app/controllers/comments_controller.rb


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# 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.

class CommentsController < ApplicationController
  default_search_scope :news
  model_object News
  before_filter :find_model_object
  before_filter :find_project_from_association
  before_filter :authorize

  def create
    raise Unauthorized unless @news.commentable?

    @comment = Comment.new
    @comment.safe_attributes = params[:comment]
    @comment.author = User.current
    if @news.comments << @comment
      flash[:notice] = l(:label_comment_added)
    end

    redirect_to news_path(@news)
  end

  def destroy
    @news.comments.find(params[:comment_id]).destroy
    redirect_to news_path(@news)
  end

  private

  # ApplicationController's find_model_object sets it based on the controller
  # name so it needs to be overriden and set to @news instead
  def find_model_object
    super
    @news = @object
    @comment = nil
    @news
  end
end

n class="o">].present?
      @author = User.active.find(params[:user_id])
    end

    @activity = Redmine::Activity::Fetcher.new(User.current, :project => @project,
                                                             :with_subprojects => @with_subprojects,
                                                             :author => @author)
    pref = User.current.pref
    @activity.scope_select {|t| !params["show_#{t}"].nil?}
    if @activity.scope.present?
      if params[:submit].present?
        pref.activity_scope = @activity.scope
        pref.save
      end
    else
      if @author.nil?
        scope = pref.activity_scope & @activity.event_types
        @activity.scope = scope.present? ? scope : :default
      else
        @activity.scope = :all
      end
    end

    events = @activity.events(@date_from, @date_to)

    if events.empty? || stale?(:etag => [@activity.scope, @date_to, @date_from, @with_subprojects, @author, events.first, events.size, User.current, current_language])
      respond_to do |format|
        format.html {
          @events_by_day = events.group_by {|event| User.current.time_to_date(event.event_datetime)}
          render :layout => false if request.xhr?
        }
        format.atom {
          title = l(:label_activity)
          if @author
            title = @author.name
          elsif @activity.scope.size == 1
            title = l("label_#{@activity.scope.first.singularize}_plural")
          end
          render_feed(events, :title => "#{@project || Setting.app_title}: #{title}")
        }
      end
    end

  rescue ActiveRecord::RecordNotFound
    render_404
  end

  private

  # TODO: refactor, duplicated in projects_controller
  def find_optional_project
    return true unless params[:id]
    @project = Project.find(params[:id])
    authorize
  rescue ActiveRecord::RecordNotFound
    render_404
  end
end