feat: backend i18n #2056

younocode · 2025-10-28T11:09:48Z

add next-i18n package
email i18n
notification i18n

github-actions · 2025-10-28T11:25:45Z

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github-actions · 2025-10-28T15:42:35Z

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github-actions · 2025-10-29T02:32:27Z

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Copilot

Pull Request Overview

This PR adds internationalization (i18n) support to the application using the nestjs-i18n library. The implementation enables multi-language support for notifications, email templates, and user preferences.

Adds nestjs-i18n library (v10.5.1) for backend internationalization
Introduces user language preference storage in the database (lang field)
Converts hardcoded email templates and notifications to use i18n keys with translation files
Updates notification schema to support i18n messages (messageI18n field)

Reviewed Changes

Copilot reviewed 37 out of 38 changed files in this pull request and generated 7 comments.

Show a summary per file

File	Description
pnpm-lock.yaml	Adds nestjs-i18n package and related dependencies
packages/openapi/src/user/update-lang.ts	New API endpoint for updating user language preference
packages/db-main-prisma/prisma/*.prisma	Adds `lang` field to User model and `messageI18n` field to Notification model
packages/core/src/models/notification/notification.schema.ts	Adds optional `messageI18n` field to notification schema
packages/common-i18n/src/locales/*/common.json	Adds translation templates for emails and notifications
apps/nextjs-app/src/features/app/components/notifications/notification-component/LinkNotification.tsx	Implements client-side i18n message rendering for notifications
apps/nextjs-app/src/features/app/components/LanguagePicker.tsx	Updates language picker to call new API endpoint
apps/nestjs-backend/src/utils/i18n.ts	Utility to resolve i18n locale path
apps/nestjs-backend/src/global/global.module.ts	Configures i18n module with resolvers
apps/nestjs-backend/src/features/user/user.service.ts	Adds user language update and sets default language on user creation
apps/nestjs-backend/src/features/notification/notification.service.ts	Refactors to support i18n messages in notifications
apps/nestjs-backend/src/features/mail-sender/mail-sender.service.ts	Converts email templates to use i18n keys
apps/nestjs-backend/src/features/import/open-api/*.ts	Passes user language context to import jobs for localized notifications

Files not reviewed (1)

pnpm-lock.yaml: Language not supported

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apps/nestjs-backend/src/features/notification/notification.service.ts

apps/nestjs-backend/src/features/comment/comment-open-api.service.ts

packages/common-i18n/src/locales/en/common.json

apps/nestjs-backend/src/features/model/setting.ts

apps/nestjs-backend/src/app.module.ts

coveralls · 2025-10-30T11:24:11Z

Pull Request Test Coverage Report for Build 18938434872

Details

206 of 343 (60.06%) changed or added relevant lines in 14 files are covered.
18 unchanged lines in 4 files lost coverage.
Overall coverage decreased (-0.07%) to 74.808%

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
apps/nestjs-backend/src/features/mail-sender/open-api/mail-sender-open-api.service.ts	0	1	0.0%
apps/nestjs-backend/src/features/user/user.controller.ts	1	7	14.29%
apps/nestjs-backend/src/features/user/user.service.ts	2	9	22.22%
apps/nestjs-backend/src/features/base/base-export.service.ts	14	22	63.64%
apps/nestjs-backend/src/features/import/open-api/import-csv-chunk.processor.ts	3	17	17.65%
apps/nestjs-backend/src/features/import/open-api/import-csv.processor.ts	2	21	9.52%
apps/nestjs-backend/src/features/notification/notification.service.ts	48	74	64.86%
apps/nestjs-backend/src/features/mail-sender/mail-sender.service.ts	79	135	58.52%

Files with Coverage Reduction	New Missed Lines	%
apps/nestjs-backend/src/features/base/base-export.service.ts	1	86.03%
apps/nestjs-backend/src/features/import/open-api/import-csv-chunk.processor.ts	1	65.63%
apps/nestjs-backend/src/features/import/open-api/import-csv.processor.ts	2	59.32%
apps/nestjs-backend/src/features/mail-sender/mail-sender.service.ts	14	67.28%

Totals
Change from base Build 18938143368:	-0.07%
Covered Lines:	51557
Relevant Lines:	68919

💛 - Coveralls

github-actions · 2025-10-30T11:27:51Z

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…language field to User model

…omponent

…ion support

…n support

…8n context

github-actions · 2025-11-06T04:23:15Z

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apps/nestjs-backend/src/features/import/open-api/import-open-api.service.ts

github-actions · 2025-11-06T11:49:44Z

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younocode added the preview This issue is already ready for preview label Oct 28, 2025

younocode force-pushed the feat/backend-i18n branch 2 times, most recently from 5ba4ca1 to 8e37e33 Compare October 29, 2025 02:27

younocode force-pushed the feat/backend-i18n branch from 38022d8 to daa002a Compare October 29, 2025 07:32

younocode force-pushed the feat/backend-i18n branch 2 times, most recently from 371176b to 7cd6e21 Compare October 29, 2025 09:05

younocode added preview This issue is already ready for preview and removed preview This issue is already ready for preview labels Oct 29, 2025

younocode requested a review from Copilot October 30, 2025 10:15

Copilot AI reviewed Oct 30, 2025

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younocode force-pushed the feat/backend-i18n branch from c0cf54a to f6b0111 Compare October 30, 2025 10:59

younocode force-pushed the feat/backend-i18n branch from aade17f to f4ec736 Compare November 3, 2025 02:57

younocode force-pushed the feat/backend-i18n branch from 981045c to c4ec7df Compare November 3, 2025 07:37

younocode force-pushed the feat/backend-i18n branch from 7c2994c to d1dae4b Compare November 3, 2025 09:40

younocode requested a review from boris-w November 3, 2025 13:55

younocode added 12 commits November 6, 2025 12:09

feat: integrate nestjs-i18n for internationalization support and add …

b1811bb

…language field to User model

feat: email & notify support i18n

fff8471

refactor: improve localization message handling in LinkNotification c…

1b2d75d

…omponent

refactor: removing default values for email templates

60e7a4c

feat: enhance export notification with i18n support

d6a9310

feat: integrate i18n module into global module for enhanced localizat…

10855e1

…ion support

feat: add messageI18n field to notifications for improved localizatio…

2d4d84b

…n support

chore: update pnpm-lock.yaml

adb18a6

fix: remove unused i18n imports

5a759bf

fix: update language handling in notification service for improved i1…

91fc017

…8n context

feat: add multiple languages

913760a

fix: update verification code messages

d06d859

younocode force-pushed the feat/backend-i18n branch from 8a5df71 to d06d859 Compare November 6, 2025 04:10

boris-w reviewed Nov 6, 2025

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apps/nestjs-backend/src/features/import/open-api/import-open-api.service.ts Outdated Show resolved Hide resolved

feat: enhance user language management

d2405b7

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feat: backend i18n #2056

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feat: backend i18n #2056

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Pull Request Overview

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coveralls commented Oct 30, 2025

Pull Request Test Coverage Report for Build 18938434872

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younocode commented Oct 28, 2025 •

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