VRFS-3316 : Review query method and spec to verify.

This commit is contained in:
Steven Miers 2015-07-20 20:33:20 -05:00
parent 74b8c81a8a
commit bd4b3380c2
2 changed files with 46 additions and 21 deletions

View File

@ -12,20 +12,40 @@ module JamRuby
validates :target_id, uniqueness: {scope: :user_id, message: "There is already a review for this User and Target."}
class << self
def index(options={})
if(options.key?(:include_deleted))
arel = Review.select("*")
else
arel = Review.where("deleted_at IS NULL")
end
if(options.key?(:target_id))
arel = arel.where("target_id=?", options[:target_id])
end
if(options.key?(:user_id))
arel = arel.where("user_id=?", options[:user_id])
end
arel
end
# Create review_summary records by grouping reviews
def reduce()
ReviewSummary.transaction do
ReviewSummary.destroy_all
Review.select("target_id, target_type AS target_type, AVG(rating) as avg_rating, count(*) as review_count, SUM(CASE WHEN rating>=3.0 THEN 1 ELSE 0 END) AS pos_count").group("target_type, target_id")
.each do |r|
#puts "Reducing reviews: #{r.inspect} #{r.pos_count} / #{r.review_count}"
ReviewSummary.create!(
target_id: r.target_id,
target_type: r.target_type,
avg_rating: r.avg_rating,
wilson_score: ci_lower_bound(r.pos_count, r.review_count),
review_count: r.review_count
)
Review.select("target_id, target_type AS target_type, AVG(rating) as avg_rating, count(*) as review_count, SUM(CASE WHEN rating>=3.0 THEN 1 ELSE 0 END) AS pos_count")
.where("deleted_at IS NULL")
.group("target_type, target_id")
.each do |r|
wilson_score=ci_lower_bound(r.pos_count, r.review_count)
ReviewSummary.create!(
target_id: r.target_id,
target_type: r.target_type,
avg_rating: r.avg_rating,
wilson_score: wilson_score,
review_count: r.review_count
)
end # each
end # transaction
end # reduce

View File

@ -53,12 +53,13 @@ describe Review do
review2 = Review.create(target:target, rating:5, user:FactoryGirl.create(:user))
review2.valid?.should be_true
Review.count.should eq(2)
Review.should have(2).items
Review.index.should have(2).items
# Reduce and check:
ReviewSummary.count.should eq(0)
ReviewSummary.should have(0).items
Review.reduce()
ReviewSummary.count.should eq(1)
ReviewSummary.should have(1).items
ReviewSummary.first.avg_rating.should eq(4.0)
puts "ORIG: #{ReviewSummary.all.inspect}"
@ -67,6 +68,8 @@ describe Review do
# Create some more and verify:
5.times {Review.create(target:target, rating:5, user:FactoryGirl.create(:user))}
Review.index.should have(7).items
Review.reduce()
ReviewSummary.first.wilson_score.should > ws_orig
@ -125,12 +128,12 @@ describe Review do
review.valid?.should be_true
review2 = Review.create(target:target, rating:5, user:FactoryGirl.create(:user))
review2.valid?.should be_true
Review.count.should eq(2)
Review.should have(2).items
# Reduce and check:
ReviewSummary.count.should eq(0)
ReviewSummary.should have(0).items
Review.reduce()
ReviewSummary.count.should eq(1)
ReviewSummary.should have(1).items
ReviewSummary.first.avg_rating.should eq(4.0)
puts "ORIG: #{ReviewSummary.all.inspect}"
@ -141,7 +144,7 @@ describe Review do
# Create some more and verify:
5.times {Review.create(target:target, rating:5, user:FactoryGirl.create(:user))}
Review.reduce()
ReviewSummary.count.should eq(1)
ReviewSummary.should have(1).items
ReviewSummary.first.wilson_score.should > ws_orig
ReviewSummary.first.avg_rating.should > avg_orig
@ -149,21 +152,23 @@ describe Review do
# Create some more with a different target and verify:
target2=FactoryGirl.create(:jam_track)
5.times {Review.create(target:target2, rating:5, user:FactoryGirl.create(:user))}
Review.index.should have(12).items
Review.index(target_id: target2).should have(5).items
Review.reduce()
summaries = ReviewSummary.index()
summaries.count.should eq(2)
summaries.should have(2).items
summaries[0].wilson_score.should > summaries[1].wilson_score
summaries = ReviewSummary.index(target_id: target2)
puts "MULTIPLE TARGET ALL: #{summaries.inspect}"
summaries.count.should eq(1)
summaries.should have(1).items
summaries[0].target_id.should eq(target2.id)
summaries = ReviewSummary.index(target_type: "JamRuby::JamTrack")
summaries.count.should eq(2)
summaries.should have(2).items
summaries = ReviewSummary.index(minimum_reviews: 6)
summaries.count.should eq(1)
summaries.should have(1).items
end
end
end