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Improve trending projects finder

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Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>
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Dmitriy Zaporozhets 2015-08-26 22:43:04 +02:00
parent 6c23fd389f
commit c27c813311
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1 changed files with 13 additions and 5 deletions
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18
app/finders/trending_projects_finder.rb
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@ -2,13 +2,21 @@ class TrendingProjectsFinder
def execute(current_user, start_date = nil)
start_date ||= Date.today - 1.month
projects = projects_for(current_user)
# Determine trending projects based on comments count
# for period of time - ex. month
projects.joins(:notes).where('notes.created_at > ?', start_date).
select("projects.*, count(notes.id) as ncount").
group("projects.id").reorder("ncount DESC")
trending_project_ids = Note.
select("notes.project_id, count(notes.project_id) as pcount").
where('notes.created_at > ?', start_date).
group("project_id").
reorder("pcount DESC").
map(&:project_id)
sql_order_ids = trending_project_ids.reverse.
map { |project_id| "id = #{project_id}" }.join(", ")
# Get list of projects that user allowed to see
projects = projects_for(current_user)
projects.where(id: trending_project_ids).reorder(sql_order_ids)
end
private