first commit

backend/api/print_api.py

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+"""API gestion de la file d'attente d'impression."""
+
+import logging
+from pathlib import Path
+
+from fastapi import APIRouter, Request, Query
+from fastapi.responses import JSONResponse
+
+logger = logging.getLogger(__name__)
+router = APIRouter()
+
+
+@router.get("/print/request")
+async def print_request(
+    request: Request,
+    filename: str = Query(..., description="Chemin absolu du fichier à imprimer"),
+    copies: int = Query(default=1, ge=1, le=3),
+):
+    """
+    Reçoit la demande d'impression depuis photobooth-app
+    (appelé par le share_command 'Demande d'impression').
+    """
+    printer_svc = request.app.state.printer_service
+    pb = request.app.state.photobooth_service
+    led = request.app.state.led_service
+    ws = request.app.state.ws_manager
+
+    # Construit l'URL de miniature depuis le filename
+    stem = Path(filename).stem
+    thumb_url = pb.thumbnail_url(stem)
+
+    entry = await printer_svc.add_request(filename, thumb_url, copies)
+
+    await ws.broadcast({"type": "print_request", "entry": entry})
+
+    # Feedback LED si impression directe
+    if request.app.state.config.print.mode == "direct":
+        led.play("printing")
+
+    logger.info("Demande impression reçue: %s", filename)
+    return {"ok": True, "id": entry["id"], "mode": request.app.state.config.print.mode}
+
+
+@router.get("/print/queue")
+async def get_queue(
+    request: Request,
+    status: str | None = Query(default=None),
+):
+    """Retourne la file d'attente d'impression."""
+    printer_svc = request.app.state.printer_service
+    queue = await printer_svc.get_queue(status)
+    printers = await printer_svc.get_printers_status()
+    return {"queue": queue, "printers": printers}
+
+
+@router.post("/print/execute/{entry_id}")
+async def execute_print(
+    request: Request,
+    entry_id: str,
+    copies: int = Query(default=1, ge=1, le=3),
+):
+    """Lance l'impression d'une entrée en attente (validation admin)."""
+    printer_svc = request.app.state.printer_service
+    led = request.app.state.led_service
+    ws = request.app.state.ws_manager
+
+    led.play("printing")
+    result = await printer_svc.execute_print(entry_id, copies)
+
+    await ws.broadcast({"type": "print_result", "entry_id": entry_id, "result": result})
+
+    if result["success"]:
+        led.play("finished")
+    else:
+        led.play("error")
+
+    return result
+
+
+@router.post("/print/cancel/{entry_id}")
+async def cancel_print(request: Request, entry_id: str):
+    """Annule une demande en attente."""
+    printer_svc = request.app.state.printer_service
+    ws = request.app.state.ws_manager
+    ok = await printer_svc.cancel(entry_id)
+    if ok:
+        await ws.broadcast({"type": "print_cancelled", "entry_id": entry_id})
+    return {"ok": ok}
+
+
+@router.post("/print/cups/cancel/{printer_name}")
+async def cancel_cups_jobs(request: Request, printer_name: str):
+    """Annule tous les jobs CUPS d'une imprimante."""
+    printer_svc = request.app.state.printer_service
+    ok = await printer_svc.cancel_cups_jobs(printer_name)
+    return {"ok": ok, "printer": printer_name}
+
+
+@router.get("/print/printers")
+async def get_printers(request: Request):
+    """Statut des imprimantes CUPS."""
+    printer_svc = request.app.state.printer_service
+    return await printer_svc.get_printers_status()
+
+
+@router.post("/print/mode")
+async def set_print_mode(request: Request, mode: str = Query(...)):
+    """Change le mode d'impression (direct | validation | gallery)."""
+    if mode not in ("direct", "validation", "gallery"):
+        return JSONResponse({"error": "Mode invalide"}, status_code=400)
+    config_svc = request.app.state.config_service
+    config_svc.save_print_mode(mode)
+    request.app.state.config.print.mode = mode
+    return {"ok": True, "mode": mode}