Adds Middleware API (#40)

* Adds test project

* Adds e2e for end-2-end tests

* Update gitignore

* Update loaders

* Creates test project

* v0.1.27

* Upgrade

* dependency fixes

* Load project plugins in the plugin loader

* Issue with instanceof

* Fixes versioning issues

* Adds medusa middleware api

* Adds documentation

* Fixes tests

packages/medusa/src/api/index.js

@@ -4,11 +4,11 @@ import store from "./routes/store"
 import errorHandler from "./middlewares/error-handler"
 
 // guaranteed to get dependencies
-export default () => {
+export default container => {
   const app = Router()
 
-  admin(app)
-  store(app)
+  admin(app, container)
+  store(app, container)
 
   app.use(errorHandler())
 

packages/medusa/src/api/routes/admin/index.js

@@ -11,15 +11,23 @@ import discountRoutes from "./discounts"
 
 const route = Router()
 
-export default app => {
+export default (app, container) => {
+  const middlewareService = container.resolve("middlewareService")
+
   app.use("/admin", route)
 
   // Unauthenticated routes
   authRoutes(route)
 
+  // Calls all middleware that has been registered to run before authentication.
+  middlewareService.usePreAuthentication(app)
+
   // Authenticated routes
   route.use(middlewares.authenticate())
 
+  // Calls all middleware that has been registered to run after authentication.
+  middlewareService.usePostAuthentication(app)
+
   productRoutes(route)
   userRoutes(route)
   regionRoutes(route)