sample41.rb

sample41.rb

GET request

get '/sample-41-how-to-set-callback-for-annotation-and-manage-user-rights' do
  haml :sample41
end

¶

POST request
```
post '/sample41/callback' do
  begin
```

Get callback request

    data = JSON.parse(request.body.read)
    serialized_data = JSON.parse(data['SerializedData'])

    raise 'Empty params!' if data.empty?

    file_guid = serialized_data['DocumentGuid']
    collaborator_guid = serialized_data['UserGuid']
    client_id = nil
    private_key = nil

Get private key and client_id from file user_info.txt

    if File.exist?("#{File.dirname(__FILE__)}/../public/user_info.txt")
      contents = File.read("#{File.dirname(__FILE__)}/../public/user_info.txt")
      contents = contents.split(' ')
      client_id = contents.first
      private_key = contents.last
    end
    status = nil
    if file_guid != '' and collaborator_guid != ''
      document = GroupDocs::Storage::File.new(:guid => file_guid).to_document

Get all collaborators for the document

      get_collaborator = document.collaborators!
      get_collaborator.each do |reviewer|

Set reviewer rights to view only

        reviewer.access_rights = %w(view)
      end

Make request to API to update reviewer rights

     status = document.set_reviewers! get_collaborator
    end

Create new file callback_info.txt and write the guid document

    out_file = File.new("#{File.dirname(__FILE__)}/../public/callback_info.txt", 'w')

White space is required

    out_file.write(status.nil? ? "Error" : "User rights was set to view only")
    out_file.close

  rescue Exception => e
    err = e.message
  end
end

POST request

post '/sample41/check_guid' do
  pp 'test'
  begin
    result = nil
    i = 0
    for i in 1..10
      i +=1

Check is downloads folder exist

      if File.exist?("#{File.dirname(__FILE__)}/../public/callback_info.txt")
        result = File.read("#{File.dirname(__FILE__)}/../public/callback_info.txt")
        if result != ''
         break
        end
      end
      sleep(3)
    end

Check result

    if result == 'Error'
      result = "File was not found. Looks like something went wrong."
    else
      result
    end

  rescue Exception => e
    err = e.message
  end
end

POST request

post '/sample-41-how-to-set-callback-for-annotation-and-manage-user-rights' do

Set variables

  set :client_id, params[:clientId]
  set :private_key, params[:privateKey]
  set :email, params[:email]
  set :source, params[:source]
  set :file_id, params[:fileId]
  set :url, params[:url]
  set :base_path, params[:basePath]
  set :callback, params[:callbackUrl]

Set download path

  downloads_path = "#{File.dirname(__FILE__)}/../public/downloads"

Remove all files from download directory or create folder if it not there

  if File.directory?(downloads_path)
    Dir.foreach(downloads_path) { |f| fn = File.join(downloads_path, f); File.delete(fn) if f != '.' && f != '..' }
    if File.exist?("#{File.dirname(__FILE__)}/../public/callback_info.txt")
      File.delete("#{File.dirname(__FILE__)}/../public/callback_info.txt")
    end
  else
    Dir::mkdir(downloads_path)
  end


  begin

Check required variables

    raise 'Please enter all required parameters' if settings.client_id.empty? or settings.private_key.empty? or settings.email.empty?

Prepare base path

    if settings.base_path.empty?
      base_path = 'https://api.groupdocs.com'
    elsif settings.base_path.match('/v2.0')
      base_path = settings.base_path.split('/v2.0')[0]
    else
      base_path = settings.base_path
    end

Configure your access to API server

    GroupDocs.configure do |groupdocs|
      groupdocs.client_id = settings.client_id
      groupdocs.private_key = settings.private_key

Optionally specify API server and version

      groupdocs.api_server = base_path # default is 'https://api.groupdocs.com'

    end

Write client and private key to the file for callback job

    if settings.callback
      out_file = File.new("#{File.dirname(__FILE__)}/../public/user_info.txt", 'w')

White space is required

      out_file.write("#{settings.client_id} ")
      out_file.write("#{settings.private_key}")
      out_file.close
    end

Get document by file GUID

    case settings.source
      when 'guid'

Create instance of File

        file = GroupDocs::Storage::File.new({:guid => settings.file_id})
      when 'local'

Construct path

        file_path = "#{Dir.tmpdir}/#{params[:file][:filename]}"

Open file

        File.open(file_path, 'wb') { |f| f.write(params[:file][:tempfile].read) }

Make a request to API using client_id and private_key

        file = GroupDocs::Storage::File.upload!(file_path, {})
      when 'url'

Upload file from defined url

        file = GroupDocs::Storage::File.upload_web!(settings.url)
      else
        raise 'Wrong GUID source.'
    end
    guid = file.guid

¶

Create document object
```
    document = file.to_document
```
¶

Set file sesion callback - will be trigered when user add, remove or edit commit for annotation
```
    session = document.set_session_callback! settings.callback
```

Get all users from accaunt

    users = GroupDocs::User.new.users!
    user_guid = nil

¶

Number of collaborators
```
    number = Array.new
    if users
```
¶

Pass of each email
```
      settings.email.each do |email|
```

Pass of each user and get user GUID if user with same email already exist

        users.map do |user|
           if user.primary_email == email

Get user GUID

             user_guid = user.guid
             break
           end
        end

¶

Check is user with entered email was founded in GroupDocs account, if not user will be created
```
        if user_guid.nil?
```
¶

Create new User object
```
          userNew = GroupDocs::User.new
```

Set email as entered email

          userNew.primary_email = settings.email

Set first name as entered first name

          userNew.firstname = settings.email

Set last name as entered last name

          userNew.lastname = settings.email

Set roles

          userNew.roles = [{:id => '3', :name => 'User'}]

Update account

          new_user = GroupDocs::User.update_account!(userNew)

Get user GUID

          user_guid = new_user.guid
        end

Get all collaborators for current document

        collaborators = document.collaborators!

        if collaborators

Pass of each collaborator

          collaborators.map do |collaborator|

Check is user with entered email already in collaborators

            if collaborator.primary_email == email
              number << collaborator.guid
            end
          end
        end
      end

Delete empty email

      if settings.email[1].empty? then settings.email.delete("") end

Add user as collaborators for the document

      document.set_collaborators! settings.email if number.size < 2

Add user GUID as “uid” parameter to the iframe URL

      iframe = "/document-annotation2/embed/#{file.guid}?uid=#{user_guid}"

Construct result string

      url = GroupDocs::Api::Request.new(:path => iframe).prepare_and_sign_url

Generate iframe URL

      case base_path
        when 'https://stage-api-groupdocs.dynabic.com'
          iframe = "https://stage-api-groupdocs.dynabic.com#{url}"
        when 'https://dev-api-groupdocs.dynabic.com'
          iframe = "https://dev-apps.groupdocs.com#{url}"
        else
          iframe = "https://apps.groupdocs.com#{url}"
      end

      iframe = "<iframe src='#{iframe}' id='downloadframe' width='800' height='1000'></iframe>"
    end


  rescue Exception => e
    err = e.message
  end

Set variables for template

  haml :sample41, :locals => {:userId => settings.client_id, :fileId => settings.file_id, :privateKey => settings.private_key, :iframe => iframe, :callbackUrl => settings.callback, :err => err}
end