Fix UnboundLocalError for filament_low in start_job

Variable was only assigned inside a nested if-block; initialise to False
at the top of the filament-logging section so all code paths define it.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.env.install

@@ -6,6 +6,9 @@ MYSQL_PASSWORD=
 STL_UPLOAD_DIR=/data/stl
 TZ=Europe/Berlin
 FILAMENTDB_URL=https://web.filamentdb.orb.local
+VIKUNJA_URL=https://task.example.com
+VIKUNJA_API_TOKEN=
+VIKUNJA_PROJECT_ID=
 VAT_RATE=19
 FILAMENT_PRICE_PER_KG=15
 MATERIAL_FACTOR=0.50

app/estimation.py

@@ -46,11 +46,12 @@ def estimate(volume_ccm: float, material: str | None) -> dict:
     PRINT_SPEED_G_PER_HOUR (env, default 32):
       ~32 g/h matches Bambu Lab at normal quality; use ~20 for slower printers.
     """
-    vat_rate      = float(os.environ.get("VAT_RATE", 19))
-    price_per_kg  = float(os.environ.get("FILAMENT_PRICE_PER_KG", 15))
-    base_factor   = float(os.environ.get("MATERIAL_FACTOR", 0.50))
-    print_speed   = float(os.environ.get("PRINT_SPEED_G_PER_HOUR", 32))
-    density       = _DENSITY.get(material or "", _DEFAULT_DENSITY)
+    vat_rate              = float(os.environ.get("VAT_RATE", 19))
+    price_per_kg          = float(os.environ.get("FILAMENT_PRICE_PER_KG", 15))
+    base_factor           = float(os.environ.get("MATERIAL_FACTOR", 0.50))
+    print_speed           = float(os.environ.get("PRINT_SPEED_G_PER_HOUR", 32))
+    printer_cost_per_hour = float(os.environ.get("PRINTER_COST_PER_HOUR", 0.35))
+    density               = _DENSITY.get(material or "", _DEFAULT_DENSITY)
 
     eff_factor    = _effective_factor(volume_ccm, base_factor)
     material_ccm  = volume_ccm * eff_factor
@@ -59,18 +60,21 @@ def estimate(volume_ccm: float, material: str | None) -> dict:
 
     filament_cost  = weight_g / 1000 * price_per_kg
     after_misprint = filament_cost * 1.20
-    net_price      = after_misprint * 1.30
+    printer_cost   = (print_minutes / 60) * printer_cost_per_hour
+    net_price      = (after_misprint + printer_cost) * 1.30
     gross_price    = net_price * (1 + vat_rate / 100)
 
     return {
-        "material_ccm":    round(material_ccm, 2),
-        "weight_g":        round(weight_g, 1),
-        "print_minutes":   print_minutes,
-        "filament_cost":   round(filament_cost, 2),
-        "net_price":       round(net_price, 2),
-        "gross_price":     round(gross_price, 2),
-        "vat_rate":        vat_rate,
-        "price_per_kg":    price_per_kg,
-        "material_factor": eff_factor,
-        "print_speed":     print_speed,
+        "material_ccm":         round(material_ccm, 2),
+        "weight_g":             round(weight_g, 1),
+        "print_minutes":        print_minutes,
+        "filament_cost":        round(filament_cost, 2),
+        "printer_cost":         round(printer_cost, 2),
+        "net_price":            round(net_price, 2),
+        "gross_price":          round(gross_price, 2),
+        "vat_rate":             vat_rate,
+        "price_per_kg":         price_per_kg,
+        "material_factor":      eff_factor,
+        "print_speed":          print_speed,
+        "printer_cost_per_hour": printer_cost_per_hour,
     }

app/routers/todos.py

@@ -1,21 +1,24 @@
-from fastapi import APIRouter, Depends
-from sqlalchemy.orm import Session
-
-from app.db import get_db
-from app.models.todo import Todo
+from fastapi import APIRouter
+from app.vikunja import create_task, delete_task, get_tasks, update_task
 
 router = APIRouter(prefix="/todos", tags=["todos"])
 
 
 @router.get("/")
-def list_todos(db: Session = Depends(get_db)):
-    return [t.to_dict() for t in db.query(Todo).all()]
+def list_todos():
+    return get_tasks()
 
 
-@router.get("/{todo_id}")
-def get_todo(todo_id: int, db: Session = Depends(get_db)):
-    todo = db.query(Todo).filter(Todo.id == todo_id).first()
-    if not todo:
-        from fastapi import HTTPException
-        raise HTTPException(status_code=404, detail="Todo not found")
-    return todo.to_dict()
+@router.post("/")
+def create_todo(body: dict):
+    return create_task(body.get("title", ""))
+
+
+@router.post("/{task_id}")
+def update_todo(task_id: int, body: dict):
+    update_task(task_id, **body)
+
+
+@router.delete("/{task_id}")
+def delete_todo(task_id: int):
+    delete_task(task_id)

app/routers/ui.py

@@ -20,7 +20,7 @@ from app.models.printer import Printer, PrinterStatus
 from app.models.printer_log import PrinterLog
 from app.models.printer_type import PrinterType
 from app.models.pricing import PricingConfig
-from app.models.todo import Todo
+from app.vikunja import create_task as vikunja_create, delete_task as vikunja_delete, get_tasks as vikunja_tasks, update_task as vikunja_update
 from app.constants import COLORS, MATERIALS
 from app.estimation import estimate  # also used in start_job
 from app.filamentdb import (available_colors, available_materials, find_matching_ams_roll,
@@ -163,6 +163,21 @@ def jobs_page(request: Request, q: str = "", bracket_id: str = "", show_all: str
     )
     jobs = query.order_by(status_order, PrintJob.priority.desc(), PrintJob.created_at.asc()).all()
 
+    stl_files = list_stl_files()
+    stl_cache = get_cache_map(stl_files, db)
+
+    bracket_gross_total = None
+    if active_bracket:
+        total = 0.0
+        has_any = False
+        for j in active_bracket.jobs:
+            cached = stl_cache.get(j.file_name)
+            if cached and cached.volume_ccm:
+                total += estimate(cached.volume_ccm, j.job_material)["gross_price"]
+                has_any = True
+        if has_any:
+            bracket_gross_total = round(total, 2)
+
     return templates.TemplateResponse("jobs.html", {
         "request": request,
         "active": "jobs",
@@ -172,10 +187,11 @@ def jobs_page(request: Request, q: str = "", bracket_id: str = "", show_all: str
         "show_all": bool(show_all),
         "hidden_count": hidden_count,
         "active_bracket": active_bracket,
+        "bracket_gross_total": bracket_gross_total,
         "printers": db.query(Printer).order_by(Printer.name).all(),
         "brackets": db.query(JobBracket).order_by(JobBracket.name).all(),
-        "stl_files": (stl_files := list_stl_files()),
-        "stl_cache": get_cache_map(stl_files, db),
+        "stl_files": stl_files,
+        "stl_cache": stl_cache,
         "materials": available_materials() or MATERIALS,
         "colors": available_colors() or COLORS,
         "spool_map": spool_counts(),
@@ -329,6 +345,7 @@ def start_job(job_id: int, printer_id: int = Form(...), db: Session = Depends(ge
     db.add(JobLog(job_id=job_id, message=f"Job started on {printer.name}"))
 
     # Log filament usage against matching AMS roll in FilamentDB
+    filament_low = False
     if job.job_material and job.job_color:
         stl = db.query(StlCache).filter_by(filename=job.file_name).first() if job.file_name else None
         if stl and stl.volume_ccm:
@@ -343,6 +360,8 @@ def start_job(job_id: int, printer_id: int = Form(...), db: Session = Depends(ge
                         f"(AMS slot {roll['slot']} — {roll['material']} {roll['color']}, "
                         f"{roll['weight_remaining_g']} g remaining, least-full roll selected)"
                     )))
+                    if roll["weight_remaining_g"] - weight_g < 100:
+                        filament_low = True
                 else:
                     db.add(JobLog(job_id=job_id, message=f"FilamentDB: print log failed for roll #{roll['roll_id']}"))
             else:
@@ -351,6 +370,8 @@ def start_job(job_id: int, printer_id: int = Form(...), db: Session = Depends(ge
                 )))
 
     db.commit()
+    if filament_low:
+        vikunja_create("Check filament status")
     return RedirectResponse(url=f"/jobs/{job_id}", status_code=HTTP_303_SEE_OTHER)
 
 
@@ -406,7 +427,20 @@ def finish_job(job_id: int, db: Session = Depends(get_db)):
         job.printer.status = PrinterStatus.idle
 
     db.add(JobLog(job_id=job_id, message=f"Job finished on {printer_name}"))
+
+    # Every 3rd completed print on this printer → cleaning reminder
+    cleaning_todo = False
+    if job.printer_id:
+        done_count = db.query(PrintJob).filter(
+            PrintJob.printer_id == job.printer_id,
+            PrintJob.status == JobStatus.done,
+        ).count()
+        if (done_count + 1) % 3 == 0:
+            cleaning_todo = True
+
     db.commit()
+    if cleaning_todo:
+        vikunja_create(f"Clean build plate on {printer_name}")
     return RedirectResponse(url=f"/jobs/{job_id}", status_code=HTTP_303_SEE_OTHER)
 
 
@@ -457,17 +491,37 @@ def bracket_detail_redirect(bracket_id: int):
     return RedirectResponse(url=f"/jobs?bracket_id={bracket_id}", status_code=HTTP_303_SEE_OTHER)
 
 
-# ── To-Do ──────────────────────────────────────────────────────────────────────
+# ── To-Do (Vikunja) ────────────────────────────────────────────────────────────
 
 @router.get("/todos", response_class=HTMLResponse)
-def todos_page(request: Request, db: Session = Depends(get_db)):
+def todos_page(request: Request):
+    tasks = vikunja_tasks()
+    tasks.sort(key=lambda t: (t.get("done", False), t.get("created", "")), reverse=False)
     return templates.TemplateResponse("todos.html", {
         "request": request,
         "active": "todos",
-        "todos": db.query(Todo).order_by(Todo.done, Todo.created_at.desc()).all(),
+        "todos": tasks,
     })
 
 
+@router.post("/todos")
+def create_todo(title: str = Form(...)):
+    vikunja_create(title.strip())
+    return RedirectResponse(url="/todos", status_code=HTTP_303_SEE_OTHER)
+
+
+@router.post("/todos/{task_id}/done")
+def done_todo(task_id: int):
+    vikunja_update(task_id, done=True)
+    return RedirectResponse(url="/todos", status_code=HTTP_303_SEE_OTHER)
+
+
+@router.post("/todos/{task_id}/delete")
+def delete_todo(task_id: int):
+    vikunja_delete(task_id)
+    return RedirectResponse(url="/todos", status_code=HTTP_303_SEE_OTHER)
+
+
 # ── Pricing ────────────────────────────────────────────────────────────────────
 
 @router.get("/pricing", response_class=HTMLResponse)

app/templates/base.html

@@ -37,7 +37,17 @@
   <nav id="sidebar" class="p-3 d-flex flex-column gap-3">
     <a href="/" class="brand text-decoration-none pb-3">
       <div class="d-flex align-items-center gap-2">
-        <i class="bi bi-printer-fill text-primary fs-5"></i>
+        <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" fill="#58a6ff">
+            <!-- extruder head -->
+            <rect x="7" y="1" width="10" height="5" rx="1.5"/>
+            <!-- nozzle taper -->
+            <path d="M8 6h8l-2.5 5.5h-3z"/>
+            <!-- filament bead -->
+            <circle cx="12" cy="13.5" r="1.25"/>
+            <!-- printed layers -->
+            <rect x="1.5" y="16.5" width="21" height="2.5" rx="1.25"/>
+            <rect x="1.5" y="21" width="21" height="2" rx="1" fill-opacity="0.55"/>
+          </svg>
         <div>
           <div class="text-white fw-semibold lh-sm">POPS</div>
           <div class="text-secondary lh-sm" style="font-size:.68rem;letter-spacing:.03em">PRINT FARM MANAGER</div>

app/templates/dashboard.html

@@ -86,11 +86,11 @@
           <td class="text-secondary small">{{ j.printer.name if j.printer else '—' }}</td>
           <td>
             {% set s = j.status.value %}
-            {% if   s == 'printing'  %}<span class="badge bg-primary">printing</span>
+            {% if   s == 'printing'  %}<span class="badge bg-warning text-dark">printing</span>
             {% elif s == 'done'      %}<span class="badge bg-success">done</span>
             {% elif s == 'failed'    %}<span class="badge bg-danger">failed</span>
-            {% elif s == 'cancelled' %}<span class="badge bg-warning text-dark">cancelled</span>
-            {% else                  %}<span class="badge bg-secondary">queued</span>
+            {% elif s == 'cancelled' %}<span class="badge bg-secondary">cancelled</span>
+            {% else                  %}<span class="badge border border-warning text-warning" style="background:#000">queued</span>
             {% endif %}
           </td>
           <td class="text-secondary small text-end">{{ j.created_at.strftime('%d.%m %H:%M') }}</td>

app/templates/job_detail.html

@@ -11,11 +11,11 @@
       <h5 class="text-white mb-0">{{ job.file_name or job.name }}</h5>
       {% set s = job.status.value %}
       {% if job.priority %}<span class="badge bg-warning text-dark"><i class="bi bi-exclamation-circle me-1"></i>Priority</span>{% endif %}
-      {% if   s == 'printing'  %}<span class="badge bg-primary">printing</span>
+      {% if   s == 'printing'  %}<span class="badge bg-warning text-dark">printing</span>
       {% elif s == 'done'      %}<span class="badge bg-success">done</span>
       {% elif s == 'failed'    %}<span class="badge bg-danger">failed</span>
-      {% elif s == 'cancelled' %}<span class="badge bg-warning text-dark">cancelled</span>
-      {% else                  %}<span class="badge bg-secondary">queued</span>
+      {% elif s == 'cancelled' %}<span class="badge bg-secondary">cancelled</span>
+      {% else                  %}<span class="badge border border-warning text-warning" style="background:#000">queued</span>
       {% endif %}
     </div>
     <div class="text-secondary small font-monospace mt-1">{{ job.job_uuid or '—' }}</div>
@@ -155,6 +155,7 @@
       {{ (estimation.material_factor * 100) | round | int }}% material factor
       · {{ estimation.print_speed | int }} g/h
       · {{ estimation.price_per_kg }} €/kg
+      · {{ estimation.printer_cost_per_hour }} €/h printer
       · {{ estimation.vat_rate }}% VAT
     </span>
   </div>
@@ -188,6 +189,8 @@
                 <td class="border-0">{{ "%.2f"|format(estimation.filament_cost) }} €</td></tr>
             <tr><td class="text-secondary">+ 20 % misprint</td>
                 <td>{{ "%.2f"|format(estimation.filament_cost * 1.2) }} €</td></tr>
+            <tr><td class="text-secondary">Printer ({{ estimation.printer_cost_per_hour }} €/h)</td>
+                <td>{{ "%.2f"|format(estimation.printer_cost) }} €</td></tr>
           </tbody>
         </table>
       </div>

app/templates/jobs.html

@@ -26,6 +26,11 @@
   <span class="badge bg-secondary fs-6 fw-normal px-3 py-2">
     <i class="bi bi-collection me-1"></i>{{ active_bracket.name }}
   </span>
+  {% if bracket_gross_total is not none %}
+  <span class="badge bg-dark border border-secondary fs-6 fw-normal px-3 py-2 text-white">
+    <i class="bi bi-currency-euro me-1 text-secondary"></i>{{ "%.2f"|format(bracket_gross_total) }} <span class="text-secondary fw-normal" style="font-size:.75em">gross total</span>
+  </span>
+  {% endif %}
   <a href="/jobs{% if q %}?q={{ q }}{% endif %}" class="text-secondary text-decoration-none small">× clear filter</a>
 </div>
 {% elif q %}
@@ -74,11 +79,11 @@
       </td>
       <td>
         {% set s = j.status.value %}
-        {% if   s == 'printing'  %}<span class="badge bg-primary">printing</span>
+        {% if   s == 'printing'  %}<span class="badge bg-warning text-dark">printing</span>
         {% elif s == 'done'      %}<span class="badge bg-success">done</span>
         {% elif s == 'failed'    %}<span class="badge bg-danger">failed</span>
-        {% elif s == 'cancelled' %}<span class="badge bg-warning text-dark">cancelled</span>
-        {% else                  %}<span class="badge bg-secondary">queued</span>
+        {% elif s == 'cancelled' %}<span class="badge bg-secondary">cancelled</span>
+        {% else                  %}<span class="badge border border-warning text-warning" style="background:#000">queued</span>
         {% endif %}
       </td>
       <td class="text-secondary text-end">{{ j.created_at.strftime('%d.%m.%Y %H:%M') }}</td>

app/templates/todos.html

@@ -2,39 +2,63 @@
 {% block title %}To-Do — POPS{% endblock %}
 
 {% block content %}
-<h5 class="text-white mb-4">To-Do</h5>
+<div class="d-flex align-items-center justify-content-between mb-4">
+  <h5 class="text-white mb-0">To-Do</h5>
+</div>
+
+{# ── Add task ── #}
+<form method="POST" action="/todos" class="mb-3 d-flex gap-2" style="max-width:480px">
+  <input type="text" name="title" required
+         class="form-control form-control-sm bg-dark border-secondary text-white"
+         placeholder="New task…">
+  <button type="submit" class="btn btn-sm btn-primary px-3">Add</button>
+</form>
+
 <div class="card">
   {% if todos %}
-  <table class="table table-dark table-hover mb-0 align-middle">
+  <table class="table table-dark table-hover mb-0 align-middle" style="font-size:.875rem">
     <thead>
       <tr class="text-secondary small">
+        <th class="fw-normal" style="width:32px"></th>
         <th class="fw-normal">Task</th>
-        <th class="fw-normal">Printer</th>
-        <th class="fw-normal text-center">Done</th>
         <th class="fw-normal text-end">Created</th>
+        <th class="fw-normal" style="width:40px"></th>
       </tr>
     </thead>
     <tbody>
     {% for t in todos %}
-    <tr class="{% if t.done %}opacity-50{% endif %}">
-      <td class="{% if t.done %}text-decoration-line-through text-secondary{% else %}text-white{% endif %}">
-        {{ t.title }}
-      </td>
-      <td class="text-secondary small">{{ t.printer.name if t.printer else '—' }}</td>
-      <td class="text-center">
-        {% if t.done %}
+    {% set done = t.done %}
+    <tr class="{% if done %}opacity-50{% endif %}">
+      <td>
+        {% if done %}
           <i class="bi bi-check-circle-fill text-success"></i>
         {% else %}
-          <i class="bi bi-circle text-secondary"></i>
+        <form method="POST" action="/todos/{{ t.id }}/done" class="m-0">
+          <button type="submit" class="btn btn-link p-0 text-secondary" title="Mark done">
+            <i class="bi bi-circle"></i>
+          </button>
+        </form>
         {% endif %}
       </td>
-      <td class="text-secondary small text-end">{{ t.created_at.strftime('%d.%m.%Y') }}</td>
+      <td class="{% if done %}text-decoration-line-through text-secondary{% else %}text-white{% endif %}">
+        {{ t.title }}
+      </td>
+      <td class="text-secondary small text-end text-nowrap">
+        {{ t.created[:10] if t.created else '—' }}
+      </td>
+      <td>
+        <form method="POST" action="/todos/{{ t.id }}/delete" class="m-0 text-end">
+          <button type="submit" class="btn btn-link p-0 text-secondary" title="Delete">
+            <i class="bi bi-trash3"></i>
+          </button>
+        </form>
+      </td>
     </tr>
     {% endfor %}
     </tbody>
   </table>
   {% else %}
-  <div class="card-body text-secondary">No to-do items yet.</div>
+  <div class="card-body text-secondary">No tasks. Nice.</div>
   {% endif %}
 </div>
 {% endblock %}

app/vikunja.py

@@ -0,0 +1,114 @@
+"""Vikunja task API client."""
+import logging
+import os
+
+import httpx
+
+logger = logging.getLogger("pops")
+
+_pops_label_id: int | None = None
+
+
+def _base() -> str:
+    return os.environ.get("VIKUNJA_URL", "").rstrip("/")
+
+
+def _headers() -> dict:
+    return {
+        "Authorization": f"Bearer {os.environ.get('VIKUNJA_API_TOKEN', '')}",
+        "Content-Type": "application/json",
+    }
+
+
+def _project_id() -> int:
+    return int(os.environ.get("VIKUNJA_PROJECT_ID", 0))
+
+
+def _get_or_create_pops_label() -> int | None:
+    """Return the ID of the 'POPS' label, creating it if it doesn't exist."""
+    global _pops_label_id
+    if _pops_label_id is not None:
+        return _pops_label_id
+    try:
+        r = httpx.get(f"{_base()}/api/v1/labels", headers=_headers(), timeout=5)
+        r.raise_for_status()
+        for label in r.json() or []:
+            if label.get("title") == "POPS":
+                _pops_label_id = label["id"]
+                return _pops_label_id
+        # Not found — create it
+        r = httpx.put(
+            f"{_base()}/api/v1/labels",
+            headers=_headers(),
+            json={"title": "POPS"},
+            timeout=5,
+        )
+        r.raise_for_status()
+        _pops_label_id = r.json()["id"]
+        return _pops_label_id
+    except Exception:
+        logger.warning("Vikunja: failed to get or create POPS label")
+        return None
+
+
+def get_tasks() -> list[dict]:
+    try:
+        r = httpx.get(
+            f"{_base()}/api/v1/projects/{_project_id()}/tasks",
+            headers=_headers(),
+            params={"sort_by": "created", "order_by": "desc"},
+            timeout=5,
+        )
+        r.raise_for_status()
+        return r.json() or []
+    except Exception:
+        logger.warning("Vikunja: failed to fetch tasks")
+        return []
+
+
+def create_task(title: str) -> dict | None:
+    label_id = _get_or_create_pops_label()
+    payload: dict = {"title": title}
+    if label_id:
+        payload["labels"] = [{"id": label_id}]
+    try:
+        r = httpx.put(
+            f"{_base()}/api/v1/projects/{_project_id()}/tasks",
+            headers=_headers(),
+            json=payload,
+            timeout=5,
+        )
+        r.raise_for_status()
+        return r.json()
+    except Exception:
+        logger.warning("Vikunja: failed to create task %r", title)
+        return None
+
+
+def update_task(task_id: int, **fields) -> bool:
+    try:
+        r = httpx.post(
+            f"{_base()}/api/v1/tasks/{task_id}",
+            headers=_headers(),
+            json=fields,
+            timeout=5,
+        )
+        r.raise_for_status()
+        return True
+    except Exception:
+        logger.warning("Vikunja: failed to update task %s", task_id)
+        return False
+
+
+def delete_task(task_id: int) -> bool:
+    try:
+        r = httpx.delete(
+            f"{_base()}/api/v1/tasks/{task_id}",
+            headers=_headers(),
+            timeout=5,
+        )
+        r.raise_for_status()
+        return True
+    except Exception:
+        logger.warning("Vikunja: failed to delete task %s", task_id)
+        return False