Merge remote-tracking branch 'upstream/master' into set-default-cache-key-for-jobs

* upstream/master: (289 commits)
  re-add Assign to Me link on new MR/Issue forms
  thinner bottom header border
  make header match old 16px padding of body contents
  Update font-awesome-rails to 4.7.0.1
  Relax font-awesome-rails dependency to ~> 4.7
  Restore keyboard shortcuts for "Activity" and "Charts"
  fix border radius bottom for header
  match padding for mr-widget sections
  Update changelog
  Fix project-last-commit alignment
  Docs: update GL Pages IP on GL.com
  Fix up @DouweM review
  Remove readme-only project view preference
  Add `uploads` to known models for Import/Export spec
  Add `has_many` associations for models that can have Upload records
  Handle relative and absolute Upload paths in the Uploaders
  Change the default CarrierWave root path for tests
  Fix Projects::UploadService spec
  Add a Project::UploadsController spec to ensure an Upload is created
  Add `RecordsUploads` module to record Upload records via callbacks
  ...

1 files changed, 51 insertions, 0 deletions

diff --git a/app/assets/javascripts/subbable_resource.js b/app/assets/javascripts/subbable_resource.js
new file mode 100644
index 00000000000..d8191605128
--- /dev/null
+++ b/app/assets/javascripts/subbable_resource.js
@@ -0,0 +1,51 @@
+(() => {
+/*
+*   SubbableResource can be extended to provide a pubsub-style service for one-off REST
+*   calls. Subscribe by passing a callback or render method you will use to handle responses.
+ *
+* */
+
+  class SubbableResource {
+    constructor(resourcePath) {
+      this.endpoint = resourcePath;
+
+      // TODO: Switch to axios.create
+      this.resource = $.ajax;
+      this.subscribers = [];
+    }
+
+    subscribe(callback) {
+      this.subscribers.push(callback);
+    }
+
+    publish(newResponse) {
+      const responseCopy = _.extend({}, newResponse);
+      this.subscribers.forEach((fn) => {
+        fn(responseCopy);
+      });
+      return newResponse;
+    }
+
+    get(payload) {
+      return this.resource(payload)
+        .then(data => this.publish(data));
+    }
+
+    post(payload) {
+      return this.resource(payload)
+        .then(data => this.publish(data));
+    }
+
+    put(payload) {
+      return this.resource(payload)
+        .then(data => this.publish(data));
+    }
+
+    delete(payload) {
+      return this.resource(payload)
+        .then(data => this.publish(data));
+    }
+  }
+
+  gl.SubbableResource = SubbableResource;
+})(window.gl || (window.gl = {}));