Add beamtime functionality to backend.

Introduce new endpoint and model for managing beamtimes, including shifts and user-specific access. Updated test scripts and data to reflect beamtime integration, along with minor fixes for job status enumeration and example notebook refinement.

backend/app/models.py

@@ -8,6 +8,7 @@ from sqlalchemy import (
     DateTime,
     Boolean,
     func,
+    Enum,
 )
 from sqlalchemy.orm import relationship
 from .database import Base
@@ -235,11 +236,15 @@ class PuckEvent(Base):
     puck = relationship("Puck", back_populates="events")
 
 
+SHIFT_CHOICES = ("morning", "afternoon", "night")
+
+
 class Beamtime(Base):
     __tablename__ = "beamtimes"
 
     id = Column(Integer, primary_key=True, index=True, autoincrement=True)
     pgroups = Column(String(255), nullable=False)
+    shift = Column(Enum(*SHIFT_CHOICES, name="shift_enum"), nullable=False, index=True)
     beamtime_name = Column(String(255), index=True)
     beamline = Column(String(255), nullable=True)
     start_date = Column(Date, nullable=True)
@@ -282,6 +287,7 @@ class Results(Base):
     __tablename__ = "results"
 
     id = Column(Integer, primary_key=True, index=True, autoincrement=True)
+    status = Column(String(255), nullable=False)
     result = Column(JSON, nullable=False)  # store the full result object as JSON
     sample_id = Column(Integer, ForeignKey("samples.id"), nullable=False)
     run_id = Column(Integer, ForeignKey("experiment_parameters.id"), nullable=False)
@@ -310,7 +316,7 @@ class Results(Base):
 
 
 class JobStatus(str, enum.Enum):
-    TODO = "todo"
+    TO_DO = "to_do"
     SUBMITTED = "submitted"
     DONE = "done"
     TO_CANCEL = "to_cancel"