Class: DashFu::Mario::Github

Inherits:
Object
  • Object
show all
Includes:
DashFu::Mario
Defined in:
lib/dash-fu/marios/github.rb

Overview

Track Github commits, watchers and forks.

Instance Method Summary collapse

Methods included from DashFu::Mario

all, #description, #display, find, included, load_marios, #name, #register, #unregister

Instance Method Details

#meta(source) ⇒ Object 



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# File 'lib/dash-fu/marios/github.rb', line 90

def meta(source)
  meta = [ { :title=>"Repository", :text=>source["repo"], :url=>source["url"] },
           { :title=>"Branch", :text=>source["branch"] },
           { :text=>source["description"] },
           { :title=>"Home page", :url=>source["homepage"] } ]
  if last_commit = source["last_commit"]
    meta << { :title=>"Commit", :text=>last_commit["message"], :url=>last_commit["url"] }
  end
  meta
end

#setup(source, params) ⇒ Object 



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# File 'lib/dash-fu/marios/github.rb', line 6

def setup(source, params)
  repo = params["repo"].strip
  source["source.name"] = "Github: #{repo}"
  source["metric.columns"] = [{ :id=>"commits", :label=>"Commits" }, { :id=>"watchers", :label=>"Watchers" }, { :id=>"forks", :label=>"Forks" }]
  source["metric.totals"] = true
  source["repo"] = repo
  branch = params["branch"].strip
  source["branch"] = branch.blank? ? "master" : branch
  source["username"] = params["username"]
  source["api_token"] = params["api_token"]
end

#update(source, request, &block) ⇒ Object 



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# File 'lib/dash-fu/marios/github.rb', line 23

def update(source, request, &block)
  http = Net::HTTP.new("github.com", 443)
  http.use_ssl = true
  http.start do
    case response = http_request(http, source, "/api/v2/json/repos/show/:repo")
    when Net::HTTPOK
      json = JSON.parse(response.body)["repository"] rescue nil
    when Net::HTTPNotFound, Net::HTTPBadRequest
      raise "Could not find the repository #{source["repo"]}"
    when Net::HTTPUnauthorized
      raise "You are not authorized to access this repository, or invalid username/password"
    end
    if json
      source.update json.slice(*%w{description url homepage})
      block.call :set=>{ :forks=>json["forks"], :watchers=>json["watchers"] }
    else
      logger.error "Github: #{response.code} #{response.message}"
      error = true
    end

    case response = http_request(http, source, "/api/v2/json/commits/list/:repo/:branch")
    when Net::HTTPOK
      commits = JSON.parse(response.body)["commits"] rescue nil
    when Net::HTTPNotFound, Net::HTTPBadRequest
      raise "Could not find the branch #{source["branch"]}"
    end

    if commits
      last_seen_id = source["last_commit"]["id"] if source["last_commit"]
      if last_seen_id
        new_ones = commits.take_while { |commit| commit["id"] != last_seen_id }
        merged = new_ones.inject([]) do |all, commit|
          last = all.last.last unless all.empty?
          if last && last["committer"]["email"] == commit["committer"]["email"]
            all.last << commit
          else
            all << [commit]
          end
          all
        end

        merged.reverse.each do |commits|
          first = commits.first
          committer = first["committer"]
          person = { :fullname=>committer["name"], :identities=>%W{github.com:#{committer["login"]}}, :email=>committer["email"] }
          messages = commits.map { |commit| %{<blockquote><a href="#{commit["url"]}">#{commit["id"][0,7]}</a> #{h commit["message"].strip.split(/[\n\r]/).first[0,50]}</blockquote>} }
          html = %{pushed to #{h source["branch"]} at <a href="http://github.com/#{source["repo"]}">#{h source["repo"]}</a>:\n#{messages.join("\n")}}
          block.call :activity=>{ :uid=>first["id"], :html=>html, :url=>first["url"], :tags=>%w{push},
                                  :timestamp=>Time.parse(first["committed_date"]).utc, :person=>person }
        end
        block.call :inc=>{ :commits=>new_ones.count }
      else
        block.call :set=>{ :commits=>commits.count }
      end
      if last_commit = commits.first
        source.update "last_commit"=>last_commit.slice("id", "message", "url").
          merge("timestamp"=>Time.parse(last_commit["committed_date"]).utc)
      end
    else
      logger.error "Github: #{response.code} #{response.message}"
      error = true
    end

    raise "Last request didn't go as expected, trying again later" if error
  end
end

#validate(source) ⇒ Object 



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# File 'lib/dash-fu/marios/github.rb', line 18

def validate(source)
  raise "Missing repository name" if source["repo"].blank?
  raise "Need user name and repository name, e.g. assaf/vanity" unless source["repo"][/^[\w-]+\/[\w-]+$/]
end