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Using the Basecamp API with Ruby
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README.rdoc

A Ruby library for working with the Basecamp web-services API.

For more information about the Basecamp web-services API, visit:

http://developer.37signals.com/basecamp

You can find the original code in:

http://developer.37signals.com/basecamp/basecamp.rb

NOTE: not all of Basecamp's web-services are accessible via REST. This library provides access to RESTful services via ActiveResource. Services not yet upgraded to REST are accessed via the Basecamp class. Continue reading for more details.

Installation

Install the gem

gem install basecamp

Include the system gems and require the library in your script

require 'rubygems'
require 'basecamp'

Dependencies

* activeresource >= 2.3.0
* xml-simple
* oauth2

Establishing a Connection

The first thing you need to do is establish a connection to Basecamp. This requires your Basecamp site address and your login credentials or API token.

Using username and password

Basecamp.establish_connection!('yoururl.basecamphq.com', 'username', 'password')

Using API token (My Info -> Show your tokens)

Basecamp.establish_connection!('yoururl.basecamphq.com', 'APITOKEN', 'X')

With a Basecamp account that use SSL (yoururl.basecamphq.com)

Basecamp.establish_connection!('yoururl.basecamphq.com', 'APITOKEN', 'X', true)

This is the same whether you're accessing using the ActiveResource interface, or the legacy interface.

Using the REST interface via ActiveResource

The REST interface is accessed via ActiveResource, a popular Ruby library that implements object-relational mapping for REST web-services. For more information on working with ActiveResource, see:

* http://api.rubyonrails.org/files/activeresource/README.html
* http://api.rubyonrails.org/classes/ActiveResource/Base.html

Finding a Resource

Find a specific resource using the find method. Attributes of the resource are available as instance methods on the resulting object. For example, to find a message with the ID of 8675309 and access its title attribute, you would do the following:

m = Basecamp::Message.find(8675309)
m.title # => 'Jenny'

To find all messages for a given project, use find(:all), passing the project_id as a parameter to find. Example:

messages = Basecamp::Message.find(:all, params => { :project_id => 1037 })
messages.size # => 25

To get the current logged in user:

Basecamp::Person.me

Note: You can access the API token using this object. This is useful if you only have username/password and you want to use the API token in future calls:

Basecamp::Person.me.token

To get all people by company:

Basecamp::Person.find(:all, :params => {:company_id => company.id})

To get all people by project:

Basecamp::Person.find(:all, :params => {:project_id => project.id})

Creating a Resource

Create a resource by making a new instance of that resource, setting its attributes, and saving it. If the resource requires a prefix to identify it (as is the case with resources that belong to a sub-resource, such as a project), it should be specified when instantiating the object. Examples:

m = Basecamp::Message.new(:project_id => 1037)
m.category_id = 7301
m.title = 'Message in a bottle'
m.body = 'Another lonely day, with no one here but me'
m.save # => true

c = Basecamp::Comment.new(:post_id => 25874)
c.body = 'Did you get those TPS reports?'
c.save # => true

You can also create a resource using the create method, which will create and save it in one step. Example:

Basecamp::TodoItem.create(:todo_list_id => 3422, :contents => 'Do it')

Updating a Resource

To update a resource, first find it by its id, change its attributes, and save it. Example:

m = Basecamp::Message.find(8675309)
m.body = 'Changed'
m.save # => true

Deleting a Resource

To delete a resource, use the delete method with the ID of the resource you want to delete. Example:

Basecamp::Message.delete(1037)

Attaching Files to a Resource

If the resource accepts file attachments, the attachments parameter should be an array of Basecamp::Attachment objects. Example:

f1 = File.open('primary.doc')
s1 = StringIO.new('a string')

a1 = Basecamp::Attachment.create('primary', f1)
a2 = Basecamp::Attachment.create('another', s1))

m = Basecamp::Message.new(:project_id => 1037)
...
m.attachments = [a1, a2]
m.save # => true

f1.close

Milestones

Is not implemented as an active resource, it uses the non-REST interface. Browse the source (lib/basecamp/resources/milestone) to see all available methods.

For example, to list all milestones in a project:

milestones = Basecamp::Milestone.list(1037)
milestones.first.title # => "The Milestone"

More about Todo Items

To access all todo items in a todo list:

Basecamp::TodoItem.find(:all, :params => { :todo_list_id => 3422 })

You can't access all todo items in a project with a single API call. So you have to do something like this:

def todo_items_on_project(project_id)
  todo_items = []
  todo_lists = TodoList.find(:all, :params => { :project_id => project_id })
  todo_lists.each do |todo_list|
    todo_items += TodoItem.find(:all, :params => { :todo_list_id => todo_list.id })
  end
  todo_items
end

Using the non-REST interface

You can access other resources not included in this wrapper yet using “record” and “records”.

person = Basecamp.record("/contacts/person/93832")
person.first_name # => "Jason"

people_in_company = Basecamp.records("person", "/contacts/people/85")
people_in_company.first.first_name # => "Jason"

Using json as the default format

By default the wrapper will use :xml for the active record connection but you can set :json as the default format:

Basecamp.establish_connection!('yoururl.basecamphq.com', 'APITOKEN', 'X', true, false)

Note: We recommend using xml. There are some API calls that don't behave well with json.

Contributors

  • jamesarosen

  • defeated

  • justinbarry

  • fmiopensource

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