- 新增 internal/contract/enums 叶子包:platform/mood/mode 三表 + UnknownFallback="display-raw";每次调用返回新切片,无包级可变全局 - GET /api/v1/meta/enums(anyAuth 只读、纯投影、无 store/无错误路径) - 反漂移 4 处:真构造内置适配器断言 Name() 与表双向相等、真工厂 buildAccountAdapter 逐项可建、mood 对齐 emotion 常量 + 默认转移表、mode 对齐前端 MODES(跨语言,文件缺失则 skip) - Docs/api-client §1.1 枚举权威表 + 行15 + v0.38;api-reference §3.7 + 行12
43 lines
1.7 KiB
Go
43 lines
1.7 KiB
Go
package gateway
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import (
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"net/http"
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"git.yeij.top/AskaEth/Cyrene_v2/internal/contract/enums"
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)
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// This file owns the read-only client metadata surface: GET /api/v1/meta/enums,
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// which publishes the authoritative platform/mood/mode tables (Android
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// collaboration B4, design/07 §6). Clients (Web, Android, an IM bridge) read the
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// tables instead of hardcoding their own id → label mapping, so a source badge or
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// a mood label cannot drift per client. The tables themselves live in
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// internal/contract/enums; this handler only serves them, so there is one source
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// of truth rather than a copy per consumer.
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// metaEnums is the GET /api/v1/meta/enums payload. `unknown` carries the
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// machine-readable fallback policy (enums.UnknownFallback) so a client reads the
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// tables and the rule for an unlisted value from the same response.
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type metaEnums struct {
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Platforms []enums.Item `json:"platforms"`
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Moods []enums.Item `json:"moods"`
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Modes []enums.Item `json:"modes"`
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Unknown string `json:"unknown"`
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}
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// handleListEnums serves the shared client enum tables. It is a pure projection
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// of the Go-side authority (no store, no error path) and contains nothing
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// sensitive, so it is gated like GET /api/v1/sessions: any authenticated role may
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// read it.
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//
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// Adding a value to a table is a non-breaking change for existing clients, which
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// must display an unlisted value raw (see enums.UnknownFallback) rather than
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// dropping it or erroring.
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func (s *Server) handleListEnums(w http.ResponseWriter, _ *http.Request) {
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writeJSON(w, http.StatusOK, metaEnums{
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Platforms: enums.Platforms(),
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Moods: enums.Moods(),
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Modes: enums.Modes(),
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Unknown: enums.UnknownFallback,
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})
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}
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