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discourse-custom-wizard-unl.../lib/custom_wizard/mapper.rb

258 Zeilen
5,6 KiB
Ruby

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class CustomWizard::Mapper
attr_accessor :inputs, :data, :user
USER_FIELDS = [
'name',
'username',
'email',
'date_of_birth',
'title',
'locale',
'trust_level',
'email_level',
'email_messages_level',
'email_digests'
]
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PROFILE_FIELDS = ['location', 'website', 'bio_raw']
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def self.user_fields
USER_FIELDS + PROFILE_FIELDS
end
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OPERATORS = {
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equal: '==',
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greater: '>',
less: '<',
greater_or_equal: '>=',
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less_or_equal: '<=',
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regex: '=~',
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is: {
present: "present?",
true: "==",
false: "=="
}
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}
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def initialize(params)
@inputs = params[:inputs] || {}
@data = params[:data] || {}
@user = params[:user]
@opts = params[:opts] || {}
end
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def perform
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multiple = @opts[:multiple]
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perform_result = multiple ? [] : nil
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inputs.each do |input|
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input_type = input['type']
pairs = input['pairs']
if (input_type === 'conditional' && validate_pairs(pairs)) || input_type === 'assignment'
output = input['output']
output_type = input['output_type']
result = build_result(map_field(output, output_type), input_type)
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if multiple
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perform_result.push(result)
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else
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perform_result = result
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break
end
end
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if input_type === 'validation'
result = build_result(validate_pairs(pairs), input_type)
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if multiple
perform_result.push(result)
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else
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perform_result = result
break
end
end
if input_type === 'association'
result = build_result(map_pairs(pairs), input_type)
if multiple
perform_result.push(result)
else
perform_result = result
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break
end
end
end
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perform_result
end
def build_result(result, type)
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if @opts[:with_type]
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{
type: type,
result: result
}
else
result
end
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end
def validate_pairs(pairs)
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pairs.all? do |pair|
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connector = pair['connector']
operator = map_operator(connector)
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key = map_field(pair['key'], pair['key_type'])
value = cast_value(map_field(pair['value'], pair['value_type']), key, connector)
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begin
validation_result(key, value, operator)
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rescue NoMethodError
#
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end
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end
end
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def cast_value(value, key, connector)
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if connector == 'regex'
Regexp.new(value)
else
if key.is_a?(String)
value.to_s
elsif key.is_a?(Integer)
value.to_i
else
value
end
end
end
def validation_result(key, value, operator)
result = nil
if operator.is_a?(Hash) && (operator = operator[value.to_sym]).present?
if value == "present"
result = key.public_send(operator)
elsif ["true", "false"].include?(value)
result = key.public_send(operator, ActiveRecord::Type::Boolean.new.cast(value))
end
else
result = key.public_send(operator, value)
end
if operator == '=~'
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result == 0 ? true : false
else
result
end
end
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def map_pairs(pairs)
result = []
pairs.each do |pair|
key = map_field(pair['key'], pair['key_type'])
value = map_field(pair['value'], pair['value_type'])
if key && value
result.push(
key: key,
value: value
)
end
end
result
end
def map_operator(connector)
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OPERATORS[connector.to_sym] || '=='
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end
def map_field(value, type)
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method = "map_#{type}"
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if self.respond_to?(method)
self.send(method, value)
else
value
end
end
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def map_text(value)
interpolate(value)
end
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def map_wizard_field(value)
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data && !data.key?("submitted_at") && data[value]
end
def map_wizard_action(value)
data && !data.key?("submitted_at") && data[value]
end
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def map_user_field(value)
if value.include?(User::USER_FIELD_PREFIX)
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UserCustomField.where(user_id: user.id, name: value).pluck(:value).first
elsif PROFILE_FIELDS.include?(value)
UserProfile.find_by(user_id: user.id).send(value)
elsif USER_FIELDS.include?(value)
User.find(user.id).send(value)
end
end
def map_user_field_options(value)
if value.include?(User::USER_FIELD_PREFIX)
if field = UserField.find_by(id: value.split('_').last)
field.user_field_options.map(&:value)
end
end
end
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def interpolate(string, opts={ user: true, wizard: true, value: true })
return string if string.blank?
if opts[:user]
string.gsub!(/u\{(.*?)\}/) do |match|
result = ''
result = user.send($1) if USER_FIELDS.include?($1)
result = user.user_profile.send($1) if PROFILE_FIELDS.include?($1)
result
end
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end
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if opts[:wizard]
string.gsub!(/w\{(.*?)\}/) do |match|
value = recurse(data, [*$1.split('.')])
value.present? ? value : ''
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end
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end
if opts[:value]
string.gsub!(/v\{(.*?)\}/) do |match|
attrs = $1.split(':')
key = attrs.first
format = attrs.last if attrs.length > 1
result = ''
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if key == 'time'
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time_format = format.present? ? format : "%B %-d, %Y"
result = Time.now.strftime(time_format)
end
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result
end
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end
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string
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end
def recurse(data, keys)
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return nil if data.nil?
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k = keys.shift
result = data[k]
keys.empty? ? result : self.recurse(result, keys)
end
end