[META] REST API Feature descriptions

[oliverklee]

(moved from https://github.com/phpList/phplist4-core/issues/177)

Feature descriptions

This describes some required features of phpList 4. The features will be used to accommodate inter-dependency between groups of features and related functionality.

Subscribers

• Subscriber sign-up

  A new subscriber registers themselves

  • Required:
    • Valid subscriber data including preferences is stored
    • Subscriptions to supplied lists are created
    • If no lists are supplied then no subscription is created
    • The confirmation status is unconfirmed
    • An email confirmation request is sent to the supplied address
    • When the confirmation link is visited the subscriber is marked confirmed
  • Optional:
    • Supplied values for existing subscriber attributes are stored
    • Supplied values for non-existing subscriber attributes trigger error

• Import subscribers

  One or more subscribers are imported by an administrator

  • Required:
    • All validated subscribers are stored
    • Existing subscribers are matched against those being imported based on email address or foreign key (where available)
    • If update subscription is requested then identified subscribers will have their data replaced where it differs
    • Return a summary of the import result with total subscribers imported, updated, duplicated, and errored
  • Optional:
    • If dry run is requested then return a summary of import results but do not store subscribers
    • If send confirmation is requested then imported subscribers are stored unconfirmed
    • If send confirmation is requested then a confirmation link is created and email sent
    • If email validation is requested then subscribers with invalid email addresses will be discarded
    • If old email retention is requested then where old and new email addresses conflict, prefer the old
    • If invalid assignation is requested then parse and apply custom email address where invalid addresses are provided

Subscriptions

To be done

Lists

To be done