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# Redmine - project management software

# Copyright (C) 2006-2012  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 ActivitiesController < ApplicationController

  menu_item :activity

  before_filter :find_optional_project

  accept_rss_auth :index

  def index

    @days = Setting.activity_days_default.to_i

    if params[:from]

      begin; @date_to = params[:from].to_date + 1; rescue; end

    end

    @date_to ||= Date.today + 1

    @date_from = @date_to - @days

    @with_subprojects = params[:with_subprojects].nil? ? Setting.display_subprojects_issues? : (params[:with_subprojects] == '1')

    @author = (params[:user_id].blank? ? nil : User.active.find(params[:user_id]))

    @activity = Redmine::Activity::Fetcher.new(User.current, :project => @project,

                                                             :with_subprojects => @with_subprojects,

                                                             :author => @author)

    @activity.scope_select {|t| !params["show_#{t}"].nil?}

    @activity.scope = (@author.nil? ? :default : :all) if @activity.scope.empty?

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

    @institution_name = params[:institution]

    if !@institution_name.blank?

      events = events.select do |e|

        e.respond_to?(:event_author) and e.event_author and

          e.event_author.respond_to?(:ssamr_user_detail) and

          !e.event_author.ssamr_user_detail.nil? and

          e.event_author.ssamr_user_detail.institution_name == @institution_name

      end

      if events.empty?

        # We don't want to dump into the output any arbitrary string

        # from the URL that has no matching events

        @institution_name = ""

      end

    end

    if events.empty? || stale?(:etag => [@activity.scope, @date_to, @date_from, @with_subprojects, @author, @institution_name, 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