feat: Add support for sendgrid and logger notification providers (#7290)

* feat: Add support for sendgrid and logger notification providers

* fix: changes based on PR review

packages/modules/providers/notification-sendgrid/src/index.ts

@@ -0,0 +1,10 @@
+import { ModuleProviderExports } from "@medusajs/types"
+import { SendgridNotificationService } from "./services/sendgrid"
+
+const services = [SendgridNotificationService]
+
+const providerExport: ModuleProviderExports = {
+  services,
+}
+
+export default providerExport

packages/modules/providers/notification-sendgrid/src/services/sendgrid.ts

@@ -0,0 +1,73 @@
+import {
+  Logger,
+  NotificationTypes,
+  SendgridNotificationServiceOptions,
+} from "@medusajs/types"
+import {
+  AbstractNotificationProviderService,
+  MedusaError,
+} from "@medusajs/utils"
+import sendgrid from "@sendgrid/mail"
+
+type InjectedDependencies = {
+  logger: Logger
+}
+
+interface SendgridServiceConfig {
+  apiKey: string
+  from: string
+}
+
+export class SendgridNotificationService extends AbstractNotificationProviderService {
+  protected config_: SendgridServiceConfig
+  protected logger_: Logger
+
+  constructor(
+    { logger }: InjectedDependencies,
+    options: SendgridNotificationServiceOptions
+  ) {
+    super()
+
+    this.config_ = {
+      apiKey: options.api_key,
+      from: options.from,
+    }
+    this.logger_ = logger
+    sendgrid.setApiKey(this.config_.apiKey)
+  }
+
+  async send(
+    notification: NotificationTypes.ProviderSendNotificationDTO
+  ): Promise<NotificationTypes.ProviderSendNotificationResultsDTO> {
+    if (!notification) {
+      throw new MedusaError(
+        MedusaError.Types.INVALID_DATA,
+        `No notification information provided`
+      )
+    }
+
+    const message = {
+      to: notification.to,
+      from: this.config_.from,
+      templateId: notification.template,
+      dynamicTemplateData: notification.data as
+        | { [key: string]: any }
+        | undefined,
+    }
+
+    try {
+      // Unfortunately we don't get anything useful back in the response
+      await sendgrid.send(message)
+      return {}
+    } catch (error) {
+      const errorCode = error.code
+      const responseError = error.response?.body?.errors?.[0]
+      throw new MedusaError(
+        MedusaError.Types.UNEXPECTED_STATE,
+        `Failed to send email: ${errorCode} - ${
+          responseError?.message ?? "unknown error"
+        }`
+      )
+    }
+  }
+}