SoundSoftware Code Site

# vendor/plugins/redmine_bibliography/app/models/publication.rb

class Publication < ActiveRecord::Base

  unloadable

  has_many :authorships, :dependent => :destroy, :order => "auth_order ASC"

  has_many :authors, :through => :authorships, :uniq => true

  has_one :bibtex_entry, :dependent => :destroy

  validates_presence_of :title

  validates_length_of :authorships, :minimum => 1, :message => l("error_no_authors")

  accepts_nested_attributes_for :authorships

  accepts_nested_attributes_for :authors, :allow_destroy => true

  accepts_nested_attributes_for :bibtex_entry, :allow_destroy => true

  has_and_belongs_to_many :projects, :uniq => true

  before_save :set_initial_author_order

  scope :visible, lambda {|*args| { :include => :projects,

                                    :conditions => Project.allowed_to_condition(args.shift || User.current, :view_publication, *args) } }

  acts_as_activity_provider :type => 'publication',

                            :timestamp => "#{Publication.table_name}.created_at",

                            :find_options => {

                              :include => :projects,

                              :conditions => "#{Project.table_name}.id = projects_publications.project_id"

                            }

  acts_as_event :title => Proc.new {|o| o.title },

                :datetime => :created_at,

                :type => 'publications',

                :author => nil,

                #todo - need too move the cache from the helper to the model

                :description => Proc.new {|o| o.print_entry(:ieee)},

                :url => Proc.new {|o| {:controller => 'publications', :action => 'show', :id => o.id }}

  # Ensure error message uses proper text instead of

  # bibtex_entry.entry_type (#268).  There has to be a better way to

  # do this!

  def self.human_attribute_name(k)

    if k == 'bibtex_entry.entry_type'

      l(:field_entry_type)

    else

      super

    end

  end

  def notify_authors_publication_added(project)

    self.authors.each do |author|

      Rails.logger.debug { "Sending mail to \"#{self.title}\" publication authors." }

      Mailer.deliver_publication_added(author.user, self, project) unless author.user.nil?

    end

  end

  def notify_authors_publication_updated(project)

    self.authors.each do |author|

      Rails.logger.debug { "Sending mail to \"#{self.title}\" publication authors." }

      Mailer.deliver_publication_updated(author.user, self, project) unless author.user.nil?

    end

  end

  def set_initial_author_order

    authorships = self.authorships

    logger.debug { "Publication \"#{self.title}\" has #{authorships.size} authors." }

    authorships.each_with_index do |authorship, index|

      if authorship.auth_order.nil?

         authorship.auth_order = index

      end

    end

  end

  def print_bibtex_author_names

    # this authors are correctly sorted because the authorships model

    # already outputs the author names ASC by auth_order

    self.authorships.map{|a| a.name_on_paper}.join(' and ')

  end

  def print_entry(style)

    bib = BibTeX::Entry.new

    bib.author = self.print_bibtex_author_names

    bib.title = self.title

    self.bibtex_entry.attributes.keys.sort.each do |key|

      value = self.bibtex_entry.attributes[key].to_s

      next if key == 'id' or key == 'publication_id' or value == ""

      if key == "entry_type"

        bib.type = BibtexEntryType.find(self.bibtex_entry.entry_type).name

      else

        bib[key.to_sym] = value

      end

    end

    if style == :ieee

      CiteProc.process bib.to_citeproc, :style => :ieee, :format => :html

    else

      bibtex = bib.to_s :include => :meta_content

      bibtex.strip!

      logger.error { bibtex }

    end

  end

end