feat: add new file

backend/app/models.py

@@ -0,0 +1,45 @@
+from datetime import datetime
+
+from sqlalchemy import Date, DateTime, Float, Integer, String, Text
+from sqlalchemy.orm import Mapped, mapped_column
+
+from .database import Base
+
+
+class Resource(Base):
+    __tablename__ = "resources"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
+    title: Mapped[str] = mapped_column(String(255), nullable=False)
+    resource_type: Mapped[str] = mapped_column(String(20), nullable=False)  # link/file
+    url: Mapped[str | None] = mapped_column(String(1024), nullable=True)
+    file_name: Mapped[str | None] = mapped_column(String(255), nullable=True)
+    category: Mapped[str] = mapped_column(String(50), nullable=False)
+    tags: Mapped[str | None] = mapped_column(String(255), nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+
+class Mistake(Base):
+    __tablename__ = "mistakes"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
+    title: Mapped[str] = mapped_column(String(255), nullable=False)
+    image_url: Mapped[str | None] = mapped_column(String(1024), nullable=True)
+    category: Mapped[str] = mapped_column(String(50), nullable=False)
+    difficulty: Mapped[str | None] = mapped_column(String(20), nullable=True)  # easy/medium/hard
+    note: Mapped[str | None] = mapped_column(Text, nullable=True)
+    wrong_count: Mapped[int] = mapped_column(Integer, default=1)
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)
+
+
+class ScoreRecord(Base):
+    __tablename__ = "score_records"
+
+    id: Mapped[int] = mapped_column(Integer, primary_key=True, index=True)
+    exam_name: Mapped[str] = mapped_column(String(255), nullable=False)
+    exam_date: Mapped[Date] = mapped_column(Date, nullable=False)
+    total_score: Mapped[float] = mapped_column(Float, nullable=False)
+    module_scores: Mapped[str | None] = mapped_column(
+        String(255), nullable=True
+    )  # JSON string for simplicity
+    created_at: Mapped[datetime] = mapped_column(DateTime, default=datetime.utcnow)