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typeform_data is a minimal, opinionated, OO client for the Typeform.com Data API with no runtime dependencies.
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 Dependencies

Development

~> 1.12
~> 8.2
~> 2.0
~> 5.0
~> 0.10
~> 0.8
~> 10.0
~> 0.47
 Project Readme

NOTE

Typeform has deprecated or will deprecate the Data API -- we suggest that you use the Responses API instead.

TypeformData

A Ruby gem and client for Typeform's Data API. Our documentation is available here.

Usage:

client = TypeformData::Client.new(api_key: 'YOUR_API_KEY')
typeforms = client.all_typeforms

typeform = typeforms.first
=> #<TypeformData::Typeform
 @config=#<TypeformData::Config @api_key="YOUR_API_KEY">,
 @id="TYPEFORM_ID",
 @name="TYPEFORM_NAME">

Fetching responses

all_complete_responses = typeform.responses(completed: true)

Unless you specify a limit, TypeformData::Typeform#responses will not paginate, and will make multiple AJAX requests as needed (the Data API only returns up to 1000 responses at a time) to fetch all the matching responses.

You can also specify any of the "Filtering Options" to pass along to the API call:

some_complete_responses = typeform.responses(limit: 500, offset: 2000, completed: true)
two_days_of_responses = typeform.responses(from: 1470143917, since: 1470316722)

Questions & answers

The response data you get back is represented using classes with defined relationships. All TypeformData::* objects should be treated as immutable.

typeform.responses.first.answers.first.typeform == typeform
=> true

typeform.fields.map(&:text)
=> ["What is your name?", "What are your favorite colors?", ...]

typeform.responses.first.answers.map { |answer| [answer.field_text, answer.value] }
=> [["What is your name?", "Foo Bar"], ["What are your favorite colors?", ["blue", "orange"]]]

Serialization & deserialization

TypeformData supports serialization via both Marshal and JSON. In either case, your API key will not be serialized, and we throw an error if you attempt to serialize a TypeformData::Client instance.

When using Marshal, TypeformData::Client#dump is just a pass-through to Marshal#dump, but Client#load will re-set your API key on each of the deserialized objects-- this ensures the object graph stays intact through the serialization and deserialization process.

serialized = client.dump(responses)
deserialized = client.load(serialized)

> deserialized == responses
=> true

> deserialized.first.typeform == responses.first.typeform
=> true

We do not yet support this sort of 'round-trip' serialization for JSON. PRs are welcome!

Error-handling

Unless you've encountered a bug, all exceptions raised by this gem should extend from TypeformData::Error. For the full exception hierarchy, see lib/typeform_data/errors.

If a HTTP request to Typeform fails with an error that we expect to be transient (e.g. a 503) we retry the HTTP request up to 3 times, after waiting 1, 2 and 4 seconds. If you'd prefer a fail-fast approach, send us a PR!

Currently, all 404 errors are retried. This is because Typeform occasionally returns a 404 while it's waiting to achieve consistency. For more, see lib/typeform_data/requestor.rb.

Logging

This gem logs error and warning messages to $stdout by default. If you want to log to elsewhere, or in a different format, you can pass in your own logger object (anything that implements the same interface as the default Ruby logger) like this:

TypeformData::Client.new(api_key: 'YOUR API KEY', logger: logger)

Notes on the API

So far, we've found Typeform's current Data API to be confusing. In particular, there are a couple design decisions that have been a source of friction for us:

  • Statements (which are sections of text in a Typeform, and can't be answered) and Hidden Fields (data passed into a form, and not provided by the user) are both included under the 'questions' key in the API's response JSON. From the perspective of a user, we don't think of these as "questions".
  • Each option in a "Picture choice" (and, IIRC "Multiple choice" as well, if multiple choices are allowed) is returned as its own "question" in the response JSON for questions and answers. We feel that it makes more sense to model these as multiple answers to one question, i.e. an Array-valued answer.

The main goal of this API wrapper is to encapsulate these implementation details and provide a more intuitive API for our application code. This means that our data model must deviate in specific places from the implicit data model expressed in the Data API's JSON responses. We're sacrificing consistency for a more intuitive client API.

Notes

  • At the moment, this gem has no runtime dependencies.
  • We've only tested this gem against Ruby 2.3. I'm not sure whether it works with older versions.
  • Under the hood, the object relationships are implemented by storing a reference to a config object containing your API key. This is what allows you to say answer.typeform.responses and ultimately make an API call originating from a TypeformData::Typeform::Answer without having to pass in a reference to a client or your API key (again). To avoid leaking your API key, make sure to clear out the @config reference if you add new serialization functionality! (We've already handled this for Marshal#dump.)

Installation

Add this line to your application's Gemfile:

gem 'typeform_data'

And then execute:

$ bundle

Development

After checking out the repo, run bin/setup to install dependencies. Then, run rake test to run the tests. You can also run bin/console for an interactive prompt that will allow you to experiment. To get started, you'll probably want to run something like:

TypeformData::Client.new(api_key: your_api_key).all_typeforms

Releasing 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/[USERNAME]/typeform_data. 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.