feat: 修复 H5 底部导航覆盖 + 更新项目进度文档

## H5 底部导航修复 (Bug #10) - 精简 App.vue，移除重复 tabbar，仅保留全局样式 - uni-page 设置 height: calc(100% - 50px) + overflow-y: auto - 内容区域精确停在底部导航上方，独立滚动不再叠加 - 恢复 custom-tab-bar 组件 ## 项目进度文档 - PROGRESS.md 更新至 10 个 Bug 修复 - 新增 H5 底部导航修复记录 - 新增历史变更条目
2026-05-12 20:24:42 +08:00
parent 69e164dcae
commit 7b62c2f8b4
125 changed files with 19725 additions and 728 deletions
@@ -0,0 +1,119 @@
+from typing import Dict, Any, List, Optional
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select, func, and_
+from app.models.notification import Notification
+from datetime import datetime
+
+
+class NotificationService:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def list_notifications(
+        self, user_id: str, page: int = 1, size: int = 20, unread_only: bool = False
+    ) -> Dict[str, Any]:
+        query = select(Notification).where(Notification.user_id == user_id)
+        if unread_only:
+            query = query.where(Notification.is_read == False)
+        query = query.order_by(Notification.created_at.desc()).offset(
+            (page - 1) * size
+        ).limit(size)
+
+        count_query = select(func.count(Notification.id)).where(
+            Notification.user_id == user_id
+        )
+        if unread_only:
+            count_query = count_query.where(Notification.is_read == False)
+
+        total = await self.db.execute(count_query)
+        result = await self.db.execute(query)
+        notifications = result.scalars().all()
+
+        return {
+            "items": [
+                {
+                    "id": str(n.id),
+                    "title": n.title,
+                    "content": n.content,
+                    "type": n.notification_type,
+                    "reference_type": n.reference_type,
+                    "reference_id": n.reference_id,
+                    "is_read": n.is_read,
+                    "created_at": n.created_at.isoformat() if n.created_at else None,
+                }
+                for n in notifications
+            ],
+            "total": total.scalar() or 0,
+            "page": page,
+            "size": size,
+        }
+
+    async def get_unread_count(self, user_id: str) -> int:
+        result = await self.db.execute(
+            select(func.count(Notification.id)).where(
+                and_(Notification.user_id == user_id, Notification.is_read == False)
+            )
+        )
+        return result.scalar() or 0
+
+    async def mark_read(self, user_id: str, notification_id: str) -> bool:
+        result = await self.db.execute(
+            select(Notification).where(
+                and_(
+                    Notification.id == notification_id,
+                    Notification.user_id == user_id,
+                )
+            )
+        )
+        n = result.scalar_one_or_none()
+        if not n:
+            return False
+        n.is_read = True
+        await self.db.flush()
+        return True
+
+    async def mark_all_read(self, user_id: str) -> int:
+        result = await self.db.execute(
+            select(Notification).where(
+                and_(Notification.user_id == user_id, Notification.is_read == False)
+            )
+        )
+        notifications = result.scalars().all()
+        for n in notifications:
+            n.is_read = True
+        await self.db.flush()
+        return len(notifications)
+
+    async def delete_notification(self, user_id: str, notification_id: str) -> bool:
+        result = await self.db.execute(
+            select(Notification).where(
+                and_(
+                    Notification.id == notification_id,
+                    Notification.user_id == user_id,
+                )
+            )
+        )
+        n = result.scalar_one_or_none()
+        if not n:
+            return False
+        await self.db.delete(n)
+        await self.db.flush()
+        return True
+
+    @staticmethod
+    async def create_notification(
+        db: AsyncSession, user_id: str, title: str, content: str,
+        notification_type: str = "system",
+        reference_type: str = None, reference_id: str = None,
+    ):
+        n = Notification(
+            user_id=user_id,
+            title=title,
+            content=content,
+            notification_type=notification_type,
+            reference_type=reference_type,
+            reference_id=reference_id,
+        )
+        db.add(n)
+        await db.flush()
+        return n