impress/app/controllers/items_controller.rb

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class ItemsController < ApplicationController
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before_filter :set_query
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def index
if params.has_key?(:q)
begin
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if params[:per_page]
per_page = params[:per_page].to_i
per_page = 50 if per_page && per_page > 50
else
per_page = nil
end
@results = Item.search(@query).alphabetize.paginate :page => params[:page], :per_page => per_page
respond_to do |format|
format.html { render }
format.js { render :json => {:items => @results, :total_pages => @results.total_pages}, :callback => params[:callback] }
end
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rescue
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respond_to do |format|
format.html { flash.now[:error] = $!.message }
format.js { render :json => {:error => $!.message}, :callback => params[:callback] }
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end
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end
else
respond_to do |format|
format.html { render }
format.js { render :json => {:error => '$q required'}}
end
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end
end
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def show
@item = Item.find params[:id]
end
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private
def set_query
@query = params[:q]
end
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end