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- """Project model."""
- import json
- from datetime import datetime
- from sqlalchemy import Column, Integer, String, Text, DateTime
- from ..database import Base
- class Project(Base):
- """A simulation project containing multiple plans and results."""
- __tablename__ = "projects"
- id = Column(Integer, primary_key=True, index=True)
- name = Column(String(200), nullable=False, index=True)
- description = Column(Text, default="")
- topology = Column(String(20), default="SSSR") # SSSR / DRSS / SDSR
- model_path = Column(String(500), default="")
- status = Column(String(20), default="draft") # draft / active / completed / archived
- boundary_conditions = Column(Text, default="{}") # JSON: dimensions, targets, constraints
- created_at = Column(DateTime, default=datetime.utcnow)
- updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
- def get_boundary_conditions(self) -> dict:
- try:
- return json.loads(self.boundary_conditions) if self.boundary_conditions else {}
- except (json.JSONDecodeError, TypeError):
- return {}
- def set_boundary_conditions(self, data: dict) -> None:
- self.boundary_conditions = json.dumps(data, ensure_ascii=False)
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