50 lines
1.7 KiB
Ruby
50 lines
1.7 KiB
Ruby
module Routes
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class Post < Controller
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PREV_AND_NEXT_QUERY = <<SQL
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select (
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select id from posts where written < ? and released order by written desc limit 1
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) older,
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(
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select id from posts where written > ? and released order by written limit 1
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) younger
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SQL
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def self.get(session)
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define_posts(session)
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session.options[:render] = 'posts/index'
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end
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def self.define_posts(session)
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posts = DB[:posts].
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filter(:released => true).
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select(:posts__id___post_id, :written, :title, :content, :username).
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join(:accounts, :id___account_id => :account_id).
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reverse_order(:written, :posts__id)
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# return when a single posts has to be shown
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return load_previous_and_next_post(session, posts) if session.options[:id]
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load_page_information(session, posts)
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end
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def self.load_page_information(session, posts)
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# compute pages
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page = session.request.params['page'].to_i
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session.options[:page] = page if page
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per_page = session.request.params['per_page'].to_i
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per_page = 10 if per_page < 1
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session.options[:per_page] = per_page if per_page
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session.options[:pages] = DB[:posts].filter(:released => true).count / per_page
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# fetch the posts to show
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session.options[:posts] = posts.limit(per_page, page * per_page)
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end
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def self.load_previous_and_next_post(session, posts)
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posts = posts.filter(:posts__id => session.options[:id].to_i)
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session.options[:posts] = posts
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written = posts.first[:written]
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session.options[:post_ids_pn] = DB[PREV_AND_NEXT_QUERY, written, written].first
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end
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end
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end
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