63 lines
2.1 KiB
Ruby
63 lines
2.1 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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posts = define_posts_query(session)
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if session.options[:id]
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posts = posts.filter(:posts__id => session.options[:id].to_i)
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return RouteNotFound if posts.empty?
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set_previous_and_next_post(session, posts)
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else
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if session.request.params['search']
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posts = load_fulltextsearch(session, posts)
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end
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set_page_information(session, posts)
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end
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session.options[:posts] = posts
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session.options[:render] = 'posts/index'
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end
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def self.define_posts_query(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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end
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# load posts depending on the pagination
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def self.set_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[:query][:per_page] = per_page if per_page
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session.options[:pages] = posts.count / per_page
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end
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# load a single posts and the ids of the next and previous posts
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def self.set_previous_and_next_post(session, 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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# adjust query to use fulltext search
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def self.load_fulltextsearch(session, posts)
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session.options[:query][:search] = session.request.params['search']
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posts.filter(
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'posts.search_field @@ to_tsquery(\'english\', ?)',
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session.request.params['search'].tr(' ', '&')
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)
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end
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end
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end
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