Files service (#63)

* Files service

* Readme change

* Fix doc

files/.gitignore

@@ -0,0 +1,2 @@
+
+files

files/Dockerfile

@@ -0,0 +1,3 @@
+FROM alpine
+ADD files /files
+ENTRYPOINT [ "/files" ]

files/Makefile

@@ -0,0 +1,27 @@
+
+GOPATH:=$(shell go env GOPATH)
+.PHONY: init
+init:
+	go get -u github.com/golang/protobuf/proto
+	go get -u github.com/golang/protobuf/protoc-gen-go
+	go get github.com/micro/micro/v3/cmd/protoc-gen-micro
+.PHONY: proto
+proto:
+	protoc --proto_path=. --micro_out=. --go_out=:. proto/files.proto
+
+.PHONY: docs
+docs:    
+	protoc --openapi_out=. --proto_path=. --micro_out=${MODIFY}:. --go_out=${MODIFY}:. proto/files.proto
+	@redoc-cli bundle api-files.json
+
+.PHONY: build
+build:
+	go build -o files *.go
+
+.PHONY: test
+test:
+	go test -v ./... -cover
+
+.PHONY: docker
+docker:
+	docker build . -t files:latest

files/README.md

@@ -0,0 +1,3 @@
+# Files Service
+
+Save and list text files by project and path.

files/generate.go

@@ -0,0 +1,2 @@
+package main
+//go:generate make proto

files/handler/files.go

@@ -0,0 +1,62 @@
+package handler
+
+import (
+	"context"
+	"strings"
+
+	log "github.com/micro/micro/v3/service/logger"
+	"github.com/micro/micro/v3/service/model"
+	files "github.com/micro/services/files/proto"
+)
+
+type Files struct {
+	db model.Model
+}
+
+func NewFiles() *Files {
+	i := model.ByEquality("project")
+	i.Order.Type = model.OrderTypeUnordered
+
+	db := model.NewModel(
+		model.WithIndexes(i),
+	)
+
+	db.Register(new(files.File))
+
+	return &Files{
+		db: db,
+	}
+}
+
+func (e *Files) Save(ctx context.Context, req *files.SaveRequest, rsp *files.SaveResponse) error {
+	log.Info("Received Files.Call request")
+	for _, file := range req.Files {
+		err := e.db.Create(file)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (e *Files) List(ctx context.Context, req *files.ListRequest, rsp *files.ListResponse) error {
+	log.Info("Received Files.Call request")
+	rsp.Files = []*files.File{}
+	err := e.db.Read(model.QueryEquals("project", req.GetProject()), &rsp.Files)
+	if err != nil {
+		return err
+	}
+	// @todo funnily while this is the archetypical
+	// query for the KV store interface, it's not supported by the model
+	// so we do client side filtering here
+	if req.Path != "" {
+		filtered := []*files.File{}
+		for _, file := range rsp.Files {
+			if strings.HasPrefix(file.Path, req.Path) {
+				filtered = append(filtered, file)
+			}
+		}
+		rsp.Files = filtered
+	}
+	return nil
+}

files/main.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+	"github.com/micro/services/files/handler"
+	pb "github.com/micro/services/files/proto"
+
+	"github.com/micro/micro/v3/service"
+	"github.com/micro/micro/v3/service/logger"
+)
+
+func main() {
+	// Create service
+	srv := service.New(
+		service.Name("files"),
+		service.Version("latest"),
+	)
+
+	// Register handler
+	pb.RegisterFilesHandler(srv.Server(), new(handler.Files))
+
+	// Run service
+	if err := srv.Run(); err != nil {
+		logger.Fatal(err)
+	}
+}

files/micro.mu

@@ -0,0 +1 @@
+service files

files/proto/files.pb.go

@@ -0,0 +1,480 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.25.0
+// 	protoc        v3.6.1
+// source: proto/files.proto
+
+package files
+
+import (
+	proto "github.com/golang/protobuf/proto"
+	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 File struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// A custom string for namespacing purposes
+	// eg. files-of-mywebsite.com
+	Project string `protobuf:"bytes,1,opt,name=project,proto3" json:"project,omitempty"`
+	// Name of folder or file.
+	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	// Path. Default is '/', ie. top level
+	Path        string `protobuf:"bytes,3,opt,name=path,proto3" json:"path,omitempty"`
+	IsDirectory bool   `protobuf:"varint,4,opt,name=isDirectory,proto3" json:"isDirectory,omitempty"`
+	// File contents. Empty for directories.
+	FileContents string `protobuf:"bytes,5,opt,name=fileContents,proto3" json:"fileContents,omitempty"`
+	Created      int64  `protobuf:"varint,6,opt,name=created,proto3" json:"created,omitempty"`
+	Updated      int64  `protobuf:"varint,7,opt,name=updated,proto3" json:"updated,omitempty"`
+}
+
+func (x *File) Reset() {
+	*x = File{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_files_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *File) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*File) ProtoMessage() {}
+
+func (x *File) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_files_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 File.ProtoReflect.Descriptor instead.
+func (*File) Descriptor() ([]byte, []int) {
+	return file_proto_files_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *File) GetProject() string {
+	if x != nil {
+		return x.Project
+	}
+	return ""
+}
+
+func (x *File) GetName() string {
+	if x != nil {
+		return x.Name
+	}
+	return ""
+}
+
+func (x *File) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+func (x *File) GetIsDirectory() bool {
+	if x != nil {
+		return x.IsDirectory
+	}
+	return false
+}
+
+func (x *File) GetFileContents() string {
+	if x != nil {
+		return x.FileContents
+	}
+	return ""
+}
+
+func (x *File) GetCreated() int64 {
+	if x != nil {
+		return x.Created
+	}
+	return 0
+}
+
+func (x *File) GetUpdated() int64 {
+	if x != nil {
+		return x.Updated
+	}
+	return 0
+}
+
+// The save endpoint lets you batch save text files.
+type SaveRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Files []*File `protobuf:"bytes,1,rep,name=files,proto3" json:"files,omitempty"`
+}
+
+func (x *SaveRequest) Reset() {
+	*x = SaveRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_files_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SaveRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SaveRequest) ProtoMessage() {}
+
+func (x *SaveRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_files_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 SaveRequest.ProtoReflect.Descriptor instead.
+func (*SaveRequest) Descriptor() ([]byte, []int) {
+	return file_proto_files_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *SaveRequest) GetFiles() []*File {
+	if x != nil {
+		return x.Files
+	}
+	return nil
+}
+
+type SaveResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+}
+
+func (x *SaveResponse) Reset() {
+	*x = SaveResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_files_proto_msgTypes[2]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *SaveResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*SaveResponse) ProtoMessage() {}
+
+func (x *SaveResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_files_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 SaveResponse.ProtoReflect.Descriptor instead.
+func (*SaveResponse) Descriptor() ([]byte, []int) {
+	return file_proto_files_proto_rawDescGZIP(), []int{2}
+}
+
+// List files by their project and optionally a path.
+type ListRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// Project, required for listing.
+	Project string `protobuf:"bytes,1,opt,name=project,proto3" json:"project,omitempty"`
+	// Defaults to '/', ie. lists all files in a project.
+	// Supply path if of a folder if you want to list
+	// file inside that folder
+	// eg. '/docs'
+	Path string `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+}
+
+func (x *ListRequest) Reset() {
+	*x = ListRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_files_proto_msgTypes[3]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListRequest) ProtoMessage() {}
+
+func (x *ListRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_files_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 ListRequest.ProtoReflect.Descriptor instead.
+func (*ListRequest) Descriptor() ([]byte, []int) {
+	return file_proto_files_proto_rawDescGZIP(), []int{3}
+}
+
+func (x *ListRequest) GetProject() string {
+	if x != nil {
+		return x.Project
+	}
+	return ""
+}
+
+func (x *ListRequest) GetPath() string {
+	if x != nil {
+		return x.Path
+	}
+	return ""
+}
+
+type ListResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	Files []*File `protobuf:"bytes,1,rep,name=files,proto3" json:"files,omitempty"`
+}
+
+func (x *ListResponse) Reset() {
+	*x = ListResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_files_proto_msgTypes[4]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *ListResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*ListResponse) ProtoMessage() {}
+
+func (x *ListResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_files_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 ListResponse.ProtoReflect.Descriptor instead.
+func (*ListResponse) Descriptor() ([]byte, []int) {
+	return file_proto_files_proto_rawDescGZIP(), []int{4}
+}
+
+func (x *ListResponse) GetFiles() []*File {
+	if x != nil {
+		return x.Files
+	}
+	return nil
+}
+
+var File_proto_files_proto protoreflect.FileDescriptor
+
+var file_proto_files_proto_rawDesc = []byte{
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+	0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_proto_files_proto_rawDescOnce sync.Once
+	file_proto_files_proto_rawDescData = file_proto_files_proto_rawDesc
+)
+
+func file_proto_files_proto_rawDescGZIP() []byte {
+	file_proto_files_proto_rawDescOnce.Do(func() {
+		file_proto_files_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_files_proto_rawDescData)
+	})
+	return file_proto_files_proto_rawDescData
+}
+
+var file_proto_files_proto_msgTypes = make([]protoimpl.MessageInfo, 5)
+var file_proto_files_proto_goTypes = []interface{}{
+	(*File)(nil),         // 0: files.File
+	(*SaveRequest)(nil),  // 1: files.SaveRequest
+	(*SaveResponse)(nil), // 2: files.SaveResponse
+	(*ListRequest)(nil),  // 3: files.ListRequest
+	(*ListResponse)(nil), // 4: files.ListResponse
+}
+var file_proto_files_proto_depIdxs = []int32{
+	0, // 0: files.SaveRequest.files:type_name -> files.File
+	0, // 1: files.ListResponse.files:type_name -> files.File
+	1, // 2: files.Files.Save:input_type -> files.SaveRequest
+	3, // 3: files.Files.List:input_type -> files.ListRequest
+	2, // 4: files.Files.Save:output_type -> files.SaveResponse
+	4, // 5: files.Files.List:output_type -> files.ListResponse
+	4, // [4:6] is the sub-list for method output_type
+	2, // [2:4] is the sub-list for method input_type
+	2, // [2:2] is the sub-list for extension type_name
+	2, // [2:2] is the sub-list for extension extendee
+	0, // [0:2] is the sub-list for field type_name
+}
+
+func init() { file_proto_files_proto_init() }
+func file_proto_files_proto_init() {
+	if File_proto_files_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proto_files_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*File); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_files_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SaveRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_files_proto_msgTypes[2].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*SaveResponse); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_files_proto_msgTypes[3].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_files_proto_msgTypes[4].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*ListResponse); 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_files_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   5,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_proto_files_proto_goTypes,
+		DependencyIndexes: file_proto_files_proto_depIdxs,
+		MessageInfos:      file_proto_files_proto_msgTypes,
+	}.Build()
+	File_proto_files_proto = out.File
+	file_proto_files_proto_rawDesc = nil
+	file_proto_files_proto_goTypes = nil
+	file_proto_files_proto_depIdxs = nil
+}

files/proto/files.pb.micro.go

@@ -0,0 +1,110 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: proto/files.proto
+
+package files
+
+import (
+	fmt "fmt"
+	proto "github.com/golang/protobuf/proto"
+	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 Files service
+
+func NewFilesEndpoints() []*api.Endpoint {
+	return []*api.Endpoint{}
+}
+
+// Client API for Files service
+
+type FilesService interface {
+	Save(ctx context.Context, in *SaveRequest, opts ...client.CallOption) (*SaveResponse, error)
+	List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error)
+}
+
+type filesService struct {
+	c    client.Client
+	name string
+}
+
+func NewFilesService(name string, c client.Client) FilesService {
+	return &filesService{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *filesService) Save(ctx context.Context, in *SaveRequest, opts ...client.CallOption) (*SaveResponse, error) {
+	req := c.c.NewRequest(c.name, "Files.Save", in)
+	out := new(SaveResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+func (c *filesService) List(ctx context.Context, in *ListRequest, opts ...client.CallOption) (*ListResponse, error) {
+	req := c.c.NewRequest(c.name, "Files.List", in)
+	out := new(ListResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Files service
+
+type FilesHandler interface {
+	Save(context.Context, *SaveRequest, *SaveResponse) error
+	List(context.Context, *ListRequest, *ListResponse) error
+}
+
+func RegisterFilesHandler(s server.Server, hdlr FilesHandler, opts ...server.HandlerOption) error {
+	type files interface {
+		Save(ctx context.Context, in *SaveRequest, out *SaveResponse) error
+		List(ctx context.Context, in *ListRequest, out *ListResponse) error
+	}
+	type Files struct {
+		files
+	}
+	h := &filesHandler{hdlr}
+	return s.Handle(s.NewHandler(&Files{h}, opts...))
+}
+
+type filesHandler struct {
+	FilesHandler
+}
+
+func (h *filesHandler) Save(ctx context.Context, in *SaveRequest, out *SaveResponse) error {
+	return h.FilesHandler.Save(ctx, in, out)
+}
+
+func (h *filesHandler) List(ctx context.Context, in *ListRequest, out *ListResponse) error {
+	return h.FilesHandler.List(ctx, in, out)
+}

files/proto/files.proto

@@ -0,0 +1,48 @@
+syntax = "proto3";
+
+package files;
+
+option go_package = "proto;files";
+
+service Files {
+	rpc Save(SaveRequest) returns (SaveResponse) {}
+	rpc List(ListRequest) returns (ListResponse) {}
+}
+
+message File {
+	// A custom string for namespacing purposes
+	// eg. files-of-mywebsite.com
+	string project = 1;
+	// Name of folder or file.
+	string name = 2;
+	// Path. Default is '/', ie. top level
+	string path = 3;
+	bool isDirectory = 4;
+	// File contents. Empty for directories.
+	string fileContents = 5;
+	int64 created = 6;
+	int64 updated = 7;
+}
+
+// The save endpoint lets you batch save text files.
+message SaveRequest {
+	repeated File files = 1;
+}
+
+message SaveResponse {
+}
+
+// List files by their project and optionally a path.
+message ListRequest {
+	// Project, required for listing.
+	string project = 1;
+	// Defaults to '/', ie. lists all files in a project.
+	// Supply path if of a folder if you want to list
+	// file inside that folder
+	// eg. '/docs'
+	string path = 2;
+}
+
+message ListResponse {
+	repeated File files = 1;
+}