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chore: import upstream snapshot with attribution
2026-07-13 12:22:54 +08:00

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// Copyright (c) 2026 Lark Technologies Pte. Ltd.
// SPDX-License-Identifier: MIT
package apps
import (
"context"
"encoding/json"
"fmt"
"io"
"strconv"
"strings"
"github.com/larksuite/cli/shortcuts/common"
)
const dbTableListHint = "verify --app-id is correct; if targeting --environment dev, create it first with `lark-cli apps +db-env-create --app-id <app_id> --environment dev`"
// AppsDBTableList lists tables in an app's database.
//
// GET /apps/{app_id}/tablescursor 分页),response items[] 含 estimated_row_count /
// size_bytes optional 字段,默认返回,不必额外传 query。
//
// 输出裁剪:server 给每张表回完整 columns[](与 +db-table-get 同源、内容一致)。CLI 用白名单
// 投影(dbTableListItem)只组装产品要求字段、把 columns[] 折算成 column_count,避免逐表重复列定义
// 放大 token、并与 +db-table-get 职责区分。完整列定义 / 索引 / 约束 / DDL 用 +db-table-get。
//
// pretty 渲染 5 列:name / description / estimated_row_count / size / columns(即 column_count);
// 列间两空格、列对齐填充、空 description 用 "—" 占位、size 按 KB/MB/GB 友好格式化。
var AppsDBTableList = common.Shortcut{
Service: appsService,
Command: "+db-table-list",
Description: "List tables in an app database (cursor pagination)",
Risk: "read",
Tips: []string{
"Example: lark-cli apps +db-table-list --app-id <app_id>",
"Tip: filter fields with --jq, e.g. -q '.data.items[].name'",
},
Scopes: []string{"spark:app:read"},
AuthTypes: []string{"user"},
HasFormat: true,
Flags: append([]common.Flag{
{Name: "app-id", Desc: "app id", Required: true},
{Name: "page-size", Type: "int", Default: "20", Desc: "page size"},
{Name: "page-token", Desc: "pagination cursor from previous response"},
}, dbEnvFlags("", []string{"dev", "online"}, "target db environment; leave unset to auto-select (multi-env app uses dev, single-env uses online), or pass dev/online")...),
Validate: func(ctx context.Context, rctx *common.RuntimeContext) error {
if _, err := requireAppID(rctx.Str("app-id")); err != nil {
return err
}
return rejectLegacyEnvFlag(rctx)
},
DryRun: func(ctx context.Context, rctx *common.RuntimeContext) *common.DryRunAPI {
appID, _ := requireAppID(rctx.Str("app-id"))
return common.NewDryRunAPI().
GET(appTablesPath(appID)).
Desc("List app db tables").
Params(buildDBTableListParams(rctx))
},
Execute: func(ctx context.Context, rctx *common.RuntimeContext) error {
appID, err := requireAppID(rctx.Str("app-id"))
if err != nil {
return err
}
data, err := rctx.CallAPITyped("GET", appTablesPath(appID), buildDBTableListParams(rctx), nil)
if err != nil {
return withAppsHint(err, dbTableListHint)
}
// 白名单投影:只把产品要求的字段组装进 dbTableListItem,替换 server 原始 items[]。
// server 给每张表回完整 columns[](与 +db-table-get 同源、逐字节一致),在 list 里逐表
// 重复既放大 token 又与 schema 职责重叠。这里用白名单而非 delete 黑名单 —— server 后续新增
// 字段不会自动泄漏进 CLI 输出。需要完整列定义 / 索引 / 约束 / DDL 用 +db-table-get。
items := projectTableListItems(data["items"])
data["items"] = items
rctx.OutFormat(data, nil, func(w io.Writer) {
renderTableListPretty(w, items)
})
return nil
},
}
// dbTableListItem 是 +db-table-list 对外输出的「产品要求字段」白名单。
// 改字段在此处增删即可,无需在 Execute 里逐个 delete server 返回的多余字段。
type dbTableListItem struct {
Name string `json:"name"`
Description string `json:"description"`
EstimatedRowCount interface{} `json:"estimated_row_count,omitempty"`
SizeBytes interface{} `json:"size_bytes,omitempty"`
ColumnCount int `json:"column_count"`
}
// projectTableListItems 把 server 原始 items[]map)投影成白名单 dbTableListItem 切片。
// column_count 由 server 返回的 columns[] 长度派生(随后 columns[] 不再透出)。
func projectTableListItems(raw interface{}) []dbTableListItem {
arr, _ := raw.([]interface{})
out := make([]dbTableListItem, 0, len(arr))
for _, it := range arr {
m, ok := it.(map[string]interface{})
if !ok {
continue
}
out = append(out, dbTableListItem{
Name: common.GetString(m, "name"),
Description: common.GetString(m, "description"),
EstimatedRowCount: m["estimated_row_count"],
SizeBytes: m["size_bytes"],
ColumnCount: deriveColumnCount(m),
})
}
return out
}
func buildDBTableListParams(rctx *common.RuntimeContext) map[string]interface{} {
params := dbEnvParams(rctx, map[string]interface{}{
"page_size": rctx.Int("page-size"),
})
if token := strings.TrimSpace(rctx.Str("page-token")); token != "" {
params["page_token"] = token
}
return params
}
// renderTableListPretty 5 列输出,列间两空格、列对齐填充。
//
// 列名:name / description / estimated_row_count / size / columns。
// 空 description 用 "—" 占位;size 由 size_bytes 经 humanBytes 友好格式化;
// columns 列取白名单投影的 column_count。
func renderTableListPretty(w io.Writer, items []dbTableListItem) {
headers := []string{"name", "description", "estimated_row_count", "size", "columns"}
rows := make([][]string, 0, len(items))
for _, item := range items {
desc := item.Description
if desc == "" {
desc = "—"
}
rows = append(rows, []string{
item.Name,
desc,
intString(item.EstimatedRowCount),
humanBytes(item.SizeBytes),
fmt.Sprintf("%d", item.ColumnCount),
})
}
renderAlignedTable(w, headers, rows)
}
// renderAlignedTable 输出列对齐表格:列间两空格、列宽按每列最长 cell 填充、
// 不画 `|` 和 `-` 分隔线、不依赖 TTY 着色。
func renderAlignedTable(w io.Writer, headers []string, rows [][]string) {
if len(headers) == 0 {
return
}
widths := make([]int, len(headers))
for i, h := range headers {
widths[i] = displayWidth(h)
}
for _, row := range rows {
for i, cell := range row {
if i >= len(widths) {
break
}
if dw := displayWidth(cell); dw > widths[i] {
widths[i] = dw
}
}
}
writeRow := func(cells []string) {
for i, cell := range cells {
if i >= len(widths) {
continue
}
if i > 0 {
io.WriteString(w, " ")
}
io.WriteString(w, cell)
if i < len(widths)-1 {
pad := widths[i] - displayWidth(cell)
if pad > 0 {
io.WriteString(w, strings.Repeat(" ", pad))
}
}
}
io.WriteString(w, "\n")
}
writeRow(headers)
for _, r := range rows {
writeRow(r)
}
}
// displayWidth 估算字符串在 monospace 终端下的显示宽度。
// ASCII 占 1 列;CJK / 全角字符占 2 列;其他多字节字符按 rune 数算(保守)。
func displayWidth(s string) int {
w := 0
for _, r := range s {
switch {
case r < 0x80:
w++
case isWide(r):
w += 2
default:
w++
}
}
return w
}
func isWide(r rune) bool {
switch {
case r >= 0x1100 && r <= 0x115F: // Hangul Jamo
case r >= 0x2E80 && r <= 0x303E: // CJK Radicals / Kangxi
case r >= 0x3041 && r <= 0x33FF: // Hiragana / Katakana / Bopomofo / CJK Symbols
case r >= 0x3400 && r <= 0x4DBF: // CJK Extension A
case r >= 0x4E00 && r <= 0x9FFF: // CJK Unified Ideographs
case r >= 0xA000 && r <= 0xA4CF: // Yi
case r >= 0xAC00 && r <= 0xD7A3: // Hangul Syllables
case r >= 0xF900 && r <= 0xFAFF: // CJK Compatibility Ideographs
case r >= 0xFE30 && r <= 0xFE4F: // CJK Compatibility Forms
case r >= 0xFF00 && r <= 0xFF60: // Fullwidth Forms
case r >= 0xFFE0 && r <= 0xFFE6: // Fullwidth Signs
case r >= 0x20000 && r <= 0x2FFFD: // CJK Extension B-F
case r >= 0x30000 && r <= 0x3FFFD: // CJK Extension G
default:
return false
}
return true
}
// humanBytes 把 size_bytes 数值转 KB / MB / GB 友好字符串。
// 1 KiB = 1024 B;与 PG / 操作系统约定一致。
func humanBytes(raw interface{}) string {
n, ok := numericAsFloat(raw)
if !ok {
return "—"
}
const unit = 1024.0
switch {
case n < unit:
return fmt.Sprintf("%d B", int64(n))
case n < unit*unit:
return fmt.Sprintf("%.0f KB", n/unit)
case n < unit*unit*unit:
return formatFloat(n/(unit*unit)) + " MB"
default:
return formatFloat(n/(unit*unit*unit)) + " GB"
}
}
// formatFloat 一位小数;整数值省略小数(24 KB 而不是 24.0 KB1.5 MB 而不是 1 MB)。
func formatFloat(f float64) string {
if f == float64(int64(f)) {
return fmt.Sprintf("%d", int64(f))
}
return fmt.Sprintf("%.1f", f)
}
// intString 把 JSON 反序列化进来的 number 转为整数字符串显示(estimated_row_count)。
func intString(raw interface{}) string {
if n, ok := numericAsFloat(raw); ok {
return fmt.Sprintf("%d", int64(n))
}
return "—"
}
func numericAsFloat(raw interface{}) (float64, bool) {
switch v := raw.(type) {
case float64:
return v, true
case float32:
return float64(v), true
case int:
return float64(v), true
case int32:
return float64(v), true
case int64:
return float64(v), true
case uint:
return float64(v), true
case uint32:
return float64(v), true
case uint64:
return float64(v), true
case json.Number:
f, err := v.Float64()
if err != nil {
return 0, false
}
return f, true
case string:
// 服务端有些数值字段(如 recovery diff 的 inserted/deleted 行数)以字符串下发。
s := strings.TrimSpace(v)
if s == "" {
return 0, false
}
f, err := strconv.ParseFloat(s, 64)
if err != nil {
return 0, false
}
return f, true
case nil:
return 0, false
}
return 0, false
}
// deriveColumnCount 从 items[i].columns 数组长度派生 column_count。
func deriveColumnCount(m map[string]interface{}) int {
cols, ok := m["columns"].([]interface{})
if !ok {
return 0
}
return len(cols)
}