Support creating new media objects through RCS

Refs MAT-925
flag=none
test plan: specs pass

Change-Id: I81ed69f55ef471e9a5b8b095b0eacf204115d6e0
Reviewed-on: https://gerrit.instructure.com/c/canvas-rce-api/+/298016
Tested-by: Service Cloud Jenkins <[email protected]>
Reviewed-by: Mysti Lilla <[email protected]>
QA-Review: Jon Scheiding <[email protected]>
Product-Review: Jon Scheiding <[email protected]>

Author: Jon Scheiding

app/api/mediaObjects.js

@@ -58,6 +58,8 @@ function canvasPath(request) {
       return canvasPathGET(request);
     case "PUT":
       return canvasPathPUT(request);
+    case "POST":
+      return canvasPathPOST(request);
     default:
       throw new Error("invalid request");
   }
@@ -89,6 +91,10 @@ function canvasPathGET(request) {
   return `${baseURI}?per_page=${request.query.per_page}&use_verifiers=0${exclude}${sort}${search}`;
 }
 
+function canvasPathPOST() {
+  return "/api/v1/media_objects";
+}
+
 function canvasPathPUT(request) {
   const moid = request.params.mediaObjectId;
   const user_entered_title = request.query.user_entered_title;
@@ -125,6 +131,7 @@ function transformMediaObject(obj) {
     id: obj.media_id,
     title: obj.user_entered_title || obj.title,
     content_type: obj.media_type,
+    media_object: obj.media_object,
     date: obj.created_at,
     published: true, // TODO: is this true?
     embedded_iframe_url: obj.embedded_iframe_url

test/service/api/mediaObjects.test.js

@@ -132,6 +132,13 @@ describe("MediaObjects API", () => {
         );
       });
     });
+
+    describe("POST", () => {
+      it("builds the correct path", () => {
+        const path = canvasPath({ method: "POST" });
+        assert.strictEqual(path, "/api/v1/media_objects");
+      });
+    });
   });
 
   describe("canvasResponseHandler()", () => {
@@ -209,7 +216,7 @@ describe("MediaObjects API", () => {
         });
       });
 
-      it("transforms the whole array", () => {
+      it("transforms the whole files array", () => {
         canvasResponseHandler(request, response, canvasResponse);
         sinon.assert.calledWithMatch(response.send, val => {
           return (