SoundSoftware Code Site

# -*- coding: utf-8 -*-

# vendor/plugins/redmine_bibliography/app/controllers/publications_controller.rb

class BibtexParsingError < Exception; end

class PublicationsController < ApplicationController

  unloadable

  model_object Publication

  before_filter :find_model_object, :except => [:parse_bibtex, :new, :create, :index, :get_bibtex_required_fields, :autocomplete_for_project, :add_author, :sort_author_order, :autocomplete_for_author, :get_user_info ]

  before_filter :find_project_by_project_id, :authorize, :only => [ :edit, :new, :update, :create ]

  def new

    find_project_by_project_id

    @publication = Publication.new

    # we'll always want a new publication to have its bibtex entry

    @publication.build_bibtex_entry

    # and at least one author

    # @publication.authorships.build.build_author

    @author_options = [["#{User.current.name} (@#{User.current.mail.partition('@')[2]})", "#{User.current.class.to_s}_#{User.current.id.to_s}"]]

  end

  def parse_bibtex

    find_project_by_project_id

    @bibtex_paste = params[:bibtex_paste]

    begin

      bib = BibTeX.parse(@bibtex_paste)

      if bib.errors.present? or bib[0].class == NilClass

        raise BibtexParsingError, "Bibtex Parsing Error"

      end

      respond_to do |format|

        format.js {

          render(:update) {|page|

            flash[:notice] = "Correctly parsed BibTeX entry"

            bibtex_entry_no = BibtexEntryType.find_by_name(bib[0].type.to_s).id

            page["publication_title"].value = bib[0][:title]

            page["publication_bibtex_entry_attributes_entry_type"].value = bibtex_entry_no

            BibtexEntryType.fields(bibtex_entry_no).each do |field|

              page["publication_bibtex_entry_attributes_#{field}"].value = bib[0][field]

            end

            # for each author simulates a click and fills the author info

            bib[0].authors.each do |author|

              page["add_another_author"].click

#              page.alert(bib[0].authors.length)

#              page.alert(page["authors"].first.id)

            end

          }

        }

      end

    rescue BibtexParsingError => e

      logger.error { "Bibtex Parsing Error #{bib.errors}" }

      # todo: not showing... should be inside render?

      flash[:error] = e.message

      respond_to do |format|

       format.js{

         render(:update) {|page|

         }

       }

      end

    end

  end

  def create

    @project = Project.find(params[:project_id])

    @author_options = []

    @publication = Publication.new(params[:publication])

    @publication.projects << @project unless @project.nil?

    if @publication.save

      @publication.notify_authors_publication_added(@project)

      flash[:notice] = "Successfully created publication."

      redirect_to :action => :show, :id => @publication, :project_id => @project

    else

      render :action => 'new', :project_id => @project

    end

  end

  def index

    if !params[:project_id].nil?

      find_project_by_project_id

      @project = Project.find(params[:project_id])

      @publications = Publication.find :all, :joins => :projects, :conditions => ["project_id = ?", @project.id]

    else

      @publications = Publication.find :all

    end

  end

  def new_from_bibfile

    @publication.current_step = session[:publication_step]

    # contents of the paste text area

    bibtex_entry = params[:bibtex_entry]

    # method for creating "pasted" bibtex entries

    if bibtex_entry

      parse_bibtex_list bibtex_entry

    end

  end

  def get_bibtex_required_fields

    fields = BibtexEntryType.fields(params[:q])

    respond_to do |format|

      format.js {

        render(:update) {|page|

          if params[:q].empty?

            page << "hideOnLoad();"

          else

            page << "show_required_bibtex_fields(#{fields.to_json()});"

          end

        }

      }

    end

  end

  def add_author

    if (request.xhr?)

      render :text => User.find(params[:user_id]).name

    else

      # No?  Then render an action.

      #render :action => 'view_attribute', :attr => @name

      logger.error { "Error while adding Author to publication." }

    end

  end

  def edit

    find_project_by_project_id unless params[:project_id].nil?

    @edit_view = true;

    @publication = Publication.find(params[:id])

    @selected_bibtex_entry_type_id = @publication.bibtex_entry.entry_type

    @author_options = []

    @bibtype_fields = BibtexEntryType.fields(@selected_bibtex_entry_type_id)

  end

  def update

    @publication = Publication.find(params[:id])

    @author_options = []

    if @publication.update_attributes(params[:publication])

      flash[:notice] = "Successfully Updated Publication."

      if !params[:project_id].nil?

        redirect_to :action => :show, :id => @publication, :project_id => params[:project_id]

      else

        redirect_to :action => :show, :id => @publication

      end

    else

      render :action => 'edit'

    end

  end

  def show

    find_project_by_project_id unless params[:project_id].nil?

    if @publication.nil?

      @publications = Publication.all

      render "index", :alert => 'The publication was not found!'

    else

      @authors = @publication.authors

      @bibtext_entry = @publication.bibtex_entry

    end

  end

  # parse string with bibtex authors

  def parse_authors(authors_entry)

    # in bibtex the authors are always seperated by "and"

    return authors_entry.split(" and ")

  end

  # parses a list of bibtex

  def parse_bibtex_list(bibtex_list)

    bibliography = BibTeX.parse bibtex_list

    no_entries = bibliography.data.length

    # parses the bibtex entries

    bibliography.data.map do |d|

      if d.class == BibTeX::Entry

        create_bibtex_entry d

      end

    end

  end

  def create_bibtex_entry(d)

    @publication = Publication.new

    @bentry = BibtexEntry.new

    authors = []

    institution = ""

    email = ""

    d.fields.keys.map do |field|

      case field.to_s

      when "author"

        authors = parse_authors d[field]

      when "title"

        @publication.title = d[field]

      when "institution"

        institution = d[field]

      when "email"

        email = d[field]

      else

        @bentry[field] = d[field]

      end

    end

    @publication.bibtex_entry = @bentry

    @publication.save

    # what is this for???

    # @created_publications << @publication.id

    # need to save all authors

    #   and establish the author-publication association

    #   via the authorships table

    authors.each_with_index.map do |authorname, idx|

      author = Author.new(:name => authorname)

      if author.save!

        # todo: catch the errors...

        puts "SAVED"

      else

        puts "NOT SAVED"

      end

      author.authorships.create!(

      :publication => @publication,

      :institution => institution,

      :email => email,

      :order => idx)

    end

  end

  # parses the bibtex file

  def parse_bibtex_file

  end

  def import

    @publication = Publication.new

  end

  def autocomplete_for_project

    @publication = Publication.find(params[:id])

    @projects = Project.active.like(params[:q]).find(:all, :limit => 100) - @publication.projects

    logger.debug "Query for \"#{params[:q]}\" returned \"#{@projects.size}\" results"

    render :layout => false

  end

  def autocomplete_for_author

    @results = []

    object_id = params[:object_id]

    @object_name = "publications[authorships_attributes][#{object_id}][search_results]"

    # cc 20110909 -- revert to like instead of like_unique -- see #289

    authorships_list = Authorship.like(params[:q]).find(:all, :limit => 100)

    users_list = User.active.like(params[:q]).find(:all, :limit => 100)

    logger.debug "Query for \"#{params[:q]}\" returned \"#{authorships_list.size}\" authorships and \"#{users_list.size}\" users"

    @results = users_list

    # TODO: can be optimized…

    authorships_list.each do |authorship|

      flag = true

      users_list.each do |user|

        if authorship.name == user.name && authorship.email == user.mail && authorship.institution == user.institution

          Rails.logger.debug { "Rejecting Authorship #{authorship.id}" }

          flag = false

          break

        end

      end

      @results << authorship if flag

    end

    render :layout => false

  end

  def get_user_info

    object_id = params[:object_id]

    value = params[:value]

    classname = Kernel.const_get(value.split('_')[0])

    item = classname.find(value.split('_')[1])

    name_field = "publication_authorships_attributes_#{object_id}_name_on_paper".to_sym

    email_field = "publication_authorships_attributes_#{object_id}_email".to_sym

    institution_field = "publication_authorships_attributes_#{object_id}_institution".to_sym

    yes_radio = "publication_authorships_attributes_#{object_id}_identify_author_yes".to_sym

    respond_to do |format|

      format.js {

        render(:update) {|page|

          page[name_field].value = item.name

          page[email_field].value = item.mail

          page[institution_field].value = item.institution

          page[yes_radio].checked = true

          page[name_field].readOnly = true

          page[email_field].readOnly = true

          page[institution_field].readOnly = true

        }

      }

    end

  end

  def sort_author_order

    params[:authorships].each_with_index do |id, index|

      Authorship.update_all(['auth_order=?', index+1], ['id=?', id])

    end

    render :nothing => true

  end

  def add_project

    @projects = Project.find(params[:publication][:project_ids])

    @publication.projects << @projects

    @project = Project.find(params[:project_id])

    # TODO luisf should also respond to HTML???

    respond_to do |format|

      format.html { redirect_to :back }

      format.js {

        render(:update) {|page|

          page[:add_project_form].reset

          page.replace_html :list_projects, :partial => 'list_projects'

        }

      }

    end

  end

  def remove_project

    @project = Project.find(params[:project_id])

    proj = Project.find(params[:remove_project_id])

    if @publication.projects.length > 1

      if @publication.projects.exists? proj

        @publication.projects.delete proj if request.post?

      end

    else

      logger.error { "Cannot remove project from publication list" }

    end

    logger.error { "CURRENT project name#{proj.name} and wanna delete #{@project.name}" }

    render(:update) {|page|

      page.replace_html "list_projects", :partial => 'list_projects', :id  => @publication

    }

  end

  def destroy

    find_project_by_project_id

    @publication.destroy

    flash[:notice] = "Successfully deleted Publication."

    redirect_to :controller => :publications, :action => 'index', :project_id => @project

  end

  private

end