Make it possible for extensions to modify data before saving

framework/core/js/forum/src/components/composer-edit.js

@@ -27,13 +27,19 @@ export default class ComposerEdit extends ComposerBody {
     return items;
   }
 
-  onsubmit(content) {
+  data() {
+    return {
+      content: this.content()
+    };
+  }
+
+  onsubmit() {
     var post = this.props.post;
 
     this.loading(true);
     m.redraw();
 
-    post.save({content}).then(post => {
+    post.save(this.data()).then(post => {
       app.composer.hide();
       m.redraw();
     }, response => {

framework/core/js/forum/src/components/composer-reply.js

@@ -19,16 +19,20 @@ export default class ComposerReply extends ComposerBody {
     return items;
   }
 
-  onsubmit(value) {
+  data() {
+    return {
+      content: this.content(),
+      links: {discussion: this.props.discussion}
+    };
+  }
+
+  onsubmit() {
     var discussion = this.props.discussion;
 
     this.loading(true);
     m.redraw();
 
-    var data = {
+    var data = this.data();
-      content: value,
-      links: {discussion}
-    };
 
     app.store.createRecord('posts').save(data).then((post) => {
       app.composer.hide();