refactor: remove settings and user language

backend/src/bot/handlers/root.tsx

@@ -25,8 +25,6 @@ export default handler((composer) => {
   })
 
   composer.use(views.main)
-  composer.use(views.settings)
-  composer.use(views.settingsLanguage)
   composer.use(views.trainingsDaysList)
   composer.use(views.trainingsDayTrainings)
   composer.use(views.trainingsTraining)

backend/src/bot/handlers/views/index.ts

@@ -1,8 +1,6 @@
 import type { Context, MiddlewareFn } from 'grammy'
 import type { TgxElement } from '@telegum/tgx'
 import main from './main'
-import settings from './settings'
-import settingsLanguage from './settings_language'
 import trainingsDaysList from './trainings_days-list'
 import trainingsDayTrainings from './trainings_day-trainings'
 import trainingsTraining from './trainings_training'
@@ -16,8 +14,6 @@ export type View<C extends Context, P = {}> = {
 
 export default {
   main,
-  settings,
-  settingsLanguage,
   trainingsDaysList,
   trainingsDayTrainings,
   trainingsTraining,

backend/src/bot/handlers/views/main.tsx

@@ -6,7 +6,6 @@ import type { Ctx } from '~/bot/context'
 
 const VIEW_ID = 'main'
 
-const SettingsButton = makeButton({ id: `${VIEW_ID}:settings` })
 const TrainingsButton = makeButton({ id: `${VIEW_ID}:trainings` })
 const SemestersButton = makeButton({ id: `${VIEW_ID}:semesters` })
 
@@ -20,23 +19,12 @@ export default {
         <br />
         <button url="https://innohassle.ru/sport">{ctx.t['Views.Main.Buttons.Calendar']}</button>
         <button url="https://sport.innopolis.university">{ctx.t['Views.Main.Buttons.Website']}</button>
-        <br />
-        <SettingsButton>{ctx.t['Views.Main.Buttons.Settings']}</SettingsButton>
       </keyboard>
     </>
   ),
   middleware: () => {
     const composer = new Composer<Ctx>()
 
-    composer
-      .filter(SettingsButton.filter)
-      .use(async (ctx) => {
-        await ctx
-          .edit(ctx.from.id, ctx.msg!.message_id)
-          .to(await views.settings.render(ctx, {}))
-        ctx.answerCallbackQuery()
-      })
-
     composer
       .filter(TrainingsButton.filter)
       .use(async (ctx) => {

backend/src/bot/plugins/translations.ts

@@ -5,27 +5,11 @@ import translations from '~/translations'
 
 export type TranslationsFlavor = {
   t: Translation
-  updateLanguage: (language?: Language) => void
 }
 
 export const install: InstallFn<TranslationsFlavor & DomainFlavor> = (bot) => {
   bot.use((ctx, next) => {
-    ctx.updateLanguage = (language) => {
-      let translation
-      if (language) {
-        translation ??= translations[language]
-      }
-      if (ctx.user?.language) {
-        translation ??= translations[ctx.user.language as Language]
-      }
-      if (ctx.from?.language_code) {
-        translation ??= translations[ctx.from.language_code as Language]
-      }
-      translation ??= translations.en
-      ctx.t = translation
-    }
-    ctx.updateLanguage()
-
+    ctx.t = translations[ctx.user?.language as Language] ?? translations.en
     return next()
   })
 }

backend/src/services/database/migrations/20240407143223_remove_user_language/migration.sql

@@ -0,0 +1,8 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `language` on the `User` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE "User" DROP COLUMN "language";

backend/src/services/database/schema.prisma

@@ -14,8 +14,4 @@ model User {
   username   String?
   firstName  String
   lastName   String?
-
-  // Interface language user prefers as ISO 639-1 language code
-  // or null if user did not specify it.
-  language String?
 }

backend/src/translations/_en.tsx

@@ -85,17 +85,11 @@ export default {
   'Alert.CancelCheckInError': 'Error occurred during check-in cancellation.',
 
   'Views.Main.Message': 'Hi! Here is a list of actions:',
-  'Views.Main.Buttons.Settings': '⚙️ Settings',
   'Views.Main.Buttons.Trainings': '⛹️ Classes',
   'Views.Main.Buttons.Semesters': '📊 Semesters',
   'Views.Main.Buttons.Website': '🌐 Website',
   'Views.Main.Buttons.Calendar': '📆 Calendar',
 
-  'Views.Settings.Message': 'A list of configurable things:',
-  'Views.Settings.Buttons.Language': '🌐 Language',
-
-  'Views.LanguageSettings.Message': 'Which flag do you like more?',
-
   'Views.TrainingsDaysList.Message': 'Choose the date:',
 
   'Views.DayTrainings.Message': 'Choose the class:',