rename ask to answer

answer/.gitignore

@@ -0,0 +1,2 @@
+
+ask

answer/Dockerfile

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

answer/Makefile

@@ -0,0 +1,28 @@
+
+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
+	go get github.com/micro/micro/v3/cmd/protoc-gen-openapi
+
+.PHONY: api
+api:
+	protoc --openapi_out=. --proto_path=. proto/answer.proto
+
+.PHONY: proto
+proto:
+	protoc --proto_path=. --micro_out=. --go_out=:. proto/answer.proto
+	
+.PHONY: build
+build:
+	go build -o answer *.go
+
+.PHONY: test
+test:
+	go test -v ./... -cover
+
+.PHONY: docker
+docker:
+	docker build . -t answer:latest

answer/README.md

@@ -0,0 +1,7 @@
+Instant answers to any question
+
+# Ask Service
+
+Ask a question and get an instant answer.
+
+Powered by [DuckDuckGo](https://duckduckgo.com)

answer/examples.json

@@ -0,0 +1,14 @@
+{
+    "question": [{
+        "title": "Ask a question",
+        "description": "Ask a question and get an instant answer",
+        "request": {
+          "query": "google"
+        },
+        "response": {
+          "answer": "Google An American multinational technology company that specializes in Internet-related services...",
+          "url": "https://en.wikipedia.org/wiki/Google_(disambiguation)",
+          "image": "https://duckduckgo.com/i/8f85c93f.png"
+        }
+    }]
+}

answer/generate.go

@@ -0,0 +1,3 @@
+package main
+
+//go:generate make proto

answer/handler/answer.go

@@ -0,0 +1,47 @@
+package handler
+
+import (
+	"context"
+
+	"github.com/m3o/goduckgo/goduckgo"
+	"github.com/micro/micro/v3/service/errors"
+	pb "github.com/micro/services/answer/proto"
+)
+
+type Answer struct{}
+
+func (a *Answer) Question(ctx context.Context, req *pb.QuestionRequest, rsp *pb.QuestionResponse) error {
+	if len(req.Query) == 0 {
+		return errors.BadRequest("answer.question", "need a question")
+	}
+
+	msg, err := goduckgo.Query(req.Query)
+	if err != nil {
+		return errors.InternalServerError("answer.question", err.Error())
+	}
+
+	if len(msg.Abstract) > 0 {
+		rsp.Answer = msg.Abstract
+	} else if len(msg.AbstractText) > 0 {
+		rsp.Answer = msg.AbstractText
+	} else if len(msg.RelatedTopics) > 0 {
+		rsp.Answer = "Don't have an answer for that but here's a related topic: " + msg.RelatedTopics[0].Text
+	} else {
+		rsp.Answer = "Sorry I don't know 😞"
+		return nil
+	}
+
+	if (len(msg.AbstractURL) > 0) && (len(msg.Abstract) > 0 || len(msg.AbstractText) > 0) {
+		rsp.Url = msg.AbstractURL
+	} else if len(msg.RelatedTopics) > 0 {
+		rsp.Url = msg.RelatedTopics[0].FirstURL
+	}
+
+	if len(msg.Image) > 0 {
+		rsp.Image = "https://duckduckgo.com" + msg.Image
+	} else if len(msg.RelatedTopics) > 0 {
+		rsp.Image = "https://duckduckgo.com" + msg.RelatedTopics[0].Icon.URL
+	}
+
+	return nil
+}

answer/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"github.com/micro/micro/v3/service"
+	"github.com/micro/micro/v3/service/logger"
+	"github.com/micro/services/answer/handler"
+	pb "github.com/micro/services/answer/proto"
+)
+
+func main() {
+	// Create service
+	srv := service.New(
+		service.Name("answer"),
+		service.Version("latest"),
+	)
+
+	// Register handler
+	pb.RegisterAnswerHandler(srv.Server(), new(handler.Answer))
+
+	// Run service
+	if err := srv.Run(); err != nil {
+		logger.Fatal(err)
+	}
+}

answer/micro.mu

@@ -0,0 +1 @@
+service answer

answer/proto/answer.pb.go

@@ -0,0 +1,235 @@
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// versions:
+// 	protoc-gen-go v1.26.0
+// 	protoc        v3.15.6
+// source: proto/answer.proto
+
+package answer
+
+import (
+	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)
+)
+
+// Answer a question and receive an instant answer
+type QuestionRequest struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// the question to answer
+	Query string `protobuf:"bytes,1,opt,name=query,proto3" json:"query,omitempty"`
+}
+
+func (x *QuestionRequest) Reset() {
+	*x = QuestionRequest{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_answer_proto_msgTypes[0]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *QuestionRequest) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*QuestionRequest) ProtoMessage() {}
+
+func (x *QuestionRequest) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_answer_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 QuestionRequest.ProtoReflect.Descriptor instead.
+func (*QuestionRequest) Descriptor() ([]byte, []int) {
+	return file_proto_answer_proto_rawDescGZIP(), []int{0}
+}
+
+func (x *QuestionRequest) GetQuery() string {
+	if x != nil {
+		return x.Query
+	}
+	return ""
+}
+
+type QuestionResponse struct {
+	state         protoimpl.MessageState
+	sizeCache     protoimpl.SizeCache
+	unknownFields protoimpl.UnknownFields
+
+	// the answer to your question
+	Answer string `protobuf:"bytes,1,opt,name=answer,proto3" json:"answer,omitempty"`
+	// a related url
+	Url string `protobuf:"bytes,2,opt,name=url,proto3" json:"url,omitempty"`
+	// any related image
+	Image string `protobuf:"bytes,3,opt,name=image,proto3" json:"image,omitempty"`
+}
+
+func (x *QuestionResponse) Reset() {
+	*x = QuestionResponse{}
+	if protoimpl.UnsafeEnabled {
+		mi := &file_proto_answer_proto_msgTypes[1]
+		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+		ms.StoreMessageInfo(mi)
+	}
+}
+
+func (x *QuestionResponse) String() string {
+	return protoimpl.X.MessageStringOf(x)
+}
+
+func (*QuestionResponse) ProtoMessage() {}
+
+func (x *QuestionResponse) ProtoReflect() protoreflect.Message {
+	mi := &file_proto_answer_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 QuestionResponse.ProtoReflect.Descriptor instead.
+func (*QuestionResponse) Descriptor() ([]byte, []int) {
+	return file_proto_answer_proto_rawDescGZIP(), []int{1}
+}
+
+func (x *QuestionResponse) GetAnswer() string {
+	if x != nil {
+		return x.Answer
+	}
+	return ""
+}
+
+func (x *QuestionResponse) GetUrl() string {
+	if x != nil {
+		return x.Url
+	}
+	return ""
+}
+
+func (x *QuestionResponse) GetImage() string {
+	if x != nil {
+		return x.Image
+	}
+	return ""
+}
+
+var File_proto_answer_proto protoreflect.FileDescriptor
+
+var file_proto_answer_proto_rawDesc = []byte{
+	0x0a, 0x12, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x2f, 0x61, 0x6e, 0x73, 0x77, 0x65, 0x72, 0x2e, 0x70,
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+	0x61, 0x6e, 0x73, 0x77, 0x65, 0x72, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+	file_proto_answer_proto_rawDescOnce sync.Once
+	file_proto_answer_proto_rawDescData = file_proto_answer_proto_rawDesc
+)
+
+func file_proto_answer_proto_rawDescGZIP() []byte {
+	file_proto_answer_proto_rawDescOnce.Do(func() {
+		file_proto_answer_proto_rawDescData = protoimpl.X.CompressGZIP(file_proto_answer_proto_rawDescData)
+	})
+	return file_proto_answer_proto_rawDescData
+}
+
+var file_proto_answer_proto_msgTypes = make([]protoimpl.MessageInfo, 2)
+var file_proto_answer_proto_goTypes = []interface{}{
+	(*QuestionRequest)(nil),  // 0: answer.QuestionRequest
+	(*QuestionResponse)(nil), // 1: answer.QuestionResponse
+}
+var file_proto_answer_proto_depIdxs = []int32{
+	0, // 0: answer.Answer.Question:input_type -> answer.QuestionRequest
+	1, // 1: answer.Answer.Question:output_type -> answer.QuestionResponse
+	1, // [1:2] is the sub-list for method output_type
+	0, // [0:1] is the sub-list for method input_type
+	0, // [0:0] is the sub-list for extension type_name
+	0, // [0:0] is the sub-list for extension extendee
+	0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_proto_answer_proto_init() }
+func file_proto_answer_proto_init() {
+	if File_proto_answer_proto != nil {
+		return
+	}
+	if !protoimpl.UnsafeEnabled {
+		file_proto_answer_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QuestionRequest); i {
+			case 0:
+				return &v.state
+			case 1:
+				return &v.sizeCache
+			case 2:
+				return &v.unknownFields
+			default:
+				return nil
+			}
+		}
+		file_proto_answer_proto_msgTypes[1].Exporter = func(v interface{}, i int) interface{} {
+			switch v := v.(*QuestionResponse); 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_answer_proto_rawDesc,
+			NumEnums:      0,
+			NumMessages:   2,
+			NumExtensions: 0,
+			NumServices:   1,
+		},
+		GoTypes:           file_proto_answer_proto_goTypes,
+		DependencyIndexes: file_proto_answer_proto_depIdxs,
+		MessageInfos:      file_proto_answer_proto_msgTypes,
+	}.Build()
+	File_proto_answer_proto = out.File
+	file_proto_answer_proto_rawDesc = nil
+	file_proto_answer_proto_goTypes = nil
+	file_proto_answer_proto_depIdxs = nil
+}

answer/proto/answer.pb.micro.go

@@ -0,0 +1,93 @@
+// Code generated by protoc-gen-micro. DO NOT EDIT.
+// source: proto/answer.proto
+
+package answer
+
+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 Answer service
+
+func NewAnswerEndpoints() []*api.Endpoint {
+	return []*api.Endpoint{}
+}
+
+// Client API for Answer service
+
+type AnswerService interface {
+	Question(ctx context.Context, in *QuestionRequest, opts ...client.CallOption) (*QuestionResponse, error)
+}
+
+type answerService struct {
+	c    client.Client
+	name string
+}
+
+func NewAnswerService(name string, c client.Client) AnswerService {
+	return &answerService{
+		c:    c,
+		name: name,
+	}
+}
+
+func (c *answerService) Question(ctx context.Context, in *QuestionRequest, opts ...client.CallOption) (*QuestionResponse, error) {
+	req := c.c.NewRequest(c.name, "Answer.Question", in)
+	out := new(QuestionResponse)
+	err := c.c.Call(ctx, req, out, opts...)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+
+// Server API for Answer service
+
+type AnswerHandler interface {
+	Question(context.Context, *QuestionRequest, *QuestionResponse) error
+}
+
+func RegisterAnswerHandler(s server.Server, hdlr AnswerHandler, opts ...server.HandlerOption) error {
+	type answer interface {
+		Question(ctx context.Context, in *QuestionRequest, out *QuestionResponse) error
+	}
+	type Answer struct {
+		answer
+	}
+	h := &answerHandler{hdlr}
+	return s.Handle(s.NewHandler(&Answer{h}, opts...))
+}
+
+type answerHandler struct {
+	AnswerHandler
+}
+
+func (h *answerHandler) Question(ctx context.Context, in *QuestionRequest, out *QuestionResponse) error {
+	return h.AnswerHandler.Question(ctx, in, out)
+}

answer/proto/answer.proto

@@ -0,0 +1,24 @@
+syntax = "proto3";
+
+package answer;
+
+option go_package = "./proto;answer";
+
+service Answer {
+	rpc Question(QuestionRequest) returns (QuestionResponse) {}
+}
+
+// Answer a question and receive an instant answer
+message QuestionRequest {
+	// the question to answer
+	string query = 1;
+}
+
+message QuestionResponse {
+	// the answer to your question
+	string answer = 1;
+	// a related url
+	string url = 2;
+	// any related image
+	string image = 3;
+}

answer/publicapi.json

@@ -0,0 +1,5 @@
+{
+  "name": "answer",
+  "icon": "❓",
+  "category": "search"
+}