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# -*- coding: utf-8 -*-
class ApplicationController < ActionController::Base
protect_from_forgery
before_filter :set_format
after_filter :xhtml
before_filter :get_include_user
def render_timeline(a = nil, &blk)
@items = a || blk.call
@items = @items.where("tweets.id <= ?", max_id) if max_id
@items = @items.where("tweets.id > ?", since_id) if since_id
if @force_page || page
@items = @items.page(page || 1).per(count)
else
@items = @items.limit(count)
end
render "shared/tweets"
end
# params
def page; get_int(params[:page], nil){|i| i > 0} end
def count; get_int(params[:count], 10){|i| (1..100) === i} end
def max_id; get_int(params[:max_id], nil){|i| i >= 0} end
def since_id; get_int(params[:since_id], nil){|i| i >= 0} end
def user_limit; get_int(params[:limit], 20){|i| i >= 0} end
def force_page
@force_page = true
end
def order
case params[:order]
when /^fav/
:favorite
when /^re?t/
:retweet
else
:default
end
end
private
def set_format
unless [:json, :html].include?(request.format.to_sym)
request.format = :html
end
end
def xhtml
if request.format == :html
response.content_type = "application/xhtml+xml"
# remove invalid charactors
response.body = response.body.gsub(/[\x0-\x8\xb\xc\xe-\x1f]/, "")
end
end
def get_include_user
@include_user ||= get_bool(params[:include_user])
end
def get_bool(str)
/^(t|true|1)$/ =~ str
end
def get_int(str, default = 0, &blk)
if str =~ /^[1-9]\d*$/
i = str.to_i
if !block_given? || blk.call(i)
return i
end
end
default
end
end
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