Add warning input to flag dialog

Added isWarning property
pass is_warning along to post_action
Added is_warning to possible arguments to receive from post_actions route
Only show warning checkbox for staff
Only permit the is_warning argument if the user is staff

app/assets/javascripts/discourse/controllers/flag-action-type.js.es6

@@ -5,6 +5,7 @@ export default Ember.Controller.extend({
   needs: ['flag'],
 
   message: Em.computed.alias('controllers.flag.message'),
+  isWarning: Em.computed.alias('controllers.flag.isWarning'),
 
   customPlaceholder: function(){
     return I18n.t("flagging.custom_placeholder_" + this.get('model.name_key'));

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

@@ -7,6 +7,7 @@ export default Ember.Controller.extend(ModalFunctionality, {
   selected: null,
   flagTopic: null,
   message: null,
+  isWarning: false,
   topicActionByName: null,
 
   onShow() {
@@ -118,6 +119,11 @@ export default Ember.Controller.extend(ModalFunctionality, {
       });
     },
 
+    createFlagAsWarning() {
+      this.send('createFlag', {isWarning: true});
+      this.set('model.hidden', true);
+    },
+
     changePostActionType(action) {
       this.set('selected', action);
     },
@@ -133,6 +139,12 @@ export default Ember.Controller.extend(ModalFunctionality, {
     }
   }.property('selected.name_key', 'userDetails.can_be_deleted', 'userDetails.can_delete_all_posts'),
 
+  canSendWarning: function() {
+    if (this.get("flagTopic")) return false;
+
+    return (Discourse.User.currentProp('staff') && this.get('selected.name_key') === 'notify_user');
+  }.property('selected.name_key'),
+
   usernameChanged: function() {
     this.set('userDetails', null);
     this.fetchUserDetails();

app/assets/javascripts/discourse/models/action-summary.js.es6

@@ -59,6 +59,7 @@ export default RestModel.extend({
         id: this.get('flagTopic') ? this.get('flagTopic.id') : post.get('id'),
         post_action_type_id: this.get('id'),
         message: opts.message,
+        is_warning: opts.isWarning,
         take_action: opts.takeAction,
         flag_topic: this.get('flagTopic') ? true : false
       },

app/assets/javascripts/discourse/templates/modal/flag.hbs

@@ -38,6 +38,10 @@
 <div class="modal-footer">
   <button class='btn btn-primary' {{action "createFlag"}} {{bind-attr disabled="submitDisabled"}} title="{{i18n 'flagging.submit_tooltip'}}">{{{submitText}}}</button>
 
+  {{#if canSendWarning}}
+    <button class="btn btn-danger" {{action "createFlagAsWarning" }} {{bind-attr disabled="submitDisabled"}} title="{{i18n 'flagging.official_warning'}}"><i class="fa fa-exclamation-triangle"></i> {{i18n 'flagging.official_warning'}}</button>
+  {{/if}}
+
   {{#if canTakeAction}}
     <button class='btn btn-danger' {{action "takeAction"}} {{bind-attr disabled="submitDisabled"}} title="{{i18n 'flagging.take_action_tooltip'}}"><i class="fa fa-gavel"></i>{{i18n 'flagging.take_action'}}</button>
   {{/if}}

app/controllers/post_actions_controller.rb

@@ -11,6 +11,7 @@ class PostActionsController < ApplicationController
 
     args = {}
     args[:message] = params[:message] if params[:message].present?
+    args[:is_warning] = params[:is_warning] if params[:is_warning].present? && guardian.is_staff?
     args[:take_action] = true if guardian.is_staff? && params[:take_action] == 'true'
     args[:flag_topic] = true if params[:flag_topic] == 'true'
 

app/models/post_action.rb

@@ -215,11 +215,12 @@ SQL
 
     title = I18n.t("post_action_types.#{post_action_type}.email_title", title: post.topic.title)
     body = I18n.t("post_action_types.#{post_action_type}.email_body", message: opts[:message], link: "#{Discourse.base_url}#{post.url}")
-
+    warning = opts[:is_warning] if opts[:is_warning].present?
     title = title.truncate(255, separator: /\s/)
 
     opts = {
       archetype: Archetype.private_message,
+      is_warning: warning,
       title: title,
       raw: body
     }

config/locales/client.en.yml

@@ -1753,6 +1753,7 @@ en:
       action: 'Flag Post'
       take_action: "Take Action"
       notify_action: 'Message'
+      official_warning: 'Official Warning'
       delete_spammer: "Delete Spammer"
       delete_confirm: "You are about to delete <b>%{posts}</b> posts and <b>%{topics}</b> topics from this user, remove their account, block signups from their IP address <b>%{ip_address}</b>, and add their email address <b>%{email}</b> to a permanent block list. Are you sure this user is really a spammer?"
       yes_delete_spammer: "Yes, Delete Spammer"