feat: support define error by proto (douyu#84)

Makefile

@@ -6,6 +6,7 @@ init:
 	go install github.com/douyu/jupiter/cmd/jupiter
 	go install github.com/douyu/jupiter/cmd/protoc-gen-go-echo
 	go install github.com/douyu/jupiter/cmd/protoc-gen-go-gin
+	go install github.com/douyu/jupiter/cmd/protoc-gen-go-xerror
 	go install github.com/go-swagger/go-swagger/cmd/swagger
 	go install github.com/google/wire/cmd/wire
 	go install github.com/grpc-ecosystem/grpc-gateway/v2/protoc-gen-openapiv2

api/buf.yaml

@@ -8,6 +8,8 @@ deps:
 lint:
   ignore:
     - vendor
+    - error/v1
+
   use:
     - DEFAULT
     - COMMENTS

api/error/v1/error.proto

@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+package error.v1;
+
+import "google/protobuf/descriptor.proto";
+
+option go_package = "github.com/douyu/jupiter-layout/api/error/v1;errorv1";
+option java_multiple_files = true;
+option java_outer_classname = "ErrorProtoV1";
+option java_package = "com.douyu.error.v1";
+
+// Extend the google.protobuf.EnumValueOptions to add a custom option
+extend google.protobuf.EnumValueOptions {
+  // msg is the error message for enum value
+  string msg = 9527;
+}

api/error/v1/error.swagger.json

@@ -0,0 +1,15 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "error/v1/error.proto",
+    "version": "version not set"
+  },
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {},
+  "definitions": {}
+}

api/helloworld/v1/error.proto

@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package helloworld.v1;
+
+import "error/v1/error.proto";
+
+option go_package = "github.com/douyu/jupiter-layout/api/helloworld/v1;helloworldv1";
+option java_multiple_files = true;
+option java_outer_classname = "HelloWorldProtoV1";
+option java_package = "com.douyu.helloworld.v1";
+
+// Error codes for the helloworld.v1 package.
+enum Error {
+  // ERROR_UNSPECIFIED is the invalid code.
+  ERROR_UNSPECIFIED = 0;
+  // ERROR_NAME_EMPTY is the error code for empty name.
+  ERROR_NAME_EMPTY = 1000 [(error.v1.msg) = "name is empty"];
+}

api/helloworld/v1/error.swagger.json

@@ -0,0 +1,15 @@
+{
+  "swagger": "2.0",
+  "info": {
+    "title": "helloworld/v1/error.proto",
+    "version": "version not set"
+  },
+  "consumes": [
+    "application/json"
+  ],
+  "produces": [
+    "application/json"
+  ],
+  "paths": {},
+  "definitions": {}
+}