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Using the REST API with Ruby

Redmine REST API follows the Rails's RESTful conventions, so using it with ActiveResource is pretty straightforward.

ActiveResource (Rails)

On Redmine 3.x (Rails 4.2), you need to add 'activeresource' gem.
For example, at Gemfile.local:

gem 'activeresource'

Here is a simple ruby script that demonstrates how to use the Redmine REST API:

require 'rubygems'
require 'active_resource'

# Issue model on the client side
class Issue < ActiveResource::Base
  self.site = 'http://redmine.server/'
  self.user = 'foo'
  self.password = 'bar'
  # Or you can use the Redmine-API key
  # self.headers['X-Redmine-API-Key'] = 'baz'
end

if false
  # Retrieving issues
  issues = Issue.find(:all)
  puts issues.first.subject
end

# Retrieving an issue
issue = Issue.find(1)
puts issue.description
puts issue.author.name

# Creating an issue
issue = Issue.new(
  :subject => 'REST API',
  :assigned_to_id => 1,
  :project_id => 1
# custom field with id=2 exist in database
  :custom_fields => [{id: 2, value: "IT"}]
)
if issue.save
  puts issue.id
else
  puts issue.errors.full_messages
end

# Updating an issue
issue = Issue.find(1)
issue.subject = 'REST API'
issue.save

# Deleting an issue
issue = Issue.find(1)
#issue.destroy

You may need to set include_root_in_json = true in your ActiveResource class

Pure Ruby (Using only Ruby Core)

Here is an example to set the status of Issue #9599 to internal status_id 1 with a net/http PUT-request:

require 'net/https'
require 'uri'
require 'json'

def update_issue_status issue_id, new_status_id, change_note
  base_url = "https://your.redmine.example.com" 
  api_token = "xxxxxxxxxxxxxxx" 

  payload = {
    issue: {
      notes: change_note,
      status_id: new_status_id
    }
  }

  url = "#{base_url}/issues/#{issue_id}.json" 
  uri = URI.parse(url)
  req = Net::HTTP::Put.new(uri.request_uri)

  req["Content-Type"] = "application/json" 
  req['X-Redmine-API-Key'] = api_token
  req.body = payload.to_json

  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true
  response = http.request(req)
  return response
end

# Set Status of issue #9599 to internal status_id = 1
response = update_issue_status 9599, 1, "Changed Issue Status via REST-API" 

Updated by James Patrick over 7 years ago · 15 revisions