Moderators can edit posts that are queued before they approve/reject

app/assets/javascripts/discourse/controllers/queued-post.js.es6

@@ -0,0 +1,39 @@
+import BufferedContent from 'discourse/mixins/buffered-content';
+import { popupAjaxError } from 'discourse/lib/ajax-error';
+
+function updateState(state) {
+  return function() {
+    const post = this.get('post');
+    post.update({ state }).then(() => {
+      this.get('controllers.queued-posts.model').removeObject(post);
+    }).catch(popupAjaxError);
+  };
+}
+
+export default Ember.Controller.extend(BufferedContent, {
+  needs: ['queued-posts'],
+  post: Ember.computed.alias('model'),
+
+  editing: false,
+
+  actions: {
+    approve: updateState('approved'),
+    reject: updateState('rejected'),
+
+    edit() {
+      this.set('editing', true);
+    },
+
+    confirmEdit() {
+      this.get('post').update({ raw: this.get('buffered.raw') }).then(() => {
+        this.commitBuffer();
+        this.set('editing', false);
+      });
+    },
+
+    cancelEdit() {
+      this.rollbackBuffer();
+      this.set('editing', false);
+    }
+  }
+});

app/assets/javascripts/discourse/controllers/queued-posts.js.es6

@@ -1,16 +0,0 @@
-import { popupAjaxError } from 'discourse/lib/ajax-error';
-
-function updateState(state) {
-  return function(post) {
-    post.update({ state }).then(() => {
-      this.get('model').removeObject(post);
-    }).catch(popupAjaxError);
-  };
-}
-
-export default Ember.Controller.extend({
-  actions: {
-    approve: updateState('approved'),
-    reject: updateState('rejected')
-  }
-});

app/assets/javascripts/discourse/templates/queued-posts.hbs

@@ -1,41 +1,63 @@
 <div class='container'>
   <div class='queued-posts'>
-    {{#each post in model}}
+    {{#each ctrl in model itemController='queued-post'}}
       <div class='queued-post'>
         <div class='poster'>
-          {{avatar post.user imageSize="large"}}
+          {{avatar ctrl.post.user imageSize="large"}}
         </div>
         <div class='cooked'>
           <div class='names'>
-            <span class='username'>{{post.user.username}}</span>
+            <span class='username'>{{ctrl.post.user.username}}</span>
           </div>
           <div class='clearfix'></div>
 
           <span class='post-title'>
             {{i18n "queue.topic"}}
-            {{#if post.topic}}
-              {{topic-link post.topic}}
+            {{#if ctrl.post.topic}}
+              {{topic-link ctrl.post.topic}}
             {{else}}
-              {{post.post_options.title}}
+              {{ctrl.post.post_options.title}}
             {{/if}}
-            {{category-badge post.category}}
+            {{category-badge ctrl.post.category}}
           </span>
 
-          {{{cook-text post.raw}}}
+          <div class='body'>
+            {{#if ctrl.editing}}
+              {{pagedown-editor value=ctrl.buffered.raw}}
+            {{else}}
+              {{{cook-text ctrl.post.raw}}}
+            {{/if}}
+          </div>
 
           <div class='queue-controls'>
-            {{d-button action="approve"
-                       actionParam=post
-                       disabled=post.isSaving
-                       label="queue.approve"
-                       icon="check"
-                       class="btn-primary approve"}}
-            {{d-button action="reject"
-                       actionParam=post
-                       disabled=post.isSaving
-                       label="queue.reject"
-                       icon="times"
-                       class="btn-warning reject"}}
+            {{#if ctrl.editing}}
+              {{d-button action="confirmEdit"
+                         label="queue.confirm"
+                         disabled=ctrl.post.isSaving
+                         class="btn-primary confirm"}}
+              {{d-button action="cancelEdit"
+                         label="queue.cancel"
+                         icon="times"
+                         disabled=ctrl.post.isSaving
+                         class="btn-danger cancel"}}
+
+            {{else}}
+              {{d-button action="approve"
+                         disabled=ctrl.post.isSaving
+                         label="queue.approve"
+                         icon="check"
+                         class="btn-primary approve"}}
+              {{d-button action="reject"
+                         disabled=ctrl.post.isSaving
+                         label="queue.reject"
+                         icon="times"
+                         class="btn-danger reject"}}
+              {{d-button action="edit"
+                         disabled=ctrl.post.isSaving
+                         label="queue.edit"
+                         icon="pencil"
+                         class="edit"}}
+            {{/if}}
           </div>
         </div>
         <div class='clearfix'></div>

app/assets/stylesheets/desktop/queued-posts.scss

@@ -9,8 +9,19 @@
     .cooked {
       width: $topic-body-width;
       float: left;
+
+      #wmd-input {
+        width: 98%;
+        height: 15em;
+      }
     }
 
+    .queue-controls {
+      button {
+        float: left;
+        margin-right: 0.5em;
+      }
+    }
     .post-title {
       color: darken(scale-color-diff(), 50%);
       font-weight: bold;

app/controllers/queued_posts_controller.rb

@@ -15,6 +15,10 @@ class QueuedPostsController < ApplicationController
   def update
     qp = QueuedPost.where(id: params[:id]).first
 
+    if params[:queued_post][:raw].present?
+      qp.update_column(:raw, params[:queued_post][:raw])
+    end
+
     state = params[:queued_post][:state]
     if state == 'approved'
       qp.approve!(current_user)