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Rubygem for interacting with the DocumentCloud API
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 Dependencies

Development

~> 3.8

Runtime

 Project Readme

DocumentCloud RubyGem

Gem Version Build Status

Rubygem for interacting with the DocumentCloud API

Install

Add to your Gemfile

gem 'documentcloud', '~> 0.5.0'

Authentication

Ruby applications or Rails < 5.1

Use a gem like dotenv or manually add them:

$ DOCUMENTCLOUD_EMAIL='myemail@emailprovider.tld' \
DOCUMENTCLOUD_PASSWORD='my super secure password' \
ruby main.rb

You can then initialize using ENV['DOCUMENTCLOUD_EMAIL'] (and pass) in either client or for rails, an initializer:

Add file config/intializers/documentcloud.rb:

DocumentCloud.configure do |config|
  config.email = ENV['DOCUMENTCLOUD_EMAIL']
  config.password = ENV['DOCUMENTCLOUD_PASSWORD']
end

Rails >= 5.1

Add file config/intializers/documentcloud.rb:

DocumentCloud.configure do |config|
  config.email = Rails.application.credentials.documentcloud[:email]
  config.password = Rails.application.credentials.documentcloud[:password]
end
Rails 5.1

Add your documentcloud credentials using Rails 5.1 encrypted secrets

Rails 5.2

Add your documentcloud credentials using Rails 5.2 encrypted secrets

Search

All search results return Document objects that has methods and accessors for the information.

search = DocumentCloud.search('my query')

puts search.total # returns number of results

puts search.documents[0].pdf

Upload

You can upload a document by providing a ruby File object, or a string with the url to a file.

local_doc = DocumentCloud.upload(File.new('/my/file/path.pdf','rb'), 'My Document Title')

remote_doc = DocumentCloud.upload('http://somesite.com/file.pdf', 'Document Title')

Both return a document object which can then be used.

Objects

This gem creates several objects built from the JSON response in order to provide convenience methods and accessors.

Document

Document objects wrap any document JSON. They are returned in search results, upload, and document methods.

doc = DocumentCloud.document('1234-document-id')

# Accessors
doc.id
doc.title
doc.access
doc.pages
doc.description
doc.source
doc.canonical_url
doc.language
doc.display_langauge

# Methods
doc.pdf               # Full URL to pdf
doc.print_annotations
doc.related_article
doc.text              # Raw parsed text from document
doc.thumbnail         # Primary thumbnail of document
doc.entities          # Returns a hash of entities and their relevance

# Images
doc.image(page, size) # Returns the image of a page at the specified size

Search Results

SearchResults objects return information about the search, and an array of Document objects

results = DocumentCloud.search('my query')

results.total    # Total number of results
results.page     # The current results page. Used by specifying page param: DocumentCloud.search('my query', page: 2)
results.per_page # Number of results per page
results.query    # Query string

results.documents # Array of documents of results:

results.documents[0].title # First result title

Projects

Projects returns an array of Project objects which contain a list of Documents and metadata about the project.

projects = DocumentCloud.projects

project = projects.first

# Accessors
project.id
project.title
project.description
project.documents # Returns an array of Document objects

Entities

Entities takes a document id and returns a hash of entities, which include a value and relevance for each type of entity.

entities = DocumentCloud.entities(2072158)

# example output
{
  :person => [
    { :value => "Pita Sharples", :relevance => 0.112 }
  ],
  :organization => [
    { :value => "Māori Party", :relevance => 0.48 }
  ],
  :place => [],
  :term => [
    { :value => "finance costs", :relevance => 0.552 },
    { :value => "public services", :relevance => 0.526 }
  ],
  :email => [],
  :phone => [],
  :city => [],
  :state => [],
  :country => [
    { :value => "New Zealand", :relevance => 0.628 },
    { :value => "Australia", :relevance => 0.302 },
    { :value => "United States", :relevance => 0.295 },
    { :value => "United Kingdom", :relevance => 0.295 },
    { :value => "China", :relevance => 0.294 }
  ]
}

Information

DocumentCloud API info: http://www.documentcloud.org/help/api