refactor: src/lib/controller/index.ts

[btlghrants]

Describe what should be investigated or refactored

Refactor of src/lib/controller/index.ts to reduce complexity warnings:

src/lib/controller/index.ts
   40:3   warning  Constructor has too many parameters (5). Maximum allowed is 4                           max-params
  201:12  warning  Async arrow function has too many statements (28). Maximum allowed is 20    max-statements
  201:12  warning  Async arrow function has a complexity of 12. Maximum allowed is 10                 complexity

Additional context

In support of #1248