graphql

package
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Published: Aug 2, 2022 License: MIT Imports: 5 Imported by: 2

Documentation

Index

Constants

This section is empty.

Variables

View Source
var (
	GraphqlType_name = map[int32]string{
		0: "QUERY",
		1: "MUTATION",
		2: "RESOLVER",
	}
	GraphqlType_value = map[string]int32{
		"QUERY":    0,
		"MUTATION": 1,
		"RESOLVER": 2,
	}
)

Enum value maps for GraphqlType.

View Source
var (
	// optional graphql.GraphqlField field = 1079;
	E_Field = &file_graphql_graphql_proto_extTypes[1]
)

Extension fields to descriptorpb.FieldOptions.

View Source
var (
	// optional graphql.GraphqlSchema schema = 1079;
	E_Schema = &file_graphql_graphql_proto_extTypes[2]
)

Extension fields to descriptorpb.MethodOptions.

View Source
var (
	// optional graphql.GraphqlService service = 1079;
	E_Service = &file_graphql_graphql_proto_extTypes[0]
)

Extension fields to descriptorpb.ServiceOptions.

View Source
var File_graphql_graphql_proto protoreflect.FileDescriptor

Functions

This section is empty.

Types

type GraphqlField

type GraphqlField struct {

	// If true, this field is required.
	Required bool `protobuf:"varint,1,opt,name=required,proto3" json:"required,omitempty"`
	// DEPRECATED
	// Use default `json_name` to supply custom name for graphql fields
	//
	// Deprecated: Do not use.
	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
	// Define default value on input.
	Default string `protobuf:"bytes,3,opt,name=default,proto3" json:"default,omitempty"`
	// Omit this field from graphql definition
	Omit bool `protobuf:"varint,4,opt,name=omit,proto3" json:"omit,omitempty"`
	// Resolve this field by nested query with additional RPC
	Resolver string `protobuf:"bytes,5,opt,name=resolver,proto3" json:"resolver,omitempty"`
	// contains filtered or unexported fields
}

GraphqlField is FieldOptions in protobuf in order to define type field attribute. User can use this option as following:

```

message Member {
  string name = 1 [(graphql.field) = {required: true}]; // this field is required in GraphQL, it equivalent to String! on GraphQL
}
message CreateMemberRequest {
  string name = 1; [(grahpql.field) = {default: "anonymous"}]; // use default value on input or query
}

```

Note that in protobuf, all fields are dealt with optional so the same as it, all GraphQL fields are optional as default. If you need to be required, use 'required: true' option

func (*GraphqlField) Descriptor deprecated

func (*GraphqlField) Descriptor() ([]byte, []int)

Deprecated: Use GraphqlField.ProtoReflect.Descriptor instead.

func (*GraphqlField) GetDefault

func (x *GraphqlField) GetDefault() string

func (*GraphqlField) GetName deprecated

func (x *GraphqlField) GetName() string

Deprecated: Do not use.

func (*GraphqlField) GetOmit

func (x *GraphqlField) GetOmit() bool

func (*GraphqlField) GetRequired

func (x *GraphqlField) GetRequired() bool

func (*GraphqlField) GetResolver

func (x *GraphqlField) GetResolver() string

func (*GraphqlField) ProtoMessage

func (*GraphqlField) ProtoMessage()

func (*GraphqlField) ProtoReflect

func (x *GraphqlField) ProtoReflect() protoreflect.Message

func (*GraphqlField) Reset

func (x *GraphqlField) Reset()

func (*GraphqlField) String

func (x *GraphqlField) String() string

type GraphqlRequest

type GraphqlRequest struct {

	// Define input name.
	// This field enables only for mutation and note that if this field is specified,
	// the gRPC request message will be dealt with an input.
	Name string `protobuf:"bytes,1,opt,name=name,proto3" json:"name,omitempty"`
	// Define pluck message fields
	Plucks []string `protobuf:"bytes,2,rep,name=plucks,proto3" json:"plucks,omitempty"`
	// contains filtered or unexported fields
}

configuration option for request

func (*GraphqlRequest) Descriptor deprecated

func (*GraphqlRequest) Descriptor() ([]byte, []int)

Deprecated: Use GraphqlRequest.ProtoReflect.Descriptor instead.

func (*GraphqlRequest) GetName

func (x *GraphqlRequest) GetName() string

func (*GraphqlRequest) GetPlucks

func (x *GraphqlRequest) GetPlucks() []string

func (*GraphqlRequest) ProtoMessage

func (*GraphqlRequest) ProtoMessage()

func (*GraphqlRequest) ProtoReflect

func (x *GraphqlRequest) ProtoReflect() protoreflect.Message

func (*GraphqlRequest) Reset

func (x *GraphqlRequest) Reset()

func (*GraphqlRequest) String

func (x *GraphqlRequest) String() string

type GraphqlResponse

type GraphqlResponse struct {

	// If true, this response object is required
	// But when you declare "pluck", we respect expose field definition.
	Required bool `protobuf:"varint,1,opt,name=required,proto3" json:"required,omitempty"`
	// Define pluck message field.
	// Note that this field IS NOT repeated, just single string field.
	// It means the response could only be single.
	Pluck string `protobuf:"bytes,2,opt,name=pluck,proto3" json:"pluck,omitempty"`
	// contains filtered or unexported fields
}

configuration option for response

func (*GraphqlResponse) Descriptor deprecated

func (*GraphqlResponse) Descriptor() ([]byte, []int)

Deprecated: Use GraphqlResponse.ProtoReflect.Descriptor instead.

func (*GraphqlResponse) GetPluck

func (x *GraphqlResponse) GetPluck() string

func (*GraphqlResponse) GetRequired

func (x *GraphqlResponse) GetRequired() bool

func (*GraphqlResponse) ProtoMessage

func (*GraphqlResponse) ProtoMessage()

func (*GraphqlResponse) ProtoReflect

func (x *GraphqlResponse) ProtoReflect() protoreflect.Message

func (*GraphqlResponse) Reset

func (x *GraphqlResponse) Reset()

func (*GraphqlResponse) String

func (x *GraphqlResponse) String() string

type GraphqlSchema

type GraphqlSchema struct {

	// graphql type. Enum of QUERY or MUTATION is valid value
	Type GraphqlType `protobuf:"varint,1,opt,name=type,proto3,enum=graphql.GraphqlType" json:"type,omitempty"`
	// query name. this field is required
	Name string `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
	// Query request object configuration
	Request *GraphqlRequest `protobuf:"bytes,3,opt,name=request,proto3" json:"request,omitempty"`
	// Query response object configuration
	Response *GraphqlResponse `protobuf:"bytes,4,opt,name=response,proto3" json:"response,omitempty"`
	// contains filtered or unexported fields
}

Extend MethodOptions in order to define GraphQL Query or Mutation. User can use this option as following:

```

service Greeter {
   rpc SayHello(HelloRequest) returns (HelloReply) {
     option (graphql.schema) = {
       type: QUERY    // declare as Query
       name: "hello"  // query name
     }
   }
}

```

Since gRPC reason, it has limitation that the response could not be repeated. it's dificcurl to respond array response, so that we accept "response.pluck" in order to expose repeated fields in response message.

For instance:

```

message Member {
  string name = 1;
}
message ListMembersResponse {
  repeated Member members = 1; -- could be array response
}

message ListMembersRequest { }

service MemberService {
   rpc ListMembers(ListMembersRequest) returns (ListMembersResponse) {
     option (graphql.schema) = {
       type: QUERY
       name: "members"
       response {
         repeated : true
         pluck: "members" // Query will respond [Member] instead of ListMembersResponse
       }
     }
   }
}

```

In mutation declaration: ```

service MemberService {
   rpc CreateMember(CreateMemberRequest) returns (Member) {
     option (graphql.schema) = {
       type: MUTATION        // declare as Mutation
       name: "cretemember"   // mutation name
     }
   }
}

```

The Mutation's input always becomes an input object, so you need to declare argument name.

```

message Member {
  string name = 1;
}
message CreateMemberRequest {
  string name = 1;
}
service MemberService {
   rpc CreateMember(CreateMemberRequest) returns (Member) {
     option (graphql.schema) = {
       type: MUTATION
       name: "createmember"
       request {
         name: "member" // this is equivalent to createbook(member: Member): Member in GraphQL
       }
     }
   }
}

```

Finally, user can access this query via /graphql?query={members{name}}

func (*GraphqlSchema) Descriptor deprecated

func (*GraphqlSchema) Descriptor() ([]byte, []int)

Deprecated: Use GraphqlSchema.ProtoReflect.Descriptor instead.

func (*GraphqlSchema) GetName

func (x *GraphqlSchema) GetName() string

func (*GraphqlSchema) GetRequest

func (x *GraphqlSchema) GetRequest() *GraphqlRequest

func (*GraphqlSchema) GetResponse

func (x *GraphqlSchema) GetResponse() *GraphqlResponse

func (*GraphqlSchema) GetType

func (x *GraphqlSchema) GetType() GraphqlType

func (*GraphqlSchema) ProtoMessage

func (*GraphqlSchema) ProtoMessage()

func (*GraphqlSchema) ProtoReflect

func (x *GraphqlSchema) ProtoReflect() protoreflect.Message

func (*GraphqlSchema) Reset

func (x *GraphqlSchema) Reset()

func (*GraphqlSchema) String

func (x *GraphqlSchema) String() string

type GraphqlService

type GraphqlService struct {
	// contains filtered or unexported fields
}

Base GraphqlService that gateway is built upon.

func (*GraphqlService) Descriptor deprecated

func (*GraphqlService) Descriptor() ([]byte, []int)

Deprecated: Use GraphqlService.ProtoReflect.Descriptor instead.

func (*GraphqlService) ProtoMessage

func (*GraphqlService) ProtoMessage()

func (*GraphqlService) ProtoReflect

func (x *GraphqlService) ProtoReflect() protoreflect.Message

func (*GraphqlService) Reset

func (x *GraphqlService) Reset()

func (*GraphqlService) String

func (x *GraphqlService) String() string

type GraphqlType

type GraphqlType int32

explicit schema declaration enum

const (
	// schema will generate as Query
	GraphqlType_QUERY GraphqlType = 0
	// schema will generate as Mutation
	GraphqlType_MUTATION GraphqlType = 1
	// schema will generate as Resolver. Resolver behaves not listed in query, but can resolve nested field.
	GraphqlType_RESOLVER GraphqlType = 2
)

func (GraphqlType) Descriptor

func (GraphqlType) Enum

func (x GraphqlType) Enum() *GraphqlType

func (GraphqlType) EnumDescriptor deprecated

func (GraphqlType) EnumDescriptor() ([]byte, []int)

Deprecated: Use GraphqlType.Descriptor instead.

func (GraphqlType) Number

func (x GraphqlType) Number() protoreflect.EnumNumber

func (GraphqlType) String

func (x GraphqlType) String() string

func (GraphqlType) Type

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