67 lines
2.4 KiB
Python
67 lines
2.4 KiB
Python
"""Models for prompt template system."""
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from sqlalchemy import Column, String, Text, Float, DateTime, Boolean, Integer, JSON, ForeignKey
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from sqlalchemy.orm import relationship
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from sqlalchemy.types import TypeDecorator, CHAR
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from sqlalchemy.dialects.postgresql import UUID
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import uuid
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from datetime import datetime
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from backend.models.base import Model
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class GUID(TypeDecorator):
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"""Platform-independent GUID type for SQLite and PostgreSQL compatibility."""
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impl = CHAR
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cache_ok = True
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def load_dialect_impl(self, dialect):
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if dialect.name == 'postgresql':
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return dialect.type_descriptor(UUID())
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else:
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return dialect.type_descriptor(CHAR(32))
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def process_bind_param(self, value, dialect):
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if value is None:
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return value
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elif dialect.name == 'postgresql':
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return str(value)
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else:
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if not isinstance(value, uuid.UUID):
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return "%.32x" % uuid.UUID(value).int
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else:
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return "%.32x" % value.int
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def process_result_value(self, value, dialect):
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if value is None:
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return value
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else:
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if not isinstance(value, uuid.UUID):
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return uuid.UUID(value)
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return value
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class PromptTemplate(Model):
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"""Custom prompt templates for AI models."""
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__tablename__ = "prompt_templates"
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__table_args__ = {'extend_existing': True}
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id = Column(GUID, primary_key=True, default=uuid.uuid4)
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user_id = Column(String(36), ForeignKey("users.id"), nullable=True)
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name = Column(String(200), nullable=False)
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description = Column(Text, nullable=True)
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prompt_text = Column(Text, nullable=False)
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domain_category = Column(String(50), nullable=True)
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model_config = Column(JSON, nullable=True)
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is_public = Column(Boolean, default=False)
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usage_count = Column(Integer, default=0)
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rating = Column(Float, default=0.0)
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created_at = Column(DateTime, default=datetime.utcnow)
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updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
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# Relationships
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user = relationship("backend.models.user.User", back_populates="prompt_templates")
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export_metadata = relationship("backend.models.enhanced_export.ExportMetadata")
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def __repr__(self):
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return f"<PromptTemplate(id={self.id}, name={self.name}, public={self.is_public})>" |