1# frozen_string_literal: true
2
3module Gitlab
4  module I18n
5    extend self
6
7    AVAILABLE_LANGUAGES = {
8      'bg' => 'Bulgarian - български',
9      'cs_CZ' => 'Czech - čeština',
10      'da_DK' => 'Danish - dansk',
11      'de' => 'German - Deutsch',
12      'en' => 'English',
13      'eo' => 'Esperanto - esperanto',
14      'es' => 'Spanish - español',
15      'fil_PH' => 'Filipino',
16      'fr' => 'French - français',
17      'gl_ES' => 'Galician - galego',
18      'id_ID' => 'Indonesian - Bahasa Indonesia',
19      'it' => 'Italian - italiano',
20      'ja' => 'Japanese - 日本語',
21      'ko' => 'Korean - 한국어',
22      'nb_NO' => 'Norwegian (Bokmål) - norsk (bokmål)',
23      'nl_NL' => 'Dutch - Nederlands',
24      'pl_PL' => 'Polish - polski',
25      'pt_BR' => 'Portuguese (Brazil) - português (Brasil)',
26      'ro_RO' => 'Romanian - română',
27      'ru' => 'Russian - русский',
28      'tr_TR' => 'Turkish - Türkçe',
29      'uk' => 'Ukrainian - українська',
30      'zh_CN' => 'Chinese, Simplified - 简体中文',
31      'zh_HK' => 'Chinese, Traditional (Hong Kong) - 繁體中文 (香港)',
32      'zh_TW' => 'Chinese, Traditional (Taiwan) - 繁體中文 (台灣)'
33    }.freeze
34    private_constant :AVAILABLE_LANGUAGES
35
36    # Languages with less then MINIMUM_TRANSLATION_LEVEL% of available translations will not
37    # be available in the UI.
38    # https://gitlab.com/gitlab-org/gitlab/-/issues/221012
39    MINIMUM_TRANSLATION_LEVEL = 2
40
41    # Currently monthly updated manually by ~group::import PM.
42    # https://gitlab.com/gitlab-org/gitlab/-/issues/18923
43    TRANSLATION_LEVELS = {
44      'bg' => 0,
45      'cs_CZ' => 0,
46      'da_DK' => 51,
47      'de' => 15,
48      'en' => 100,
49      'eo' => 0,
50      'es' => 39,
51      'fil_PH' => 0,
52      'fr' => 12,
53      'gl_ES' => 0,
54      'id_ID' => 0,
55      'it' => 2,
56      'ja' => 35,
57      'ko' => 11,
58      'nb_NO' => 33,
59      'nl_NL' => 0,
60      'pl_PL' => 5,
61      'pt_BR' => 49,
62      'ro_RO' => 23,
63      'ru' => 25,
64      'tr_TR' => 15,
65      'uk' => 45,
66      'zh_CN' => 95,
67      'zh_HK' => 2,
68      'zh_TW' => 3
69    }.freeze
70    private_constant :TRANSLATION_LEVELS
71
72    def selectable_locales
73      AVAILABLE_LANGUAGES.reject do |code, _name|
74        percentage_translated_for(code) < MINIMUM_TRANSLATION_LEVEL
75      end
76    end
77
78    def percentage_translated_for(code)
79      TRANSLATION_LEVELS.fetch(code, 0)
80    end
81
82    def available_locales
83      AVAILABLE_LANGUAGES.keys
84    end
85
86    def locale
87      FastGettext.locale
88    end
89
90    def locale=(locale_string)
91      requested_locale = locale_string || ::I18n.default_locale
92      new_locale = FastGettext.set_locale(requested_locale)
93      ::I18n.locale = new_locale
94    end
95
96    def use_default_locale
97      FastGettext.set_locale(::I18n.default_locale)
98      ::I18n.locale = ::I18n.default_locale
99    end
100
101    def with_locale(locale_string)
102      original_locale = locale
103
104      self.locale = locale_string
105      yield
106    ensure
107      self.locale = original_locale
108    end
109
110    def with_user_locale(user, &block)
111      with_locale(user&.preferred_language, &block)
112    end
113
114    def with_default_locale(&block)
115      with_locale(::I18n.default_locale, &block)
116    end
117  end
118end
119