mackuba.eu
+22
Rakefile
+22
Rakefile
···
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end
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end
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end
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desc "Delete posts older than N days that aren't included in a feed"
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task :cleanup_posts do
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days = ENV['DAYS'].to_i
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if days <= 0
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puts "Please specify number of days as e.g. DAYS=30 to delete posts older than that"
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exit 1
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end
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result = ActiveRecord::Base.connection.execute("SELECT DATETIME('now', '-#{days} days') AS time_limit")
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time_limit = result.first['time_limit']
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subquery = %{
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SELECT posts.id FROM posts
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LEFT JOIN feed_posts ON (feed_posts.post_id = posts.id)
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WHERE feed_posts.id IS NULL AND posts.time < DATETIME('now', '-#{days} days')
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}
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result = Post.where("id IN (#{subquery})").delete_all
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puts "Deleted #{result} posts older than #{time_limit}"
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end