chore(api): send reminder emails to new inactive and free users

12 months ago · b72e586d06
5 changed files with 275 additions and 4 deletions
--- a/api/src/billing/billing.module.ts
+++ b/api/src/billing/billing.module.ts
@ -18,8 +18,8 @@ import { PolarWebhookPayload, PolarWebhookPayloadSchema } from './schemas/polar-
      { name: Subscription.name, schema: SubscriptionSchema },
      { name: PolarWebhookPayload.name, schema: PolarWebhookPayloadSchema },
    ]),
-    AuthModule,
-    UsersModule,
+    forwardRef(() => AuthModule),
+    forwardRef(() => UsersModule),
    forwardRef(() => GatewayModule),
  ],
  controllers: [BillingController],
--- a/api/src/mail/templates/inactive-new-user.hbs
+++ b/api/src/mail/templates/inactive-new-user.hbs
@ -0,0 +1,84 @@
+<html>
+  <head>
+    <meta charset='utf-8' />
+    <meta name='viewport' content='width=device-width, initial-scale=1.0' />
+    <title>Get Started with textbee.dev</title>
+    <style>
+      body { font-family: Arial, sans-serif; line-height: 1.6; color: #333;
+      margin: 0; padding: 0; } .container { max-width: 600px; margin: 0 auto;
+      padding: 20px; } .header { text-align: center; padding: 20px 0; } .logo {
+      max-width: 150px; } .content { background-color: #f9f9f9; padding: 30px;
+      border-radius: 5px; } .button { display: inline-block; background-color:
+      #4CAF50; color: white; text-decoration: none; padding: 12px 24px;
+      border-radius: 4px; font-weight: bold; margin: 20px 0; } .footer {
+      text-align: center; font-size: 12px; color: #777; margin-top: 30px; }
+      .steps { margin: 20px 0; } .step { margin-bottom: 15px; } .step-number {
+      display: inline-block; width: 25px; height: 25px; background-color:
+      #4CAF50; color: white; border-radius: 50%; text-align: center;
+      line-height: 25px; margin-right: 10px; }
+    </style>
+  </head>
+  <body>
+    <div class='container'>
+      <div class='header'>
+        {{! <img
+          src='https://textbee.dev/logo.png'
+          alt='textbee.dev Logo'
+          class='logo'
+        /> }}
+      </div>
+
+      <div class='content'>
+        <h2>Hello {{name}},</h2>
+
+        <p>Thank you for signing up for SMS Gateway! We noticed you haven't
+          registered any devices yet.</p>
+
+        <p>With textbee.dev, you can:</p>
+        <ul>
+          <li>Send and receive SMS messages from your dashboard or API</li>
+          <li>Receive SMS notifications with webhooks</li>
+          <li>Integrate SMS functionality into your applications</li>
+          <li>And much more!</li>
+        </ul>
+
+        <p>To get started, you'll need to register your first device:</p>
+
+        <div class='steps'>
+          <div class='step'>
+            <span class='step-number'>1</span>
+            Install the SMS Gateway app on your Android device
+          </div>
+          <div class='step'>
+            <span class='step-number'>2</span>
+            Log in with your account credentials
+          </div>
+          <div class='step'>
+            <span class='step-number'>3</span>
+            Grant the necessary permissions
+          </div>
+          <div class='step'>
+            <span class='step-number'>4</span>
+            Start sending and receiving SMS!
+          </div>
+        </div>
+
+        <div style='text-align: center;'>
+          <a href='{{registerDeviceUrl}}' class='button'>Register Your Device
+            Now</a>
+        </div>
+
+        <p>If you have any questions or need assistance, please don't hesitate
+          to contact our support team at
+          <a href='mailto:support@textbee.dev'>support@textbee.dev</a>.</p>
+
+        <p>Best regards,<br />The textbee.dev Team</p>
+      </div>
+
+      <div class='footer'>
+        <p>© 2025 textbee.dev. All rights reserved.</p>
+
+      </div>
+    </div>
+  </body>
+</html>
--- a/api/src/mail/templates/upgrade-to-pro.hbs
+++ b/api/src/mail/templates/upgrade-to-pro.hbs
@ -0,0 +1,94 @@
+<html>
+  <head>
+    <meta charset='utf-8' />
+    <meta name='viewport' content='width=device-width, initial-scale=1.0' />
+    <title>Upgrade to Pro - textbee.dev</title>
+    <style>
+      body { font-family: Arial, sans-serif; line-height: 1.6; color: #333;
+      margin: 0; padding: 0; } .container { max-width: 600px; margin: 0 auto;
+      padding: 20px; } .header { text-align: center; padding: 20px 0; } .logo {
+      max-width: 150px; } .content { background-color: #f9f9f9; padding: 30px;
+      border-radius: 5px; } .button { display: inline-block; background-color:
+      #4A90E2; color: white; text-decoration: none; padding: 12px 24px;
+      border-radius: 4px; font-weight: bold; margin: 20px 0; } .footer {
+      text-align: center; font-size: 12px; color: #777; margin-top: 30px; }
+      .feature { margin-bottom: 15px; display: flex; align-items: center; }
+      .feature-icon { display: inline-block; width: 20px; height: 20px;
+      background-color: #4A90E2; color: white; border-radius: 50%; text-align:
+      center; line-height: 20px; margin-right: 10px; font-weight: bold; }
+      .comparison { width: 100%; border-collapse: collapse; margin: 20px 0; }
+      .comparison th, .comparison td { padding: 10px; text-align: center;
+      border-bottom: 1px solid #ddd; } .comparison th { background-color:
+      #f2f2f2; } .highlight { background-color: #e6f2ff; }
+    </style>
+  </head>
+  <body>
+    <div class='container'>
+      <div class='header'>
+        {{! <img src="https://textbee.dev/logo.png" alt="textbee.dev Logo" class="logo"> }}
+      </div>
+
+      <div class='content'>
+        <h2>Hello {{name}},</h2>
+
+        <p>Thank you for using textbee.dev! We hope you're enjoying our service
+          so far.</p>
+
+        <p>We wanted to let you know that you're currently on our
+          <strong>Free Plan</strong>, which provides basic functionality. To
+          unlock the full potential of textbee.dev, consider upgrading to our
+          <strong>Pro Plan</strong>.</p>
+
+        <h3>Plan Comparison:</h3>
+
+        <table class='comparison'>
+          <tr>
+            <th>Feature</th>
+            <th>Free Plan</th>
+            <th class='highlight'>Pro Plan</th>
+          </tr>
+          <tr>
+            <td>Daily Message Limit</td>
+            <td>50</td>
+            <td class='highlight'>Unlimited</td>
+          </tr>
+          <tr>
+            <td>Monthly Recipient Limit</td>
+            <td>500</td>
+            <td class='highlight'>5,000</td>
+          </tr>
+          <tr>
+            <td>Device Limit</td>
+            <td>1</td>
+            <td class='highlight'>Unlimited</td>
+          </tr>
+          <tr>
+            <td>Bulk SMS Recipients</td>
+            <td>50</td>
+            <td class='highlight'>Unlimited</td>
+          </tr>
+          <tr>
+            <td>Support</td>
+            <td>Basic</td>
+            <td class='highlight'>Priority</td>
+          </tr>
+
+        </table>
+
+        <div style='text-align: center;'>
+          <a href='{{upgradeUrl}}' class='button'>Upgrade to Pro Now</a>
+        </div>
+
+        <p>If you have any questions about our plans or need assistance, please
+          feel free to contact us at
+          <a href='mailto:support@textbee.dev'>support@textbee.dev</a>.</p>
+
+        <p>Best regards,<br />The textbee.dev Team</p>
+      </div>
+
+      <div class='footer'>
+        <p>© 2025 textbee.dev.</p>
+      </div>
+    </div>
+  </body>
+</html>
--- a/api/src/users/users.module.ts
+++ b/api/src/users/users.module.ts
@ -1,8 +1,11 @@
-import { Module } from '@nestjs/common'
+import { forwardRef, Module } from '@nestjs/common'
 import { MongooseModule } from '@nestjs/mongoose'
 import { User, UserSchema } from './schemas/user.schema'
 import { UsersController } from './users.controller'
 import { UsersService } from './users.service'
+import { BillingModule } from 'src/billing/billing.module'
+import { Device, DeviceSchema } from 'src/gateway/schemas/device.schema'
+import { MailModule } from 'src/mail/mail.module'

@Module({
  imports: [
@ -11,7 +14,13 @@ import { UsersService } from './users.service'
        name: User.name,
        schema: UserSchema,
      },
+      {
+        name: Device.name,
+        schema: DeviceSchema,
+      },
    ]),
+    forwardRef(() => BillingModule),
+    MailModule,
  ],
  controllers: [UsersController],
  providers: [UsersService],
--- a/api/src/users/users.service.ts
+++ b/api/src/users/users.service.ts
@ -2,10 +2,19 @@ import { HttpException, HttpStatus, Injectable } from '@nestjs/common'
 import { InjectModel } from '@nestjs/mongoose'
 import { User, UserDocument } from './schemas/user.schema'
 import { Model } from 'mongoose'
+import { Cron, CronExpression } from '@nestjs/schedule'
+import { MailService } from '../mail/mail.service'
+import { BillingService } from '../billing/billing.service'
+import { Device, DeviceDocument } from '../gateway/schemas/device.schema'

@Injectable()
 export class UsersService {
-  constructor(@InjectModel(User.name) private userModel: Model<UserDocument>) {}
+  constructor(
+    @InjectModel(User.name) private userModel: Model<UserDocument>,
+    @InjectModel(Device.name) private deviceModel: Model<DeviceDocument>,
+    private mailService: MailService,
+    private billingService: BillingService,
+  ) {}

  async findOne(params) {
    return await this.userModel.findOne(params)
@ -62,4 +71,79 @@ export class UsersService {

    return await userToUpdate.save()
  }
+
+  
+  @Cron('0 19 * * *') // Every day at 7 PM
+  async sendEmailToInactiveNewUsers() {
+    try {
+      // Get users who signed up in the last 24 hours
+      const oneDayAgo = new Date(Date.now() - 24 * 60 * 60 * 1000)
+      const newUsers = await this.userModel.find({
+        createdAt: { $gte: oneDayAgo },
+      })
+
+      for (const user of newUsers) {
+        // Check if user has any devices
+        const devices = await this.deviceModel.find({ user: user._id })
+        
+        if (devices.length === 0) {
+          // User hasn't registered any device, send email
+          await this.mailService.sendEmailFromTemplate({
+            to: user.email,
+            subject: 'Get Started with textbee.dev - Register Your First Device',
+            template: 'inactive-new-user',
+            context: {
+              name: user.name,
+              registerDeviceUrl: `${process.env.FRONTEND_URL}/dashboard`,
+            },
+          })
+          
+          console.log(`Sent inactive new user email to ${user.email}`)
+        }
+      }
+    } catch (error) {
+      console.error('Error sending emails to inactive new users:', error)
+    }
+  }
+
+
+  @Cron('0 20 * * *') // Every day at 8 PM
+  async sendEmailToFreeUsers() {
+    try {
+      // Get users who signed up in the last 3 days
+      const threeDaysAgo = new Date(Date.now() - 3 * 24 * 60 * 60 * 1000)
+      const recentUsers = await this.userModel.find({
+        createdAt: { $gte: threeDaysAgo },
+      })
+
+      for (const user of recentUsers) {
+        // Check if user is on free plan
+        const subscription = await this.billingService.getActiveSubscription(user._id.toString())
+        
+        if (subscription && subscription.plan && subscription.plan.name === 'free') {
+          // User is still on free plan, send upgrade email
+          await this.mailService.sendEmailFromTemplate({
+            to: user.email,
+            subject: 'Upgrade to Pro for More Features - textbee.dev',
+            template: 'upgrade-to-pro',
+            context: {
+              name: user.name,
+              upgradeUrl: `${process.env.FRONTEND_URL}/checkout/pro`,
+              features: [
+                'Increased SMS sending limits',
+                'Priority support',
+                'Unlimited devices',
+                'Unlimited Bulk SMS Recipients',
+                'and more...'
+              ]
+            },
+          })
+          
+          console.log(`Sent upgrade to pro email to ${user.email}`)
+        }
+      }
+    } catch (error) {
+      console.error('Error sending emails to free plan users:', error)
+    }
+  }
 }