1 files changed, 51 insertions, 0 deletions
diff --git a/app/assets/javascripts/subbable_resource.js b/app/assets/javascripts/subbable_resource.js
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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 = {}));