luis@328: class Authorship < ActiveRecord::Base
luis@1123:   unloadable
luis@1123: 
luis@328:   belongs_to :author
luis@328:   belongs_to :publication
luis@1123: 
luis@483:   accepts_nested_attributes_for :author
luis@483:   accepts_nested_attributes_for :publication
luis@686: 
luis@686:   validates_presence_of :name_on_paper
luis@1123: 
luis@1395:   attr_writer :search_author_id , :search_author_class
luis@1394:   attr_writer :search_author_tie
luis@1364: 
luis@1394:   ### attr_accessor :search_results, :identify_author
luis@1394:   ## attr_writer :search_author_class
luis@1394: 
luis@1395:   before_save :set_author
luis@1367:   before_update :delete_publication_cache
luis@591: 
luis@1363:   # tod: review scope of ordering
luis@1363:   acts_as_list :column => 'auth_order'
luis@1317: 
luis@1124:   # todo: review usage of scope --lf.20130108
luis@1123:   scope :like_unique, lambda {|q|
luis@601:     s = "%#{q.to_s.strip.downcase}%"
luis@601:     {:conditions => ["LOWER(name_on_paper) LIKE :s OR LOWER(email) LIKE :s", {:s => s}],
luis@601:      :order => 'name_on_paper',
luis@601:      :group => "name_on_paper, institution, email"
luis@601:     }
luis@601:   }
luis@601: 
luis@1124:   # todo: review usage of scope --lf.20130108
luis@1123:   scope :like, lambda {|q|
luis@591:     s = "%#{q.to_s.strip.downcase}%"
luis@601:     {:conditions => ["LOWER(name_on_paper) LIKE :s OR LOWER(email) LIKE :s", {:s => s}],
luis@591:      :order => 'name_on_paper'
luis@591:     }
luis@591:   }
luis@1123: 
luis@1394:   def search_author_class
luis@1394:     # Authorship must always have an Author
luis@1394:     # unless it hasn't been saved yet
luis@1394:     # using default setter (attr_writer)
luis@1394: 
luis@1394:     if self.author.nil?
luis@1397:       aclass = ""
luis@1394:     else
luis@1397:       aclass = "Author"
luis@1394:     end
luis@1395: 
luis@1397:     @search_author_class || aclass
luis@1394:   end
luis@1394: 
luis@1394:   def search_author_id
luis@1394:     if self.author.nil?
luis@1398:       authid = ""
luis@1394:     else
luis@1397:       authid = author_id
luis@1394:     end
luis@1397: 
luis@1397:     @search_author_id || authid
luis@1394:   end
luis@1394: 
luis@1394:   def search_author_tie
luis@1394:     if self.author.nil?
luis@1397:       auth_tie = false
luis@1394:     else
luis@1397:       auth_tie = true
luis@1394:     end
luis@1394: 
luis@1397:     @search_author_tie || auth_tie
luis@1394:   end
luis@1394: 
luis@592:   def name
luis@592:     return self.name_on_paper
luis@592:   end
luis@1123: 
luis@591:   def <=>(authorship)
luis@592:     name.downcase <=> authorship.name.downcase
luis@592:   end
luis@1123: 
luis@592:   def mail
luis@592:     return self.email
luis@591:   end
luis@1123: 
luis@1123:   protected
luis@1367: 
luis@1367:   def delete_publication_cache
luis@1367:     publication = Publication.find(self.publication_id)
luis@1367:     Rails.cache.delete "publication-#{publication.id}-ieee"
luis@1367:     Rails.cache.delete "publication-#{publication.id}-bibtex"
luis@1367:   end
luis@1367: 
luis@1395:   private
luis@1395: 
luis@1394:   def set_author
luis@1403:     # do we want to associate the authorship
luis@1403:     #  with an existing author/user?
luis@1403:     if @search_author_tie
luis@1403:       # if an author, simply associates with it
luis@1403:       # if an user, checks if it has already an author associated with it
luis@1403:       #   if so, associates with that author
luis@1403:       #   otherwise, creates a new author
luis@1394: 
luis@1403:       case @search_author_class
luis@1403:       when ""
luis@1403:         author = Author.new
luis@1403:         author.save
luis@1394: 
luis@1403:       when "User"
luis@1403:         user = User.find(@search_author_id)
luis@1394: 
luis@1403:         if user.author.nil?
luis@1403:           # User w/o author:
luis@1403:           # create new author and update user
luis@1403:           author = Author.new
luis@1403:           author.save
luis@1403:           user.author = author
luis@1403:           user.save
luis@1403:         else
luis@1403:           author = user.author
luis@1403:         end
luis@1403: 
luis@1403:       when "Author"
luis@1403:         author = Author.find(@search_author_id)
luis@1403:       end
luis@1403: 
luis@1403:     # if we don't want to associate with an existing author/user
luis@1403:     else
luis@1403:       # todo: should we delete any previously existing relationship?
luis@1366:       author = Author.new
luis@1366:       author.save
luis@1394:     end
luis@1366: 
luis@1394:     self.author = author
luis@518:   end
luis@328: end