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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.
module Redmine
module Activity
# Class used to retrieve activity events
class Fetcher
attr_reader :user, :project, :scope
# Needs to be unloaded in development mode
@@constantized_providers = Hash.new {|h,k| h[k] = Redmine::Activity.providers[k].collect {|t| t.constantize } }
def initialize(user, options={})
options.assert_valid_keys(:project, :with_subprojects, :author)
@user = user
@project = options[:project]
@options = options
@scope = event_types
end
# Returns an array of available event types
def event_types
return @event_types unless @event_types.nil?
@event_types = Redmine::Activity.available_event_types
@event_types = @event_types.select {|o| @project.self_and_descendants.detect {|p| @user.allowed_to?("view_#{o}".to_sym, p)}} if @project
@event_types
end
# Yields to filter the activity scope
def scope_select(&block)
@scope = @scope.select {|t| yield t }
end
# Sets the scope
# Argument can be :all, :default or an array of event types
def scope=(s)
case s
when :all
@scope = event_types
when :default
default_scope!
else
@scope = s & event_types
end
end
# Resets the scope to the default scope
def default_scope!
@scope = Redmine::Activity.default_event_types
end
# Returns an array of events for the given date range
# sorted in reverse chronological order
def events(from = nil, to = nil, options={})
e = []
@options[:limit] = options[:limit]
@scope.each do |event_type|
constantized_providers(event_type).each do |provider|
e += provider.find_events(event_type, @user, from, to, @options)
end
end
e.sort! {|a,b| b.event_datetime <=> a.event_datetime}
if options[:limit]
e = e.slice(0, options[:limit])
end
e
end
private
def constantized_providers(event_type)
@@constantized_providers[event_type]
end
end
end
end
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