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evandance
87 lines
3.3 KiB
Go
87 lines
3.3 KiB
Go
// Copyright (c) 2026 Lark Technologies Pte. Ltd.
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// SPDX-License-Identifier: MIT
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package apps
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import (
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"context"
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"io"
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"strings"
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"github.com/larksuite/cli/shortcuts/common"
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)
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const dbTableGetHint = "verify --app-id and --table are correct; list tables with `lark-cli apps +db-table-list --app-id <app_id>`; if targeting --env dev, create it first with `lark-cli apps +db-env-create --app-id <app_id> --env dev`"
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// AppsDBTableGet gets one table's structure (动词对齐 +db-table-list)。
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//
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// GET /apps/{app_id}/tables/{table_name}。
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//
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// `--format` 同时驱动 CLI 渲染和 server 请求形态：
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// - `--format json`（默认）/ table / ndjson / csv：CLI 不传 format query，response 含结构化
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// columns / indexes / constraints / stats，envelope 化输出。
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// - `--format pretty`：CLI 给 server 带 ?format=ddl，response 含 ddl 字符串，stdout 直接打
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// ddl 内容（无 envelope / 无表格包装）。
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var AppsDBTableGet = common.Shortcut{
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Service: appsService,
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Command: "+db-table-get",
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Description: "Get a table's structure: columns, indexes and constraints",
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Risk: "read",
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Tips: []string{
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"Example: lark-cli apps +db-table-get --app-id <app_id> --table <table>",
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"Tip: filter fields with --jq (json format), e.g. -q '.data.columns[].name'",
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},
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Scopes: []string{"spark:app:read"},
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AuthTypes: []string{"user"},
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HasFormat: true,
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Flags: []common.Flag{
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{Name: "app-id", Desc: "Miaoda app id", Required: true},
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{Name: "table", Desc: "table name", Required: true},
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{Name: "env", Default: "online", Enum: []string{"dev", "online"}, Desc: "target db environment"},
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},
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Validate: func(ctx context.Context, rctx *common.RuntimeContext) error {
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if _, err := requireAppID(rctx.Str("app-id")); err != nil {
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return err
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}
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if strings.TrimSpace(rctx.Str("table")) == "" {
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return appsValidationParamError("--table", "--table is required")
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}
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return nil
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},
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DryRun: func(ctx context.Context, rctx *common.RuntimeContext) *common.DryRunAPI {
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appID, _ := requireAppID(rctx.Str("app-id"))
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return common.NewDryRunAPI().
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GET(appTablePath(appID, strings.TrimSpace(rctx.Str("table")))).
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Desc("Get Miaoda app db table schema").
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Params(buildDBTableGetParams(rctx))
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},
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Execute: func(ctx context.Context, rctx *common.RuntimeContext) error {
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appID, err := requireAppID(rctx.Str("app-id"))
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if err != nil {
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return err
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}
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path := appTablePath(appID, strings.TrimSpace(rctx.Str("table")))
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data, err := rctx.CallAPITyped("GET", path, buildDBTableGetParams(rctx), nil)
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if err != nil {
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return withAppsHint(err, dbTableGetHint)
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}
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rctx.OutFormat(data, nil, func(w io.Writer) {
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// pretty 模式：stdout 直接打 ddl 文本（无 trailing newline，由 server 返回的字符串决定）。
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io.WriteString(w, common.GetString(data, "ddl"))
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})
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return nil
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},
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}
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// buildDBTableGetParams 构造 schema 接口的 query。
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//
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// CLI 检测 rctx.Format == "pretty" 时给 server 带 format=ddl，要求返 CREATE 语句文本；
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// 其他 format（含默认 json）不传该参数，让 server 返默认结构化字段。
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func buildDBTableGetParams(rctx *common.RuntimeContext) map[string]interface{} {
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params := map[string]interface{}{"env": rctx.Str("env")}
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if rctx.Format == "pretty" {
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params["format"] = "ddl"
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}
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return params
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}
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