masonry/lang_templates/proto/application.proto.tmpl

// Code generated by Masonry DSL CLI tool. DO NOT EDIT.
syntax = "proto3";

{{- $serverName := "MyService" }}
{{- $serverHost := "localhost:8080" }}
{{- range .AST.Definitions }}
  {{- if .Server }}
    {{- $serverName = .Server.Name }}
    {{- $serverHost = getServerHostPort .Server.Settings }}
  {{- end }}
{{- end }}

package {{ $serverName | title }};

import "gorm/options/gorm.proto";
import "gorm/types/types.proto";
import "google/api/annotations.proto";
import "google/protobuf/timestamp.proto";

option go_package = "./;pb";

option (grpc.gateway.protoc_gen_openapiv2.options.openapiv2_swagger) = {
  info: {
    title: "{{ $serverName | title }} API"
    version: "v1.0"
    description: "Generated API for {{ $serverName }}"
  }
  host: "{{ $serverHost }}"
};

service {{ $serverName | title }}Service {
  option (gorm.server).autogen = true;

  {{- range .AST.Definitions }}
    {{- if .Entity }}
      {{- $entityName := .Entity.Name }}

  // CRUD operations for {{ $entityName }}
  rpc Create{{ $entityName }} (Create{{ $entityName }}Request) returns (Create{{ $entityName }}Response) {
    option (google.api.http) = {
      post: "/v1/{{ $entityName | title }}"
      body: "*"
    };
  }

  rpc Read{{ $entityName }} (Read{{ $entityName }}Request) returns (Read{{ $entityName }}Response) {
    option (google.api.http) = {
      get: "/v1/{{ $entityName | title }}/{id}"
    };
  }

  rpc List{{ $entityName }}s (List{{ $entityName }}sRequest) returns (List{{ $entityName }}sResponse) {
    option (google.api.http) = {
      get: "/v1/{{ $entityName | title }}"
    };
  }

  rpc Update{{ $entityName }} (Update{{ $entityName }}Request) returns (Update{{ $entityName }}Response) {
    option (google.api.http) = {
      put: "/v1/{{ $entityName | title }}"
      body: "*"
    };
  }

  rpc Delete{{ $entityName }} (Delete{{ $entityName }}Request) returns (Delete{{ $entityName }}Response) {
    option (gorm.method).object_type = "{{ $entityName }}";
    option (google.api.http) = {
      delete: "/v1/{{ $entityName | title }}/{id}"
    };
  }
    {{- end }}
  {{- end }}

  {{- range .AST.Definitions }}
    {{- if .Endpoint }}
      {{- $method := .Endpoint.Method }}
      {{- $path := .Endpoint.Path }}
      {{- $entity := .Endpoint.Entity }}
      {{- $handlerName := pathToHandlerName $path }}

  // Custom endpoint: {{ $method }} {{ $path }}
  rpc {{ $handlerName }}{{ $method }} ({{ $handlerName }}{{ $method }}Request) returns ({{ $handlerName }}{{ $method }}Response) {
    option (google.api.http) = {
      {{- if eq $method "GET" }}
      get: "{{ $path }}"
      {{- else if eq $method "POST" }}
      post: "{{ $path }}"
      body: "*"
      {{- else if eq $method "PUT" }}
      put: "{{ $path }}"
      body: "*"
      {{- else if eq $method "PATCH" }}
      patch: "{{ $path }}"
      body: "*"
      {{- else if eq $method "DELETE" }}
      delete: "{{ $path }}"
      {{- end }}
    };
  }
    {{- end }}
  {{- end }}
}

{{- range .AST.Definitions }}
  {{- if .Entity }}
    {{- $entityName := .Entity.Name }}

// CRUD Request/Response messages for {{ $entityName }}
message Create{{ $entityName }}Request {
  {{ $entityName }} payload = 1;
}

message Create{{ $entityName }}Response {
  {{ $entityName }} result = 1;
}

message Read{{ $entityName }}Request {
  {{- $idField := "" }}
  {{- $idType := "uint64" }}
  {{- range .Entity.Fields }}
    {{- if eq .Name "id" }}
      {{- $idField = .Name }}
      {{- if eq .Type "uuid" }}
        {{- $idType = "string" }}
      {{- else if eq .Type "string" }}
        {{- $idType = "string" }}
      {{- else }}
        {{- $idType = "uint64" }}
      {{- end }}
    {{- end }}
  {{- end }}
  {{ $idType }} id = 1;
}

message Read{{ $entityName }}Response {
  {{ $entityName }} result = 1;
}

message List{{ $entityName }}sRequest {
  int32 page_size = 1;
  string page_token = 2;
}

message List{{ $entityName }}sResponse {
  repeated {{ $entityName }} results = 1;
  string next_page_token = 2;
}

message Update{{ $entityName }}Request {
  {{ $entityName }} payload = 1;
}

message Update{{ $entityName }}Response {
  {{ $entityName }} result = 1;
}

message Delete{{ $entityName }}Request {
  {{- $idType := "uint64" }}
  {{- range .Entity.Fields }}
    {{- if eq .Name "id" }}
      {{- if eq .Type "uuid" }}
        {{- $idType = "string" }}
      {{- else if eq .Type "string" }}
        {{- $idType = "string" }}
      {{- else }}
        {{- $idType = "uint64" }}
      {{- end }}
    {{- end }}
  {{- end }}
  {{ $idType }} id = 1;
}

message Delete{{ $entityName }}Response {}
  {{- end }}
{{- end }}

{{- range .AST.Definitions }}
  {{- if .Endpoint }}
    {{- $method := .Endpoint.Method }}
    {{- $path := .Endpoint.Path }}
    {{- $handlerName := pathToHandlerName $path }}

// Custom endpoint messages for {{ $method }} {{ $path }}
message {{ $handlerName }}{{ $method }}Request {
    {{- if .Endpoint.Params }}
      {{- $fieldNum := 1 }}
      {{- range .Endpoint.Params }}
  {{ goType .Type }} {{ .Name }} = {{ $fieldNum }};
        {{- $fieldNum = add $fieldNum 1 }}
      {{- end }}
    {{- end }}
}

message {{ $handlerName }}{{ $method }}Response {
    {{- if .Endpoint.Response }}
      {{- if eq .Endpoint.Response.Type "list" }}
  repeated {{ .Endpoint.Entity }} results = 1;
      {{- else }}
  {{ .Endpoint.Response.Type }} result = 1;
      {{- end }}
    {{- else }}
  bool success = 1;
    {{- end }}
}
  {{- end }}
{{- end }}

{{- range .AST.Definitions }}
  {{- if .Entity }}
    {{- $entityName := .Entity.Name }}

// {{ $entityName }} entity message
message {{ $entityName }} {
  option (gorm.opts).ormable = true;
    {{- if .Entity.Description }}
  // {{ .Entity.Description }}
    {{- end }}

    {{- $fieldNum := 1 }}
    {{- range .Entity.Fields }}
      {{- $protoType := "string" }}
      {{- $gormTags := slice }}

      {{- if eq .Type "string" }}
        {{- $protoType = "string" }}
      {{- else if eq .Type "int" }}
        {{- $protoType = "int64" }}
      {{- else if eq .Type "uuid" }}
        {{- $protoType = "string" }}
        {{- $gormTags = append $gormTags "type:uuid" }}
      {{- else if eq .Type "boolean" }}
        {{- $protoType = "bool" }}
      {{- else if eq .Type "timestamp" }}
        {{- $protoType = "google.protobuf.Timestamp" }}
      {{- else if eq .Type "text" }}
        {{- $protoType = "string" }}
        {{- $gormTags = append $gormTags "type:text" }}
      {{- else }}
        {{- $protoType = "string" }}
      {{- end }}

      {{- if .Required }}
        {{- $gormTags = append $gormTags "not null" }}
      {{- end }}

      {{- if .Unique }}
        {{- $gormTags = append $gormTags "unique" }}
      {{- end }}

      {{- if .Index }}
        {{- $gormTags = append $gormTags "index" }}
      {{- end }}

      {{- if .Default }}
        {{- $gormTags = append $gormTags (printf "default:%s" (derefString .Default)) }}
      {{- end }}

      {{- if .Relationship }}
        {{- if eq .Relationship.Cardinality "one" }}
          {{- if .Relationship.ForeignKey }}
            {{- $gormTags = append $gormTags (printf "foreignKey:%s" (derefString .Relationship.ForeignKey)) }}
          {{- else }}
            {{- $gormTags = append $gormTags (printf "foreignKey:%sID" .Name) }}
          {{- end }}
        {{- else if eq .Relationship.Cardinality "many" }}
          {{- $protoType = printf "repeated %s" .Relationship.Type }}
          {{- if .Relationship.Through }}
            {{- $gormTags = append $gormTags (printf "many2many:%s" (derefString .Relationship.Through)) }}
          {{- else }}
            {{- $gormTags = append $gormTags (printf "foreignKey:%sID" $entityName) }}
          {{- end }}
        {{- end }}
      {{- end }}

  {{ $protoType }} {{ .Name }} = {{ $fieldNum }}
      {{- if $gormTags }}
 [(gorm.field).tag = {
        {{- range $i, $tag := $gormTags }}
          {{- if $i }}, {{ end }}{{ $tag }}
        {{- end }}
      }]
      {{- end }};
      {{- $fieldNum = add $fieldNum 1 }}
    {{- end }}
}
  {{- end }}
{{- end }}