# app/controllers/admin_censor_rule_controller.rb:
# For modifying requests.
#
# Copyright (c) 2008 UK Citizens Online Democracy. All rights reserved.
# Email: francis@mysociety.org; WWW: http://www.mysociety.org/
#
# $Id: admin_censor_rule_controller.rb,v 1.4 2008-11-04 15:07:49 francis Exp $

class AdminCensorRuleController < ApplicationController
    layout "admin"
    before_filter :assign_http_auth_user

    def new
        @info_request = InfoRequest.find(params[:info_request_id])
    end

    def create
        params[:censor_rule][:last_edit_editor] = admin_http_auth_user()
        @censor_rule = CensorRule.new(params[:censor_rule])
        expire_for_request(@censor_rule.info_request)
        if @censor_rule.save
            expire_for_request(@censor_rule.info_request)
            flash[:notice] = 'CensorRule was successfully created.'
            redirect_to admin_url('request/show/' + @censor_rule.info_request.id.to_s)
        else
            render :action => 'new'
        end
    end

    def edit
        @censor_rule = CensorRule.find(params[:id])
    end

    def update
        params[:censor_rule][:last_edit_editor] = admin_http_auth_user()
        @censor_rule = CensorRule.find(params[:id])
        # expire before and after change, in case filename changes
        expire_for_request(@censor_rule.info_request)
        if @censor_rule.update_attributes(params[:censor_rule])
            expire_for_request(@censor_rule.info_request)
            flash[:notice] = 'CensorRule was successfully updated.'
            redirect_to admin_url('request/show/' + @censor_rule.info_request.id.to_s)
        else
            render :action => 'edit'
        end
    end
    
    def destroy
        censor_rule = CensorRule.find(params[:censor_rule_id])
        info_request = censor_rule.info_request

        # expire before and after change, in case filename changes
        expire_for_request(info_request)
        censor_rule.destroy
        expire_for_request(info_request)

        flash[:notice] = "CensorRule was successfully destroyed."

        redirect_to admin_url('request/show/' + info_request.id.to_s)
    end

 
    def expire_for_request(info_request)
        # So is using latest censor rules
        info_request.reload

        # clear out cached entries
        for incoming_message in info_request.incoming_messages
            for attachment in incoming_message.get_attachments_for_display
                expire_page :controller => 'request', :action => "get_attachment", :id => info_request.id,
                    :incoming_message_id => incoming_message.id, 
                    :part => attachment.url_part_number, :file_name => attachment.display_filename
                expire_page :controller => 'request', :action => "get_attachment_as_html", :id => info_request.id,
                    :incoming_message_id => incoming_message.id, 
                    :part => attachment.url_part_number, :file_name => attachment.display_filename
            end
        end
    end

    private

end