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Code Issues Packages Projects Releases Wiki Activity

Refactor Chats Service (#48)

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This commit is contained in:
ben-toogood
2021-01-27 11:43:09 +00:00
committed by GitHub
parent 6ab2b2d9fa
commit 54c5994faf
30 changed files with 1855 additions and 82 deletions
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2
chats/.gitignore vendored Normal file
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chats

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chats/Dockerfile Normal file
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FROM alpine
ADD chats /chats
ENTRYPOINT [ "/chats" ]

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chats/Makefile Normal file
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GOPATH:=$(shell go env GOPATH)
.PHONY: init
init:
go get -u github.com/golang/protobuf/proto
go get -u github.com/golang/protobuf/protoc-gen-go
go get github.com/micro/micro/v3/cmd/protoc-gen-micro
.PHONY: proto
proto:
protoc --proto_path=. --micro_out=. --go_out=:. proto/chats.proto
.PHONY: build
build:
go build -o chats *.go
.PHONY: test
test:
go test -v ./... -cover
.PHONY: docker
docker:
docker build . -t chats:latest

3
chats/README.md Normal file
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# Chats Service
This is the Chats service

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chats/generate.go Normal file
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package main
//go:generate make proto

61
chats/handler/chats.go Normal file
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package handler
import (
"encoding/json"
"time"
pb "github.com/micro/services/chats/proto"
"github.com/micro/micro/v3/service/errors"
"google.golang.org/protobuf/types/known/timestamppb"
"gorm.io/gorm"
)
var (
ErrMissingID = errors.BadRequest("MISSING_ID", "Missing ID")
ErrMissingAuthorID = errors.BadRequest("MISSING_AUTHOR_ID", "Missing Author ID")
ErrMissingText = errors.BadRequest("MISSING_TEXT", "Missing text")
ErrMissingChatID = errors.BadRequest("MISSING_CHAT_ID", "Missing Chat ID")
ErrMissingUserIDs = errors.BadRequest("MISSING_USER_IDs", "Two or more user IDs are required")
ErrNotFound = errors.NotFound("NOT_FOUND", "Chat not found")
)
type Chats struct {
DB *gorm.DB
Time func() time.Time
}
type Chat struct {
ID string
UserIDs string `gorm:"uniqueIndex"` // sorted json array
CreatedAt time.Time
}
type Message struct {
ID string
AuthorID string
ChatID string
Text string
SentAt time.Time
}
func (m *Message) Serialize() *pb.Message {
return &pb.Message{
Id: m.ID,
AuthorId: m.AuthorID,
ChatId: m.ChatID,
Text: m.Text,
SentAt: timestamppb.New(m.SentAt),
}
}
func (c *Chat) Serialize() *pb.Chat {
var userIDs []string
json.Unmarshal([]byte(c.UserIDs), &userIDs)
return &pb.Chat{
Id: c.ID,
UserIds: userIDs,
CreatedAt: timestamppb.New(c.CreatedAt),
}
}

83
chats/handler/chats_test.go Normal file
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package handler_test
import (
"testing"
"time"
"github.com/micro/services/chats/handler"
pb "github.com/micro/services/chats/proto"
"github.com/stretchr/testify/assert"
"gorm.io/driver/postgres"
"gorm.io/gorm"
)
func testHandler(t *testing.T) *handler.Chats {
// connect to the database
db, err := gorm.Open(postgres.Open("postgresql://postgres@localhost:5432/chats?sslmode=disable"), &gorm.Config{})
if err != nil {
t.Fatalf("Error connecting to database: %v", err)
}
// migrate the database
if err := db.AutoMigrate(&handler.Chat{}, &handler.Message{}); err != nil {
t.Fatalf("Error migrating database: %v", err)
}
// clean any data from a previous run
if err := db.Exec("TRUNCATE TABLE chats, messages CASCADE").Error; err != nil {
t.Fatalf("Error cleaning database: %v", err)
}
return &handler.Chats{DB: db, Time: func() time.Time { return time.Unix(1611327673, 0) }}
}
func assertChatsMatch(t *testing.T, exp, act *pb.Chat) {
if act == nil {
t.Errorf("Chat not returned")
return
}
// adapt this check so we can reuse the func in testing create, where we don't know the exact id
// which will be generated
if len(exp.Id) > 0 {
assert.Equal(t, exp.Id, act.Id)
} else {
assert.NotEmpty(t, act.Id)
}
assert.Equal(t, exp.UserIds, act.UserIds)
if act.CreatedAt == nil {
t.Errorf("CreatedAt not set")
return
}
assert.True(t, exp.CreatedAt.AsTime().Equal(act.CreatedAt.AsTime()))
}
func assertMessagesMatch(t *testing.T, exp, act *pb.Message) {
if act == nil {
t.Errorf("Message not returned")
return
}
// adapt this check so we can reuse the func in testing create, where we don't know the exact id
// which will be generated
if len(exp.Id) > 0 {
assert.Equal(t, exp.Id, act.Id)
} else {
assert.NotEmpty(t, act.Id)
}
assert.Equal(t, exp.Text, act.Text)
assert.Equal(t, exp.AuthorId, act.AuthorId)
assert.Equal(t, exp.ChatId, act.ChatId)
if act.SentAt == nil {
t.Errorf("SentAt not set")
return
}
assert.True(t, exp.SentAt.AsTime().Equal(act.SentAt.AsTime()))
}

57
chats/handler/create_chat.go Normal file
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package handler
import (
"context"
"encoding/json"
"sort"
"strings"
"time"
"github.com/google/uuid"
"github.com/micro/micro/v3/service/errors"
"github.com/micro/micro/v3/service/logger"
pb "github.com/micro/services/chats/proto"
)
// Create a chat between two or more users, if a chat already exists for these users, the existing
// chat will be returned
func (c *Chats) CreateChat(ctx context.Context, req *pb.CreateChatRequest, rsp *pb.CreateChatResponse) error {
// validate the request
if len(req.UserIds) < 2 {
return ErrMissingUserIDs
}
// sort the user ids and then marshal to json
sort.Strings(req.UserIds)
bytes, err := json.Marshal(req.UserIds)
if err != nil {
logger.Errorf("Error mashaling user ids: %v", err)
return errors.InternalServerError("ENCODING_ERROR", "Error encoding user ids")
}
// construct the chat
chat := Chat{
ID: uuid.New().String(),
CreatedAt: time.Now(),
UserIDs: string(bytes),
}
// write to the database, if we get a unique key error, the chat already exists
err = c.DB.Create(&chat).Error
if err == nil {
rsp.Chat = chat.Serialize()
return nil
}
if !strings.Contains(err.Error(), "idx_chats_user_ids") {
logger.Errorf("Error creating chat: %v", err)
return errors.InternalServerError("DATABASE_ERROR", "Error connecting to database")
}
var existing Chat
if err := c.DB.Where(&Chat{UserIDs: chat.UserIDs}).First(&existing).Error; err != nil {
logger.Errorf("Error reading chat: %v", err)
return errors.InternalServerError("DATABASE_ERROR", "Error connecting to database")
}
rsp.Chat = existing.Serialize()
return nil
}

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chats/handler/create_chat_test.go Normal file
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package handler_test
import (
"context"
"testing"
"github.com/google/uuid"
"github.com/micro/services/chats/handler"
pb "github.com/micro/services/chats/proto"
"github.com/stretchr/testify/assert"
)
func TestCreateChat(t *testing.T) {
userIDs := []string{uuid.New().String(), uuid.New().String()}
tt := []struct {
Name string
UserIDs []string
Error error
}{
{
Name: "NoUserIDs",
Error: handler.ErrMissingUserIDs,
},
{
Name: "OneUserID",
UserIDs: userIDs[1:],
Error: handler.ErrMissingUserIDs,
},
{
Name: "Valid",
UserIDs: userIDs,
},
{
Name: "Repeat",
UserIDs: userIDs,
},
}
var chat *pb.Chat
h := testHandler(t)
for _, tc := range tt {
t.Run(tc.Name, func(t *testing.T) {
var rsp pb.CreateChatResponse
err := h.CreateChat(context.TODO(), &pb.CreateChatRequest{
UserIds: tc.UserIDs,
}, &rsp)
assert.Equal(t, tc.Error, err)
if tc.Error != nil {
return
}
assert.NotNil(t, rsp.Chat)
if chat == nil {
chat = rsp.Chat
} else {
assertChatsMatch(t, chat, rsp.Chat)
}
})
}
}

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chats/handler/create_message.go Normal file
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package handler
import (
"context"
"github.com/google/uuid"
"github.com/micro/micro/v3/service/errors"
"github.com/micro/micro/v3/service/logger"
pb "github.com/micro/services/chats/proto"
"gorm.io/gorm"
)
// Create a message within a chat
func (c *Chats) CreateMessage(ctx context.Context, req *pb.CreateMessageRequest, rsp *pb.CreateMessageResponse) error {
// validate the request
if len(req.AuthorId) == 0 {
return ErrMissingAuthorID
}
if len(req.ChatId) == 0 {
return ErrMissingChatID
}
if len(req.Text) == 0 {
return ErrMissingText
}
return c.DB.Transaction(func(tx *gorm.DB) error {
// lookup the chat
var conv Chat
if err := tx.Where(&Chat{ID: req.ChatId}).First(&conv).Error; err == gorm.ErrRecordNotFound {
return ErrNotFound
} else if err != nil {
logger.Errorf("Error reading chat: %v", err)
return errors.InternalServerError("DATABASE_ERROR", "Error connecting to database")
}
// create the message
msg := &Message{
ID: uuid.New().String(),
SentAt: c.Time(),
Text: req.Text,
AuthorID: req.AuthorId,
ChatID: req.ChatId,
}
if err := tx.Create(msg).Error; err != nil {
logger.Errorf("Error creating message: %v", err)
return errors.InternalServerError("DATABASE_ERROR", "Error connecting to database")
}
// serialize the response
rsp.Message = msg.Serialize()
return nil
})
}

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chats/handler/create_message_test.go Normal file
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package handler_test
import (
"context"
"testing"
"github.com/micro/services/chats/handler"
pb "github.com/micro/services/chats/proto"
"google.golang.org/protobuf/types/known/timestamppb"
"github.com/google/uuid"
"github.com/stretchr/testify/assert"
)
func TestCreateMessage(t *testing.T) {
h := testHandler(t)
// seed some data
var cRsp pb.CreateChatResponse
err := h.CreateChat(context.TODO(), &pb.CreateChatRequest{
UserIds: []string{uuid.New().String(), uuid.New().String()},
}, &cRsp)
if err != nil {
t.Fatalf("Error creating chat: %v", err)
return
}
tt := []struct {
Name string
AuthorID string
ChatID string
Text string
Error error
}{
{
Name: "MissingChatID",
Text: "HelloWorld",
AuthorID: uuid.New().String(),
Error: handler.ErrMissingChatID,
},
{
Name: "MissingAuthorID",
ChatID: uuid.New().String(),
Text: "HelloWorld",
Error: handler.ErrMissingAuthorID,
},
{
Name: "MissingText",
ChatID: uuid.New().String(),
AuthorID: uuid.New().String(),
Error: handler.ErrMissingText,
},
{
Name: "ChatNotFound",
ChatID: uuid.New().String(),
AuthorID: uuid.New().String(),
Text: "HelloWorld",
Error: handler.ErrNotFound,
},
{
Name: "Valid",
ChatID: cRsp.Chat.Id,
AuthorID: uuid.New().String(),
Text: "HelloWorld",
},
}
for _, tc := range tt {
t.Run(tc.Name, func(t *testing.T) {
var rsp pb.CreateMessageResponse
err := h.CreateMessage(context.TODO(), &pb.CreateMessageRequest{
Text: tc.Text, ChatId: tc.ChatID, AuthorId: tc.AuthorID,
}, &rsp)
assert.Equal(t, tc.Error, err)
if tc.Error != nil {
assert.Nil(t, rsp.Message)
return
}
assertMessagesMatch(t, &pb.Message{
AuthorId: tc.AuthorID,
ChatId: tc.ChatID,
SentAt: timestamppb.New(h.Time()),
Text: tc.Text,
}, rsp.Message)
})
}
}

45
chats/handler/list_messages.go Normal file
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package handler
import (
"context"
"github.com/micro/micro/v3/service/errors"
"github.com/micro/micro/v3/service/logger"
pb "github.com/micro/services/chats/proto"
)
const DefaultLimit = 25
// List the messages within a chat in reverse chronological order, using sent_before to
// offset as older messages need to be loaded
func (c *Chats) ListMessages(ctx context.Context, req *pb.ListMessagesRequest, rsp *pb.ListMessagesResponse) error {
// validate the request
if len(req.ChatId) == 0 {
return ErrMissingChatID
}
// construct the query
q := c.DB.Where(&Message{ChatID: req.ChatId}).Order("sent_at DESC")
if req.SentBefore != nil {
q = q.Where("sent_at < ?", req.SentBefore.AsTime())
}
if req.Limit != nil {
q.Limit(int(req.Limit.Value))
} else {
q.Limit(DefaultLimit)
}
// execute the query
var msgs []Message
if err := q.Find(&msgs).Error; err != nil {
logger.Errorf("Error reading messages: %v", err)
return errors.InternalServerError("DATABASE_ERROR", "Error connecting to database")
}
// serialize the response
rsp.Messages = make([]*pb.Message, len(msgs))
for i, m := range msgs {
rsp.Messages[i] = m.Serialize()
}
return nil
}

116
chats/handler/list_messages_test.go Normal file
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package handler_test
import (
"context"
"sort"
"strconv"
"testing"
"time"
"github.com/google/uuid"
"github.com/micro/services/chats/handler"
pb "github.com/micro/services/chats/proto"
"github.com/stretchr/testify/assert"
"google.golang.org/protobuf/types/known/wrapperspb"
)
func TestListMessages(t *testing.T) {
h := testHandler(t)
h.Time = time.Now
// seed some data
var chatRsp pb.CreateChatResponse
err := h.CreateChat(context.TODO(), &pb.CreateChatRequest{
UserIds: []string{uuid.New().String(), uuid.New().String()},
}, &chatRsp)
assert.NoError(t, err)
if err != nil {
return
}
msgs := make([]*pb.Message, 50)
for i := 0; i < len(msgs); i++ {
var rsp pb.CreateMessageResponse
err := h.CreateMessage(context.TODO(), &pb.CreateMessageRequest{
ChatId: chatRsp.Chat.Id,
AuthorId: uuid.New().String(),
Text: strconv.Itoa(i),
}, &rsp)
assert.NoError(t, err)
msgs[i] = rsp.Message
}
t.Run("MissingChatID", func(t *testing.T) {
var rsp pb.ListMessagesResponse
err := h.ListMessages(context.TODO(), &pb.ListMessagesRequest{}, &rsp)
assert.Equal(t, handler.ErrMissingChatID, err)
assert.Nil(t, rsp.Messages)
})
t.Run("NoOffset", func(t *testing.T) {
var rsp pb.ListMessagesResponse
err := h.ListMessages(context.TODO(), &pb.ListMessagesRequest{
ChatId: chatRsp.Chat.Id,
}, &rsp)
assert.NoError(t, err)
if len(rsp.Messages) != handler.DefaultLimit {
t.Fatalf("Expected %v messages but got %v", handler.DefaultLimit, len(rsp.Messages))
return
}
expected := msgs[25:]
sortMessages(rsp.Messages)
for i, msg := range rsp.Messages {
assertMessagesMatch(t, expected[i], msg)
}
})
t.Run("LimitSet", func(t *testing.T) {
var rsp pb.ListMessagesResponse
err := h.ListMessages(context.TODO(), &pb.ListMessagesRequest{
ChatId: chatRsp.Chat.Id,
Limit: &wrapperspb.Int32Value{Value: 10},
}, &rsp)
assert.NoError(t, err)
if len(rsp.Messages) != 10 {
t.Fatalf("Expected %v messages but got %v", 10, len(rsp.Messages))
return
}
expected := msgs[40:]
sortMessages(rsp.Messages)
for i, msg := range rsp.Messages {
assertMessagesMatch(t, expected[i], msg)
}
})
t.Run("OffsetAndLimit", func(t *testing.T) {
var rsp pb.ListMessagesResponse
err := h.ListMessages(context.TODO(), &pb.ListMessagesRequest{
ChatId: chatRsp.Chat.Id,
Limit: &wrapperspb.Int32Value{Value: 5},
SentBefore: msgs[20].SentAt,
}, &rsp)
assert.NoError(t, err)
if len(rsp.Messages) != 5 {
t.Fatalf("Expected %v messages but got %v", 5, len(rsp.Messages))
return
}
expected := msgs[15:20]
sortMessages(rsp.Messages)
for i, msg := range rsp.Messages {
assertMessagesMatch(t, expected[i], msg)
}
})
}
// sortMessages by the time they were sent
func sortMessages(msgs []*pb.Message) {
sort.Slice(msgs, func(i, j int) bool {
if msgs[i].SentAt == nil || msgs[j].SentAt == nil {
return true
}
return msgs[i].SentAt.AsTime().Before(msgs[j].SentAt.AsTime())
})
}

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chats/main.go Normal file
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package main
import (
"time"
"github.com/micro/services/chats/handler"
pb "github.com/micro/services/chats/proto"
"github.com/micro/micro/v3/service"
"github.com/micro/micro/v3/service/config"
"github.com/micro/micro/v3/service/logger"
"gorm.io/driver/postgres"
"gorm.io/gorm"
)
var dbAddress = "postgresql://postgres@localhost:5432/chats?sslmode=disable"
func main() {
// Create service
srv := service.New(
service.Name("chats"),
service.Version("latest"),
)
// Connect to the database
cfg, err := config.Get("chats.database")
if err != nil {
logger.Fatalf("Error loading config: %v", err)
}
addr := cfg.String(dbAddress)
db, err := gorm.Open(postgres.Open(addr), &gorm.Config{})
if err != nil {
logger.Fatalf("Error connecting to database: %v", err)
}
// Register handler
pb.RegisterChatsHandler(srv.Server(), &handler.Chats{DB: db, Time: time.Now})
// Run service
if err := srv.Run(); err != nil {
logger.Fatal(err)
}
}

1
chats/micro.mu Normal file
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service chats

727
chats/proto/chats.pb.go Normal file
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// Code generated by protoc-gen-go. DO NOT EDIT.
// versions:
// protoc-gen-go v1.23.0
// protoc v3.13.0
// source: proto/chats.proto
package chats
import (
proto "github.com/golang/protobuf/proto"
timestamp "github.com/golang/protobuf/ptypes/timestamp"
wrappers "github.com/golang/protobuf/ptypes/wrappers"
protoreflect "google.golang.org/protobuf/reflect/protoreflect"
protoimpl "google.golang.org/protobuf/runtime/protoimpl"
reflect "reflect"
sync "sync"
)
const (
// Verify that this generated code is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(20 - protoimpl.MinVersion)
// Verify that runtime/protoimpl is sufficiently up-to-date.
_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
)
// This is a compile-time assertion that a sufficiently up-to-date version
// of the legacy proto package is being used.
const _ = proto.ProtoPackageIsVersion4
type Chat struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
UserIds []string `protobuf:"bytes,2,rep,name=user_ids,json=userIds,proto3" json:"user_ids,omitempty"`
CreatedAt *timestamp.Timestamp `protobuf:"bytes,3,opt,name=created_at,json=createdAt,proto3" json:"created_at,omitempty"`
}
func (x *Chat) Reset() {
*x = Chat{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[0]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Chat) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Chat) ProtoMessage() {}
func (x *Chat) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_proto_msgTypes[0]
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 Chat.ProtoReflect.Descriptor instead.
func (*Chat) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{0}
}
func (x *Chat) GetId() string {
if x != nil {
return x.Id
}
return ""
}
func (x *Chat) GetUserIds() []string {
if x != nil {
return x.UserIds
}
return nil
}
func (x *Chat) GetCreatedAt() *timestamp.Timestamp {
if x != nil {
return x.CreatedAt
}
return nil
}
type Message struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Id string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
AuthorId string `protobuf:"bytes,2,opt,name=author_id,json=authorId,proto3" json:"author_id,omitempty"`
ChatId string `protobuf:"bytes,3,opt,name=chat_id,json=chatId,proto3" json:"chat_id,omitempty"`
Text string `protobuf:"bytes,4,opt,name=text,proto3" json:"text,omitempty"`
SentAt *timestamp.Timestamp `protobuf:"bytes,5,opt,name=sent_at,json=sentAt,proto3" json:"sent_at,omitempty"`
}
func (x *Message) Reset() {
*x = Message{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[1]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *Message) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*Message) ProtoMessage() {}
func (x *Message) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_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 Message.ProtoReflect.Descriptor instead.
func (*Message) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{1}
}
func (x *Message) GetId() string {
if x != nil {
return x.Id
}
return ""
}
func (x *Message) GetAuthorId() string {
if x != nil {
return x.AuthorId
}
return ""
}
func (x *Message) GetChatId() string {
if x != nil {
return x.ChatId
}
return ""
}
func (x *Message) GetText() string {
if x != nil {
return x.Text
}
return ""
}
func (x *Message) GetSentAt() *timestamp.Timestamp {
if x != nil {
return x.SentAt
}
return nil
}
type CreateChatRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
UserIds []string `protobuf:"bytes,1,rep,name=user_ids,json=userIds,proto3" json:"user_ids,omitempty"`
}
func (x *CreateChatRequest) Reset() {
*x = CreateChatRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[2]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CreateChatRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CreateChatRequest) ProtoMessage() {}
func (x *CreateChatRequest) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_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 CreateChatRequest.ProtoReflect.Descriptor instead.
func (*CreateChatRequest) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{2}
}
func (x *CreateChatRequest) GetUserIds() []string {
if x != nil {
return x.UserIds
}
return nil
}
type CreateChatResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Chat *Chat `protobuf:"bytes,1,opt,name=Chat,proto3" json:"Chat,omitempty"`
}
func (x *CreateChatResponse) Reset() {
*x = CreateChatResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[3]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CreateChatResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CreateChatResponse) ProtoMessage() {}
func (x *CreateChatResponse) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_proto_msgTypes[3]
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 CreateChatResponse.ProtoReflect.Descriptor instead.
func (*CreateChatResponse) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{3}
}
func (x *CreateChatResponse) GetChat() *Chat {
if x != nil {
return x.Chat
}
return nil
}
type CreateMessageRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
ChatId string `protobuf:"bytes,1,opt,name=chat_id,json=chatId,proto3" json:"chat_id,omitempty"`
AuthorId string `protobuf:"bytes,2,opt,name=author_id,json=authorId,proto3" json:"author_id,omitempty"`
Text string `protobuf:"bytes,3,opt,name=text,proto3" json:"text,omitempty"`
}
func (x *CreateMessageRequest) Reset() {
*x = CreateMessageRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[4]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CreateMessageRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CreateMessageRequest) ProtoMessage() {}
func (x *CreateMessageRequest) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_proto_msgTypes[4]
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 CreateMessageRequest.ProtoReflect.Descriptor instead.
func (*CreateMessageRequest) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{4}
}
func (x *CreateMessageRequest) GetChatId() string {
if x != nil {
return x.ChatId
}
return ""
}
func (x *CreateMessageRequest) GetAuthorId() string {
if x != nil {
return x.AuthorId
}
return ""
}
func (x *CreateMessageRequest) GetText() string {
if x != nil {
return x.Text
}
return ""
}
type CreateMessageResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Message *Message `protobuf:"bytes,1,opt,name=message,proto3" json:"message,omitempty"`
}
func (x *CreateMessageResponse) Reset() {
*x = CreateMessageResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[5]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *CreateMessageResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*CreateMessageResponse) ProtoMessage() {}
func (x *CreateMessageResponse) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_proto_msgTypes[5]
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 CreateMessageResponse.ProtoReflect.Descriptor instead.
func (*CreateMessageResponse) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{5}
}
func (x *CreateMessageResponse) GetMessage() *Message {
if x != nil {
return x.Message
}
return nil
}
type ListMessagesRequest struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
ChatId string `protobuf:"bytes,1,opt,name=chat_id,json=chatId,proto3" json:"chat_id,omitempty"`
SentBefore *timestamp.Timestamp `protobuf:"bytes,2,opt,name=sent_before,json=sentBefore,proto3" json:"sent_before,omitempty"`
Limit *wrappers.Int32Value `protobuf:"bytes,3,opt,name=limit,proto3" json:"limit,omitempty"`
}
func (x *ListMessagesRequest) Reset() {
*x = ListMessagesRequest{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[6]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ListMessagesRequest) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ListMessagesRequest) ProtoMessage() {}
func (x *ListMessagesRequest) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_proto_msgTypes[6]
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 ListMessagesRequest.ProtoReflect.Descriptor instead.
func (*ListMessagesRequest) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{6}
}
func (x *ListMessagesRequest) GetChatId() string {
if x != nil {
return x.ChatId
}
return ""
}
func (x *ListMessagesRequest) GetSentBefore() *timestamp.Timestamp {
if x != nil {
return x.SentBefore
}
return nil
}
func (x *ListMessagesRequest) GetLimit() *wrappers.Int32Value {
if x != nil {
return x.Limit
}
return nil
}
type ListMessagesResponse struct {
state protoimpl.MessageState
sizeCache protoimpl.SizeCache
unknownFields protoimpl.UnknownFields
Messages []*Message `protobuf:"bytes,1,rep,name=messages,proto3" json:"messages,omitempty"`
}
func (x *ListMessagesResponse) Reset() {
*x = ListMessagesResponse{}
if protoimpl.UnsafeEnabled {
mi := &file_proto_chats_proto_msgTypes[7]
ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
ms.StoreMessageInfo(mi)
}
}
func (x *ListMessagesResponse) String() string {
return protoimpl.X.MessageStringOf(x)
}
func (*ListMessagesResponse) ProtoMessage() {}
func (x *ListMessagesResponse) ProtoReflect() protoreflect.Message {
mi := &file_proto_chats_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 ListMessagesResponse.ProtoReflect.Descriptor instead.
func (*ListMessagesResponse) Descriptor() ([]byte, []int) {
return file_proto_chats_proto_rawDescGZIP(), []int{7}
}
func (x *ListMessagesResponse) GetMessages() []*Message {
if x != nil {
return x.Messages
}
return nil
}
var File_proto_chats_proto protoreflect.FileDescriptor
var file_proto_chats_proto_rawDesc = []byte{
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}
var (
file_proto_chats_proto_rawDescOnce sync.Once
file_proto_chats_proto_rawDescData = file_proto_chats_proto_rawDesc
)
func file_proto_chats_proto_rawDescGZIP() []byte {
file_proto_chats_proto_rawDescOnce.Do(func() {
file_proto_chats_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_chats_proto_rawDescData)
})
return file_proto_chats_proto_rawDescData
}
var file_proto_chats_proto_msgTypes = make([]protoimpl.MessageInfo, 8)
var file_proto_chats_proto_goTypes = []interface{}{
(*Chat)(nil), // 0: chats.Chat
(*Message)(nil), // 1: chats.Message
(*CreateChatRequest)(nil), // 2: chats.CreateChatRequest
(*CreateChatResponse)(nil), // 3: chats.CreateChatResponse
(*CreateMessageRequest)(nil), // 4: chats.CreateMessageRequest
(*CreateMessageResponse)(nil), // 5: chats.CreateMessageResponse
(*ListMessagesRequest)(nil), // 6: chats.ListMessagesRequest
(*ListMessagesResponse)(nil), // 7: chats.ListMessagesResponse
(*timestamp.Timestamp)(nil), // 8: google.protobuf.Timestamp
(*wrappers.Int32Value)(nil), // 9: google.protobuf.Int32Value
}
var file_proto_chats_proto_depIdxs = []int32{
8, // 0: chats.Chat.created_at:type_name -> google.protobuf.Timestamp
8, // 1: chats.Message.sent_at:type_name -> google.protobuf.Timestamp
0, // 2: chats.CreateChatResponse.Chat:type_name -> chats.Chat
1, // 3: chats.CreateMessageResponse.message:type_name -> chats.Message
8, // 4: chats.ListMessagesRequest.sent_before:type_name -> google.protobuf.Timestamp
9, // 5: chats.ListMessagesRequest.limit:type_name -> google.protobuf.Int32Value
1, // 6: chats.ListMessagesResponse.messages:type_name -> chats.Message
2, // 7: chats.Chats.CreateChat:input_type -> chats.CreateChatRequest
4, // 8: chats.Chats.CreateMessage:input_type -> chats.CreateMessageRequest
6, // 9: chats.Chats.ListMessages:input_type -> chats.ListMessagesRequest
3, // 10: chats.Chats.CreateChat:output_type -> chats.CreateChatResponse
5, // 11: chats.Chats.CreateMessage:output_type -> chats.CreateMessageResponse
7, // 12: chats.Chats.ListMessages:output_type -> chats.ListMessagesResponse
10, // [10:13] is the sub-list for method output_type
7, // [7:10] is the sub-list for method input_type
7, // [7:7] is the sub-list for extension type_name
7, // [7:7] is the sub-list for extension extendee
0, // [0:7] is the sub-list for field type_name
}
func init() { file_proto_chats_proto_init() }
func file_proto_chats_proto_init() {
if File_proto_chats_proto != nil {
return
}
if !protoimpl.UnsafeEnabled {
file_proto_chats_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Chat); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_chats_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*Message); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_chats_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CreateChatRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_chats_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CreateChatResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_chats_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CreateMessageRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_chats_proto_msgTypes[5].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*CreateMessageResponse); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_chats_proto_msgTypes[6].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ListMessagesRequest); i {
case 0:
return &v.state
case 1:
return &v.sizeCache
case 2:
return &v.unknownFields
default:
return nil
}
}
file_proto_chats_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
switch v := v.(*ListMessagesResponse); 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{
File: protoimpl.DescBuilder{
GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
RawDescriptor: file_proto_chats_proto_rawDesc,
NumEnums: 0,
NumMessages: 8,
NumExtensions: 0,
NumServices: 1,
},
GoTypes: file_proto_chats_proto_goTypes,
DependencyIndexes: file_proto_chats_proto_depIdxs,
MessageInfos: file_proto_chats_proto_msgTypes,
}.Build()
File_proto_chats_proto = out.File
file_proto_chats_proto_rawDesc = nil
file_proto_chats_proto_goTypes = nil
file_proto_chats_proto_depIdxs = nil
}

139
chats/proto/chats.pb.micro.go Normal file
View File

@@ -0,0 +1,139 @@
// Code generated by protoc-gen-micro. DO NOT EDIT.
// source: proto/chats.proto
package chats
import (
fmt "fmt"
proto "github.com/golang/protobuf/proto"
_ "github.com/golang/protobuf/ptypes/timestamp"
_ "github.com/golang/protobuf/ptypes/wrappers"
math "math"
)
import (
context "context"
api "github.com/micro/micro/v3/service/api"
client "github.com/micro/micro/v3/service/client"
server "github.com/micro/micro/v3/service/server"
)
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
// Reference imports to suppress errors if they are not otherwise used.
var _ api.Endpoint
var _ context.Context
var _ client.Option
var _ server.Option
// Api Endpoints for Chats service
func NewChatsEndpoints() []*api.Endpoint {
return []*api.Endpoint{}
}
// Client API for Chats service
type ChatsService interface {
// Create a chat between two or more users, if a chat already exists for these users, the existing
// chat will be returned
CreateChat(ctx context.Context, in *CreateChatRequest, opts ...client.CallOption) (*CreateChatResponse, error)
// Create a message within a chat
CreateMessage(ctx context.Context, in *CreateMessageRequest, opts ...client.CallOption) (*CreateMessageResponse, error)
// List the messages within a chat in reverse chronological order, using sent_before to
// offset as older messages need to be loaded
ListMessages(ctx context.Context, in *ListMessagesRequest, opts ...client.CallOption) (*ListMessagesResponse, error)
}
type chatsService struct {
c client.Client
name string
}
func NewChatsService(name string, c client.Client) ChatsService {
return &chatsService{
c: c,
name: name,
}
}
func (c *chatsService) CreateChat(ctx context.Context, in *CreateChatRequest, opts ...client.CallOption) (*CreateChatResponse, error) {
req := c.c.NewRequest(c.name, "Chats.CreateChat", in)
out := new(CreateChatResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *chatsService) CreateMessage(ctx context.Context, in *CreateMessageRequest, opts ...client.CallOption) (*CreateMessageResponse, error) {
req := c.c.NewRequest(c.name, "Chats.CreateMessage", in)
out := new(CreateMessageResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
func (c *chatsService) ListMessages(ctx context.Context, in *ListMessagesRequest, opts ...client.CallOption) (*ListMessagesResponse, error) {
req := c.c.NewRequest(c.name, "Chats.ListMessages", in)
out := new(ListMessagesResponse)
err := c.c.Call(ctx, req, out, opts...)
if err != nil {
return nil, err
}
return out, nil
}
// Server API for Chats service
type ChatsHandler interface {
// Create a chat between two or more users, if a chat already exists for these users, the existing
// chat will be returned
CreateChat(context.Context, *CreateChatRequest, *CreateChatResponse) error
// Create a message within a chat
CreateMessage(context.Context, *CreateMessageRequest, *CreateMessageResponse) error
// List the messages within a chat in reverse chronological order, using sent_before to
// offset as older messages need to be loaded
ListMessages(context.Context, *ListMessagesRequest, *ListMessagesResponse) error
}
func RegisterChatsHandler(s server.Server, hdlr ChatsHandler, opts ...server.HandlerOption) error {
type chats interface {
CreateChat(ctx context.Context, in *CreateChatRequest, out *CreateChatResponse) error
CreateMessage(ctx context.Context, in *CreateMessageRequest, out *CreateMessageResponse) error
ListMessages(ctx context.Context, in *ListMessagesRequest, out *ListMessagesResponse) error
}
type Chats struct {
chats
}
h := &chatsHandler{hdlr}
return s.Handle(s.NewHandler(&Chats{h}, opts...))
}
type chatsHandler struct {
ChatsHandler
}
func (h *chatsHandler) CreateChat(ctx context.Context, in *CreateChatRequest, out *CreateChatResponse) error {
return h.ChatsHandler.CreateChat(ctx, in, out)
}
func (h *chatsHandler) CreateMessage(ctx context.Context, in *CreateMessageRequest, out *CreateMessageResponse) error {
return h.ChatsHandler.CreateMessage(ctx, in, out)
}
func (h *chatsHandler) ListMessages(ctx context.Context, in *ListMessagesRequest, out *ListMessagesResponse) error {
return h.ChatsHandler.ListMessages(ctx, in, out)
}

59
chats/proto/chats.proto Normal file
View File

@@ -0,0 +1,59 @@
syntax = "proto3";
package chats;
option go_package = "proto;chats";
import "google/protobuf/timestamp.proto";
import "google/protobuf/wrappers.proto";
service Chats {
// Create a chat between two or more users, if a chat already exists for these users, the existing
// chat will be returned
rpc CreateChat(CreateChatRequest) returns (CreateChatResponse);
// Create a message within a chat
rpc CreateMessage(CreateMessageRequest) returns (CreateMessageResponse);
// List the messages within a chat in reverse chronological order, using sent_before to
// offset as older messages need to be loaded
rpc ListMessages(ListMessagesRequest) returns (ListMessagesResponse);
}
message Chat {
string id = 1;
repeated string user_ids = 2;
google.protobuf.Timestamp created_at = 3;
}
message Message {
string id = 1;
string author_id = 2;
string chat_id = 3;
string text = 4;
google.protobuf.Timestamp sent_at = 5;
}
message CreateChatRequest {
repeated string user_ids = 1;
}
message CreateChatResponse {
Chat Chat = 1;
}
message CreateMessageRequest {
string chat_id = 1;
string author_id = 2;
string text = 3;
}
message CreateMessageResponse {
Message message = 1;
}
message ListMessagesRequest {
string chat_id = 1;
google.protobuf.Timestamp sent_before = 2;
google.protobuf.Int32Value limit = 3;
}
message ListMessagesResponse {
repeated Message messages = 1;
}