FIX: select appropriate period when redirecting to top

app/assets/javascripts/discourse/controllers/discovery/topics.js.es6

@@ -10,7 +10,7 @@ const controllerOpts = {
   canStar: Em.computed.alias('controllers.discovery/topics.currentUser.id'),
   showTopicPostBadges: Em.computed.not('controllers.discovery/topics.new'),
 
-  redirectedReason: Em.computed.alias('currentUser.redirected_to_top_reason'),
+  redirectedReason: Em.computed.alias('currentUser.redirected_to_top.reason'),
 
   order: 'default',
   ascending: false,

app/assets/javascripts/discourse/pre-initializers/dynamic-route-builders.js.es6

@@ -24,7 +24,7 @@ export default {
         willTransition: function() {
           this._super();
           Discourse.User.currentProp("should_be_redirected_to_top", false);
-          Discourse.User.currentProp("redirected_to_top_reason", null);
+          Discourse.User.currentProp("redirected_to_top.reason", null);
           return true;
         }
       }

app/assets/javascripts/discourse/routes/discovery.js.es6

@@ -15,7 +15,8 @@ const DiscoveryRoute = Discourse.Route.extend(OpenComposer, {
         transition.targetName.indexOf("discovery.top") === -1 &&
         Discourse.User.currentProp("should_be_redirected_to_top")) {
       Discourse.User.currentProp("should_be_redirected_to_top", false);
-      this.replaceWith("discovery.top");
+      const period = Discourse.User.currentProp("redirect_to_top.period") || "all";
+      this.replaceWith(`discovery.top${period.capitalize()}`);
     }
   },
 

app/jobs/regular/update_top_redirection.rb

@@ -3,8 +3,7 @@ module Jobs
   class UpdateTopRedirection < Jobs::Base
 
     def execute(args)
-      user = User.find_by(id: args[:user_id])
-      if user
+      if user = User.find_by(id: args[:user_id])
         user.update_column(:last_redirected_to_top_at, args[:redirected_at])
       end
     end

app/models/site_setting.rb

@@ -88,17 +88,6 @@ class SiteSetting < ActiveRecord::Base
     use_https? ? "https" : "http"
   end
 
-  def self.has_enough_topics_to_redirect_to_top
-    TopTopic.periods.each do |period|
-      topics_per_period = TopTopic.where("#{period}_score > 0")
-                                  .limit(SiteSetting.topics_per_period_in_top_page)
-                                  .count
-      return true if topics_per_period >= SiteSetting.topics_per_period_in_top_page
-    end
-    # nothing
-    false
-  end
-
   def self.default_categories_selected
     [
       SiteSetting.default_categories_watching.split("|"),
@@ -107,6 +96,15 @@ class SiteSetting < ActiveRecord::Base
     ].flatten.to_set
   end
 
+  def self.min_redirected_to_top_period
+    TopTopic.sorted_periods.each do |p|
+      period = p[0]
+      return period if TopTopic.topics_per_period(period) >= SiteSetting.topics_per_period_in_top_page
+    end
+    # not enough topics
+    nil
+  end
+
 end
 
 # == Schema Information

app/models/top_topic.rb

@@ -1,7 +1,15 @@
+require_dependency "distributed_memoizer"
+
 class TopTopic < ActiveRecord::Base
 
   belongs_to :topic
 
+  def self.topics_per_period(period)
+    DistributedMemoizer.memoize("#{Discourse.current_hostname}_topics_per_period_#{period}", 1.day) do
+      TopTopic.where("#{period}_score > 0").count
+    end.to_i
+  end
+
   # The top topics we want to refresh often
   def self.refresh_daily!
     transaction do
@@ -35,6 +43,10 @@ class TopTopic < ActiveRecord::Base
     @@periods ||= [:all, :yearly, :quarterly, :monthly, :weekly, :daily].freeze
   end
 
+  def self.sorted_periods
+    ascending_periods ||= Enum.new(:daily, :weekly, :monthly, :quarterly, :yearly, :all)
+  end
+
   def self.sort_orders
     @@sort_orders ||= [:posts, :views, :likes, :op_likes].freeze
   end

app/models/user.rb

@@ -698,26 +698,32 @@ class User < ActiveRecord::Base
   end
 
   def should_be_redirected_to_top
-    redirected_to_top_reason.present?
+    redirected_to_top.present?
   end
 
-  def redirected_to_top_reason
+  def redirected_to_top
     # redirect is enabled
     return unless SiteSetting.redirect_users_to_top_page
     # top must be in the top_menu
-    return unless SiteSetting.top_menu =~ /top/i
-    # there should be enough topics
-    return unless SiteSetting.has_enough_topics_to_redirect_to_top
+    return unless SiteSetting.top_menu =~ /(^|\|)top(\||$)/i
+    # not enough topics
+    return unless period = SiteSetting.min_redirected_to_top_period
 
     if !seen_before? || (trust_level == 0 && !redirected_to_top_yet?)
       update_last_redirected_to_top!
-      return I18n.t('redirected_to_top_reasons.new_user')
+      return {
+        reason: I18n.t('redirected_to_top_reasons.new_user'),
+        period: period
+      }
     elsif last_seen_at < 1.month.ago
       update_last_redirected_to_top!
-      return I18n.t('redirected_to_top_reasons.not_seen_in_a_month')
+      return {
+        reason: I18n.t('redirected_to_top_reasons.not_seen_in_a_month'),
+        period: period
+      }
     end
 
-    # no reason
+    # don't redirect to top
     nil
   end
 

app/serializers/current_user_serializer.rb

@@ -23,7 +23,7 @@ class CurrentUserSerializer < BasicUserSerializer
              :no_password,
              :can_delete_account,
              :should_be_redirected_to_top,
-             :redirected_to_top_reason,
+             :redirected_to_top,
              :disable_jump_reply,
              :custom_fields,
              :muted_category_ids,
@@ -81,8 +81,8 @@ class CurrentUserSerializer < BasicUserSerializer
     true
   end
 
-  def include_redirected_to_top_reason?
-    object.redirected_to_top_reason.present?
+  def include_redirected_to_top?
+    object.redirected_to_top.present?
   end
 
   def custom_fields