Class: EacRubyUtils::Listable::List
- Inherits:
-
Object
- Object
- EacRubyUtils::Listable::List
show all
- Defined in:
- lib/eac_ruby_utils/listable/list.rb
Instance Attribute Summary collapse
Instance Method Summary
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Constructor Details
#initialize(lists, item, labels) ⇒ List
Returns a new instance of List.
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# File 'lib/eac_ruby_utils/listable/list.rb', line 8
def initialize(lists, item, labels)
@lists = lists
@item = item
@values = build_values(labels)
apply_constants
end
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Dynamic Method Handling
This class handles dynamic methods through the method_missing method
#method_missing(name, *args, &block) ⇒ Object
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# File 'lib/eac_ruby_utils/listable/list.rb', line 27
def method_missing(name, *args, &block)
list = find_list_by_method(name)
list || super
end
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Instance Attribute Details
Returns the value of attribute item.
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# File 'lib/eac_ruby_utils/listable/list.rb', line 6
def item
@item
end
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Instance Method Details
#each_value(&block) ⇒ Object
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# File 'lib/eac_ruby_utils/listable/list.rb', line 15
def each_value(&block)
values.each(&block)
end
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#hash_keys_validate!(hash, error_class = ::StandardError) ⇒ Object
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# File 'lib/eac_ruby_utils/listable/list.rb', line 36
def hash_keys_validate!(hash, error_class = ::StandardError)
hash.keys.each { |key| value_validate!(key, error_class) }
hash
end
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# File 'lib/eac_ruby_utils/listable/list.rb', line 41
def i18n_key
"eac_ruby_utils.listable.#{class_i18n_key}.#{item}"
end
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#instance_value(instance) ⇒ Object
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# File 'lib/eac_ruby_utils/listable/list.rb', line 45
def instance_value(instance)
v = instance.send(item)
return @values[v] if @values.key?(v)
raise "List value unkown: #{v} (Source: #{@lists.source}, Item: #{item})"
end
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# File 'lib/eac_ruby_utils/listable/list.rb', line 23
def options
@values.values.map { |v| [v.label, v.value] }
end
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#respond_to_missing?(name, include_all = false) ⇒ Boolean
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# File 'lib/eac_ruby_utils/listable/list.rb', line 32
def respond_to_missing?(name, include_all = false)
find_list_by_method(name) || super
end
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#value_valid?(value) ⇒ Boolean
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# File 'lib/eac_ruby_utils/listable/list.rb', line 52
def value_valid?(value)
values.include?(value)
end
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#value_validate!(value, error_class = ::StandardError) ⇒ Object
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# File 'lib/eac_ruby_utils/listable/list.rb', line 56
def value_validate!(value, error_class = ::StandardError)
return value if value_valid?(value)
raise(error_class, "Invalid value: \"#{value}\" (Valid: #{values_to_s})")
end
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# File 'lib/eac_ruby_utils/listable/list.rb', line 19
def values
@values.values.map(&:value)
end
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#values_to_s ⇒ Object
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# File 'lib/eac_ruby_utils/listable/list.rb', line 62
def values_to_s
values.map { |v| "\"#{v}\"" }.join(', ')
end
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