55 lines
2.1 KiB
Python
55 lines
2.1 KiB
Python
import uuid
|
|
from datetime import datetime
|
|
|
|
from sqlalchemy import String, Integer, Float, ForeignKey, Index, func, Text
|
|
from sqlalchemy import Uuid, JSON
|
|
from sqlalchemy.orm import Mapped, mapped_column
|
|
|
|
from app.database import Base
|
|
|
|
|
|
class TrendInsight(Base):
|
|
__tablename__ = "trend_insights"
|
|
|
|
id: Mapped[uuid.UUID] = mapped_column(
|
|
Uuid(as_uuid=True),
|
|
primary_key=True,
|
|
default=uuid.uuid4,
|
|
)
|
|
brand_id: Mapped[str] = mapped_column(
|
|
String(36),
|
|
ForeignKey("brands.id", ondelete="CASCADE"),
|
|
nullable=False,
|
|
)
|
|
trend_type: Mapped[str] = mapped_column(String(20), nullable=False)
|
|
keyword: Mapped[str | None] = mapped_column(String(200), nullable=True)
|
|
platform: Mapped[str | None] = mapped_column(String(50), nullable=True)
|
|
period_start: Mapped[datetime] = mapped_column(nullable=False)
|
|
period_end: Mapped[datetime] = mapped_column(nullable=False)
|
|
data_points: Mapped[list | None] = mapped_column(JSON, nullable=True)
|
|
change_rate: Mapped[float | None] = mapped_column(Float, nullable=True)
|
|
absolute_change: Mapped[int | None] = mapped_column(Integer, nullable=True)
|
|
sentiment_trend: Mapped[dict | None] = mapped_column(JSON, nullable=True)
|
|
cause_analysis: Mapped[str | None] = mapped_column(Text, nullable=True)
|
|
recommendations: Mapped[list | None] = mapped_column(JSON, nullable=True)
|
|
confidence: Mapped[float] = mapped_column(Float, nullable=False, default=0.5)
|
|
severity: Mapped[str] = mapped_column(
|
|
String(20), nullable=False, server_default="info",
|
|
)
|
|
created_at: Mapped[datetime] = mapped_column(
|
|
server_default=func.now(),
|
|
nullable=False,
|
|
)
|
|
updated_at: Mapped[datetime] = mapped_column(
|
|
server_default=func.now(),
|
|
onupdate=func.now(),
|
|
nullable=False,
|
|
)
|
|
|
|
__table_args__ = (
|
|
Index("idx_trend_insights_brand_id", "brand_id"),
|
|
Index("idx_trend_insights_trend_type", "trend_type"),
|
|
Index("idx_trend_insights_created_at", "created_at"),
|
|
Index("idx_trend_insights_period_start", "period_start"),
|
|
)
|