Task 

database structure

incidents -> accounts -> contacts

incident -> account, 1=>M,

account -> contact , 1=> M.

Incident, incident name - primary key, autogenerated, string

Account, Name - > unique string field

 Functionality 

create web api, asp core, ef code first (edited)

Introduce the API to create the following records: contacts, accounts, incidents (edited)

account cannot be created without contact

incident cannot be created without account

logic for incident creation method

 Request example 

request body

{

account name,

contact first name,

contact last name,

contact email, // unique identifier,

incident description,

}

 Validation 

if account name is not in the system -> API must return 404 – NotFound

if contact is in the system (check by email) -> update contact record, link contact to account if it has not been linked prevoisly.

 Otherwise, 

-create new contact with first name, last name, email and

-link just created contact to the account

-create new incident, for account and populate incident description field