forked from googleapis/google-cloud-go
/
sessions_client.go
177 lines (155 loc) · 6.04 KB
/
sessions_client.go
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// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Code generated by protoc-gen-go_gapic. DO NOT EDIT.
package dialogflow
import (
"context"
"fmt"
"math"
"net/url"
"time"
gax "github.com/googleapis/gax-go/v2"
"google.golang.org/api/option"
gtransport "google.golang.org/api/transport/grpc"
dialogflowpb "google.golang.org/genproto/googleapis/cloud/dialogflow/v2"
"google.golang.org/grpc"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/metadata"
)
var newSessionsClientHook clientHook
// SessionsCallOptions contains the retry settings for each method of SessionsClient.
type SessionsCallOptions struct {
DetectIntent []gax.CallOption
StreamingDetectIntent []gax.CallOption
}
func defaultSessionsClientOptions() []option.ClientOption {
return []option.ClientOption{
option.WithEndpoint("dialogflow.googleapis.com:443"),
option.WithGRPCDialOption(grpc.WithDisableServiceConfig()),
option.WithScopes(DefaultAuthScopes()...),
option.WithGRPCDialOption(grpc.WithDefaultCallOptions(
grpc.MaxCallRecvMsgSize(math.MaxInt32))),
}
}
func defaultSessionsCallOptions() *SessionsCallOptions {
return &SessionsCallOptions{
DetectIntent: []gax.CallOption{
gax.WithRetry(func() gax.Retryer {
return gax.OnCodes([]codes.Code{
codes.Unavailable,
}, gax.Backoff{
Initial: 100 * time.Millisecond,
Max: 60000 * time.Millisecond,
Multiplier: 1.30,
})
}),
},
StreamingDetectIntent: []gax.CallOption{},
}
}
// SessionsClient is a client for interacting with Dialogflow API.
//
// Methods, except Close, may be called concurrently. However, fields must not be modified concurrently with method calls.
type SessionsClient struct {
// Connection pool of gRPC connections to the service.
connPool gtransport.ConnPool
// The gRPC API client.
sessionsClient dialogflowpb.SessionsClient
// The call options for this service.
CallOptions *SessionsCallOptions
// The x-goog-* metadata to be sent with each request.
xGoogMetadata metadata.MD
}
// NewSessionsClient creates a new sessions client.
//
// A session represents an interaction with a user. You retrieve user input
// and pass it to the DetectIntent (or
// StreamingDetectIntent) method to determine
// user intent and respond.
func NewSessionsClient(ctx context.Context, opts ...option.ClientOption) (*SessionsClient, error) {
clientOpts := defaultSessionsClientOptions()
if newSessionsClientHook != nil {
hookOpts, err := newSessionsClientHook(ctx, clientHookParams{})
if err != nil {
return nil, err
}
clientOpts = append(clientOpts, hookOpts...)
}
connPool, err := gtransport.DialPool(ctx, append(clientOpts, opts...)...)
if err != nil {
return nil, err
}
c := &SessionsClient{
connPool: connPool,
CallOptions: defaultSessionsCallOptions(),
sessionsClient: dialogflowpb.NewSessionsClient(connPool),
}
c.setGoogleClientInfo()
return c, nil
}
// Connection returns a connection to the API service.
//
// Deprecated.
func (c *SessionsClient) Connection() *grpc.ClientConn {
return c.connPool.Conn()
}
// Close closes the connection to the API service. The user should invoke this when
// the client is no longer required.
func (c *SessionsClient) Close() error {
return c.connPool.Close()
}
// setGoogleClientInfo sets the name and version of the application in
// the `x-goog-api-client` header passed on each request. Intended for
// use by Google-written clients.
func (c *SessionsClient) setGoogleClientInfo(keyval ...string) {
kv := append([]string{"gl-go", versionGo()}, keyval...)
kv = append(kv, "gapic", versionClient, "gax", gax.Version, "grpc", grpc.Version)
c.xGoogMetadata = metadata.Pairs("x-goog-api-client", gax.XGoogHeader(kv...))
}
// DetectIntent processes a natural language query and returns structured, actionable data
// as a result. This method is not idempotent, because it may cause contexts
// and session entity types to be updated, which in turn might affect
// results of future queries.
func (c *SessionsClient) DetectIntent(ctx context.Context, req *dialogflowpb.DetectIntentRequest, opts ...gax.CallOption) (*dialogflowpb.DetectIntentResponse, error) {
md := metadata.Pairs("x-goog-request-params", fmt.Sprintf("%s=%v", "session", url.QueryEscape(req.GetSession())))
ctx = insertMetadata(ctx, c.xGoogMetadata, md)
opts = append(c.CallOptions.DetectIntent[0:len(c.CallOptions.DetectIntent):len(c.CallOptions.DetectIntent)], opts...)
var resp *dialogflowpb.DetectIntentResponse
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.sessionsClient.DetectIntent(ctx, req, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}
// StreamingDetectIntent processes a natural language query in audio format in a streaming fashion
// and returns structured, actionable data as a result. This method is only
// available via the gRPC API (not REST).
func (c *SessionsClient) StreamingDetectIntent(ctx context.Context, opts ...gax.CallOption) (dialogflowpb.Sessions_StreamingDetectIntentClient, error) {
ctx = insertMetadata(ctx, c.xGoogMetadata)
opts = append(c.CallOptions.StreamingDetectIntent[0:len(c.CallOptions.StreamingDetectIntent):len(c.CallOptions.StreamingDetectIntent)], opts...)
var resp dialogflowpb.Sessions_StreamingDetectIntentClient
err := gax.Invoke(ctx, func(ctx context.Context, settings gax.CallSettings) error {
var err error
resp, err = c.sessionsClient.StreamingDetectIntent(ctx, settings.GRPC...)
return err
}, opts...)
if err != nil {
return nil, err
}
return resp, nil
}