2024-12-16 22:50:04 +01:00

315 lines
10 KiB
Python

from fastapi import APIRouter, HTTPException, status, Depends
from sqlalchemy.orm import Session
from typing import List
import uuid
from app.schemas import (
Puck as PuckSchema,
PuckCreate,
PuckUpdate,
SetTellPosition,
)
from app.models import (
Puck as PuckModel,
Sample as SampleModel,
PuckEvent as PuckEventModel,
Slot as SlotModel,
LogisticsEvent as LogisticsEventModel,
Dewar as DewarModel,
)
from app.dependencies import get_db
from datetime import datetime
import logging
router = APIRouter()
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
@router.get("/", response_model=List[PuckSchema])
async def get_pucks(db: Session = Depends(get_db)):
return db.query(PuckModel).all()
@router.get("/with-tell-position", response_model=List[dict])
async def get_pucks_with_tell_position(db: Session = Depends(get_db)):
"""
Retrieve all pucks with a `tell_position`
set (not null) and their associated samples.
"""
# Query all pucks that have an event with a non-null tell_position
pucks = (
db.query(PuckModel)
.join(PuckEventModel, PuckModel.id == PuckEventModel.puck_id)
.filter(PuckEventModel.tell_position.isnot(None))
.all()
)
logger.info(f"Pucks with tell position: {pucks}")
if not pucks:
logger.info("No pucks with tell_position found.") # Log for debugging
raise HTTPException(
status_code=404, detail="No pucks with a `tell_position` found."
)
result = []
for puck in pucks:
# Get associated samples for the puck
samples = db.query(SampleModel).filter(SampleModel.puck_id == puck.id).all()
sample_data = [
{
"id": sample.id,
"sample_name": sample.sample_name,
"position": sample.position, # Updated field based on schema
}
for sample in samples
]
# Add puck and sample info to the result
result.append(
{
"id": puck.id,
"puck_name": puck.puck_name,
"puck_type": puck.puck_type,
"puck_location_in_dewar": puck.puck_location_in_dewar,
"dewar_id": puck.dewar_id,
"samples": sample_data, # Add associated samples
}
)
return result
@router.get("/{puck_id}", response_model=PuckSchema)
async def get_puck(puck_id: str, db: Session = Depends(get_db)):
puck = db.query(PuckModel).filter(PuckModel.id == puck_id).first()
if not puck:
raise HTTPException(status_code=404, detail="Puck not found")
return puck
@router.post("/", response_model=PuckSchema, status_code=status.HTTP_201_CREATED)
async def create_puck(puck: PuckCreate, db: Session = Depends(get_db)) -> PuckSchema:
puck_id = f"PUCK-{uuid.uuid4().hex[:8].upper()}"
db_puck = PuckModel(
id=puck_id,
puck_name=puck.puck_name,
puck_type=puck.puck_type,
puck_location_in_dewar=puck.puck_location_in_dewar,
dewar_id=puck.dewar_id,
)
db.add(db_puck)
db.commit()
db.refresh(db_puck)
return db_puck
@router.put("/{puck_id}", response_model=PuckSchema)
async def update_puck(
puck_id: str, updated_puck: PuckUpdate, db: Session = Depends(get_db)
):
puck = db.query(PuckModel).filter(PuckModel.id == puck_id).first()
if not puck:
raise HTTPException(status_code=404, detail="Puck not found")
for key, value in updated_puck.dict(exclude_unset=True).items():
setattr(puck, key, value)
db.commit()
db.refresh(puck)
return puck
@router.delete("/{puck_id}", status_code=status.HTTP_204_NO_CONTENT)
async def delete_puck(puck_id: str, db: Session = Depends(get_db)):
puck = db.query(PuckModel).filter(PuckModel.id == puck_id).first()
if not puck:
raise HTTPException(status_code=404, detail="Puck not found")
db.delete(puck)
db.commit()
return
@router.put("/{puck_id}/tell_position", status_code=status.HTTP_200_OK)
async def set_tell_position(
puck_id: int, request: SetTellPosition, db: Session = Depends(get_db)
):
# Get the requested tell_position
tell_position = request.tell_position
# Define valid positions
valid_positions = [
f"{letter}{num}" for letter in "ABCDEF" for num in range(1, 6)
] + ["null", None]
# Validate tell_position
if tell_position not in valid_positions:
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail=f"Invalid tell_position value. Must be one of {valid_positions}.",
)
# Set the correct tell_position logic
actual_position = None if tell_position in ["null", None] else tell_position
# Create a new PuckEvent (always a new event, even with null/None)
new_puck_event = PuckEventModel(
puck_id=puck_id,
tell_position=actual_position,
# Null for disassociation, else the valid position
event_type="tell_position_set",
# Example event type
timestamp=datetime.utcnow(),
)
db.add(new_puck_event)
db.commit()
db.refresh(new_puck_event)
# Send the response
return {
"message": "New tell position event created successfully",
"tell_position": new_puck_event.tell_position,
"timestamp": new_puck_event.timestamp,
}
@router.get("/{puck_id}/last-tell-position", status_code=status.HTTP_200_OK)
async def get_last_tell_position(puck_id: str, db: Session = Depends(get_db)):
# Query the most recent tell_position_set event for the given puck_id
last_event = (
db.query(PuckEventModel)
.filter(
PuckEventModel.puck_id == puck_id,
PuckEventModel.event_type == "tell_position_set",
)
.order_by(PuckEventModel.timestamp.desc())
.first()
)
# If no event is found, return a 404 error
if not last_event:
raise HTTPException(
status_code=404,
detail=f"No 'tell_position' event found for puck with ID {puck_id}",
)
# Return the details of the last tell_position event
return {
"puck_id": puck_id,
"tell_position": last_event.tell_position,
"timestamp": last_event.timestamp,
}
@router.get("/slot/{slot_identifier}", response_model=List[dict])
async def get_pucks_by_slot(slot_identifier: str, db: Session = Depends(get_db)):
"""
Retrieve all pucks associated with all dewars linked to the given slot
(by ID or keyword) via 'beamline' events.
- Accepts slot keywords like PXI, PXII, PXIII.
- Retrieves all dewars (and their names) associated with the slot.
"""
# Map keywords to slot IDs
slot_aliases = {
"PXI": 47,
"PXII": 48,
"PXIII": 49,
"X06SA": 47,
"X10SA": 48,
"X06DA": 49,
}
# Check if the slot identifier is an alias or ID
try:
slot_id = int(slot_identifier) # If the user provided a numeric ID
alias = next(
(k for k, v in slot_aliases.items() if v == slot_id), slot_identifier
)
except ValueError:
slot_id = slot_aliases.get(slot_identifier.upper()) # Try mapping alias
alias = slot_identifier.upper() # Keep alias as-is for error messages
if not slot_id:
raise HTTPException(
status_code=400,
detail="Invalid slot identifier."
"Must be an ID or one of the following:"
"PXI, PXII, PXIII, X06SA, X10SA, X06DA.",
)
# Verify that the slot exists
slot = db.query(SlotModel).filter(SlotModel.id == slot_id).first()
if not slot:
raise HTTPException(
status_code=404, detail=f"Slot not found for identifier '{alias}'."
)
logger.info(f"Slot found: ID={slot.id}, Label={slot.label}")
# Retrieve all beamline events associated with the slot
beamline_events = (
db.query(LogisticsEventModel)
.filter(
LogisticsEventModel.slot_id == slot_id,
LogisticsEventModel.event_type == "beamline",
)
.order_by(LogisticsEventModel.timestamp.desc())
.all()
)
if not beamline_events:
logger.warning(f"No dewars associated to this beamline '{alias}'.")
raise HTTPException(
status_code=404, detail=f"No dewars found for the given beamline '{alias}'."
)
logger.info(f"Found {len(beamline_events)} beamline events for slot_id={slot_id}.")
# Use the beamline events to find all associated dewars
dewar_ids = {event.dewar_id for event in beamline_events if event.dewar_id}
dewars = db.query(DewarModel).filter(DewarModel.id.in_(dewar_ids)).all()
if not dewars:
logger.warning(f"No dewars found for beamline '{alias}'.")
raise HTTPException(
status_code=404, detail=f"No dewars found for beamline '{alias}'."
)
logger.info(f"Found {len(dewars)} dewars for beamline '{alias}'.")
# Create a mapping of dewar_id to dewar_name
dewar_mapping = {dewar.id: dewar.dewar_name for dewar in dewars}
# Retrieve all pucks associated with the dewars
puck_list = (
db.query(PuckModel)
.filter(PuckModel.dewar_id.in_([dewar.id for dewar in dewars]))
.all()
)
if not puck_list:
logger.warning(f"No pucks found for dewars associated with beamline '{alias}'.")
raise HTTPException(
status_code=404,
detail=f"No pucks found for dewars associated with beamline '{alias}'.",
)
logger.info(f"Found {len(puck_list)} pucks for beamline '{alias}'.")
# Add the dewar_name to the output for each puck
puck_output = [
{
"id": puck.id,
"puck_name": puck.puck_name,
"puck_type": puck.puck_type,
"dewar_id": puck.dewar_id,
"dewar_name": dewar_mapping.get(puck.dewar_id), # Link dewar_name
}
for puck in puck_list
]
# Return the list of pucks with their associated dewar names
return puck_output