Add edit post button to post revision modal for wiki-ed posts.

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

@@ -109,6 +109,11 @@ export default Ember.Controller.extend(ModalFunctionality, {
     return !prevHidden && this.currentUser && this.currentUser.get('staff');
   },
 
+  @computed("model.wiki", "model.last_revision", "model.current_revision")
+  displayEdit(wiki, lastRevision, currentRevision) {
+    return wiki && (lastRevision === currentRevision);
+  },
+
   @computed()
   displayRevert() {
     return this.currentUser && this.currentUser.get('staff');
@@ -187,6 +192,11 @@ export default Ember.Controller.extend(ModalFunctionality, {
     hideVersion() { this.hide(this.get("model.post_id"), this.get("model.current_revision")); },
     showVersion() { this.show(this.get("model.post_id"), this.get("model.current_revision")); },
 
+    editWiki() {
+      this.get('topicController').send('editPost', this.get('post'));
+      this.send('closeModal');
+    },
+
     revertToVersion() { this.revert(this.get("post"), this.get("model.current_revision")); },
 
     displayInline()             { this.set("viewMode", "inline"); },

app/assets/javascripts/discourse/routes/topic.js.es6

@@ -72,8 +72,12 @@ const TopicRoute = Discourse.Route.extend({
 
     showHistory(model) {
       showModal('history', { model });
-      this.controllerFor('history').refresh(model.get("id"), "latest");
+      const historyController = this.controllerFor('history');
-      this.controllerFor('history').set('post', model);
+
+      historyController.refresh(model.get("id"), "latest");
+      historyController.set('post', model);
+      historyController.set('topicController', this.controllerFor('topic'));
+
       this.controllerFor('modal').set('modalClass', 'history-modal');
     },
 

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

@@ -11,11 +11,25 @@
       {{d-button action="loadNextVersion" icon="forward" title="post.revisions.controls.next" disabled=loadNextDisabled}}
       {{d-button action="loadLastVersion" icon="fast-forward" title="post.revisions.controls.last" disabled=loadLastDisabled}}
     </div>
+
     <div id="display-modes">
-      {{d-button action="displayInline" label="post.revisions.displays.inline.button" title="post.revisions.displays.inline.title" class=inlineClass}}
+      {{d-button action="displayInline"
+          icon="square-o"
+          label="post.revisions.displays.inline.button"
+          title="post.revisions.displays.inline.title"
+          class=inlineClass}}
       {{#unless site.mobileView}}
-        {{d-button action="displaySideBySide" label="post.revisions.displays.side_by_side.button" title="post.revisions.displays.side_by_side.title" class=sideBySideClass}}
+        {{d-button action="displaySideBySide"
-        {{d-button action="displaySideBySideMarkdown" label="post.revisions.displays.side_by_side_markdown.button" title="post.revisions.displays.side_by_side_markdown.title" class=sideBySideMarkdownClass}}
+            icon="columns"
+            label="post.revisions.displays.side_by_side.button"
+            title="post.revisions.displays.side_by_side.title"
+            class=sideBySideClass}}
+
+        {{d-button action="displaySideBySideMarkdown"
+            icon="columns"
+            label="post.revisions.displays.side_by_side_markdown.button"
+            title="post.revisions.displays.side_by_side_markdown.title"
+            class=sideBySideMarkdownClass}}
       {{/unless}}
     </div>
   </div>
@@ -103,11 +117,19 @@
     {{#if displayRevert}}
       {{d-button action="revertToVersion" icon="undo" label="post.revisions.controls.revert" class="btn-danger" disabled=loading}}
     {{/if}}
+
     {{#if displayHide}}
       {{d-button action="hideVersion" icon="eye-slash" label="post.revisions.controls.hide" class="btn-danger" disabled=loading}}
     {{/if}}
+
     {{#if displayShow}}
       {{d-button action="showVersion" icon="eye" label="post.revisions.controls.show" disabled=loading}}
     {{/if}}
+
+    {{#if displayEdit}}
+      {{d-button action="editWiki"
+          icon="pencil"
+          label="post.revisions.controls.edit_wiki"}}
+    {{/if}}
   </div>
 {{/d-modal-body}}

app/serializers/post_revision_serializer.rb

@@ -23,7 +23,8 @@ class PostRevisionSerializer < ApplicationSerializer
              :body_changes,
              :title_changes,
              :user_changes,
-             :tags_changes
+             :tags_changes,
+             :wiki
 
 
   # Creates a field called field_name_changes with previous and
@@ -95,6 +96,10 @@ class PostRevisionSerializer < ApplicationSerializer
     user.avatar_template
   end
 
+  def wiki
+    object.post.wiki
+  end
+
   def edit_reason
     # only show 'edit_reason' when revisions are consecutive
     current["edit_reason"] if scope.can_view_hidden_post_revisions? ||

config/locales/client.en.yml

@@ -1888,17 +1888,18 @@ en:
           hide: "Hide revision"
           show: "Show revision"
           revert: "Revert to this revision"
+          edit_wiki: "Edit wiki"
           comparing_previous_to_current_out_of_total: "<strong>{{previous}}</strong> <i class='fa fa-arrows-h'></i> <strong>{{current}}</strong> / {{total}}"
         displays:
           inline:
             title: "Show the rendered output with additions and removals inline"
-            button: '<i class="fa fa-square-o"></i> HTML'
+            button: 'HTML'
           side_by_side:
             title: "Show the rendered output diffs side-by-side"
-            button: '<i class="fa fa-columns"></i> HTML'
+            button: 'HTML'
           side_by_side_markdown:
             title: "Show the raw source diffs side-by-side"
-            button: '<i class="fa fa-columns"></i> Raw'
+            button: 'Raw'
 
     category:
       can: 'can&hellip; '

test/javascripts/acceptance/topic-test.js.es6

@@ -48,3 +48,27 @@ test("Updating the topic title and category", () => {
     equal(find('.fancy-title').text().trim(), 'this is the new title', 'it displays the new title');
   });
 });
+
+test("Marking a topic as wiki", () => {
+  server.put('/posts/398/wiki', () => { // eslint-disable-line no-undef
+    return [
+      200,
+      { "Content-Type": "application/json" },
+      {}
+    ];
+  });
+
+  visit("/t/internationalization-localization/280");
+
+  andThen(() => {
+    ok(find('a.wiki').length === 0, 'it does not show the wiki icon');
+  });
+
+  click('.topic-post:eq(0) button.show-more-actions');
+  click('.topic-post:eq(0) button.show-post-admin-menu');
+  click('.btn.wiki');
+
+  andThen(() => {
+    ok(find('a.wiki').length === 1, 'it shows the wiki icon');
+  });
+});