How To Fetch Realtime Data Using Pusher

How To Fetch Realtime Data Using Pusher

11 Jan 2022
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How To Fetch Realtime Data Using Pusher

By: Shivani Nerkar Category: Ruby on Rails Technologies: Ruby on Rails

What is a pusher?
Pusher is a hosted API service that makes adding real-time data and functionality to web and mobile applications seamless. Pusher works as a real-time communication layer between the server and the client.


How to use pusher for real-time data?


Following are the steps:

1) Create the rails application
- rails new real_time_app


2) Create a model and migrate that
- rails generate model Post title:text body:text author:text media:text
- rails db:migrate


3) Create a home page
- rails generate controller Home index
- create a home controller

create-home-page-in-pusher


4) Create the View of Index:
create-view-index-in-pusher

 

5) generate a controller for creating and storing the post:
- rails generate controller Post create a store


6) Set the routes:

set-the-routes-in-pusher


7) Design the view of creating a new post:

design-view-in-pusher


8) Add gem 'cloudinary' in gemfile and bundle install


9) write the logic to save the post:

save-the-post-in-pusher


10) Add the real-time functionality with pusher:
- add gem 'pusher' in gemfile and run bundle install
- create an account for the pusher and get all details that we required in the pusher.rb file


11) Create a config/initializers/pusher.rb file and add the following content to it:

config-pusher


12) Include the Pusher script in the header of the application layout:
<script src="https://js.pusher.com/4.1/pusher.min.js"></script>


13) Now, Update the index.html.erb:

update-pusher-index

14) Start the server and now you can see the real-time post.


Conclusion: We can use a pusher with rails to get the real-time data without reloading the
page. Real-time functionality provided by Pusher to display updates in real-time.




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