Initial commit: Daily News App

企業內部新聞彙整與分析系統
- 自動新聞抓取 (Digitimes, 經濟日報, 工商時報)
- AI 智慧摘要 (OpenAI/Claude/Ollama)
- 群組管理與訂閱通知
- 已清理 Python 快取檔案

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

app/models/system.py

@@ -0,0 +1,103 @@
+"""
+系統設定與日誌資料模型
+"""
+from datetime import datetime
+from sqlalchemy import String, ForeignKey, Text, JSON, Enum as SQLEnum, Index
+from sqlalchemy.orm import Mapped, mapped_column, relationship
+from typing import Optional, TYPE_CHECKING
+import enum
+
+from app.db.session import Base
+
+if TYPE_CHECKING:
+    from app.models.user import User
+    from app.models.report import Report
+
+
+class SettingType(str, enum.Enum):
+    """設定值類型"""
+    STRING = "string"
+    NUMBER = "number"
+    BOOLEAN = "boolean"
+    JSON = "json"
+
+
+class NotificationType(str, enum.Enum):
+    """通知類型"""
+    EMAIL = "email"
+    SYSTEM = "system"
+
+
+class NotificationStatus(str, enum.Enum):
+    """通知狀態"""
+    PENDING = "pending"
+    SENT = "sent"
+    FAILED = "failed"
+
+
+class SystemSetting(Base):
+    """系統設定表"""
+    __tablename__ = "system_settings"
+    
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    setting_key: Mapped[str] = mapped_column(String(50), unique=True, nullable=False, comment="設定鍵")
+    setting_value: Mapped[Optional[str]] = mapped_column(Text, comment="設定值")
+    setting_type: Mapped[SettingType] = mapped_column(SQLEnum(SettingType), default=SettingType.STRING)
+    description: Mapped[Optional[str]] = mapped_column(String(200), comment="設定描述")
+    updated_by: Mapped[Optional[int]] = mapped_column(ForeignKey("users.id"), comment="更新者ID")
+    updated_at: Mapped[datetime] = mapped_column(default=datetime.utcnow, onupdate=datetime.utcnow)
+    
+    def get_value(self):
+        """取得轉換後的設定值"""
+        if self.setting_value is None:
+            return None
+        if self.setting_type == SettingType.NUMBER:
+            return float(self.setting_value) if '.' in self.setting_value else int(self.setting_value)
+        if self.setting_type == SettingType.BOOLEAN:
+            return self.setting_value.lower() in ('true', '1', 'yes')
+        if self.setting_type == SettingType.JSON:
+            import json
+            return json.loads(self.setting_value)
+        return self.setting_value
+
+
+class AuditLog(Base):
+    """操作日誌表"""
+    __tablename__ = "audit_logs"
+    __table_args__ = (
+        Index("idx_audit_user", "user_id"),
+        Index("idx_audit_action", "action"),
+        Index("idx_audit_created", "created_at"),
+    )
+    
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    user_id: Mapped[Optional[int]] = mapped_column(ForeignKey("users.id"), comment="操作用戶ID")
+    action: Mapped[str] = mapped_column(String(50), nullable=False, comment="操作類型")
+    target_type: Mapped[Optional[str]] = mapped_column(String(50), comment="目標類型")
+    target_id: Mapped[Optional[str]] = mapped_column(String(50), comment="目標ID")
+    details: Mapped[Optional[dict]] = mapped_column(JSON, comment="操作詳情")
+    ip_address: Mapped[Optional[str]] = mapped_column(String(45), comment="IP地址")
+    user_agent: Mapped[Optional[str]] = mapped_column(String(500), comment="User Agent")
+    created_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)
+
+
+class NotificationLog(Base):
+    """通知記錄表"""
+    __tablename__ = "notification_logs"
+    __table_args__ = (
+        Index("idx_notification_status", "status"),
+    )
+    
+    id: Mapped[int] = mapped_column(primary_key=True, autoincrement=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("users.id"), nullable=False)
+    report_id: Mapped[Optional[int]] = mapped_column(ForeignKey("reports.id"), comment="關聯報告ID")
+    notification_type: Mapped[NotificationType] = mapped_column(SQLEnum(NotificationType), default=NotificationType.EMAIL)
+    subject: Mapped[Optional[str]] = mapped_column(String(200), comment="通知標題")
+    content: Mapped[Optional[str]] = mapped_column(Text, comment="通知內容")
+    status: Mapped[NotificationStatus] = mapped_column(SQLEnum(NotificationStatus), default=NotificationStatus.PENDING)
+    sent_at: Mapped[Optional[datetime]] = mapped_column()
+    error_message: Mapped[Optional[str]] = mapped_column(Text)
+    created_at: Mapped[datetime] = mapped_column(default=datetime.utcnow)
+    
+    # 關聯
+    report: Mapped[Optional["Report"]] = relationship(back_populates="notifications")