[#783]: feat(grpc): update GRPC plugin to RR `v2`

[#783]: feat(grpc): update GRPC plugin to RR `v2`

1 files changed, 103 insertions, 0 deletions

diff --git a/plugins/grpc/protoc_plugins/protoc-gen-php-grpc/php/template.go b/plugins/grpc/protoc_plugins/protoc-gen-php-grpc/php/template.go
new file mode 100644
index 00000000..e00c6fdd
--- /dev/null
+++ b/plugins/grpc/protoc_plugins/protoc-gen-php-grpc/php/template.go
@@ -0,0 +1,103 @@
+// MIT License
+//
+// Copyright (c) 2018 SpiralScout
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+// SOFTWARE.
+
+package php
+
+import (
+	"bytes"
+	"fmt"
+	"strings"
+	"text/template"
+
+	desc "google.golang.org/protobuf/types/descriptorpb"
+	plugin "google.golang.org/protobuf/types/pluginpb"
+)
+
+const phpBody = `<?php
+# Generated by the protocol buffer compiler (spiral/php-grpc). DO NOT EDIT!
+# source: {{ .File.Name }}
+{{ $ns := .Namespace -}}
+{{if $ns.Namespace}}
+namespace {{ $ns.Namespace }};
+{{end}}
+use Spiral\GRPC;
+{{- range $n := $ns.Import}}
+use {{ $n }};
+{{- end}}
+
+interface {{ .Service.Name | interface }} extends GRPC\ServiceInterface
+{
+    // GRPC specific service name.
+    public const NAME = "{{ .File.Package }}.{{ .Service.Name }}";{{ "\n" }}
+{{- range $m := .Service.Method}}
+    /**
+    * @param GRPC\ContextInterface $ctx
+    * @param {{ name $ns $m.InputType }} $in
+    * @return {{ name $ns $m.OutputType }}
+    *
+    * @throws GRPC\Exception\InvokeException
+    */
+    public function {{ $m.Name }}(GRPC\ContextInterface $ctx, {{ name $ns $m.InputType }} $in): {{ name $ns $m.OutputType }};
+{{end -}}
+}
+`
+
+// generate php filename
+func filename(file *desc.FileDescriptorProto, name *string) string {
+	ns := namespace(file.Package, "/")
+	if file.Options != nil && file.Options.PhpNamespace != nil {
+		ns = strings.ReplaceAll(*file.Options.PhpNamespace, `\`, `/`)
+	}
+
+	return fmt.Sprintf("%s/%s.php", ns, identifier(*name, "interface"))
+}
+
+// generate php file body
+func body(req *plugin.CodeGeneratorRequest, file *desc.FileDescriptorProto, service *desc.ServiceDescriptorProto) string {
+	out := bytes.NewBuffer(nil)
+
+	data := struct {
+		Namespace *ns
+		File      *desc.FileDescriptorProto
+		Service   *desc.ServiceDescriptorProto
+	}{
+		Namespace: newNamespace(req, file, service),
+		File:      file,
+		Service:   service,
+	}
+
+	tpl := template.Must(template.New("phpBody").Funcs(template.FuncMap{
+		"interface": func(name *string) string {
+			return identifier(*name, "interface")
+		},
+		"name": func(ns *ns, name *string) string {
+			return ns.resolve(name)
+		},
+	}).Parse(phpBody))
+
+	err := tpl.Execute(out, data)
+	if err != nil {
+		panic(err)
+	}
+
+	return out.String()
+}