Enable stl download

Reviewed-on: #1

apps/submissions/emails.py

@@ -1,6 +1,6 @@
 """Outgoing email -- plan.md §7 (state-transition side effects).
 
-Three public functions, one per dedicated template:
+Five public functions, one per dedicated template:
 
   send_confirmation_email(submission)
       Guest path: token-link emailed immediately after `SubmitView` creates
@@ -20,7 +20,19 @@ Three public functions, one per dedicated template:
       rejection reason in the email as on the public detail page.
       Template: `emails/rejected.*`.
 
-All three delegate to Django's email machinery. The backend is wired in
+  send_printing_email(submission)
+      Fired on any transition into `status = printing` (operator clicks
+      "Start printing" in admin). Excited tone: "your print is on the
+      bed right now". Template: `emails/printing.*`.
+
+  send_completed_email(submission)
+      Fired on any transition into `status = completed` (operator clicks
+      "Mark completed"). Pickup-ready announcement; renders
+      `submission.operator_notes` as a "note from the operator" callout
+      when present (typically pickup instructions). Template:
+      `emails/completed.*`.
+
+All five delegate to Django's email machinery. The backend is wired in
 `hamprint/settings/base.py`: Mailtrap via `django-anymail` when
 `MAILTRAP_API_TOKEN` is present, console when not. Send failures are caught
 + logged so a flaky transport never blocks the submission flow.
@@ -146,3 +158,20 @@ def send_verifying_email(sub: Submission) -> bool:
     will be the queued / printing one."""
     detail_url = f"{settings.SITE_URL}/p/{sub.slug}/"
     return _send("verifying", sub, {"detail_url": detail_url})
+
+
+def send_printing_email(sub: Submission) -> bool:
+    """Notify the submitter that the print has just started (plan.md §7.3
+    `queued -> printing` transition). Excited tone -- the operator just
+    clicked "Start printing" in admin and the first layer is going down."""
+    detail_url = f"{settings.SITE_URL}/p/{sub.slug}/"
+    return _send("printing", sub, {"detail_url": detail_url})
+
+
+def send_completed_email(sub: Submission) -> bool:
+    """Notify the submitter that the print finished successfully and is
+    ready for pickup (plan.md §7.3 `printing -> completed` transition).
+    `submission.operator_notes` is rendered when present so any
+    pickup-instruction the operator typed in admin reaches the user."""
+    detail_url = f"{settings.SITE_URL}/p/{sub.slug}/"
+    return _send("completed", sub, {"detail_url": detail_url})

apps/submissions/models.py

@@ -294,11 +294,12 @@ class Submission(models.Model):
         currently owns the row, so the per-email cap and trust list don't
         depend on the caller remembering to set it.
 
-        Additionally: when an UPDATE flips `status` to `rejected` from any
+        Additionally: when an UPDATE flips `status` to a state with a
-        other state, this method queues `send_rejection_email()` via
+        dedicated email (`rejected`, `printing`, `completed`), this method
-        `transaction.on_commit`. Centralising the email here means **every**
+        queues the matching `send_*_email()` via `transaction.on_commit`.
-        save path -- admin, the validation worker, ad-hoc shell, any future
+        Centralising the dispatch here means **every** save path -- admin,
-        view -- fires the email through a single hook. Plan.md §7.3.
+        the validation worker, ad-hoc shell, any future view -- fires the
+        email through a single hook. Plan.md §7.3.
         """
         if not self.slug:
             self.slug = self._generate_unique_slug()
@@ -319,27 +320,37 @@ class Submission(models.Model):
 
         super().save(*args, **kwargs)
 
-        # Fire on TRANSITIONS only: an UPDATE that flips status to rejected.
+        # Fire on TRANSITIONS only: an UPDATE that flips status into one of
-        # Don't fire on inserts that start out as rejected -- those should
+        # the email-bearing target states. Don't fire on inserts that start
-        # be impossible by design (plan.md §7.3 doesn't define a (none) ->
+        # out in those states -- by plan.md §7.3 no submit-time edge lands
-        # rejected edge), and even if some weird path creates one we'd
+        # in rejected/printing/completed, and even if some weird path did,
-        # rather stay silent than spam a fresh victim.
+        # we'd rather stay silent than send "your print is ready" to a fresh
-        if (
+        # victim of a fixture/data-migration import.
-            not is_new
+        if not is_new and old_status != new_status:
-            and old_status != new_status
-            and new_status == self.Status.REJECTED
-        ):
             # Local imports keep this module out of the apps/submissions
             # import-cycle (emails.py imports from here).
             from django.db import transaction
-            from .emails import send_rejection_email
+            from .emails import (
-
+                send_completed_email,
-            transaction.on_commit(
+                send_printing_email,
-                lambda sub=self, prev=old_status: send_rejection_email(
+                send_rejection_email,
-                    sub, previous_status=prev
-                )
             )
 
+            if new_status == self.Status.REJECTED:
+                transaction.on_commit(
+                    lambda sub=self, prev=old_status: send_rejection_email(
+                        sub, previous_status=prev
+                    )
+                )
+            elif new_status == self.Status.PRINTING:
+                transaction.on_commit(
+                    lambda sub=self: send_printing_email(sub)
+                )
+            elif new_status == self.Status.COMPLETED:
+                transaction.on_commit(
+                    lambda sub=self: send_completed_email(sub)
+                )
+
         # Refresh the snapshot so a follow-up save on the same instance
         # compares against the just-persisted state, not the original load.
         self._original_status = new_status

apps/submissions/views.py

@@ -18,9 +18,11 @@ import secrets
 
 from django.contrib import messages
 from django.db import IntegrityError, transaction
+from django.http import FileResponse, Http404
 from django.urls import reverse, reverse_lazy
 from django.utils import timezone
 from django.utils.html import format_html
+from django.views.decorators.http import require_safe
 from django.views.generic import CreateView
 
 from .emails import send_confirmation_email
@@ -28,6 +30,48 @@ from .forms import SubmissionForm
 from .models import Submission, VerifiedEmail
 
 
+@require_safe
+def serve_stl(request, path: str):
+    """Auth-checked passthrough to a Submission's uploaded `.stl`. URL is
+    `/media/<path>` so it matches `MEDIA_URL` -- which means
+    `{{ submission.stl_file.url }}` in templates Just Works.
+
+    `path` is the relative name Django stored (e.g. `stl/foo.stl`); we
+    look the row up by that string rather than reading the filesystem
+    directly so an attacker can't escape `MEDIA_ROOT` with `..` segments.
+
+    Access tiers match `SubmissionDetailView` (plan.md §7.4 step 7):
+
+      - staff: yes (operators need the file to drive the printer).
+      - authenticated owner (`submitted_by == request.user`): yes.
+      - everyone else: 404 -- we deliberately don't 403 so the existence
+        of a row isn't leaked to non-owners by status code.
+
+    Guests can't authenticate by design, so they can't pull their own STL
+    via this path. That's consistent with the detail page's two-tier
+    access; the submitter has the file on their own machine in any case.
+    """
+    sub = Submission.objects.filter(stl_file=path).first()
+    if sub is None:
+        raise Http404
+    user = request.user
+    is_owner = (
+        user.is_authenticated
+        and sub.submitted_by_id is not None
+        and sub.submitted_by_id == user.id
+    )
+    if not (user.is_staff or is_owner):
+        raise Http404
+    # `FieldFile.open("rb")` is rooted in MEDIA_ROOT; FileResponse handles
+    # streaming, range requests, and closing the handle for us.
+    filename = sub.stl_file.name.rsplit("/", 1)[-1]
+    return FileResponse(
+        sub.stl_file.open("rb"),
+        as_attachment=True,
+        filename=filename,
+    )
+
+
 class SubmitView(CreateView):
     """Public submit form. GET renders, POST creates a Submission."""
 

compose.yaml

@@ -1,33 +1,5 @@
 # Production compose stack for hamprint.
 #
-# What changed from the previous bind-mount / pip-at-runtime version:
-#   - `web` is now BUILT from the Containerfile in this repo. Everything
-#     (Python deps, the Tailwind CLI binary, the built CSS, collectstatic
-#     output) bakes into the image; nothing is installed at container start.
-#   - No host source bind-mount: the container ships its own /app. Code
-#     changes require a `podman-compose up -d --build web`.
-#   - `DJANGO_SETTINGS_MODULE=hamprint.settings.prod` (DEBUG off, secure
-#     cookies, HSTS). DEBUG=True traffic should run from the host venv,
-#     not from this stack.
-#   - Uploaded STLs persist in a named `media` volume so they survive
-#     `podman-compose down` / image rebuilds. Drop with `down -v`.
-#
-# Bring it up:        podman-compose up -d --build
-# Rebuild only web:   podman-compose up -d --build web
-# Logs:               podman-compose logs -f web
-# Tear down:          podman-compose down       # keeps pgdata + media
-#                     podman-compose down -v    # nukes both volumes too
-#
-# `.env` keys you'll want set (see `.env.example` for the full list):
-#   SECRET_KEY            - long random string
-#   ALLOWED_HOSTS         - e.g. "print.hamlab.lt,localhost"
-#   SITE_URL              - e.g. "https://print.hamlab.lt"   (for emails)
-#   POSTGRES_DB / _USER / _PASSWORD
-#   MAILTRAP_API_TOKEN          (+ MAILTRAP_TEST_INBOX_ID for sandbox)
-#   GOOGLE_CLIENT_ID / _SECRET (optional; only if Google sign-in is wanted)
-#
-# TLS termination is the upstream proxy's job -- the `web` container speaks
-# plain HTTP on its mapped host port (default 8000).
 
 services:
   db:
@@ -59,6 +31,17 @@ services:
       - "8000:8000"
     volumes:
       - media:/app/media
+    labels:
+      traefik.enable: "true"
+      traefik.http.routers.hamprint.rule: "Host(`print.hamlab.lt`)"
+      traefik.http.middlewares.hamprint-https-redirect.redirectscheme.scheme: "https"
+      traefik.http.routers.hamprint.middlewares: "hamprint-https-redirect"
+      traefik.http.routers.hamprint-secure.entrypoints: "https"
+      traefik.http.routers.hamprint-secure.rule: "Host(`print.hamlab.lt`)"
+      traefik.http.routers.hamprint-secure.tls: "true"
+      traefik.http.routers.hamprint-secure.tls.certresolver: "lets-encrypt"
+      traefik.http.services.hamprint.loadbalancer.server.port: "8000"
+
     depends_on:
       db:
         condition: service_healthy

hamprint/settings/base.py

@@ -107,7 +107,7 @@ STATIC_URL = "static/"
 STATIC_ROOT = BASE_DIR / "staticfiles"
 STATICFILES_DIRS = [BASE_DIR / "static"] if (BASE_DIR / "static").exists() else []
 
-MEDIA_URL = "media/"
+MEDIA_URL = "/media/"
 MEDIA_ROOT = BASE_DIR / "media"
 
 STORAGES = {

hamprint/urls.py

@@ -18,6 +18,8 @@ Including another URLconf
 from django.contrib import admin
 from django.urls import include, path
 
+from apps.submissions.views import serve_stl
+
 urlpatterns = [
     path("admin/", admin.site.urls),
     # Our local /accounts/ routes (close-account, etc.) come BEFORE allauth's
@@ -25,6 +27,10 @@ urlpatterns = [
     # through to allauth.
     path("accounts/", include("apps.accounts.urls")),
     path("accounts/", include("allauth.urls")),
+    # Auth-checked media serve. Lives here (not in apps.submissions.urls)
+    # because the prefix is MEDIA_URL, not /submit/. WhiteNoise serves
+    # /static/ only, so this is the sole handler for /media/.
+    path("media/<path:path>", serve_stl, name="serve_stl"),
     path("", include("apps.dashboard.urls")),
     path("submit/", include("apps.submissions.urls")),
 ]

templates/account/login.html

@@ -14,22 +14,21 @@
       </p>
     </div>
 
-    {% comment %}
+    {# POST (not GET) so allauth's LoginView skips its intermediate confirm page and 302s straight to Google. #}
-      The button is a GET to allauth's google_login view -- not a POST form --
+    <form method="post" action="{% url 'google_login' %}">
-      because the actual OAuth handshake happens via a 302 redirect to Google.
+      {% csrf_token %}
-      The `?next=` from `/accounts/login/?next=/wherever/` is forwarded so the
+      {% if request.GET.next %}<input type="hidden" name="next" value="{{ request.GET.next }}">{% endif %}
-      user lands back on the page they were trying to reach.
+      <button type="submit"
-    {% endcomment %}
+              class="flex items-center justify-center gap-3 w-full px-4 py-3 rounded-md border border-slate-300 bg-white hover:bg-slate-50 text-slate-900 font-medium shadow-sm">
-    <a href="{% url 'google_login' %}{% if request.GET.next %}?next={{ request.GET.next|urlencode }}{% endif %}"
+        <svg class="w-5 h-5" viewBox="0 0 24 24" aria-hidden="true">
-       class="flex items-center justify-center gap-3 w-full px-4 py-3 rounded-md border border-slate-300 bg-white hover:bg-slate-50 text-slate-900 font-medium shadow-sm">
+          <path fill="#4285F4" d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.75h3.57c2.08-1.92 3.28-4.74 3.28-8.07z"/>
-      <svg class="w-5 h-5" viewBox="0 0 24 24" aria-hidden="true">
+          <path fill="#34A853" d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.75c-.99.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"/>
-        <path fill="#4285F4" d="M22.56 12.25c0-.78-.07-1.53-.2-2.25H12v4.26h5.92c-.26 1.37-1.04 2.53-2.21 3.31v2.75h3.57c2.08-1.92 3.28-4.74 3.28-8.07z"/>
+          <path fill="#FBBC05" d="M5.84 14.12A6.97 6.97 0 015.46 12c0-.74.13-1.45.36-2.12V7.04H2.18A10.99 10.99 0 001 12c0 1.77.42 3.45 1.18 4.96l3.66-2.84z"/>
-        <path fill="#34A853" d="M12 23c2.97 0 5.46-.98 7.28-2.66l-3.57-2.75c-.99.66-2.23 1.06-3.71 1.06-2.86 0-5.29-1.93-6.16-4.53H2.18v2.84C3.99 20.53 7.7 23 12 23z"/>
+          <path fill="#EA4335" d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.04l3.66 2.84C6.71 7.31 9.14 5.38 12 5.38z"/>
-        <path fill="#FBBC05" d="M5.84 14.12A6.97 6.97 0 015.46 12c0-.74.13-1.45.36-2.12V7.04H2.18A10.99 10.99 0 001 12c0 1.77.42 3.45 1.18 4.96l3.66-2.84z"/>
+        </svg>
-        <path fill="#EA4335" d="M12 5.38c1.62 0 3.06.56 4.21 1.64l3.15-3.15C17.45 2.09 14.97 1 12 1 7.7 1 3.99 3.47 2.18 7.04l3.66 2.84C6.71 7.31 9.14 5.38 12 5.38z"/>
+        Continue with Google
-      </svg>
+      </button>
-      Continue with Google
+    </form>
-    </a>
 
     <div class="mt-6 text-center">
       <a href="{% url 'submissions:create' %}" class="text-sm text-slate-600 hover:underline">No thanks, just submit as a guest →</a>

templates/dashboard/detail.html

@@ -136,13 +136,24 @@
     <div class="bg-white border border-slate-200 rounded-lg p-5">
       <h3 class="font-semibold text-sm uppercase tracking-wide text-slate-500 mb-3">Source</h3>
       {% if submission.source_type == 'upload' %}
-        <div class="flex items-center gap-3 p-3 rounded-md bg-slate-50 border border-slate-200">
+        {% if submission.stl_file %}
-          <svg class="w-8 h-8 text-slate-400 flex-shrink-0" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 00-3.375-3.375h-1.5A1.125 1.125 0 0113.5 7.125v-1.5a3.375 3.375 0 00-3.375-3.375H8.25m2.25 0H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 00-9-9z"/></svg>
+          <a href="{{ submission.stl_file.url }}" class="flex items-center gap-3 p-3 rounded-md bg-slate-50 border border-slate-200 hover:border-amber-400 hover:bg-amber-50/40">
-          <div class="flex-1 min-w-0">
+            <svg class="w-8 h-8 text-slate-400 flex-shrink-0" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 00-3.375-3.375h-1.5A1.125 1.125 0 0113.5 7.125v-1.5a3.375 3.375 0 00-3.375-3.375H8.25m2.25 0H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 00-9-9z"/></svg>
-            <p class="font-medium text-sm break-all">{% if submission.stl_file %}{{ submission.stl_file.name }}{% else %}(file not on disk){% endif %}</p>
+            <div class="flex-1 min-w-0">
-            <p class="text-xs text-slate-500">Raw <span class="mono">.stl</span> upload</p>
+              <p class="font-medium text-sm break-all">{{ submission.stl_file.name }}</p>
+              <p class="text-xs text-slate-500">Raw <span class="mono">.stl</span> upload &middot; click to download</p>
+            </div>
+            <svg class="w-4 h-4 text-slate-400 flex-shrink-0" fill="none" stroke="currentColor" stroke-width="2" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M3 16.5v2.25A2.25 2.25 0 005.25 21h13.5A2.25 2.25 0 0021 18.75V16.5M16.5 12L12 16.5m0 0L7.5 12m4.5 4.5V3"/></svg>
+          </a>
+        {% else %}
+          <div class="flex items-center gap-3 p-3 rounded-md bg-slate-50 border border-slate-200">
+            <svg class="w-8 h-8 text-slate-400 flex-shrink-0" fill="none" stroke="currentColor" stroke-width="1.5" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" d="M19.5 14.25v-2.625a3.375 3.375 0 00-3.375-3.375h-1.5A1.125 1.125 0 0113.5 7.125v-1.5a3.375 3.375 0 00-3.375-3.375H8.25m2.25 0H5.625c-.621 0-1.125.504-1.125 1.125v17.25c0 .621.504 1.125 1.125 1.125h12.75c.621 0 1.125-.504 1.125-1.125V11.25a9 9 0 00-9-9z"/></svg>
+            <div class="flex-1 min-w-0">
+              <p class="font-medium text-sm break-all">(file not on disk)</p>
+              <p class="text-xs text-slate-500">Raw <span class="mono">.stl</span> upload</p>
+            </div>
           </div>
-        </div>
+        {% endif %}
       {% else %}
         <a href="{{ submission.source_url }}" target="_blank" rel="noopener" class="flex items-center gap-3 p-3 rounded-md bg-slate-50 border border-slate-200 hover:border-amber-400 hover:bg-amber-50/40">
           <span class="w-10 h-10 rounded-md bg-amber-100 grid place-items-center text-amber-700 font-bold text-xs flex-shrink-0">{{ submission.source_type|slice:":1"|upper }}</span>

templates/emails/completed.body.html

@@ -0,0 +1,51 @@
+{% extends "emails/_base.html" %}
+{% block body %}
+<h1 style="margin:0 0 12px 0; font-size:22px; font-weight:700; color:#065f46; letter-spacing:-0.01em;">Your print is ready</h1>
+
+<p style="margin:0 0 16px 0; color:#334155; font-size:15px; line-height:1.55;">
+  Done! <strong style="font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; color:#92400e; font-weight:700;">{{ submission.slug }}</strong> came off the printer successfully and is waiting for you at hamlab.lt.
+</p>
+
+{# Pill colour comes from `Submission.STATUS_EMAIL_COLORS[COMPLETED]` -- the emerald palette used everywhere else for the "success" terminal state. #}
+<table role="presentation" cellpadding="0" cellspacing="0" border="0" style="margin:0 0 20px 0;">
+  <tr>
+    <td style="padding:6px 14px; background-color:{{ submission.status_email_style.bg }}; border-radius:9999px;">
+      <span style="color:{{ submission.status_email_style.fg }}; font-weight:600; font-size:14px; letter-spacing:0.01em;">
+        {{ submission.get_status_display }}
+      </span>
+    </td>
+  </tr>
+</table>
+
+{% if submission.operator_notes %}
+{# Pickup-instructions callout -- only rendered when the operator left a note (e.g. "in the green bin by the lasers"). #}
+<table role="presentation" cellpadding="0" cellspacing="0" border="0" width="100%" style="margin:0 0 24px 0;">
+  <tr>
+    <td style="padding:16px; background-color:#ecfdf5; border-left:3px solid #10b981; border-radius:0 4px 4px 0;">
+      <p style="margin:0 0 6px 0; font-size:11px; font-weight:600; color:#065f46; text-transform:uppercase; letter-spacing:0.06em;">
+        Note from the operator
+      </p>
+      <p style="margin:0; color:#334155; font-size:14px; line-height:1.55; white-space:pre-line;">{{ submission.operator_notes }}</p>
+    </td>
+  </tr>
+</table>
+{% endif %}
+
+<p style="margin:0 0 24px 0; color:#334155; font-size:15px; line-height:1.55;">
+  Come grab it whenever the lab is open. Thanks for printing with us!
+</p>
+
+<table role="presentation" cellpadding="0" cellspacing="0" border="0">
+  <tr>
+    <td style="background-color:#10b981; border-radius:6px;">
+      <a href="{{ detail_url }}" style="display:inline-block; padding:12px 24px; color:#ffffff; font-weight:600; font-size:15px; text-decoration:none; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;">
+        View pickup details
+      </a>
+    </td>
+  </tr>
+</table>
+
+<p style="margin:18px 0 0 0; font-size:13px; color:#64748b;">
+  Direct link: <span style="color:#475569; word-break:break-all; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;">{{ detail_url }}</span>
+</p>
+{% endblock %}

templates/emails/completed.body.txt

@@ -0,0 +1,19 @@
+Hi,
+
+Your hamprint is done! "{{ submission.slug }}" came off the printer
+successfully and is waiting for you at hamlab.lt.
+
+    Codename : {{ submission.slug }}
+    Status   : Completed
+{% if submission.operator_notes %}
+A note from the operator:
+
+    {{ submission.operator_notes }}
+{% endif %}
+Come grab it whenever the lab is open. Thanks for printing with us!
+
+Pickup details and a photo (if the operator left one) are here:
+    {{ detail_url }}
+
+— hamprint
+{{ site_url }}

templates/emails/completed.subject.txt

@@ -0,0 +1 @@
+hamprint: {{ submission.slug }} is ready for pickup

templates/emails/printing.body.html

@@ -0,0 +1,37 @@
+{% extends "emails/_base.html" %}
+{% block body %}
+<h1 style="margin:0 0 12px 0; font-size:22px; font-weight:700; color:#9a3412; letter-spacing:-0.01em;">Your print is starting</h1>
+
+<p style="margin:0 0 16px 0; color:#334155; font-size:15px; line-height:1.55;">
+  Great news &mdash; <strong style="font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; color:#92400e; font-weight:700;">{{ submission.slug }}</strong> is on the printer right now. The operator has started the job and the first layer is going down.
+</p>
+
+{# Pill colour comes from `Submission.STATUS_EMAIL_COLORS[PRINTING]` -- warm orange to mirror the live-printing chip on the dashboard. #}
+<table role="presentation" cellpadding="0" cellspacing="0" border="0" style="margin:0 0 20px 0;">
+  <tr>
+    <td style="padding:6px 14px; background-color:{{ submission.status_email_style.bg }}; border-radius:9999px;">
+      <span style="color:{{ submission.status_email_style.fg }}; font-weight:600; font-size:14px; letter-spacing:0.01em;">
+        {{ submission.get_status_display }}
+      </span>
+    </td>
+  </tr>
+</table>
+
+<p style="margin:0 0 24px 0; color:#334155; font-size:15px; line-height:1.55;">
+  We'll email you again the moment it finishes so you know when to come pick it up. Nothing for you to do right now &mdash; feel free to track progress at the link below.
+</p>
+
+<table role="presentation" cellpadding="0" cellspacing="0" border="0">
+  <tr>
+    <td style="background-color:#f59e0b; border-radius:6px;">
+      <a href="{{ detail_url }}" style="display:inline-block; padding:12px 24px; color:#ffffff; font-weight:600; font-size:15px; text-decoration:none; font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;">
+        Follow the print
+      </a>
+    </td>
+  </tr>
+</table>
+
+<p style="margin:18px 0 0 0; font-size:13px; color:#64748b;">
+  Direct link: <span style="color:#475569; word-break:break-all; font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;">{{ detail_url }}</span>
+</p>
+{% endblock %}

templates/emails/printing.body.txt

@@ -0,0 +1,17 @@
+Hi,
+
+Great news -- your hamprint submission "{{ submission.slug }}" is on the
+printer right now. The operator has started the job and the first layer
+is going down.
+
+    Codename : {{ submission.slug }}
+    Status   : Printing
+
+We'll send one more email when it finishes, so you know when to come
+pick it up. No action needed in the meantime.
+
+You can also follow along here:
+    {{ detail_url }}
+
+— hamprint
+{{ site_url }}

templates/emails/printing.subject.txt

@@ -0,0 +1 @@
+hamprint: {{ submission.slug }} is on the printer