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Commilitia Drop：自托管的跨设备剪贴板同步与点对点文件传输。 - 后端 Go（chi / SQLite WAL / SSE Hub / WebRTC signaling + 状态机 / Relay ring buffer），编译进单个 distroless 镜像（前端 go:embed）。 - 前端 React + TanStack Router + Zustand，自实现 SSE + WebRTC P2P，NAT 受阻时回退服务端中继；聚珍（Juzhen）CJK 综合排版。 - 桌面端 Wails v2（macOS / Windows），瘦客户端复用 web。 - 鉴权 OIDC PKCE（自建 Casdoor 等），refresh_token 信封加密存系统密钥库；iOS Shortcut 用 HS256 scoped token。 架构文档与变更记录见 docs 分支（PROJECT_BRIEF / FRONTEND_DESIGN / CHANGELOG）。 本次为公开发布初始提交：完整开发历史（含部署细节）留存于私有归档，公开仓库自此干净起步。
29 lines
1.3 KiB
SQL
29 lines
1.3 KiB
SQL
-- name: UpsertClipboard :one
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-- New rows start version 1; conflicts bump version by 1 (per-user monotonic).
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-- LWW: the DO UPDATE only runs when the new origin_ts is strictly greater than
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-- the stored one, so a delayed / out-of-order older copy changes nothing and
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-- RETURNING yields no row (the service reads sql.ErrNoRows as "stale, rejected").
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INSERT INTO clipboard_state (user_id, content_type, content, source_device, updated_at, version, origin_ts)
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VALUES (?, ?, ?, ?, ?, 1, ?)
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ON CONFLICT (user_id) DO UPDATE SET
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content_type = excluded.content_type,
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content = excluded.content,
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source_device = excluded.source_device,
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updated_at = excluded.updated_at,
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version = clipboard_state.version + 1,
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origin_ts = excluded.origin_ts
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WHERE excluded.origin_ts > clipboard_state.origin_ts
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RETURNING version;
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-- name: GetClipboard :one
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SELECT user_id, content_type, content, source_device, updated_at, version, origin_ts
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FROM clipboard_state
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WHERE user_id = ?;
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-- name: ClearExpiredClipboards :execrows
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-- 清除 updated_at 早于 cutoff 的剪贴板内容（content / source_device 置空），
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-- 由 sweeper 周期调用实现短 TTL；保留行本身、仅抹掉内容。
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UPDATE clipboard_state
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SET content = NULL, source_device = NULL
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WHERE content IS NOT NULL AND updated_at < ?;
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