Files
bambuddy/backend/app/models/printer.py
T
maziggy 691fb133b7 Add external network camera support for printers
Add support for external network cameras (MJPEG, RTSP, HTTP snapshot)
that replace a printer's built-in camera when configured.

Features:
- Live streaming on printers page (replaces built-in camera)
- Finish photo capture from external camera on print complete
- Layer-based timelapse: captures frame on each layer change,
  stitches to MP4 video on print completion

Backend changes:
- Add external_camera_url, external_camera_type, external_camera_enabled
  fields to Printer model with database migration
- New external_camera.py service: MJPEG/RTSP/snapshot frame capture,
  connection testing, MJPEG stream generation
- New layer_timelapse.py service: TimelapseSession management,
  layer-by-layer frame capture, ffmpeg video stitching
- Add on_layer_change callback to MQTT client and printer manager
- Update camera routes with external camera streaming and tracking
- Update print lifecycle hooks for timelapse start/stitch/cancel
- Add external camera fields to backup/restore
- Rate limiting for external camera streams (prevents browser freeze)

Frontend changes:
- Add external camera configuration UI in Settings > Camera
- Per-printer enable toggle, URL input, type selector, test button
- Toast notification on save

Closes #143
2026-01-24 09:58:45 +01:00

51 lines
2.9 KiB
Python

from datetime import datetime
from sqlalchemy import Boolean, DateTime, Float, String, func
from sqlalchemy.orm import Mapped, mapped_column, relationship
from backend.app.core.database import Base
class Printer(Base):
__tablename__ = "printers"
id: Mapped[int] = mapped_column(primary_key=True)
name: Mapped[str] = mapped_column(String(100))
serial_number: Mapped[str] = mapped_column(String(50), unique=True)
ip_address: Mapped[str] = mapped_column(String(45))
access_code: Mapped[str] = mapped_column(String(20))
model: Mapped[str | None] = mapped_column(String(50))
location: Mapped[str | None] = mapped_column(String(100)) # Group/location name
nozzle_count: Mapped[int] = mapped_column(default=1) # 1 or 2, auto-detected from MQTT
is_active: Mapped[bool] = mapped_column(Boolean, default=True)
auto_archive: Mapped[bool] = mapped_column(Boolean, default=True)
print_hours_offset: Mapped[float] = mapped_column(Float, default=0.0) # Baseline hours to add
runtime_seconds: Mapped[int] = mapped_column(default=0) # Accumulated active runtime (RUNNING/PAUSE states)
last_runtime_update: Mapped[datetime | None] = mapped_column(
DateTime, nullable=True
) # Last time runtime was updated
# External camera configuration
external_camera_url: Mapped[str | None] = mapped_column(String(500), nullable=True)
external_camera_type: Mapped[str | None] = mapped_column(String(20), nullable=True) # mjpeg, rtsp, snapshot
external_camera_enabled: Mapped[bool] = mapped_column(Boolean, default=False)
created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())
# Relationships
archives: Mapped[list["PrintArchive"]] = relationship(back_populates="printer", cascade="all, delete-orphan")
smart_plug: Mapped["SmartPlug | None"] = relationship(back_populates="printer", uselist=False)
notification_providers: Mapped[list["NotificationProvider"]] = relationship(back_populates="printer")
maintenance_items: Mapped[list["PrinterMaintenance"]] = relationship(
back_populates="printer", cascade="all, delete-orphan"
)
kprofile_notes: Mapped[list["KProfileNote"]] = relationship(back_populates="printer", cascade="all, delete-orphan")
ams_history: Mapped[list["AMSSensorHistory"]] = relationship(back_populates="printer", cascade="all, delete-orphan")
from backend.app.models.ams_history import AMSSensorHistory # noqa: E402
from backend.app.models.archive import PrintArchive # noqa: E402
from backend.app.models.kprofile_note import KProfileNote # noqa: E402
from backend.app.models.maintenance import PrinterMaintenance # noqa: E402
from backend.app.models.notification import NotificationProvider # noqa: E402
from backend.app.models.smart_plug import SmartPlug # noqa: E402