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Fix language filter codes (#4841)

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* Fix language filter codes

CLD3 returns BCP-47 language identifier, filter settings expect
identifiers in the ISO 639-1 format. Convert between formats,
and exclude duplicate languages from filter choices (zh-CN->zh)

* Fix zh name
This commit is contained in:
Eugen Rochko 2017-09-08 12:32:22 +02:00 • committed by GitHub
parent 95f018a3d4
commit 1caf11ddcc
6 changed files with 21 additions and 4 deletions
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11
app/lib/language_detector.rb
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@ -20,7 +20,16 @@ class LanguageDetector
private
def detected_language_code
result.language.to_sym if detected_language_reliable?
iso6391(result.language).to_sym if detected_language_reliable?
end
def iso6391(bcp47)
iso639 = bcp47.split('-').first
# CLD3 returns grandfathered language code for Hebrew
return 'he' if iso639 == 'iw'
ISO_639.find(iso639).alpha2
end
def result