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Covid Status Tracker Single page Application using Salesforce Force.com Sites

Step1:
Create Corona Cases Object with the below fields.
State__c,
State_Code__c,
Confirmed__c,
Active__c,
Recovered__c,
Deaths__c,
Today_New_Cases__c,
Today_Recovered__c,
Today_Deaths__c,
Last_Updated_Time__c

Step2:
Register the Open Source API site under Remote Site Settings















Step3:
Create a Callout class in Salesforce using REST API to call the Opensource API from https://api.covid19india.org/data.json

 Callout Class:
https://github.com/NagarjunaKaipu/myLightning/blob/master/CovidInfoCallOuts.apxc
JSON2APEX Class.
https://github.com/NagarjunaKaipu/myLightning/blob/master/CovidJson.apxc
Sample JSON from Third-party Application.
https://github.com/NagarjunaKaipu/myLightning/blob/master/ThirdpartyRESTAPIJson.json

Step4:
Create a Schedulable class to run the callout class in the frequent intervals.
https://github.com/NagarjunaKaipu/myLightning/blob/master/ScheduleRefreshCovid.apxc

Step5:
Create Visualforce page to show the List of records on UI.

 VF page:
https://github.com/NagarjunaKaipu/myLightning/blob/master/CovidStatus.vfp
Controller class:
https://github.com/NagarjunaKaipu/myLightning/blob/master/CovidStatusController.apxc

Step6:
Go to Sites and Configure the site as shown below 
Site Home Page as your Visulaforce  page
Go to Public Access Settings and give access to 
Corona Cases object
Visualforce page
Controller class
Step7:
Activate the Site and your site URL looks like below
https://covid19india-developer-edition.ap4.force.com/CovidStatus

Sample Output:





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