Merge commit '026c837b919ab4380e8a6e6c052364bbf9bbe8a3' as 'core'

core/backend/app/api/v1/settings.py

@@ -0,0 +1,84 @@
+from fastapi import APIRouter, Depends
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from pydantic import BaseModel
+from app.core.database import get_db
+from app.core.deps import get_current_user, require_roles
+from app.models.user import User
+from app.models.setting import SystemSetting
+from app.services.audit import log_audit
+
+router = APIRouter(prefix="/settings", tags=["系统设置"])
+
+# Default settings — used when keys are missing from DB
+DEFAULTS: dict[str, str] = {
+    "platform_name": "天普零碳园区智慧能源管理平台",
+    "data_retention_days": "365",
+    "alarm_auto_resolve_minutes": "30",
+    "simulator_interval_seconds": "15",
+    "notification_email_enabled": "false",
+    "notification_email_smtp": "",
+    "report_auto_schedule_enabled": "false",
+    "timezone": "Asia/Shanghai",
+}
+
+
+class SettingsUpdate(BaseModel):
+    platform_name: str | None = None
+    data_retention_days: int | None = None
+    alarm_auto_resolve_minutes: int | None = None
+    simulator_interval_seconds: int | None = None
+    notification_email_enabled: bool | None = None
+    notification_email_smtp: str | None = None
+    report_auto_schedule_enabled: bool | None = None
+    timezone: str | None = None
+
+
+@router.get("")
+async def get_settings(
+    db: AsyncSession = Depends(get_db),
+    user: User = Depends(get_current_user),
+):
+    """Return all platform settings as a flat dict."""
+    result = await db.execute(select(SystemSetting))
+    db_settings = {s.key: s.value for s in result.scalars().all()}
+    # Merge defaults with DB values
+    merged = {**DEFAULTS, **db_settings}
+    # Cast types for frontend
+    return {
+        "platform_name": merged["platform_name"],
+        "data_retention_days": int(merged["data_retention_days"]),
+        "alarm_auto_resolve_minutes": int(merged["alarm_auto_resolve_minutes"]),
+        "simulator_interval_seconds": int(merged["simulator_interval_seconds"]),
+        "notification_email_enabled": merged["notification_email_enabled"] == "true",
+        "notification_email_smtp": merged["notification_email_smtp"],
+        "report_auto_schedule_enabled": merged["report_auto_schedule_enabled"] == "true",
+        "timezone": merged["timezone"],
+    }
+
+
+@router.put("")
+async def update_settings(
+    data: SettingsUpdate,
+    db: AsyncSession = Depends(get_db),
+    user: User = Depends(require_roles("admin")),
+):
+    """Update platform settings (admin only)."""
+    updates = data.model_dump(exclude_unset=True)
+    changed_keys = []
+    for key, value in updates.items():
+        str_value = str(value).lower() if isinstance(value, bool) else str(value)
+        result = await db.execute(select(SystemSetting).where(SystemSetting.key == key))
+        setting = result.scalar_one_or_none()
+        if setting:
+            setting.value = str_value
+        else:
+            db.add(SystemSetting(key=key, value=str_value))
+        changed_keys.append(key)
+
+    await log_audit(
+        db, user.id, "update", "system",
+        detail=f"更新系统设置: {', '.join(changed_keys)}",
+    )
+
+    return {"message": "设置已更新"}