diplomail (Stage D): language detection + lazy translation cache
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Replaces the LangUndetermined placeholder with whatlanggo-backed
body detection on every send path, then adds a translation cache
keyed on (message_id, target_lang) populated lazily on the
per-message read endpoint. The noop translator that ships with
Stage D returns engine="noop", which the service treats as
"translation unavailable" — wiring a real backend (LibreTranslate
HTTP client is the documented next step) is a one-file swap.

GetMessage and ListInbox now accept a targetLang argument; the HTTP
layer resolves the caller's accounts.preferred_language and
forwards it. Inbox uses the cache only (never calls the
translator) so bulk reads stay fast under future SaaS backends.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Ilia Denisov
2026-05-15 19:16:12 +02:00
parent 362f92e520
commit e22f4b7800
16 changed files with 599 additions and 24 deletions
+1
View File
@@ -36,6 +36,7 @@ require (
)
require (
github.com/abadojack/whatlanggo v1.0.1 // indirect
github.com/oschwald/geoip2-golang/v2 v2.1.0 // indirect
github.com/oschwald/maxminddb-golang/v2 v2.1.1 // indirect
github.com/robfig/cron/v3 v3.0.1 // indirect