MailglassAdmin.Operator.Shell (MailglassAdmin v2.4.1)

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Shared application shell for operator surfaces — the chrome wrapping both MailglassAdmin.OperatorLive (overview/deliveries) and MailglassAdmin.InboundLive (inbound records). The operator screens mount in the SAME operator live_session (one Operator.Mount + Auth gate). Preview can appear as a configured sibling nav link, but it remains a separate route/live-session boundary.

Provides:

  • a shared topbar plus persistent sidebar that navigates BETWEEN surfaces (Health / Preview / Deliveries / Inbound) — navigation, not filtering. The Inbound item is conditionally omitted via inbound_available? (the same OptionalDeps.MailglassInbound gate the router uses to decide whether to emit the /inbound route), so an operator without the inbound package never sees a dead link.
  • a shell-owned theme picker. Theme persists as an admin preference cookie, so Deliveries↔Inbound navigation and refreshes keep the same chrome without adding app preference state to URLs.

Nav links reset to each surface's base path (no delivery_id/inbound_id, no stale filters): switching surfaces is a fresh question, and inheriting a selected id across surfaces is the classic sidebar-nav footgun.

This is internal UI — not part of the stable router/auth contract.

Summary

Functions

dark_chrome?(params, cookie \\ nil)

True when the resolved theme selection is dark.

inbound_available?()

Whether the inbound surface is present — the SAME gate the router uses to decide whether to emit the /inbound route. Centralized here so the nav and the route never disagree.

orientation_strip(assigns)

Renders the orientation strip for an operator surface — a persistent, symptom-first guidance panel that appears when no record is selected. Each surface has frozen per-surface copy keyed on the most common operator questions for that surface.

set_theme_path(uri, theme)

Builds the target for setting the theme picker value through the HTTP persistence seam while preserving unrelated query params in return_to.

shell(assigns)

Renders the operator shell around a surface's body (passed as the inner block).

surface_paths(base_path, active, dark_chrome, tenant_id \\ nil)

Derives the {deliveries, inbound} nav paths from a screen's base_path, carrying only the shared ?tenant_id= scope across surfaces. active tells us which surface we're on so we can recover the operator root (the inbound screen's base_path has a trailing /inbound to strip).

tenant_selector(assigns)
tenant_switch_path(uri, tenant_id)

Builds a same-surface tenant switch path from the current URL.

theme_choice(params, cookie \\ nil)

Resolves the shell's three-choice picker state from the persisted preference cookie. URL ?theme= is legacy input and is normalized before rendering.

toggle_theme_path(uri, currently_dark?)

Builds the push_patch target for the theme toggle: flips the theme param on the CURRENT url, preserving every other filter/selection param.

Functions

dark_chrome?(params, cookie \\ nil)

True when the resolved theme selection is dark.

inbound_available?()

Whether the inbound surface is present — the SAME gate the router uses to decide whether to emit the /inbound route. Centralized here so the nav and the route never disagree.

orientation_strip(assigns)

Renders the orientation strip for an operator surface — a persistent, symptom-first guidance panel that appears when no record is selected. Each surface has frozen per-surface copy keyed on the most common operator questions for that surface.

Placed after defp flash_region/1 as the last function component in the module. No motion classes — born token-clean.

Attributes

  • surface (:atom) (required) - Must be one of :deliveries, :inbound, or :preview.

set_theme_path(uri, theme)

Builds the target for setting the theme picker value through the HTTP persistence seam while preserving unrelated query params in return_to.

The system choice removes the explicit theme query key.

shell(assigns)

Renders the operator shell around a surface's body (passed as the inner block).

Attributes

  • active (:atom) (required) - Must be one of :overview, :deliveries, or :inbound.
  • preview_path (:string) - Defaults to nil.
  • overview_path (:string) (required)
  • deliveries_path (:string) (required)
  • inbound_path (:string) (required)
  • inbound_available? (:boolean) - Defaults to false.
  • dark_chrome (:boolean) - Defaults to false.
  • theme_choice (:atom) - Defaults to :system. Must be one of :system, :light, or :dark.
  • title (:string) (required)
  • subtitle (:string) - Defaults to nil.
  • flash (:map) - Defaults to %{}.

Slots

  • inner_block (required)

surface_paths(base_path, active, dark_chrome, tenant_id \\ nil)

Derives the {deliveries, inbound} nav paths from a screen's base_path, carrying only the shared ?tenant_id= scope across surfaces. active tells us which surface we're on so we can recover the operator root (the inbound screen's base_path has a trailing /inbound to strip).

Only tenant_id is carried across surfaces — it is the shared scoping dimension. Surface-specific filters (delivery vs inbound status sets) are intentionally left behind, since they don't translate between surfaces.

tenant_selector(assigns)

Attributes

  • state (:atom) (required) - Must be one of :select_required, or :none.
  • tenant_options (:list) - Defaults to [].
  • current_uri (:string) (required)

tenant_switch_path(uri, tenant_id)

Builds a same-surface tenant switch path from the current URL.

Tenant switches preserve compatible filters and theme while dropping selected record ids that cannot safely carry across tenants.

theme_choice(params, cookie \\ nil)

Resolves the shell's three-choice picker state from the persisted preference cookie. URL ?theme= is legacy input and is normalized before rendering.

toggle_theme_path(uri, currently_dark?)

Builds the push_patch target for the theme toggle: flips the theme param on the CURRENT url, preserving every other filter/selection param.