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# redMine - project management software

# Copyright (C) 2006-2007  Jean-Philippe Lang

#

# This program is free software; you can redistribute it and/or

# modify it under the terms of the GNU General Public License

# as published by the Free Software Foundation; either version 2

# of the License, or (at your option) any later version.

# 

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

# 

# You should have received a copy of the GNU General Public License

# along with this program; if not, write to the Free Software

# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class DocumentsController < ApplicationController

  default_search_scope :documents

  model_object Document

  before_filter :find_project, :only => [:index, :new]

  before_filter :find_model_object, :except => [:index, :new]

  before_filter :find_project_from_association, :except => [:index, :new]

  before_filter :authorize

  helper :attachments

  def index

    @sort_by = %w(category date title author).include?(params[:sort_by]) ? params[:sort_by] : 'category'

    documents = @project.documents.find :all, :include => [:attachments, :category]

    case @sort_by

    when 'date'

      @grouped = documents.group_by {|d| d.updated_on.to_date }

    when 'title'

      @grouped = documents.group_by {|d| d.title.first.upcase}

    when 'author'

      @grouped = documents.select{|d| d.attachments.any?}.group_by {|d| d.attachments.last.author}

    else

      @grouped = documents.group_by(&:category)

    end

    @document = @project.documents.build

    render :layout => false if request.xhr?

  end

  def show

    @attachments = @document.attachments.find(:all, :order => "created_on DESC")

  end

  def new

    @document = @project.documents.build(params[:document])    

    if request.post? and @document.save        

      attachments = Attachment.attach_files(@document, params[:attachments])

      render_attachment_warning_if_needed(@document)

      flash[:notice] = l(:notice_successful_create)

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

    end

  end

  def edit

    @categories = DocumentCategory.all

    if request.post? and @document.update_attributes(params[:document])

      flash[:notice] = l(:notice_successful_update)

      redirect_to :action => 'show', :id => @document

    end

  end  

  def destroy

    @document.destroy

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

  end

  def add_attachment

    attachments = Attachment.attach_files(@document, params[:attachments])

    render_attachment_warning_if_needed(@document)

    Mailer.deliver_attachments_added(attachments[:files]) if attachments.present? && attachments[:files].present? && Setting.notified_events.include?('document_added')

    redirect_to :action => 'show', :id => @document

  end

private

  def find_project

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

  rescue ActiveRecord::RecordNotFound

    render_404

  end

end