ikechukwukalu /
food-hut-adonisjs
| Total Complexity | 4 |
| Total Lines | 48 |
| Duplicated Lines | 0 % |
| Changes | 0 | ||
| 1 | import I18n from '@ioc:Adonis/Addons/I18n' |
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| 3 | |||
| 4 | /** |
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| 5 | * The middleware detects the user language using the "Accept-language" HTTP header |
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| 6 | * or the "lang" query string parameter. |
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| 7 | * |
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| 8 | * Feel free to change the middleware implementation to what suits your needs. Just |
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| 9 | * make sure |
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| 10 | * |
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| 11 | * - You always ensure the user selected language is supported by your app. |
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| 12 | * - Only call "switchLocale" when the detected language is valid string value and |
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| 13 | * not "null" or "undefined" |
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| 14 | */ |
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| 15 | export default class DetectUserLocale { |
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| 16 | /** |
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| 17 | * Detect user language using "Accept-language" header or |
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| 18 | * the "lang" query string parameter. |
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| 19 | * |
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| 20 | * The user language must be part of the "supportedLocales", otherwise |
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| 21 | * this method should return null. |
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| 22 | */ |
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| 23 | protected getUserLanguage(ctx: HttpContextContract) { |
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| 24 | const availableLocales = I18n.supportedLocales() |
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| 25 | return ctx.request.language(availableLocales) || ctx.request.input('lang') |
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| 26 | } |
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| 27 | |||
| 28 | /** |
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| 29 | * Handle method is called by AdonisJS automatically on every middleware |
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| 30 | * class. |
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| 31 | */ |
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| 32 | public async handle(ctx: HttpContextContract, next: () => Promise<void>) { |
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| 33 | const language = this.getUserLanguage(ctx) |
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| 34 | |||
| 35 | /** |
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| 36 | * Switch locale when we are able to detect the user language and it |
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| 37 | * is supported by the application |
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| 38 | */ |
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| 39 | if (language) { |
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| 40 | ctx.i18n.switchLocale(language) |
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| 41 | } |
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| 42 | |||
| 43 | /** |
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| 44 | * Share i18n with view |
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| 45 | */ |
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| 46 | if ('view' in ctx) { |
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| 47 | ctx.view.share({ i18n: ctx.i18n }) |
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| 48 | } |
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| 49 | |||
| 50 | await next() |
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| 51 | } |
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| 53 |
