526 lines
17 KiB
Python
526 lines
17 KiB
Python
"""Spool related endpoints."""
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import asyncio
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import logging
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from datetime import datetime
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from typing import Annotated, Optional
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from fastapi import APIRouter, Depends, Query, WebSocket, WebSocketDisconnect
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from fastapi.encoders import jsonable_encoder
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from fastapi.exceptions import RequestValidationError
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from fastapi.responses import JSONResponse
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from pydantic import BaseModel, Field
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from pydantic.error_wrappers import ErrorWrapper
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from sqlalchemy.ext.asyncio import AsyncSession
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from spoolman.api.v1.models import Message, Spool, SpoolEvent
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from spoolman.database import spool
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from spoolman.database.database import get_db_session
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from spoolman.database.utils import SortOrder
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from spoolman.exceptions import ItemCreateError, SpoolMeasureError
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from spoolman.extra_fields import EntityType, get_extra_fields, validate_extra_field_dict
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from spoolman.ws import websocket_manager
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logger = logging.getLogger(__name__)
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router = APIRouter(
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prefix="/spool",
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tags=["spool"],
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)
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# ruff: noqa: D103,B008
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class SpoolParameters(BaseModel):
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first_used: Optional[datetime] = Field(description="First logged occurence of spool usage.")
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last_used: Optional[datetime] = Field(description="Last logged occurence of spool usage.")
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filament_id: int = Field(description="The ID of the filament type of this spool.")
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price: Optional[float] = Field(
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ge=0,
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description="The price of this filament in the system configured currency.",
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example=20.0,
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)
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initial_weight: Optional[float] = Field(
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ge=0,
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description="The initial total weight of the filament and spool, in g. (gross weight)",
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example=200,
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)
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empty_weight: Optional[float] = Field(
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ge=0,
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description="The weight of an empty spool, in g. (tare weight)",
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example=200,
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)
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remaining_weight: Optional[float] = Field(
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ge=0,
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description=(
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"Remaining weight of filament on the spool. Can only be used if the filament type has a weight set."
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),
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example=800,
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)
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used_weight: Optional[float] = Field(ge=0, description="Used weight of filament on the spool.", example=200)
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location: Optional[str] = Field(max_length=64, description="Where this spool can be found.", example="Shelf A")
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lot_nr: Optional[str] = Field(
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max_length=64,
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description="Vendor manufacturing lot/batch number of the spool.",
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example="52342",
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)
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comment: Optional[str] = Field(
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max_length=1024,
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description="Free text comment about this specific spool.",
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example="",
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)
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archived: bool = Field(default=False, description="Whether this spool is archived and should not be used anymore.")
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extra: Optional[dict[str, str]] = Field(
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None,
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description="Extra fields for this spool.",
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)
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class SpoolUpdateParameters(SpoolParameters):
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filament_id: Optional[int] = Field(description="The ID of the filament type of this spool.")
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class SpoolUseParameters(BaseModel):
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use_length: Optional[float] = Field(description="Length of filament to reduce by, in mm.", example=2.2)
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use_weight: Optional[float] = Field(description="Filament weight to reduce by, in g.", example=5.3)
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class SpoolMeasureParameters(BaseModel):
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weight: float = Field(description="Current gross weight of the spool, in g.", example=200)
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@router.get(
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"",
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name="Find spool",
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description=(
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"Get a list of spools that matches the search query. "
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"A websocket is served on the same path to listen for updates to any spool, or added or deleted spools. "
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"See the HTTP Response code 299 for the content of the websocket messages."
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),
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response_model_exclude_none=True,
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responses={
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200: {"model": list[Spool]},
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404: {"model": Message},
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299: {"model": SpoolEvent, "description": "Websocket message"},
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},
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)
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async def find(
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*,
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db: Annotated[AsyncSession, Depends(get_db_session)],
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filament_name_old: Optional[str] = Query(
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alias="filament_name",
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default=None,
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title="Filament Name",
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description="See filament.name.",
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deprecated=True,
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),
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filament_id_old: Optional[str] = Query(
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alias="filament_id",
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default=None,
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title="Filament ID",
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description="See filament.id.",
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deprecated=True,
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),
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filament_material_old: Optional[str] = Query(
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alias="filament_material",
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default=None,
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title="Filament Material",
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description="See filament.material.",
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deprecated=True,
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),
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vendor_name_old: Optional[str] = Query(
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alias="vendor_name",
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default=None,
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title="Vendor Name",
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description="See filament.vendor.name.",
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deprecated=True,
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),
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vendor_id_old: Optional[str] = Query(
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alias="vendor_id",
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default=None,
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title="Vendor ID",
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description="See filament.vendor.id.",
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deprecated=True,
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),
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filament_name: Optional[str] = Query(
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alias="filament.name",
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default=None,
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title="Filament Name",
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description=(
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"Partial case-insensitive search term for the filament name. Separate multiple terms with a comma."
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" Specify an empty string to match spools with no filament name."
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),
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),
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filament_id: Optional[str] = Query(
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alias="filament.id",
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default=None,
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title="Filament ID",
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description="Match an exact filament ID. Separate multiple IDs with a comma.",
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examples=["1", "1,2"],
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),
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filament_material: Optional[str] = Query(
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alias="filament.material",
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default=None,
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title="Filament Material",
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description=(
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"Partial case-insensitive search term for the filament material. Separate multiple terms with a comma. "
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"Specify an empty string to match spools with no filament material."
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),
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),
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filament_vendor_name: Optional[str] = Query(
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alias="filament.vendor.name",
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default=None,
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title="Vendor Name",
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description=(
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"Partial case-insensitive search term for the filament vendor name. Separate multiple terms with a comma. "
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"Specify an empty string to match spools with no vendor name."
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),
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),
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filament_vendor_id: Optional[str] = Query(
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alias="filament.vendor.id",
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default=None,
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title="Vendor ID",
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description=(
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"Match an exact vendor ID. Separate multiple IDs with a comma. "
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"Set it to -1 to match spools with filaments with no vendor."
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),
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examples=["1", "1,2"],
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),
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location: Optional[str] = Query(
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default=None,
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title="Location",
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description=(
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"Partial case-insensitive search term for the spool location. Separate multiple terms with a comma. "
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"Specify an empty string to match spools with no location."
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),
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),
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lot_nr: Optional[str] = Query(
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default=None,
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title="Lot/Batch Number",
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description=(
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"Partial case-insensitive search term for the spool lot number. Separate multiple terms with a comma. "
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"Specify an empty string to match spools with no lot nr."
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),
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),
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allow_archived: bool = Query(
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default=False,
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title="Allow Archived",
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description="Whether to include archived spools in the search results.",
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),
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sort: Optional[str] = Query(
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default=None,
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title="Sort",
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description=(
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'Sort the results by the given field. Should be a comma-separate string with "field:direction" items.'
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),
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example="filament.name:asc,filament.vendor.id:asc,location:desc",
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),
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limit: Optional[int] = Query(
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default=None,
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title="Limit",
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description="Maximum number of items in the response.",
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),
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offset: int = Query(
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default=0,
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title="Offset",
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description="Offset in the full result set if a limit is set.",
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),
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) -> JSONResponse:
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sort_by: dict[str, SortOrder] = {}
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if sort is not None:
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for sort_item in sort.split(","):
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field, direction = sort_item.split(":")
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sort_by[field] = SortOrder[direction.upper()]
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filament_id = filament_id if filament_id is not None else filament_id_old
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if filament_id is not None:
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try:
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filament_ids = [int(filament_id_item) for filament_id_item in filament_id.split(",")]
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except ValueError as e:
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raise RequestValidationError(
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[ErrorWrapper(ValueError("Invalid filament_id"), ("query", "filament_id"))],
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) from e
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else:
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filament_ids = None
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filament_vendor_id = filament_vendor_id if filament_vendor_id is not None else vendor_id_old
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if filament_vendor_id is not None:
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try:
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filament_vendor_ids = [int(vendor_id_item) for vendor_id_item in filament_vendor_id.split(",")]
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except ValueError as e:
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raise RequestValidationError([ErrorWrapper(ValueError("Invalid vendor_id"), ("query", "vendor_id"))]) from e
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else:
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filament_vendor_ids = None
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db_items, total_count = await spool.find(
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db=db,
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filament_name=filament_name if filament_name is not None else filament_name_old,
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filament_id=filament_ids,
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filament_material=filament_material if filament_material is not None else filament_material_old,
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vendor_name=filament_vendor_name if filament_vendor_name is not None else vendor_name_old,
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vendor_id=filament_vendor_ids,
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location=location,
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lot_nr=lot_nr,
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allow_archived=allow_archived,
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sort_by=sort_by,
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limit=limit,
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offset=offset,
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)
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# Set x-total-count header for pagination
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return JSONResponse(
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content=jsonable_encoder(
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(Spool.from_db(db_item) for db_item in db_items),
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exclude_none=True,
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),
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headers={"x-total-count": str(total_count)},
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)
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@router.websocket(
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"",
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name="Listen to spool changes",
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)
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async def notify_any(
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websocket: WebSocket,
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) -> None:
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await websocket.accept()
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websocket_manager.connect(("spool",), websocket)
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try:
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while True:
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await asyncio.sleep(0.5)
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if await websocket.receive_text():
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await websocket.send_json({"status": "healthy"})
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except WebSocketDisconnect:
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websocket_manager.disconnect(("spool",), websocket)
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@router.get(
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"/{spool_id}",
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name="Get spool",
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description=(
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"Get a specific spool. A websocket is served on the same path to listen for changes to the spool. "
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"See the HTTP Response code 299 for the content of the websocket messages."
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),
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response_model_exclude_none=True,
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responses={404: {"model": Message}, 299: {"model": SpoolEvent, "description": "Websocket message"}},
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)
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async def get(
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db: Annotated[AsyncSession, Depends(get_db_session)],
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spool_id: int,
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) -> Spool:
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db_item = await spool.get_by_id(db, spool_id)
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return Spool.from_db(db_item)
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@router.websocket(
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"/{spool_id}",
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name="Listen to spool changes",
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)
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async def notify(
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websocket: WebSocket,
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spool_id: int,
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) -> None:
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await websocket.accept()
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websocket_manager.connect(("spool", str(spool_id)), websocket)
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try:
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while True:
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await asyncio.sleep(0.5)
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if await websocket.receive_text():
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await websocket.send_json({"status": "healthy"})
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except WebSocketDisconnect:
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websocket_manager.disconnect(("spool", str(spool_id)), websocket)
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@router.post(
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"",
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name="Add spool",
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description=(
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"Add a new spool to the database. "
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"Only specify either remaining_weight or used_weight. "
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"If no weight is set, the spool will be assumed to be full."
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),
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response_model_exclude_none=True,
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response_model=Spool,
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responses={
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400: {"model": Message},
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},
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)
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async def create( # noqa: ANN201
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db: Annotated[AsyncSession, Depends(get_db_session)],
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body: SpoolParameters,
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):
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if body.remaining_weight is not None and body.used_weight is not None:
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return JSONResponse(
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status_code=400,
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content={"message": "Only specify either remaining_weight or used_weight."},
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)
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if body.extra:
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all_fields = await get_extra_fields(db, EntityType.spool)
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try:
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validate_extra_field_dict(all_fields, body.extra)
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except ValueError as e:
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return JSONResponse(status_code=400, content=Message(message=str(e)).dict())
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try:
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db_item = await spool.create(
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db=db,
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filament_id=body.filament_id,
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price=body.price,
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initial_weight=body.initial_weight,
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empty_weight=body.empty_weight,
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remaining_weight=body.remaining_weight,
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used_weight=body.used_weight,
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first_used=body.first_used,
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last_used=body.last_used,
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location=body.location,
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lot_nr=body.lot_nr,
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comment=body.comment,
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archived=body.archived,
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extra=body.extra,
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)
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return Spool.from_db(db_item)
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except ItemCreateError:
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logger.exception("Failed to create spool.")
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return JSONResponse(
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status_code=400,
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content={"message": "Failed to create spool, see server logs for more information."},
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)
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@router.patch(
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"/{spool_id}",
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name="Update spool",
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description=(
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"Update any attribute of a spool. "
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"Only fields specified in the request will be affected. "
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"remaining_weight and used_weight can't be set at the same time. "
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"If extra is set, all existing extra fields will be removed and replaced with the new ones."
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),
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response_model_exclude_none=True,
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response_model=Spool,
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responses={
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400: {"model": Message},
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404: {"model": Message},
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},
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)
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async def update( # noqa: ANN201
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db: Annotated[AsyncSession, Depends(get_db_session)],
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spool_id: int,
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body: SpoolUpdateParameters,
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):
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patch_data = body.dict(exclude_unset=True)
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if body.remaining_weight is not None and body.used_weight is not None:
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return JSONResponse(
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status_code=400,
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content={"message": "Only specify either remaining_weight or used_weight."},
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)
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if body.extra:
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all_fields = await get_extra_fields(db, EntityType.spool)
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try:
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validate_extra_field_dict(all_fields, body.extra)
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except ValueError as e:
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return JSONResponse(status_code=400, content=Message(message=str(e)).dict())
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if "filament_id" in patch_data and body.filament_id is None:
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raise RequestValidationError(
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[ErrorWrapper(ValueError("filament_id cannot be unset"), ("query", "filament_id"))],
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)
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try:
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db_item = await spool.update(
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db=db,
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spool_id=spool_id,
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data=patch_data,
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)
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except ItemCreateError:
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logger.exception("Failed to update spool.")
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return JSONResponse(
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status_code=400,
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content={"message": "Failed to update spool, see server logs for more information."},
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)
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return Spool.from_db(db_item)
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@router.delete(
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"/{spool_id}",
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name="Delete spool",
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description="Delete a spool.",
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responses={404: {"model": Message}},
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)
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async def delete(
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db: Annotated[AsyncSession, Depends(get_db_session)],
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spool_id: int,
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) -> Message:
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await spool.delete(db, spool_id)
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return Message(message="Success!")
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|
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@router.put(
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"/{spool_id}/use",
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name="Use spool filament",
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description=(
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"Use some length or weight of filament from the spool. Specify either a length or a weight, not both."
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),
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response_model_exclude_none=True,
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response_model=Spool,
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responses={
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400: {"model": Message},
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404: {"model": Message},
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},
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)
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async def use( # noqa: ANN201
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db: Annotated[AsyncSession, Depends(get_db_session)],
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spool_id: int,
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body: SpoolUseParameters,
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):
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if body.use_weight is not None and body.use_length is not None:
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return JSONResponse(
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status_code=400,
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content={"message": "Only specify either use_weight or use_length."},
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)
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if body.use_weight is not None:
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db_item = await spool.use_weight(db, spool_id, body.use_weight)
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return Spool.from_db(db_item)
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if body.use_length is not None:
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db_item = await spool.use_length(db, spool_id, body.use_length)
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return Spool.from_db(db_item)
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return JSONResponse(
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status_code=400,
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content={"message": "Either use_weight or use_length must be specified."},
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)
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@router.put(
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"/{spool_id}/measure",
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name="Use spool filament based on the current weight measurement",
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description=("Use some weight of filament from the spool. Specify the current gross weight of the spool."),
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response_model_exclude_none=True,
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response_model=Spool,
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responses={
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400: {"model": Message},
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404: {"model": Message},
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},
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)
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async def measure( # noqa: ANN201
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db: Annotated[AsyncSession, Depends(get_db_session)],
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spool_id: int,
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body: SpoolMeasureParameters,
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):
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try:
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db_item = await spool.measure(db, spool_id, body.weight)
|
|
return Spool.from_db(db_item)
|
|
except SpoolMeasureError as e:
|
|
logger.exception("Failed to update spool measurement.")
|
|
return JSONResponse(
|
|
status_code=400,
|
|
content={"message": e.args[0]},
|
|
)
|