MailglassAdmin.Preview.Mount (MailglassAdmin v0.3.2)

Copy Markdown View Source

on_mount hook the Router macro appends after any adopter-provided :on_mount hooks. Reads the whitelisted session "mailables" value populated by MailglassAdmin.Router.__session__/2 and runs discovery before MailglassAdmin.PreviewLive.mount/3 fires.

Order (Phoenix LiveView 1.1)

session callback (MailglassAdmin.Router.__session__/2)
  -> opts[:on_mount] hooks (adopter-provided, in order given)
  -> MailglassAdmin.Preview.Mount (this module)
  -> MailglassAdmin.PreviewLive.mount/3

Adopter hooks run BEFORE this one so they can short-circuit ({:halt, socket}) without triggering discovery.

v0.1 always-cont contract

This hook returns {:cont, socket} unconditionally. The dev preview dashboard has no auth at v0.1 (CONTEXT D-01 dev-only scope). v0.5's prod-admin mount will ship a separate on_mount (or replace this one) with auth gating; keeping the v0.1 contract always-cont keeps the adopter-facing surface simple.

Boundary classification

Submodule auto-classifies into the MailglassAdmin root boundary declared in lib/mailglass_admin.ex; classify_to: is reserved for mix tasks and protocol implementations and is not used here.

Summary

Functions

on_mount(atom, params, session, socket)

Runs Discovery.discover/1 using the session-supplied mailables value and assigns :mailables on the socket.

Functions

on_mount(atom, params, session, socket)

@spec on_mount(
  atom(),
  map() | :not_mounted_at_router,
  map(),
  Phoenix.LiveView.Socket.t()
) ::
  {:cont, Phoenix.LiveView.Socket.t()}

Runs Discovery.discover/1 using the session-supplied mailables value and assigns :mailables on the socket.

Phoenix's on_mount machinery passes the module as-is (no stage atom), so the first arg is :default.