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response.go
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response.go
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// Copyright (c) 2020 InfraCloud Technologies
//
// 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 activity
import (
"fmt"
"net/url"
"path"
"github.com/infracloudio/msbotbuilder-go/connector/client"
"github.com/infracloudio/msbotbuilder-go/schema"
"github.com/pkg/errors"
)
// Response provides functionalities to send activity to the connector service.
type Response interface {
SendActivity(activity schema.Activity) error
DeleteActivity(activity schema.Activity) error
UpdateActivity(activity schema.Activity) error
}
const (
// APIVersion for response URLs
APIVersion = "v3"
sendToConversationURL = "/%s/conversations/%s/activities"
activityResourceURL = "/%s/conversations/%s/activities/%s"
)
// DefaultResponse is the default implementation of Response.
type DefaultResponse struct {
Client client.Client
}
// DeleteActivity sends a Delete activity method to the BOT connector service.
func (response *DefaultResponse) DeleteActivity(activity schema.Activity) error {
u, err := url.Parse(activity.ServiceURL)
if err != nil {
return errors.Wrapf(err, "Failed to parse ServiceURL %s.", activity.ServiceURL)
}
respPath := fmt.Sprintf(activityResourceURL, APIVersion, activity.Conversation.ID, activity.ID)
// Send activity to client
u.Path = path.Join(u.Path, respPath)
err = response.Client.Delete(*u, activity)
return errors.Wrap(err, "Failed to delete response.")
}
// SendActivity sends an activity to the BOT connector service.
func (response *DefaultResponse) SendActivity(activity schema.Activity) error {
u, err := url.Parse(activity.ServiceURL)
if err != nil {
return errors.Wrapf(err, "Failed to parse ServiceURL %s.", activity.ServiceURL)
}
respPath := fmt.Sprintf(sendToConversationURL, APIVersion, activity.Conversation.ID)
// if ReplyToID is set in the activity, we send reply to that particular activity
if activity.ReplyToID != "" {
respPath = fmt.Sprintf(activityResourceURL, APIVersion, activity.Conversation.ID, activity.ID)
}
// Send activity to client
u.Path = path.Join(u.Path, respPath)
err = response.Client.Post(*u, activity)
return errors.Wrap(err, "Failed to send response.")
}
// UpdateActivity sends a Put activity method to the BOT connector service.
func (response *DefaultResponse) UpdateActivity(activity schema.Activity) error {
u, err := url.Parse(activity.ServiceURL)
if err != nil {
return errors.Wrapf(err, "Failed to parse ServiceURL %s.", activity.ServiceURL)
}
respPath := fmt.Sprintf(activityResourceURL, APIVersion, activity.Conversation.ID, activity.ID)
// Send activity to client
u.Path = path.Join(u.Path, respPath)
err = response.Client.Put(*u, activity)
return errors.Wrap(err, "Failed to update response.")
}
// NewActivityResponse provides a DefaultResponse implementaton of Response.
func NewActivityResponse(connectorClient client.Client) (Response, error) {
if connectorClient == nil {
return nil, errors.New("Invalid connector client for ActivityResponse")
}
return &DefaultResponse{connectorClient}, nil
}