Watson::Assistant

Ruby client library to use the IBM Watson Assistant service.

Installation

Add this line to your application's Gemfile:

gem 'watson-assistant'

And then execute:

$ bundle

Or install it yourself as:

$ gem install watson-assistant

Usage

You can use either USERNAME and PASSWORD or API KEY authentication.

(Username and Passowrd)

Set the Environment:

export USERNAME="***"
export PASSWORD="***"
export WORKSPACE_ID="***"

export REGION="gateway.watsonplatform.net" # Optional: Default region is "gateway.watsonplatform.net"

# You can select ruby hash or a redis server for managing users.
export STORAGE="hash" # Optional: Default storage is ruby hash.
# or
#export STORAG="redis://127.0.0.1:6379"

Send requests:

require 'watson/assistant'

manager = Watson::Assistant::Manager.new(
  username: ENV["USERNAME"],
  password: ENV["PASSWORD"],
  workspace_id: ENV["WORKSPACE_ID"],
  region: ENV["REGION"],
  storage: ENV["STORAGE"]
)

# Get a greet message from a assistant service.
puts response1 = manager.talk("user1", "")
#=> {user: user1, status_code: 200, output: [\"What would you like me to do?\"]}

# Get a response to a user's input.
puts response2 = manager.talk("user1", "I would like you to ...")
#=> {user: user1, status_code: 200, output: [\"I help you ...\"]}

# Check if the user exists
puts manager.has_key?("user1")

# Delete the user
puts manager.delete("user1")

(API KEY)

Set the Environment:

export APIKEY="***"
export WORKSPACE_ID="***"
export REGION="gateway.watsonplatform.net"
export STORAGE="hash"

Send requests:

require 'watson/assistant'

manager = Watson::Assistant::Manager.new(
  apikey: ENV["APIKEY"],
  workspace_id: ENV["WORKSPACE_ID"],
  region: ENV["REGION"],
  storage: ENV["STORAGE"]
)

puts response1 = manager.talk("user1", "")
puts response2 = manager.talk("user1", "I would like you to ...")

Advanced usage

Edit context variables

The SDK exposes the access to a context variable. You can edit a context variable. I The most common use cases to edit a context variable is that when you call cloud function nodes from Watson Assistant instances. You do not have to store credentials in the Watson Assistant workspace. Instead, pass them from the client application as part of context.

section = {"my_credentials"=> {
              "user": "user_for_calling_functions",
              "password": "password_for_calling_functions"
            }
          }

manager.update_context_section(user: "user1", key: "private", value: section))

Other use cases to operate a context variable

manager.read_context(user: "user1")
manager.read_context_section(user: "user1", key: "conversation_id"
manager.delete_context_section(user: "user1", key: "private")

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake spec to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment.

To install this gem onto your local machine, run bundle exec rake install. To release a new version, update the version number in version.rb, and then run bundle exec rake release, which will create a git tag for the version, push git commits and tags, and push the .gem file to rubygems.org.

Contributing

Bug reports and pull requests are welcome on GitHub at https://github.com/alpha-netzilla/watson-assistant. This project is intended to be a safe, welcoming space for collaboration, and contributors are expected to adhere to the Contributor Covenant code of conduct.

License

The gem is available as open source under the terms of the MIT License.

Authors

• http://alpha-netzilla.blogspot.com/