demarches-normaliennes/app/models/champs/datetime_champ.rb

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2018-02-13 18:18:20 +01:00
class Champs::DatetimeChamp < Champ
before_validation :convert_to_iso8601, unless: -> { validation_context == :prefill }
validate :iso_8601
def search_terms
# Text search is pretty useless for datetimes so were not including these champs
end
def to_s
value.present? ? I18n.l(Time.zone.parse(value)) : ""
end
def for_tag
value.present? ? I18n.l(Time.zone.parse(value)) : ""
end
private
def convert_to_iso8601
if (value =~ /=>/).present?
self.value =
begin
hash_date = YAML.safe_load(value.gsub('=>', ': '))
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year, month, day, hour, minute = hash_date.values_at(1, 2, 3, 4, 5)
Time.zone.local(year, month, day, hour, minute).iso8601
rescue
nil
end
elsif /^\d{2}\/\d{2}\/\d{4}\s\d{2}:\d{2}$/.match?(value) # old browsers can send with dd/mm/yyyy hh:mm format
self.value = Time.zone.strptime(value, "%d/%m/%Y %H:%M").iso8601
elsif /^\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}$/.match?(value)
self.value = Time.zone.strptime(value, "%Y-%m-%d %H:%M").iso8601
elsif valid_iso8601? # a correct iso8601 datetime
self.value = Time.zone.strptime(value, "%Y-%m-%dT%H:%M").iso8601
else
self.value = nil
end
end
def iso_8601
return if valid_iso8601? || value.blank?
# i18n-tasks-use t('errors.messages.not_a_datetime')
errors.add :datetime, errors.generate_message(:value, :not_a_datetime)
end
def valid_iso8601?
/^\d{4}-\d{2}-\d{2}T\d{2}:\d{2}(:\d{2}[\+\-]\d{2}:\d{2})?$/.match?(value)
end
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end