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 +1,158 @@
+import hmac
+import hashlib
+import json
+import logging
+from typing import Optional, Dict, Any
+from datetime import datetime, timedelta
+from sqlalchemy.ext.asyncio import AsyncSession
+from sqlalchemy import select
+from app.models.subscription import Subscription
+from app.models.user import User
+from app.config import settings
+
+logger = logging.getLogger(__name__)
+
+PLANS = {
+    "free": {"price": 0, "duration_days": None},
+    "pro": {"price": 99, "duration_days": 30},
+    "enterprise": {"price": 399, "duration_days": 30},
+}
+
+
+class PaymentService:
+    def __init__(self, db: AsyncSession):
+        self.db = db
+
+    async def get_plans(self) -> Dict[str, Any]:
+        return {
+            "plans": [
+                {
+                    "id": "free",
+                    "name": "免费版",
+                    "price": 0,
+                    "features": [
+                        "1 个产品",
+                        "20 次翻译/天",
+                        "5 个客户",
+                        "基础回复建议",
+                    ],
+                },
+                {
+                    "id": "pro",
+                    "name": "Pro 版",
+                    "price": 99,
+                    "features": [
+                        "10 个产品",
+                        "无限翻译",
+                        "50 个客户",
+                        "跟进提醒",
+                        "报价单生成",
+                    ],
+                },
+                {
+                    "id": "enterprise",
+                    "name": "企业版",
+                    "price": 399,
+                    "features": [
+                        "无限产品",
+                        "多人协作",
+                        "品牌报价单",
+                        "专属语料训练",
+                        "API 接入",
+                    ],
+                },
+            ]
+        }
+
+    async def get_current_subscription(self, user_id: str) -> Dict[str, Any]:
+        result = await self.db.execute(
+            select(Subscription).where(
+                Subscription.user_id == user_id,
+                Subscription.status == "active",
+            ).order_by(Subscription.created_at.desc()).limit(1)
+        )
+        sub = result.scalar_one_or_none()
+
+        result = await self.db.execute(
+            select(User).where(User.id == user_id)
+        )
+        user = result.scalar_one_or_none()
+
+        return {
+            "plan": user.tier if user else "free",
+            "status": sub.status if sub else "active",
+            "expires_at": sub.expires_at.isoformat() if sub and sub.expires_at else None,
+            "auto_renew": sub.auto_renew if sub else False,
+        }
+
+    async def create_order(self, user_id: str, plan: str) -> Dict[str, Any]:
+        if plan not in PLANS:
+            raise ValueError(f"Invalid plan: {plan}")
+
+        plan_info = PLANS[plan]
+        if plan_info["price"] == 0:
+            result = await self.db.execute(select(User).where(User.id == user_id))
+            user = result.scalar_one_or_none()
+            if user:
+                user.tier = plan
+                await self.db.flush()
+            return {"status": "ok", "plan": plan, "amount": 0}
+
+        from app.config import settings
+        order_id = f"ORD{datetime.utcnow().strftime('%Y%m%d%H%M%S')}{user_id[-6:]}"
+
+        sub = Subscription(
+            user_id=user_id,
+            plan=plan,
+            status="pending",
+            amount=plan_info["price"],
+            payment_id=order_id,
+        )
+        self.db.add(sub)
+        await self.db.flush()
+
+        pay_params = {
+            "appId": settings.WECHAT_APP_ID or "",
+            "timeStamp": str(int(datetime.utcnow().timestamp())),
+            "nonceStr": hashlib.md5(order_id.encode()).hexdigest()[:16],
+            "package": f"prepay_id={order_id}",
+            "signType": "MD5",
+        }
+        sign_str = "&".join(f"{k}={v}" for k, v in sorted(pay_params.items()))
+        sign_str += f"&key={settings.SECRET_KEY}"
+        pay_params["paySign"] = hashlib.md5(sign_str.encode()).hexdigest().upper()
+
+        return {
+            "status": "pending",
+            "order_id": order_id,
+            "plan": plan,
+            "amount": plan_info["price"],
+            "currency": "CNY",
+            "pay_params": pay_params,
+        }
+
+    async def handle_payment_callback(self, payment_id: str, success: bool) -> bool:
+        result = await self.db.execute(
+            select(Subscription).where(Subscription.payment_id == payment_id)
+        )
+        sub = result.scalar_one_or_none()
+        if not sub:
+            return False
+
+        if success:
+            sub.status = "active"
+            sub.started_at = datetime.utcnow()
+            sub.expires_at = datetime.utcnow() + timedelta(days=PLANS[sub.plan]["duration_days"])
+
+            user_result = await self.db.execute(select(User).where(User.id == sub.user_id))
+            user = user_result.scalar_one_or_none()
+            if user:
+                user.tier = sub.plan
+        else:
+            sub.status = "failed"
+
+        await self.db.flush()
+        return True
+
+
+payment_service = PaymentService