fix: creates restock functionality

packages/medusa-plugin-restock-notification/src/api/index.js

@@ -0,0 +1,10 @@
+import { Router } from "express"
+import routes from "./routes"
+
+export default (container) => {
+  const app = Router()
+
+  routes(app)
+
+  return app
+}

packages/medusa-plugin-restock-notification/src/api/middleware/await-middleware.js

@@ -0,0 +1 @@
+export default (fn) => (...args) => fn(...args).catch(args[2])

packages/medusa-plugin-restock-notification/src/api/middleware/index.js

@@ -0,0 +1,5 @@
+import { default as wrap } from "./await-middleware"
+
+export default {
+  wrap,
+}

packages/medusa-plugin-restock-notification/src/api/routes/add-email.js

@@ -0,0 +1,24 @@
+import { Validator, MedusaError } from "medusa-core-utils"
+
+export default async (req, res) => {
+  const { variant_id } = req.parmas
+
+  const schema = Validator.object().keys({
+    email: Validator.string().required(),
+  })
+
+  const { value, error } = schema.validate(req.body)
+  if (error) {
+    throw new MedusaError(MedusaError.Types.INVALID_DATA, error.details)
+  }
+
+  try {
+    const restockNotificationService = req.scope.resolve(
+      "restockNotificationService"
+    )
+    await restockNotificationService.addEmail(variant_id, value.email)
+    res.sendStatus(200)
+  } catch (err) {
+    res.sendStatus(400).json({ message: err.message })
+  }
+}

packages/medusa-plugin-restock-notification/src/api/routes/index.js

@@ -0,0 +1,16 @@
+import { Router } from "express"
+import bodyParser from "body-parser"
+import middlewares from "../middleware"
+
+const route = Router()
+
+export default (app) => {
+  app.use("/restock-notifications", route)
+
+  route.post(
+    "/variants/:variant_id",
+    bodyParser.raw({ type: "application/json" }),
+    middlewares.wrap(require("./add-email").default)
+  )
+  return app
+}