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pangolin/server
wangjia f2499a64e1
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fix(usage): 统计按客户端本地日聚合 —— 修「29号却显示28号数据」时区 bug
根因:服务端用量全按 UTC 预切天,UTC+8 用户在中国 0-8 点时 UTC 还是前一天,
「今天」就显示前一天数据。

改法(用户拍板:小时桶+查询带时区偏移):
- migration 000017 `usage_hourly`(UTC 纪元小时整数桶,稀疏存储,空小时不落行)。
- ReportUsage 同时累加 usage_hourly(按 windowEnd 的 UTC 小时);usage_daily 保留作配额/今日。
- `UsageCurve(days, offsetMin)`:读 UTC 小时桶,按客户端时区偏移**重新聚合成本地日**曲线。
- `/v1/usage?tz_offset=分钟`;客户端 `usage()` 带 `DateTime.now().timeZoneOffset.inMinutes`。
- 客户端早已「取曲线最后一点当今日」,故只改服务端聚合 + 带偏移即可。

测试:store 时区分桶证明(UTC 18:00 在 UTC vs UTC+8 落不同本地日,锁住 bug 修复)+
migration v17 + usage_hourly 表;集成测试改喂 hourly;全量 go/flutter test 绿。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-29 07:02:04 +08:00
..

Pangolin Server

Go 后端控制面,负责账户、套餐、激活码、设备与节点目录管理。架构详见 ../design/server/ARCHITECTURE.md

目录结构

server/
├── cmd/
│   ├── server/          # HTTP 服务入口(chi router/healthz/v1 挂载归 1d
│   └── migrate/         # 数据库迁移 CLI 入口(实现归 1e)
├── internal/
│   ├── config/          # 配置加载(env + 文件,归 1e)
│   ├── store/           # 数据库访问层 Postgres(归 1e
│   ├── apierr/          # 统一错误体 {code, message_zh, message_en}(归 1f
│   ├── idgen/           # UUID + Crockford Base32 激活码(归 1f
│   ├── auth/            # 验证码、argon2id、JWT RS256(归 1c/1d
│   ├── codes/           # 激活码批次、兑换、审计(归 1d)
│   ├── devices/         # 设备管理(归 1d)
│   ├── nodes/           # 节点目录、connect/disconnect(归 1d
│   ├── usage/           # 用量统计(归 1d)
│   └── admin/           # 内部管理端(归 1d)
├── Makefile
├── go.mod
├── go.sum
├── tools.go             # //go:build tools — 锁定 oapi-codegen / migrate 版本
└── .golangci.yml

常用命令

make build        # go build ./...
make test         # go test ./...
make vet          # go vet ./...
make lint         # golangci-lint run ./...
make generate     # oapi-codegen 代码生成(1d 填充)
make migrate-up   # 执行迁移(1e 填充)
make migrate-down # 回滚迁移(1e 填充)

# 快速启动(默认监听 :8080
go run ./cmd/server
# 指定地址
go run ./cmd/server -addr :9090
# 或通过环境变量
ADDR=:9090 go run ./cmd/server