FEATURE: add a button for staff to delete a user on their profile page

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

@@ -314,7 +314,7 @@ Discourse.AdminUser = Discourse.User.extend({
     }
   }.property('deleteForbidden'),
 
-  destroy: function() {
+  destroy: function(opts) {
     var user = this;
 
     var performDestroy = function(block) {
@@ -324,6 +324,9 @@ Discourse.AdminUser = Discourse.User.extend({
         formData["block_urls"] = true;
         formData["block_ip"] = true;
       }
+      if (opts && opts.deletePosts) {
+        formData["delete_posts"] = true;
+      }
       Discourse.ajax("/admin/users/" + user.get('id') + '.json', {
         type: 'DELETE',
         data: formData

app/assets/javascripts/discourse/controllers/user.js.es6

@@ -38,6 +38,10 @@ export default ObjectController.extend(CanCheckEmails, {
     return Discourse.User.currentProp('can_invite_to_forum');
   }.property(),
 
+  canDeleteUser: function() {
+    return this.get('can_be_deleted') && this.get('can_delete_all_posts');
+  }.property('can_be_deleted', 'can_delete_all_posts'),
+
   loadedAllItems: function() {
     switch (this.get("datasource")) {
       case "badges": { return true; }
@@ -61,5 +65,13 @@ export default ObjectController.extend(CanCheckEmails, {
 
   privateMessagesActive: Em.computed.equal('pmView', 'index'),
   privateMessagesMineActive: Em.computed.equal('pmView', 'mine'),
-  privateMessagesUnreadActive: Em.computed.equal('pmView', 'unread')
+  privateMessagesUnreadActive: Em.computed.equal('pmView', 'unread'),
+
+  actions: {
+    adminDelete: function() {
+      Discourse.AdminUser.find(this.get('username').toLowerCase()).then(function(user){
+        user.destroy({deletePosts: true});
+      });
+    }
+  }
 });

app/assets/javascripts/discourse/templates/user/user.hbs

@@ -126,6 +126,12 @@
               {{/each}}
             </dd>
           {{/if}}
+          {{#if canDeleteUser}}
+            <button class="btn btn-danger" {{action "adminDelete"}}>
+              <i class="fa fa-exclamation-triangle"></i>
+              {{i18n admin.user.delete}}
+            </button>
+          {{/if}}
         </dl>
         {{plugin-outlet "user-profile-secondary"}}
       </div>

app/serializers/user_serializer.rb

@@ -59,7 +59,9 @@ class UserSerializer < BasicUserSerializer
                    :number_of_flagged_posts,
                    :number_of_flags_given,
                    :number_of_suspensions,
-                   :number_of_warnings
+                   :number_of_warnings,
+                   :can_be_deleted,
+                   :can_delete_all_posts
 
   private_attributes :locale,
                      :email_digests,
@@ -239,6 +241,14 @@ class UserSerializer < BasicUserSerializer
     UserHistory.for(object, :suspend_user).count
   end
 
+  def can_be_deleted
+    scope.can_delete_user?(object)
+  end
+
+  def can_delete_all_posts
+    scope.can_delete_all_posts?(object)
+  end
+
   ###
   ### PRIVATE ATTRIBUTES
   ###