FEATURE: don't demote trust level 3 users who were promoted less than SiteSetting.leader_promotion_min_duration days ago

app/assets/javascripts/admin/templates/user_leader_requirements.js.handlebars

@@ -86,9 +86,6 @@
       {{/unless}}
     {{else}}
       <i class="fa fa-times"></i> {{i18n admin.user.tl3_requirements.does_not_qualify}}
-      {{#if isLeader}}
-        {{i18n admin.user.tl3_requirements.will_be_demoted}}
-      {{/if}}
     {{/if}}
   </p>
 </div>

app/jobs/scheduled/leader_promotions.rb

@@ -7,6 +7,13 @@ module Jobs
       # Demotions
       demoted_user_ids = []
       User.real.where(trust_level: TrustLevel.levels[:leader]).find_each do |u|
+        # Don't demote too soon after being promoted
+        next if UserHistory.for(u, :auto_trust_level_change)
+                           .where('created_at >= ?', SiteSetting.leader_promotion_min_duration.to_i.days.ago)
+                           .where(previous_value: TrustLevel.levels[:regular].to_s)
+                           .where(new_value: TrustLevel.levels[:leader].to_s)
+                           .exists?
+
         unless Promotion.leader_met?(u)
           demoted_user_ids << u.id
           Promotion.new(u).change_trust_level!(:regular)

app/models/user_history.rb

@@ -25,7 +25,8 @@ class UserHistory < ActiveRecord::Base
                            :unsuspend_user,
                            :facebook_no_email,
                            :grant_badge,
-                           :revoke_badge)
+                           :revoke_badge,
+                           :auto_trust_level_change)
   end
 
   # Staff actions is a subset of all actions, used to audit actions taken by staff users.

config/locales/client.en.yml

@@ -1829,7 +1829,6 @@ en:
           qualifies: "Qualifies for trust level 3."
           will_be_promoted: "Will be promoted within 24 hours."
           does_not_qualify: "Doesn't qualify for trust level 3."
-          will_be_demoted: "Will be demoted within 24 hours."
 
       site_content:
         none: "Choose a type of content to begin editing."

config/locales/server.en.yml

@@ -816,6 +816,7 @@ en:
     leader_requires_topics_viewed_all_time: "The minimum total number of topics a user must have viewed to qualify for leader (3) trust level."
     leader_requires_posts_read_all_time: "The minimum total number of posts a user must have read to qualify for leader (3) trust level."
     leader_requires_max_flagged: "User must not have had more than x posts flagged by x different users in the last 100 days to qualify for promotion to leader (3) trust level, where x is this setting's value. (0 or higher)"
+    leader_promotion_min_duration: "The minimum number of days that a promotion to leader lasts before a user can be demoted."
 
     min_trust_to_create_topic: "The minimum trust level required to create a new topic."
 

config/site_settings.yml

@@ -483,6 +483,9 @@ trust:
   leader_requires_max_flagged:
     default: 5
     min: 0
+  leader_promotion_min_duration:
+    default: 14
+    min: 0
 
 security:
   use_https: false

lib/promotion.rb

@@ -62,6 +62,11 @@ class Promotion
     @user.transaction do
       if admin
         StaffActionLogger.new(admin).log_trust_level_change(@user, old_level, new_level)
+      else
+        UserHistory.create!( action: UserHistory.actions[:auto_trust_level_change],
+                             target_user_id: @user.id,
+                             previous_value: old_level,
+                             new_value: new_level)
       end
       @user.save!
       @user.user_profile.recook_bio

spec/components/promotion_spec.rb

@@ -118,6 +118,12 @@ describe Promotion do
           promotion.review_regular
         }.to_not change { user.reload.trust_level }
       end
+
+      it "doesn't log a trust level change" do
+        expect {
+          promotion.review_regular
+        }.to_not change { UserHistory.count }
+      end
     end
 
     context "qualifies for promotion" do
@@ -133,6 +139,12 @@ describe Promotion do
         promotion.review_regular.should == true
         user.reload.trust_level.should == TrustLevel.levels[:leader]
       end
+
+      it "logs a trust level change" do
+        expect {
+          promotion.review_regular
+        }.to change { UserHistory.where(action: UserHistory.actions[:auto_trust_level_change]).count }.by(1)
+      end
     end
   end
 

spec/jobs/leader_promotions_spec.rb

@@ -19,10 +19,38 @@ describe Jobs::LeaderPromotions do
     run_job
   end
 
-  it "demotes tl3 user who doesn't qualify for tl3 anymore" do
-    tl3_user = Fabricate(:user, trust_level: TrustLevel.levels[:leader])
+  context "tl3 user who doesn't qualify for tl3 anymore" do
+    def create_leader_user
+      user = Fabricate(:user, trust_level: TrustLevel.levels[:regular])
+      LeaderRequirements.any_instance.stubs(:requirements_met?).returns(true)
+      Promotion.new(user).review_regular.should == true
+      user
+    end
+
+    before do
+      SiteSetting.stubs(:leader_promotion_min_duration).returns(3)
+    end
+
+    it "demotes if was promoted more than X days ago" do
+      user = nil
+      Timecop.freeze(4.days.ago) do
+        user = create_leader_user
+      end
+
       LeaderRequirements.any_instance.stubs(:requirements_met?).returns(false)
-    Promotion.any_instance.expects(:change_trust_level!).with(:regular, anything).once
       run_job
+      user.reload.trust_level.should == TrustLevel.levels[:regular]
+    end
+
+    it "doesn't demote if user was promoted recently" do
+      user = nil
+      Timecop.freeze(1.day.ago) do
+        user = create_leader_user
+      end
+
+      LeaderRequirements.any_instance.stubs(:requirements_met?).returns(false)
+      run_job
+      user.reload.trust_level.should == TrustLevel.levels[:leader]
+    end
   end
 end