FEATURE: implement lock/unlock trust level mechanics

app/assets/javascripts/admin/models/admin_user.js

@@ -182,6 +182,10 @@ Discourse.AdminUser = Discourse.User.extend({
     });
   },
 
+  canLockTrustLevel: function(){
+    return this.get('trust_level') < 4;
+  }.property('trust_level'),
+
   isSuspended: Em.computed.equal('suspended', true),
   canSuspend: Em.computed.not('staff'),
 

app/assets/javascripts/admin/routes/admin_user_tl3_requirements_route.js

@@ -10,15 +10,5 @@
 Discourse.AdminUserTl3RequirementsRoute = Discourse.Route.extend({
   model: function() {
     return this.modelFor('adminUser');
-  },
-
-  actions: {
-    lock_trust_level: function() {
-      this.modelFor('adminUser').lockTrustLevel(true);
-    },
-
-    unlock_trust_level: function() {
-      this.modelFor('adminUser').lockTrustLevel(false);
-    }
   }
 });

app/assets/javascripts/admin/templates/user_index.hbs

@@ -267,19 +267,26 @@
     <div class='field'>{{i18n trust_level}}</div>
     <div class="value">
       {{combo-box content=trustLevels value=trust_level nameProperty="detailedName"}}
-    </div>
-    <div class="controls">
-      {{#if tl3Requirements}}
-        {{#link-to 'adminUser.tl3Requirements' this class="btn"}}{{i18n admin.user.trust_level_3_requirements}}{{/link-to}}
-      {{/if}}
-
       {{#if dirty}}
         <div>
         <button class='btn ok no-text' {{action saveTrustLevel target="content"}}><i class='fa fa-check'></i></button>
         <button class='btn cancel no-text' {{action restoreTrustLevel target="content"}}><i class='fa fa-times'></i></button>
         </div>
       {{/if}}
     </div>
+    <div class="controls">
+      {{#if model.canLockTrustLevel}}
+        {{#if model.trust_level_locked}}
+        <i title='{{i18n admin.user.trust_level_locked_tip}}' {{action lockTrustLevel false target="model"}} class='fa fa-lock'></i> <button class="btn" {{action lockTrustLevel false target="model"}}>{{i18n admin.user.unlock_trust_level}}</button>
+        {{else}}
+        <i title='{{i18n admin.user.trust_level_unlocked_tip}}' class='fa fa-unlock'></i> <button class="btn" {{action lockTrustLevel true target="model"}}>{{i18n admin.user.lock_trust_level}}</button>
+        {{/if}}
+      {{/if}}
+      {{#if tl3Requirements}}
+        {{#link-to 'adminUser.tl3Requirements' this class="btn"}}{{i18n admin.user.trust_level_3_requirements}}{{/link-to}}
+      {{/if}}
+
+    </div>
   </div>
 
   <div {{bind-attr class=":display-row isSuspended:highlight-danger"}}>

app/assets/javascripts/admin/templates/user_leader_requirements.hbs

@@ -85,17 +85,6 @@
           <td>{{num_likes_received}}</td>
           <td>{{min_likes_received}}</td>
         </tr>
-        <tr>
-          <th>{{i18n admin.user.tl3_requirements.trust_level_locked}}</th>
-          <td><i {{bind-attr class=":fa met.level_locked:fa-lock:fa-unlock"}}></i></td>
-          {{#if trust_level_locked}}
-            <td>{{i18n yes_value}}</td>
-            <td><a class="btn" {{action unlock_trust_level}}>{{i18n admin.user.tl3_requirements.unlock_tl}}</a></td>
-          {{else}}
-            <td>{{i18n no_value}}</td>
-            <td><a class="btn" {{action lock_trust_level}}>{{i18n admin.user.tl3_requirements.lock_tl}}</a></td>
-          {{/if}}
-        </tr>
       </tbody>
     </table>
   {{/with}}

app/controllers/admin/users_controller.rb

@@ -128,7 +128,20 @@ def primary_group
 
   def trust_level
     guardian.ensure_can_change_trust_level!(@user)
-    @user.change_trust_level!(params[:level].to_i, log_action_for: current_user)
+    level = params[:level].to_i
+
+
+    if !@user.trust_level_locked && [0,1,2].include?(level) && Promotion.send("tl#{level+1}_met?", @user)
+      @user.trust_level_locked = true
+      @user.save
+    end
+
+    if !@user.trust_level_locked && level == 3 && Promotion.tl3_lost?(@user)
+      @user.trust_level_locked = true
+      @user.save
+    end
+
+    @user.change_trust_level!(level, log_action_for: current_user)
 
     render_serialized(@user, AdminUserSerializer)
   rescue Discourse::InvalidAccess => e
@@ -138,13 +151,23 @@ def trust_level
   def trust_level_lock
     guardian.ensure_can_change_trust_level!(@user)
 
-    new_lock = params[:locked]
-    unless new_lock =~ /t|f|true|false/
+    new_lock = params[:locked].to_s
+    unless new_lock =~ /true|false/
       return render_json_error I18n.t('errors.invalid_boolaen')
     end
 
-    @user.trust_level_locked = !!(new_lock =~ /t|true/)
+    @user.trust_level_locked = new_lock == "true"
     @user.save
+
+    unless @user.trust_level_locked
+      p = Promotion.new(@user)
+      2.times{ p.review }
+      p.review_tl2
+      if @user.trust_level == 3 && Promotion.tl3_lost?(@user)
+        @user.change_trust_level!(2, log_action_for: current_user)
+      end
+    end
+
     render nothing: true
   end
 

app/serializers/admin_user_serializer.rb

@@ -9,6 +9,7 @@ class AdminUserSerializer < BasicUserSerializer
              :created_at_age,
              :username_lower,
              :trust_level,
+             :trust_level_locked,
              :flag_level,
              :username,
              :title,

config/locales/client.en.yml

@@ -1959,6 +1959,10 @@ en:
         suspend_modal_title: "Suspend User"
         trust_level_2_users: "Trust Level 2 Users"
         trust_level_3_requirements: "Trust Level 3 Requirements"
+        trust_level_locked_tip: "trust level is locked, system will not promote or demote user"
+        trust_level_unlocked_tip: "trust level is unlocked, system will may promote or demote user"
+        lock_trust_level: "Lock Trust Level"
+        unlock_trust_level: "Unlock Trust Level"
         tl3_requirements:
           title: "Requirements for Trust Level 3"
           table_title: "In the last 100 days:"
@@ -1975,9 +1979,6 @@ en:
           flagged_by_users: "Users Who Flagged"
           likes_given: "Likes Given"
           likes_received: "Likes Received"
-          trust_level_locked: "Trust Level Locked"
-          lock_tl: "Lock"
-          unlock_tl: "Unlock"
           qualifies: "Qualifies for trust level 3."
           does_not_qualify: "Doesn't qualify for trust level 3."
           will_be_promoted: "Will be promoted soon."

config/locales/server.en.yml

@@ -297,7 +297,7 @@ en:
       title: "regular"
     elder:
       title: "leader"
-    change_failed_explanation: "You attempted to demote %{user_name} to '%{new_trust_level}'. However their trust level is already '%{current_trust_level}'. %{user_name} will remain at '%{current_trust_level}'"
+    change_failed_explanation: "You attempted to demote %{user_name} to '%{new_trust_level}'. However their trust level is already '%{current_trust_level}'. %{user_name} will remain at '%{current_trust_level}' - if you wish to demote user lock trust level first"
 
 
   rate_limiter:

lib/promotion.rb

@@ -12,7 +12,7 @@ def initialize(user)
   # Returns true if the user was promoted, false otherwise.
   def review
     # nil users are never promoted
-    return false if @user.blank?
+    return false if @user.blank? || @user.trust_level_locked
 
     # Promotion beyond basic requires some expensive queries, so don't do that here.
     return false if @user.trust_level >= TrustLevel[2]
@@ -42,7 +42,7 @@ def change_trust_level!(level, opts = {})
     old_level = @user.trust_level
     new_level = level
 
-    if new_level < old_level
+    if new_level < old_level && !@user.trust_level_locked
       next_up = new_level+1
       key = "tl#{next_up}_met?"
       if self.class.respond_to?(key) && self.class.send(key, @user)