SoundSoftware Code Site

class Authorship < ActiveRecord::Base

  unloadable

  belongs_to :author

  belongs_to :publication

  accepts_nested_attributes_for :author

  accepts_nested_attributes_for :publication

  validates_presence_of :name_on_paper

  attr_writer :search_author_id, :search_author_class

  attr_writer :search_author_tie

  ### attr_accessor :search_results, :identify_author

  ## attr_writer :search_author_class

  before_create :set_author

  before_update :delete_publication_cache

  # tod: review scope of ordering

  acts_as_list :column => 'auth_order'

  # todo: review usage of scope --lf.20130108

  scope :like_unique, lambda {|q|

    s = "%#{q.to_s.strip.downcase}%"

    {:conditions => ["LOWER(name_on_paper) LIKE :s OR LOWER(email) LIKE :s", {:s => s}],

     :order => 'name_on_paper',

     :group => "name_on_paper, institution, email"

    }

  }

  # todo: review usage of scope --lf.20130108

  scope :like, lambda {|q|

    s = "%#{q.to_s.strip.downcase}%"

    {:conditions => ["LOWER(name_on_paper) LIKE :s OR LOWER(email) LIKE :s", {:s => s}],

     :order => 'name_on_paper'

    }

  }

  def search_author_class

    # Authorship must always have an Author

    # unless it hasn't been saved yet

    # using default setter (attr_writer)

    if self.author.nil?

      return ""

    else

      return "Author"

    end

  end

  def search_author_id

    if self.author.nil?

      return ""

    else

      return self.author_id

    end

  end

  def search_author_tie

    if self.author.nil?

      return false

    else

      return true

    end

  end

  def name

    return self.name_on_paper

  end

  def <=>(authorship)

    name.downcase <=> authorship.name.downcase

  end

  def mail

    return self.email

  end

  protected

  def delete_publication_cache

    publication = Publication.find(self.publication_id)

    Rails.cache.delete "publication-#{publication.id}-ieee"

    Rails.cache.delete "publication-#{publication.id}-bibtex"

  end

  def set_author

    # if an author, simply associates with it

    # if an user, checks if it has already an author associated with it

    # if so, assicoates with that author

    # otherwise, creates a new author

    logger.error { "%%%%%%%%%%%%%%% Associate Author User %%%%%%%%%%%%%%" }

    logger.error { "EU #{self.to_yaml}" }

    logger.error { "Class: #{search_author_class}" }

    logger.error { "ID #{search_author_id}" }

    case self.search_author_class

    when ""

      logger.debug { "Adding new author to the database." }

      author = Author.new

      author.save

    when "User"

      # get user id

      user = User.find(self.search_author_id)

      logger.error { "Found user with this ID: #{user.id}" }

      if user.author.nil?

        logger.error { "The user has no author... creating one!" }

        # User w/o author:

        # create new author and update user

        author = Author.new

        author.save

        user << author

      else

        logger.error { "found an author!" }

        author = user.author

      end

    when "Author"

      author = Author.find(self.search_author_id)

    end

    self.author = author

  end

end