Awesome

purescript-httpure-registration-example

Simple registration / sign-up flow implemented in PureScript with:

Cookies and session management (memory store)

Postgresql db to store registered users

Pure SQL operations (inserts & queries with aggregation) using purescript-selda

Send registration confirmation email

Used purescript HTTP server framework: HTTPure

Endpoints

• default
  • serves register.html file with email input form
  • submitting the form makes POST request to /register
• POST /register
  • with email in body
  • signes (using hmac) email concatenated with session id and uses it to create confirmation link
  • sends email with confirmation link (which leads to next endpoint)
• GET /confirm/<signed_email_with_session_id>
  • check signed email and session id
  • serves register-password.html file with password input form
  • submitting the form makes POST request to /confirm
• POST /confirm/<signed_email_with_session_id>
  • with password in body
  • check signed email and session id
  • tries to register the user in the database (email may be taken)