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Debugging Tool for Hot Topics

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This commit is contained in:
Robin Ward
2013-04-02 16:52:51 -04:00
parent 161fdcb364
commit ee76f1926d
16 changed files with 244 additions and 42 deletions
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61
app/models/hot_topic.rb
View File

@@ -18,9 +18,23 @@ class HotTopic < ActiveRecord::Base
no_old_in_first_x_rows = 8 # don't show old results in the first x rows
# Include all sticky uncategorized on Hot
exec_sql("INSERT INTO hot_topics (topic_id, score)
SELECT t.id, RANDOM()
exec_sql("INSERT INTO hot_topics (topic_id,
random_bias,
random_multiplier,
days_ago_bias,
days_ago_multiplier,
score,
hot_topic_type)
SELECT t.id,
calc.random_bias,
1.0,
0,
1.0,
calc.random_bias,
1
FROM topics AS t
INNER JOIN (SELECT id, RANDOM() as random_bias
FROM topics) AS calc ON calc.id = t.id
WHERE t.deleted_at IS NULL
AND t.visible
AND (NOT t.archived)
@@ -28,12 +42,27 @@ class HotTopic < ActiveRecord::Base
AND t.category_id IS NULL")
# Include high percentile recent topics
inserted_count = exec_sql("INSERT INTO hot_topics (topic_id, category_id, score)
inserted_count = exec_sql("INSERT INTO hot_topics (topic_id,
category_id,
random_bias,
random_multiplier,
days_ago_bias,
days_ago_multiplier,
score,
hot_topic_type)
SELECT t.id,
t.category_id,
((1.0 - (EXTRACT(EPOCH FROM CURRENT_TIMESTAMP-t.created_at)/86400) / :days_ago) * 0.95) +
(RANDOM() * 0.05)
calc.random_bias,
0.05,
calc.days_ago_bias,
0.95,
(calc.random_bias * 0.05) + (days_ago_bias * 0.95),
2
FROM topics AS t
INNER JOIN (SELECT id,
RANDOM() as random_bias,
((1.0 - (EXTRACT(EPOCH FROM CURRENT_TIMESTAMP-created_at)/86400) / :days_ago) * 0.95) AS days_ago_bias
FROM topics) AS calc ON calc.id = t.id
WHERE t.deleted_at IS NULL
AND t.visible
AND (NOT t.closed)
@@ -56,16 +85,26 @@ class HotTopic < ActiveRecord::Base
max_old_score = HotTopic.order('score desc').limit(no_old_in_first_x_rows).last.score
end
# Add a sprinkling of random older topics
exec_sql("INSERT INTO hot_topics (topic_id, category_id, score)
exec_sql("INSERT INTO hot_topics (topic_id,
category_id,
random_bias,
random_multiplier,
days_ago_bias,
days_ago_multiplier,
score,
hot_topic_type)
SELECT t.id,
t.category_id,
RANDOM() * :max_old_score
calc.random_bias,
:max_old_score,
0,
1.0,
calc.random_bias * :max_old_score,
3
FROM topics AS t
INNER JOIN (SELECT id, RANDOM() as random_bias
FROM topics) AS calc ON calc.id = t.id
WHERE t.deleted_at IS NULL
AND t.visible
AND (NOT t.closed)

1
app/models/topic.rb
View File

@@ -55,6 +55,7 @@ class Topic < ActiveRecord::Base
# When we want to temporarily attach some data to a forum topic (usually before serialization)
attr_accessor :user_data
attr_accessor :posters # TODO: can replace with posters_summary once we remove old list code
attr_accessor :topic_list
# The regular order

10
app/models/topic_list.rb
View File

@@ -3,9 +3,14 @@ require_dependency 'avatar_lookup'
class TopicList
include ActiveModel::Serialization
attr_accessor :more_topics_url, :draft, :draft_key, :draft_sequence
attr_accessor :more_topics_url,
:draft,
:draft_key,
:draft_sequence,
:filter
def initialize(current_user, topics)
def initialize(filter, current_user, topics)
@filter = filter
@current_user = current_user
@topics_input = topics
end
@@ -30,6 +35,7 @@ class TopicList
@topics.each do |ft|
ft.user_data = @topic_lookup[ft.id] if @topic_lookup.present?
ft.posters = ft.posters_summary(ft.user_data, @current_user, avatar_lookup: avatar_lookup)
ft.topic_list = self
end
return @topics