https://github.com/piyush1146115/simple-notification-service

https://github.com/piyush1146115/simple-notification-service

Last synced: 19 days ago
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• Host: GitHub
• URL: https://github.com/piyush1146115/simple-notification-service
• Owner: piyush1146115
• License: apache-2.0
• Created: 2024-09-22T18:22:02.000Z (5 months ago)
• Default Branch: master
• Last Pushed: 2024-09-22T20:36:27.000Z (5 months ago)
• Last Synced: 2024-11-17T05:42:18.004Z (3 months ago)
• Language: Go
• Size: 17.6 KB
• Stars: 0
• Watchers: 1
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# simple-notification-service

Ref: https://www.freecodecamp.org/news/build-a-real-time-notification-system-with-go-and-kafka/

Let's Test the Real-Time Notification System👨‍🔬🖥️👩‍🔬

Now that the producer and consumer are ready, it’s time to see the system in action.

1. **Start the producer:**

   Open up a terminal, move into the `simple-notification-service` directory, and run the producer with the following command:

```bash

go run cmd/producer/producer.go

```

2. **Start the consumer:**

   Open up a second terminal window, navigate to the `simple-notification-service` directory, and start the consumer by running:

```bash

go run cmd/consumer/consumer.go

```

3. **Sending notifications:**

   With both producer and consumer running, you can simulate sending notifications. Open up a third terminal and use the below curl commands to send notifications:

User 1 (Emma) receives a notification from User 2 (Bruno):

```bash

curl -X POST http://localhost:8080/send -d "fromID=2&toID=1&message=Bruno started following you."

```

User 2 (Bruno) receives a notification from User 1 (Emma):

```bash

curl -X POST http://localhost:8080/send -d "fromID=1&toID=2&message=Emma mentioned you in a comment: 'Great seeing you yesterday, @Bruno\!'"

```

User 1 (Emma) receives a notification from User 4 (Lena):

```bash

curl -X POST http://localhost:8080/send -d "fromID=4&toID=1&message=Lena liked your post: 'My weekend getaway\!'"

```

4. **Retrieving notifications:**

   Finally, you can fetch the notifications of a specific user. You can use the below curl commands to fetch notifications:

Retrieving notifications for User 1 (Emma):

```bash

curl http://localhost:8081/notifications/1

```

Output:

```json

{"notifications": [{"from": {"id": 2, "name": "Bruno"}, "to": {"id": 1, "name": "Emma"}, "message": "Bruno started following you."}]}

{"notifications": [{"from": {"id": 4, "name": "Lena"}, "to": {"id": 1, "name": "Emma"}, "message": "Lena liked your post: 'My weekend getaway!'"}]}

```

In the above output, you see a JSON response listing all the notifications for Emma. As you send more notifications, they accumulate, and you can fetch them using the consumer’s API.