150 lines
5.1 KiB
Python
150 lines
5.1 KiB
Python
"""Machines plugin models."""
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from shopdb.api import db, BaseModel
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class MachineType(BaseModel):
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"""
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Machine type classification.
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Examples: CNC, CMM, Lathe, Grinder, EDM, Part Marker, etc.
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"""
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__tablename__ = 'machinetypes'
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machinetypeid = db.Column(db.Integer, primary_key=True)
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machinetype = db.Column(db.String(100), unique=True, nullable=False)
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description = db.Column(db.Text)
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icon = db.Column(db.String(50), comment='Icon name for UI')
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color = db.Column(db.String(20), comment='CSS color for UI/map markers')
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def __repr__(self):
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return f"<MachineType {self.machinetype}>"
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class Machine(BaseModel):
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"""
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Machine-specific extension data.
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Links to core Asset table via assetid.
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Stores machine-specific fields like type, model, vendor, etc.
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"""
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__tablename__ = 'machines'
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machineid = db.Column(db.Integer, primary_key=True)
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# Link to core asset
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assetid = db.Column(
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db.Integer,
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db.ForeignKey('assets.assetid', ondelete='CASCADE'),
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unique=True,
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nullable=False,
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index=True
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)
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# Machine classification
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machinetypeid = db.Column(
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db.Integer,
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db.ForeignKey('machinetypes.machinetypeid'),
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nullable=True
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)
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# Vendor and model
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vendorid = db.Column(
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db.Integer,
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db.ForeignKey('vendors.vendorid'),
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nullable=True
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)
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modelnumberid = db.Column(
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db.Integer,
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db.ForeignKey('models.modelnumberid'),
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nullable=True
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)
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# Machine-specific fields
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requiresmanualconfig = db.Column(
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db.Boolean,
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default=False,
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comment='Multi-PC machine needs manual configuration'
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)
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islocationonly = db.Column(
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db.Boolean,
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default=False,
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comment='Virtual location marker (not actual machine)'
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)
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# Maintenance tracking
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# Dates, not datetimes: there is no time in a maintenance date, and a
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# DATETIME went out of to_dict as "...T00:00:00Z", which a browser west of
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# UTC rendered as the previous day. measuringtools and warranties already
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# model theirs as db.Date. See migration 7d40.
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lastmaintenancedate = db.Column(db.Date, nullable=True)
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nextmaintenancedate = db.Column(db.Date, nullable=True)
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maintenanceintervaldays = db.Column(db.Integer, nullable=True)
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# Controller info (for CNC machines)
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controllervendorid = db.Column(
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db.Integer,
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db.ForeignKey('vendors.vendorid'),
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nullable=True,
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comment='Controller vendor (e.g., FANUC)'
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)
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controllermodelid = db.Column(
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db.Integer,
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db.ForeignKey('models.modelnumberid'),
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nullable=True,
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comment='Controller model (e.g., 31B)'
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)
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# Relationships
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asset = db.relationship(
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'Asset',
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backref=db.backref('machine', uselist=False, lazy='joined')
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)
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machinetype = db.relationship('MachineType', backref='machines')
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vendor = db.relationship('Vendor', foreign_keys=[vendorid], backref='machine_items')
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model = db.relationship('Model', foreign_keys=[modelnumberid], backref='machine_items')
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controllervendor = db.relationship('Vendor', foreign_keys=[controllervendorid], backref='machine_controllers')
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controllermodel = db.relationship('Model', foreign_keys=[controllermodelid], backref='machine_controller_models')
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__table_args__ = (
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db.Index('idx_machine_type', 'machinetypeid'),
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db.Index('idx_machine_vendor', 'vendorid'),
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)
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def __repr__(self):
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return f"<Machine {self.assetid}>"
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def to_dict(self):
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"""Convert to dictionary with related names."""
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result = super().to_dict()
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# Add related object names
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if self.machinetype:
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result['machinetypename'] = self.machinetype.machinetype
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if self.vendor:
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result['vendorname'] = self.vendor.vendor
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if self.model:
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result['modelname'] = self.model.modelnumber
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if self.model.imageurl:
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result['imageurl'] = self.model.imageurl
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# The catalog model already knows its maker, so an asset that has a
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# model but no vendor of its own is showing a blank the database can
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# fill. Flagged rather than merged silently: the edit form still has
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# an empty vendor box, and a page implying otherwise would be lying.
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if not self.vendor and self.model.vendor:
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result['vendorname'] = self.model.vendor.vendor
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result['vendorfrommodel'] = True
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# Exposed under its OWN name. modeltypes is the catalog-wide list
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# covering every kind of asset, so it is not interchangeable with
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# this asset's own type and must never be substituted for it.
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if self.model.modeltype:
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result['modeltypename'] = self.model.modeltype.modeltype
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# Add controller info
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if self.controllervendor:
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result['controllervendorname'] = self.controllervendor.vendor
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if self.controllermodel:
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result['controllermodelname'] = self.controllermodel.modelnumber
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return result
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