b, 0x20,
-	0x71, 0x6a, 0x0b, 0x51, 0xc7, 0xe2, 0xee, 0xa6, 0x4e, 0x82, 0x7d, 0x70, 0x58, 0x17, 0xe1, 0x87,
-	0xd7, 0x5a, 0x25, 0x10, 0x59, 0x12, 0x29, 0x1b, 0x4a, 0xfe, 0xfd, 0x62, 0x66, 0x0a, 0x10, 0x17,
-	0x24, 0x1d, 0xb7, 0x42, 0xc7, 0x33, 0xc4, 0x97, 0xe9, 0xab, 0x42, 0x58, 0xdd, 0xca, 0x91, 0xd4,
-	0x26, 0x5b, 0x82, 0xa7, 0x94, 0x9d, 0xfa, 0x1d, 0x7d, 0x4f, 0xd3, 0xbf, 0x2a, 0xf4, 0xbd, 0x4e,
-	0xef, 0x00, 0x00, 0x00, 0xff, 0xff, 0x10, 0x41, 0xc4, 0x9e, 0xd7, 0x00, 0x00, 0x00,
+func init() {
+	proto.RegisterFile("proto/comments.proto", fileDescriptor_44070930b213c2b7)
+}
+
+var fileDescriptor_44070930b213c2b7 = []byte{
+	// 253 bytes of a gzipped FileDescriptorProto
+	0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0x7c, 0x51, 0xb1, 0x4e, 0xc3, 0x30,
+	0x10, 0x25, 0x71, 0x68, 0xcb, 0x05, 0x90, 0x38, 0x95, 0xca, 0xea, 0x04, 0x9e, 0xba, 0x50, 0xa4,
+	0x82, 0xc4, 0xc4, 0xc4, 0x8a, 0x18, 0xfc, 0x07, 0xa1, 0x3d, 0x41, 0x87, 0xd4, 0x21, 0xe7, 0x0a,
+	0xf5, 0xef, 0x71, 0x1d, 0x3b, 0x0d, 0x11, 0x74, 0xbb, 0xf7, 0xee, 0xdd, 0xbd, 0xf3, 0x33, 0x8c,
+	0xab, 0xda, 0x58, 0x73, 0xbf, 0x34, 0x65, 0x49, 0x1b, 0xcb, 0x73, 0x0f, 0x71, 0x14, 0xb1, 0xda,
+	0xc1, 0xf0, 0xa5, 0xa9, 0xf1, 0x12, 0xd2, 0xf5, 0x4a, 0x26, 0x37, 0xc9, 0xec, 0x4c, 0xbb, 0x0a,
+	0x11, 0xb2, 0xca, 0xb0, 0x95, 0xa9, 0x67, 0x7c, 0x8d, 0x13, 0x18, 0x14, 0x5b, 0xfb, 0x69, 0x6a,
+	0x29, 0x3c, 0x1b, 0x10, 0x4a, 0x18, 0x96, 0xc4, 0x5c, 0x7c, 0x90, 0xcc, 0x7c, 0x23, 0xc2, 0x7d,
+	0x67, 0x59, 0x53, 0x61, 0x69, 0x25, 0x4f, 0x5d, 0x47, 0xe8, 0x08, 0x95, 0x06, 0x78, 0xa3, 0x6f,
+	0x4d, 0x5f, 0x5b, 0x72, 0x9b, 0xa3, 0x5b, 0xf2, 0xa7, 0x5b, 0xfa, 0x9f, 0x9b, 0xf8, 0xe5, 0xa6,
+	0x2e, 0x20, 0xf7, 0x3b, 0xb9, 0x32, 0x1b, 0x26, 0x75, 0x0b, 0xf9, 0xeb, 0x9a, 0xed, 0x11, 0x0f,
+	0xf5, 0x0c, 0xe7, 0x8d, 0xa4, 0x19, 0xc1, 0x3b, 0x68, 0xc3, 0x71, 0x3a, 0x31, 0xcb, 0x17, 0x57,
+	0xf3, 0x36, 0xbd, 0x10, 0x95, 0x6e, 0x25, 0x8b, 0x1d, 0x8c, 0x02, 0xc9, 0xf8, 0x08, 0xc2, 0x99,
+	0xe3, 0xf8, 0xa0, 0x3f, 0xbc, 0x6f, 0x7a, 0xdd, 0x63, 0xc3, 0x85, 0x27, 0xf8, 0x04, 0xd9, 0xfe,
+	0x00, 0xec, 0x08, 0x3a, 0x37, 0x4f, 0x27, 0x7d, 0x3a, 0x0e, 0xbe, 0x0f, 0xfc, 0x5f, 0x3e, 0xfc,
+	0x04, 0x00, 0x00, 0xff, 0xff, 0xa9, 0x0c, 0xe5, 0xcc, 0xe3, 0x01, 0x00, 0x00,
 }
--- a/blog/comments/proto/comments.pb.micro.go
+++ b/blog/comments/proto/comments.pb.micro.go
@@ -1,5 +1,5 @@
 // Code generated by protoc-gen-micro. DO NOT EDIT.
-// source: github.com/micro/services/blog/comments/proto/comments.proto
+// source: proto/comments.proto

 package comments

@@ -42,7 +42,8 @@ func NewCommentsEndpoints() []*api.Endpoint {
 // Client API for Comments service

 type CommentsService interface {
-	Save(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error)
+	New(ctx context.Context, in *NewRequest, opts ...client.CallOption) (*NewResponse, error)
+	List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error)
 }

 type commentsService struct {
@@ -57,9 +58,19 @@ func NewCommentsService(name string, c client.Client) CommentsService {
 	}
 }

-func (c *commentsService) Save(ctx context.Context, in *Request, opts ...client.CallOption) (*Response, error) {
-	req := c.c.NewRequest(c.name, "Comments.Save", in)
-	out := new(Response)
+func (c *commentsService) New(ctx context.Context, in *NewRequest, opts ...client.CallOption) (*NewResponse, error) {
+	req := c.c.NewRequest(c.name, "Comments.New", in)
+	out := new(NewResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *commentsService) List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error) {
+	req := c.c.NewRequest(c.name, "Comments.List", in)
+	out := new(ListResponse)
 	err := c.c.Call(ctx, req, out, opts...)
 	if err != nil {
 		return nil, err
@@ -70,12 +81,14 @@ func (c *commentsService) Save(ctx context.Context, in *Request, opts ...client.
 // Server API for Comments service

 type CommentsHandler interface {
-	Save(context.Context, *Request, *Response) error
+	New(context.Context, *NewRequest, *NewResponse) error
+	List(context.Context, *ListRequest, *ListResponse) error
 }

 func RegisterCommentsHandler(s server.Server, hdlr CommentsHandler, opts ...server.HandlerOption) error {
 	type comments interface {
-		Save(ctx context.Context, in *Request, out *Response) error
+		New(ctx context.Context, in *NewRequest, out *NewResponse) error
+		List(ctx context.Context, in *ListRequest, out *ListResponse) error
 	}
 	type Comments struct {
 		comments
@@ -88,6 +101,10 @@ type commentsHandler struct {
 	CommentsHandler
 }

-func (h *commentsHandler) Save(ctx context.Context, in *Request, out *Response) error {
-	return h.CommentsHandler.Save(ctx, in, out)
+func (h *commentsHandler) New(ctx context.Context, in *NewRequest, out *NewResponse) error {
+	return h.CommentsHandler.New(ctx, in, out)
+}
+
+func (h *commentsHandler) List(ctx context.Context, in *ListRequest, out *ListResponse) error {
+	return h.CommentsHandler.List(ctx, in, out)
 }
--- a/blog/comments/proto/comments.proto
+++ b/blog/comments/proto/comments.proto
@@ -3,15 +3,32 @@ syntax = "proto3";
 package comments;

 service Comments {
-	rpc Save(Request) returns (Response) {}
+	rpc New(NewRequest) returns (NewResponse) {}
+	rpc List(ListRequest) returns (ListResponse) {}
 }

-message Request {
-	// post to comment on
-	string post_id = 1;
+message Comment {
+	string id = 1;
+	string post = 2;
+	string author = 3;
+	string message = 4;
+	int64 created = 5;
+}
+
+message NewRequest {
+	// post id
+	string post = 1;
 	// message to leave
-	string message = 2;
-
+	string author = 2;
+	string message = 3;
 }

-message Response {}
+message NewResponse {}
+
+message ListRequest{
+	string post = 1;
+}
+
+message ListResponse{
+	repeated Comment comments = 1;
+}
--- a/go.mod
+++ b/go.mod
@@ -7,7 +7,7 @@ require (
 	github.com/golang/protobuf v1.4.3
 	github.com/google/uuid v1.1.2
 	github.com/gosimple/slug v1.9.0
-	github.com/micro/dev v0.0.0-20201026103917-a7b0e7877fa5
+	github.com/micro/dev v0.0.0-20201030123519-9dee6b61fdc2
 	github.com/micro/go-micro/v2 v2.9.1 // indirect
 	github.com/micro/micro/v3 v3.0.0-beta.7
 	github.com/miekg/dns v1.1.31 // indirect
--- a/go.sum
+++ b/go.sum
@@ -334,6 +334,8 @@ github.com/micro/dev v0.0.0-20201023140212-49030ae8a31f h1:V9kC0gSrAUgXT3o5gMzQ3
 github.com/micro/dev v0.0.0-20201023140212-49030ae8a31f/go.mod h1:j/8E+ezN/ij7a9BXBHMKmLayFfUW1O4h/Owdv67B0X0=
 github.com/micro/dev v0.0.0-20201026103917-a7b0e7877fa5 h1:TKVhBhhLeJyWihKdg7bDd7J+h6MWx2Y0niEMmTfyOOw=
 github.com/micro/dev v0.0.0-20201026103917-a7b0e7877fa5/go.mod h1:j/8E+ezN/ij7a9BXBHMKmLayFfUW1O4h/Owdv67B0X0=
+github.com/micro/dev v0.0.0-20201030123519-9dee6b61fdc2 h1:AFnDvzVGaoby5itR/Ma85lajomD2wOgtdbLmXhHeTqY=
+github.com/micro/dev v0.0.0-20201030123519-9dee6b61fdc2/go.mod h1:j/8E+ezN/ij7a9BXBHMKmLayFfUW1O4h/Owdv67B0X0=
 github.com/micro/go-micro v1.18.0 h1:gP70EZVHpJuUIT0YWth192JmlIci+qMOEByHm83XE9E=
 github.com/micro/go-micro/v2 v2.9.1 h1:+S9koIrNWARjpP6k2TZ7kt0uC9zUJtNXzIdZTZRms7Q=
 github.com/micro/go-micro/v2 v2.9.1/go.mod h1:x55ZM3Puy0FyvvkR3e0ha0xsE9DFwfPSUMWAIbFY0SY=