class Validation::Rule::TagCount
Rule
for validating the number of tags in a string. Only the “#” characters will be counted. The string can be nil.
Attributes
params[R]
This rule must have a maximum
param. @return [Hash] params
Public Class Methods
new(params)
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Creates a new rule for a maximum tag count validation @param [Hash] params @option params [Integer] :maximum maximum allowed tag count
# File lib/diaspora_federation/validators/rules/tag_count.rb, line 16 def initialize(params) unless params.include?(:maximum) && params[:maximum].is_a?(Integer) raise ArgumentError, "A number has to be specified for :maximum" end @params = params end
Public Instance Methods
error_key()
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The error key for this rule @return [Symbol] error key
# File lib/diaspora_federation/validators/rules/tag_count.rb, line 26 def error_key :tag_count end
valid_value?(value)
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Determines if value doesn’t have more than maximum
tags
# File lib/diaspora_federation/validators/rules/tag_count.rb, line 31 def valid_value?(value) value.nil? || value.count("#") <= params[:maximum] end