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August 29, 2015 13:56
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recommendations based on language, time, project
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| ######## This implementation takes one recent, one from same project, one from same language, but code is awful ######## | |
| recommended = [] | |
| user = post.user | |
| posts = user.posts.published.ordered | |
| #project | |
| recommended += posts.where(repository_id: post.repository_id).not_in(recommended.map(&:id) + [post.id]) | |
| #language | |
| match = nil | |
| post.languages.each do |language| | |
| break if (match = posts.where("? = ANY(languages)",language).not_in(recommended.map(&:id) + [post.id])) | |
| end | |
| recommended += match || [] | |
| #recent | |
| recommended << posts.not_in(recommended.map(&:id) + [post.id]).first | |
| recommended.compact! | |
| if recommended.length < 3 | |
| recommended << posts.not_in(recommended.map(&:id) + [post.id]).first | |
| end | |
| return recommended.compact |
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