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Thomas RambachandMartinNYHC
7ba67012f6
* AMS Labels addition to PrintersPage * Added database reinitialization for schema migrations on database restore * Bug fixes and AMS Label persistence updates * Update database.py to resolve PR conflicts * PR Comment Resolution * Resolve conflicts in database.py for PR#570 * Updates to address PR#570 additional comments * Optimize visibility handling for popup component * Improve serial key handling in printers.py Refactor serial key assignment to handle empty AMS serial gracefully. * Implement error handling in serial number mapping Add error handling for serial number mapping. * Add migration to drop old ams_labels table --------- Co-authored-by: MartinNYHC <mz@v8w.de>
31 lines
1.4 KiB
Python
31 lines
1.4 KiB
Python
"""Model for storing user-defined friendly names for AMS units.
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Users can assign a custom label to each AMS (e.g. "Workshop AMS", "Silk Colours")
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that is displayed in place of or alongside the auto-generated label (AMS-A, HT-A, …).
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Labels are keyed by AMS serial number so they persist when the AMS is moved to a
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different printer. A fallback (printer_id + ams_id) is retained for units whose
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serial number is not yet known.
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"""
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from datetime import datetime
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from sqlalchemy import DateTime, Integer, String, UniqueConstraint, func
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from sqlalchemy.orm import Mapped, mapped_column
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from backend.app.core.database import Base
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class AmsLabel(Base):
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"""Maps an AMS unit serial number to a user-defined friendly name."""
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__tablename__ = "ams_labels"
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__table_args__ = (UniqueConstraint("ams_serial_number", name="uq_ams_label_serial"),)
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id: Mapped[int] = mapped_column(primary_key=True)
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ams_serial_number: Mapped[str] = mapped_column(String(50)) # AMS unit serial number (sn from MQTT)
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ams_id: Mapped[int | None] = mapped_column(Integer, nullable=True) # AMS unit ID hint (0, 1, 2, 3, 128…)
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label: Mapped[str] = mapped_column(String(100)) # User-defined friendly name
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created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now())
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updated_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), onupdate=func.now())
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