a few examples of using the devver.net Caliper API

api_examples.rb

#This is a few examples of how to use the devver.net Caliper API
require 'cgi'
require "uri"
require "restclient"
require 'ruby-debug'
require 'json'


class CaliperAPI

  def initialize(api_url)
    @api_url = api_url
  end

  def get_community_metrics
    community_metrics_json = RestClient.get("#{@api_url}/metrics")
  end

  def get_projects
    projects_json = RestClient.get("#{@api_url}/projects")
  end

  def get_revisions
    revisions_json = RestClient.get("#{@api_url}/revisions")
  end

  def get_project(repo, with_build = false) 
    api_base = "#{@api_url}/projects"
    begin
      params = {"repo_url" => repo}
      params['start_build'] = 'true' if with_build
      response = RestClient.post(api_base, params)
      project  = JSON.parse(response)
    rescue RestClient::ResourceNotFound, RestClient::RequestFailed, Errno::ECONNREFUSED => error
      puts "error retrieving project #{error}"
      project = nil
    end
  end

  def run_project_revision(repo, revision = "HEAD")
    project = get_project(repo)
    if project
      response = RestClient.post(project['runs_url'], {"revision" => revision})
      result   = JSON.parse(response)
    end
  end

  def get_project_summary(repo)
    project = get_project(repo)
    if project
      metrics = RestClient.get("#{project['latest_revision_url']}/raw_metrics?trends=yes&summarize=yes")
      metrics_data = JSON.parse(metrics) if metrics
      metrics_data
    end
  end

  def get_project_summary_or_create_project(repo)
    project = get_project(repo)
    if project
      begin
        metrics = RestClient.get("#{project['latest_revision_url']}/raw_metrics?trends=yes&summarize=yes")
        metrics_data = JSON.parse(metrics) if metrics
      rescue RestClient::ResourceNotFound
        metrics_data = nil
        get_project(repo,true)
      end
    end
    metrics_data
  end

end


API_URL = 'http://api.devver.net'
api = CaliperAPI.new(API_URL)

#project = api.get_project('git://github.com/madrobby/textorize.git')
#puts project

#project = api.get_project('git://github.com/razerbeans/sinatra-template.git', true)
#puts project

#puts comm_metrics = api.get_community_metrics

#puts api.get_projects

#puts api.get_revisions

#puts api.get_project_summary('git://github.com/razerbeans/sinatra-template.git').inspect

#puts api.run_project_revision('git://github.com/zdzolton/cambric.git','bc1bae969c25a33ccd8be307ff9b9ec1e66041ae').inspect

data = api.get_project_summary_or_create_project('git://github.com/sinatra/sinatra.git')
puts data.inspect
puts "project lines of code: #{data['stats']['code_loc']}"

puts "done"