You might need to try yourself as no one can give readymade blocks for this.
- Get used to a database (Firebase Database is good)
- Look for guides in the community.
- Wherever you’re stuck, search in the community or create a new topic.
Also this guide may help:
BTW, you can save the data in Firebase Database and just get it wherever needed.
You’ll find it simple when you’ll get used to Firebase Database.
I also created a similar app like facebook (only text posts) using Firebase Database.
It was interesting but also very very confusing at some parts…
So all the best for your project.