feat(plugins): Adds Mailchimp newsletter subscription

packages/medusa-plugin-mailchimp/src/api/index.js

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

packages/medusa-plugin-mailchimp/src/api/middleware/await-middleware.js

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

packages/medusa-plugin-mailchimp/src/api/middleware/index.js

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

packages/medusa-plugin-mailchimp/src/api/routes/index.js

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+import { Router } from "express"
+import bodyParser from "body-parser"
+import middlewares from "../middleware"
+import { getConfigFile } from "medusa-core-utils"
+import cors from "cors"
+
+const route = Router()
+
+export default (app, rootDirectory) => {
+  const { configModule } = getConfigFile(rootDirectory, `medusa-config`)
+  const config = (configModule && configModule.projectConfig) || {}
+
+  const storeCors = config.store_cors || ""
+
+  route.use(
+    cors({
+      origin: storeCors.split(","),
+      credentials: true,
+    })
+  )
+
+  app.use("/mailchimp", route)
+
+  route.post(
+    "/subscribe",
+    bodyParser.json(),
+    middlewares.wrap(require("./subscribe-newsletter").default)
+  )
+  return app
+}

packages/medusa-plugin-mailchimp/src/api/routes/subscribe-newsletter.js

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+import { Validator, MedusaError } from "medusa-core-utils"
+
+export default async (req, res) => {
+  const schema = Validator.object().keys({
+    email: Validator.string().required(),
+    data: Validator.object().default({}),
+  })
+
+  const { value, error } = schema.validate(req.body)
+  if (error) {
+    throw new MedusaError(MedusaError.Types.INVALID_DATA, error.details)
+  }
+  console.log(value)
+
+  try {
+    const mailchimpService = req.scope.resolve("mailchimpService")
+    await mailchimpService.subscribeNewsletter(value.email, value.data)
+    res.sendStatus(200)
+  } catch (err) {
+    throw err
+  }
+}