Add I18n

.adonisrc.json

@@ -23,9 +23,13 @@
     "@adonisjs/auth",
     "@adonisjs/redis",
     "@adonisjs/lucid",
-    "@adonisjs/session"
+    "@adonisjs/session",
+    "@adonisjs/i18n"
   ],
   "aceProviders": [
     "@adonisjs/repl"
+  ],
+  "metaFiles": [
+    "resources/lang/**/*.(json|yaml)"
   ]
 }

ace-manifest.json

@@ -136,7 +136,7 @@
           "name": "connection",
           "propertyName": "connection",
           "type": "string",
-          "description": "Define a custom database connection for the migration"
+          "description": "The connection flag is used to lookup the directory for the migration file"
         },
         {
           "name": "folder",

app/Controllers/Http/LinksController.ts

@@ -5,7 +5,7 @@ import Link from "App/Models/Link";
 
 export default class LinksController {
 
-  public async getLink ({params, response}: HttpContextContract) {
+  public async getLink ({params, response, i18n}: HttpContextContract) {
     const code = params.id
     const link = await Link.findByOrFail('code', code)
 
@@ -14,40 +14,44 @@ export default class LinksController {
       await link.merge({
         visitCount: visitCount
       }).save()
-      return response.redirect(link.target)
+      return response.status(200).redirect(link.target)
     }
-    return response.badRequest(`Code does not exist ! (/${code})`)
+    return response.status(404).send({
+      message: i18n.formatMessage('messages.no_exists', { code: code })
+    })
   }
 
   public async getAllLinks ({response}: HttpContextContract) {
     const links = await Link.query().orderBy('id', 'asc')
-    return response.ok(links);
+    return response.status(200).send({
+      links
+    })
   }
 
-  public async getVisitCount ({params}: HttpContextContract) {
+  public async getVisitCount ({params, response, i18n}: HttpContextContract) {
     const code = params.id
     const link = await Link.findByOrFail('code', code)
 
     //Check if code exists
     if (link.code === code) {
-      return {
+      return response.status(200).send({
         count: link.visitCount
-      }
-    }
-    return {
-      message: `Code does not exist ! (${code}`
+      })
     }
+    return response.status(404).send({
+      message: i18n.formatMessage('messages.no_exists', { code: code })
+    })
   }
 
-  public async createLink ({request, auth}: HttpContextContract) {
+  public async createLink ({response, request, auth, i18n}: HttpContextContract) {
     await auth.authenticate()
     const link = await Link.create(await request.validate(StoreValidator))
-    return {
-      message: `Link successfully created : ${link.code} + ${link.target}`
-    }
+    return response.status(200).send({
+      message: i18n.formatMessage('messages.created', { link: link.code, target: link.target })
+    })
   }
 
-  public async updateLink ({request, auth}: HttpContextContract) {
+  public async updateLink ({response, request, auth}: HttpContextContract) {
     await auth.authenticate()
     const link = await Link.findByOrFail('code', request.input('code'))
     const data = await request.validate(UpdateValidator)
@@ -55,14 +59,19 @@ export default class LinksController {
       target: data.target,
       visitCount: 0
     }).save()
-    return link
+    return response.status(200).send({
+      link
+    })
   }
 
-  public async deleteLink ({request, auth}: HttpContextContract) {
+  public async deleteLink ({i18n, response, request, auth}: HttpContextContract) {
     await auth.authenticate()
     const code = request.input('code')
     const link = await Link.findByOrFail('code', code)
     await link.delete()
+    return response.status(200).send({
+      message: i18n.formatMessage('messages.deleted', { link: link.code })
+    })
   }
 
 }

app/Controllers/Http/UsersController.ts

@@ -2,31 +2,39 @@ import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
 
 export default class UsersController {
 
-  public async login ({request, auth}: HttpContextContract) {
+  public async login ({request, auth, response}: HttpContextContract) {
     const email = request.input('email')
     const password = request.input('password')
 
     const token = await auth.use('api').attempt(email, password, {
       expiresIn: '2 days'
     })
-    return token.toJSON()
+    return response.status(200).send({
+      token: token.toJSON()
+    })
   }
 
-  public async createInfiniteToken ({request, auth}: HttpContextContract) {
+  public async createInfiniteToken ({response, request, auth}: HttpContextContract) {
     const email = request.input('email')
     const password = request.input('password')
     const token = await auth.use('api').attempt(email, password)
-    return token.toJSON()
+    return response.status(200).send({
+      token: token.toJSON()
+    })
   }
 
-  public async logout ({auth}: HttpContextContract) {
+  public async logout ({response, auth, i18n}: HttpContextContract) {
     await auth.use('api').revoke()
-    return { message: 'Vous avez été déconnecté' }
+    return response.status(200).send({
+      message: i18n.formatMessage('messages.logout')
+    })
   }
 
-  public async me ({auth}: HttpContextContract) {
+  public async me ({response, auth}: HttpContextContract) {
     await auth.authenticate()
-    return auth.user
+    return response.status(200).send({
+      user: auth.user
+    })
   }
 
 }

app/Middleware/DetectUserLocale.ts

@@ -0,0 +1,45 @@
+import I18n from '@ioc:Adonis/Addons/I18n'
+import { HttpContextContract } from '@ioc:Adonis/Core/HttpContext'
+
+/**
+ * The middleware detects the user language using the "Accept-language" HTTP header
+ * or the "lang" query string parameter.
+ *
+ * Feel free to change the middleware implementation to what suits your needs. Just
+ * make sure
+ *
+ * - You always ensure the user selected language is supported by your app.
+ * - Only call "switchLocale" when the detected language is valid string value and
+ *   not "null" or "undefined"
+ */
+export default class DetectUserLocale {
+  /**
+   * Detect user language using "Accept-language" header or
+   * the "lang" query string parameter.
+   *
+   * The user language must be part of the "supportedLocales", otherwise
+   * this method should return null.
+   */
+  protected getUserLanguage(ctx: HttpContextContract) {
+    const availableLocales = I18n.supportedLocales()
+    return ctx.request.language(availableLocales) || ctx.request.input('lang')
+  }
+
+  /**
+   * Handle method is called by AdonisJS automatically on every middleware
+   * class.
+   */
+  public async handle(ctx: HttpContextContract, next: () => Promise<void>) {
+    const language = this.getUserLanguage(ctx)
+
+    /**
+     * Switch locale when we are able to detect the user language and it
+     * is supported by the application
+     */
+    if (language) {
+      ctx.i18n.switchLocale(language)
+    }
+
+    await next()
+  }
+}

config/i18n.ts

@@ -0,0 +1,104 @@
+/**
+ * Config source: https://git.io/Jw53K
+ *
+ * Feel free to let us know via PR, if you find something broken in this config
+ * file.
+ */
+
+import Application from '@ioc:Adonis/Core/Application'
+import { I18nConfig } from '@ioc:Adonis/Addons/I18n'
+
+const i18nConfig: I18nConfig = {
+  /*
+  |--------------------------------------------------------------------------
+  | Translations format
+  |--------------------------------------------------------------------------
+  |
+  | The format in which the translation are written. By default only the
+  | ICU message syntax is supported. However, you can register custom
+  | formatters too and please reference the documentation for that.
+  |
+  */
+  translationsFormat: 'icu',
+
+  /*
+  |--------------------------------------------------------------------------
+  | Default locale
+  |--------------------------------------------------------------------------
+  |
+  | The default locale represents the language for which all the translations
+  | are always available.
+  |
+  | Having a default locale allows you to incrementally add translations for
+  | other languages. If a specific language does not have a translation,
+  | then the default locale translation will be used.
+  |
+  | Also, we switch to default locale for HTTP requests where the user language
+  | is not supported by the your app
+  |
+  */
+  defaultLocale: 'en',
+
+  /*
+  |--------------------------------------------------------------------------
+  | Supported locales
+  |--------------------------------------------------------------------------
+  |
+  | Optionally define an array of locales that your application supports. If
+  | not defined, we will derive this value from the translations stored
+  | inside the `resources/lang` directory.
+  |
+  */
+  supportedLocales: [
+    'fr',
+    'en'
+  ],
+
+  /*
+  |--------------------------------------------------------------------------
+  | Fallback locales
+  |--------------------------------------------------------------------------
+  |
+  | Here you can configure per language fallbacks. For example, you can set
+  | "es" as the fallback locale for the Catalan language.
+  |
+  | If not configured, all languages will fallback to the defaultLocale
+  |
+  */
+  // fallbackLocales: {},
+
+  /*
+  |--------------------------------------------------------------------------
+  | Provide validator messages
+  |--------------------------------------------------------------------------
+  |
+  | Set the following option to "true" if you want to use "i18n" for defining
+  | the validation messages.
+  |
+  | The validation messages will be loaded from the "validator.shared" prefix.
+  |
+  */
+  provideValidatorMessages: true,
+
+  /*
+  |--------------------------------------------------------------------------
+  | Loaders
+  |--------------------------------------------------------------------------
+  |
+  | Loaders from which to load the translations. You can configure multiple
+  | loaders as well and AdonisJS will merge the translations from all the
+  | loaders to have a unified collection of messages.
+  |
+  | By default, only the "fs" loader is supported. However, you can add custom
+  | loaders too and please reference the documentation for that.
+  |
+  */
+  loaders: {
+    fs: {
+      enabled: true,
+      location: Application.resourcesPath('lang'),
+    },
+  },
+}
+
+export default i18nConfig

package.json

@@ -21,24 +21,25 @@
   "devDependencies": {
     "@adonisjs/assembler": "^5.3.2",
     "adonis-preset-ts": "^2.1.0",
-    "pino-pretty": "^5.0.2",
-    "typescript": "^4.3.4",
+    "pino-pretty": "^7.1.0",
+    "typescript": "^4.4.4",
     "youch": "^2.2.2",
     "youch-terminal": "^1.1.1"
   },
   "dependencies": {
-    "@adonisjs/auth": "^8.0.6",
-    "@adonisjs/core": "^5.1.8",
-    "@adonisjs/lucid": "^15.0.1",
-    "@adonisjs/redis": "^7.0.6",
-    "@adonisjs/repl": "^3.1.4",
-    "@adonisjs/session": "^6.0.6",
-    "luxon": "^1.27.0",
+    "@adonisjs/auth": "^8.0.10",
+    "@adonisjs/core": "^5.4.0",
+    "@adonisjs/i18n": "^1.5.2",
+    "@adonisjs/lucid": "^16.2.1",
+    "@adonisjs/redis": "^7.0.9",
+    "@adonisjs/repl": "^3.1.7",
+    "@adonisjs/session": "^6.1.2",
+    "luxon": "^2.0.2",
     "mysql": "^2.18.1",
-    "phc-argon2": "^1.1.1",
+    "phc-argon2": "^1.1.2",
     "proxy-addr": "^2.0.7",
     "reflect-metadata": "^0.1.13",
-    "source-map-support": "^0.5.19",
-    "tslib": "^2.3.0"
+    "source-map-support": "^0.5.20",
+    "tslib": "^2.3.1"
   }
 }

resources/lang/en/messages.json

@@ -0,0 +1,6 @@
+{
+  "no_exists": "The code '{code}' does not exist!",
+  "created": "The link '{link}' with target '{target}' was successfully created!",
+  "deleted": "The link '{link}' was successfully deleted!",
+  "logout": "You have been disconnected!"
+}

resources/lang/fr/messages.json

@@ -0,0 +1,6 @@
+{
+  "no_exists": "Le code '{code}' n'existe pas!",
+  "created": "Le lien '{link}' avec pour direction '{target}' a bien été créé!",
+  "deleted": "Le lien '{link}' a bien été supprimé!",
+  "logout": "Vous avez été déconnecté !"
+}

start/kernel.ts

@@ -22,7 +22,8 @@ import Server from '@ioc:Adonis/Core/Server'
 */
 Server.middleware.register([
   () => import('@ioc:Adonis/Core/BodyParser'),
-  () => import('App/Middleware/SilentAuth')
+  () => import('App/Middleware/SilentAuth'),
+  () => import('App/Middleware/DetectUserLocale')
 ])
 
 /*

start/routes.ts

@@ -23,7 +23,7 @@ Route.get('/source', async ({response}: HttpContextContract) => {
 Route.get('health', async ({response}: HttpContextContract) => {
   const report = await HealthCheck.getReport()
   const isLive = await HealthCheck.isLive()
-  const isReady = await HealthCheck.isReady()
+  const isReady = HealthCheck.isReady()
   return report.healthy ? response.ok({ isLive, isReady, report: report.report }) : response.badRequest({ isLive, isReady, report: report.report })
 })
 

tsconfig.json

@@ -31,7 +31,8 @@
       "@adonisjs/auth",
       "@adonisjs/redis",
       "@adonisjs/lucid",
-      "@adonisjs/session"
+      "@adonisjs/session",
+      "@adonisjs/i18n"
     ]
   }
 }