socialforge/app/helpers/attachments_helper.rb

# encoding: utf-8
#
# Redmine - project management software
# Copyright (C) 2006-2013  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.

module AttachmentsHelper
  # Displays view/delete links to the attachments of the given object
  # Options:
  #   :author -- author names are not displayed if set to false
  #   :thumbails -- display thumbnails if enabled in settings
  def link_to_attachments(container, options = {})
    options.assert_valid_keys(:author, :thumbnails)

    if container.attachments.any?
      options = {:deletable => container.attachments_deletable?, :author => true}.merge(options)
      render :partial => 'attachments/links',
        :locals => {:attachments => container.attachments, :options => options, :thumbnails => (options[:thumbnails] && Setting.thumbnails_enabled?)}
    end
  end
  
  def attach_delete(project)
    if User.current.logged? && (User.current.admin? || (!Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.nil? && (Member.where('user_id = ? and project_id = ?', User.current.id, project.bid.courses.first.id).first.roles&Role.where('id = ? or id = ?', 3, 7)).size >0) || project.user_id == User.current.id)
      true
    else
      false
    end
    
  end

  def render_api_attachment(attachment, api)
    api.attachment do
      api.id attachment.id
      api.filename attachment.filename
      api.filesize attachment.filesize
      api.content_type attachment.content_type
      api.description attachment.description
      api.content_url url_for(:controller => 'attachments', :action => 'download', :id => attachment, :filename => attachment.filename, :only_path => false)
      api.author(:id => attachment.author.id, :name => attachment.author.name) if attachment.author
      api.created_on attachment.created_on
    end
  end

  def link_to_memo_attachments(container, options = {})
    options.assert_valid_keys(:author, :thumbnails)

    if container.attachments.any?
      options = {:deletable => deletable?(container), :author => true}.merge(options)
      render :partial => 'attachments/links',
        :locals => {:attachments => container.attachments, :options => options, :thumbnails => (options[:thumbnails] && Setting.thumbnails_enabled?)}
    end
  end

  private

  def deletable? container, user=User.current
    User.current.logged? && (container.author == user || user.admin?)
  end
  
  def hadcommittedhomework(cur,curb)
    @attaches=HomeworkAttach.find_by_sql("select * from homework_attaches where(bid_id = #{curb})")
    @attaches.each do |attach|
      if attach.user_id == cur
        retrun true
      end
    end
  end

  # this method is used to get all projects that tagged one tag
  # added by william
  def get_attachments_by_tag(tag_name)
    Attachment.tagged_with(tag_name).order('created_on desc')
  end

end