Class: Rails::Generators::GeneratedAttribute
- Inherits:
-
Object
- Object
- Rails::Generators::GeneratedAttribute
- Defined in:
- lib/rails/generators/generated_attribute.rb
Overview
:nodoc:
Constant Summary collapse
- INDEX_OPTIONS =
%w(index uniq)
- UNIQ_INDEX_OPTIONS =
%w(uniq)
Instance Attribute Summary collapse
-
#attr_options ⇒ Object
readonly
Returns the value of attribute attr_options.
- #index_name ⇒ Object
-
#name ⇒ Object
Returns the value of attribute name.
-
#type ⇒ Object
Returns the value of attribute type.
Class Method Summary collapse
Instance Method Summary collapse
- #column_name ⇒ Object
- #default ⇒ Object
- #field_type ⇒ Object
- #foreign_key? ⇒ Boolean
- #has_index? ⇒ Boolean
- #has_uniq_index? ⇒ Boolean
- #human_name ⇒ Object
-
#initialize(name, type = nil, index_type = false, attr_options = {}) ⇒ GeneratedAttribute
constructor
A new instance of GeneratedAttribute.
- #inject_index_options ⇒ Object
- #inject_options ⇒ Object
- #options_for_migration ⇒ Object
- #password_digest? ⇒ Boolean
- #plural_name ⇒ Object
- #polymorphic? ⇒ Boolean
- #reference? ⇒ Boolean
- #required? ⇒ Boolean
- #singular_name ⇒ Object
Constructor Details
#initialize(name, type = nil, index_type = false, attr_options = {}) ⇒ GeneratedAttribute
Returns a new instance of GeneratedAttribute.
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# File 'lib/rails/generators/generated_attribute.rb', line 58 def initialize(name, type=nil, index_type=false, ={}) @name = name @type = type || :string @has_index = INDEX_OPTIONS.include?(index_type) @has_uniq_index = UNIQ_INDEX_OPTIONS.include?(index_type) @attr_options = end |
Instance Attribute Details
#attr_options ⇒ Object (readonly)
Returns the value of attribute attr_options.
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# File 'lib/rails/generators/generated_attribute.rb', line 10 def @attr_options end |
#index_name ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 108 def index_name @index_name ||= if polymorphic? %w(id type).map { |t| "#{name}_#{t}" } else column_name end end |
#name ⇒ Object
Returns the value of attribute name.
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# File 'lib/rails/generators/generated_attribute.rb', line 9 def name @name end |
#type ⇒ Object
Returns the value of attribute type.
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# File 'lib/rails/generators/generated_attribute.rb', line 9 def type @type end |
Class Method Details
.parse(column_definition) ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 14 def parse(column_definition) name, type, has_index = column_definition.split(':') # if user provided "name:index" instead of "name:string:index" # type should be set blank so GeneratedAttribute's constructor # could set it to :string has_index, type = type, nil if INDEX_OPTIONS.include?(type) type, = *(type) type = type.to_sym if type if type && reference?(type) references_index = UNIQ_INDEX_OPTIONS.include?(has_index) ? { unique: true } : true [:index] = references_index end new(name, type, has_index, ) end |
.reference?(type) ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 33 def reference?(type) [:references, :belongs_to].include? type end |
Instance Method Details
#column_name ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 116 def column_name @column_name ||= reference? ? "#{name}_id" : name end |
#default ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 80 def default @default ||= case type when :integer then 1 when :float then 1.5 when :decimal then "9.99" when :datetime, :timestamp, :time then Time.now.to_s(:db) when :date then Date.today.to_s(:db) when :string then name == "type" ? "" : "MyString" when :text then "MyText" when :boolean then false when :references, :belongs_to then nil else "" end end |
#field_type ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 66 def field_type @field_type ||= case type when :integer then :number_field when :float, :decimal then :text_field when :time then :time_select when :datetime, :timestamp then :datetime_select when :date then :date_select when :text then :text_area when :boolean then :check_box else :text_field end end |
#foreign_key? ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 120 def foreign_key? !!(name =~ /_id$/) end |
#has_index? ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 136 def has_index? @has_index end |
#has_uniq_index? ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 140 def has_uniq_index? @has_uniq_index end |
#human_name ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 104 def human_name name.humanize end |
#inject_index_options ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 152 def has_uniq_index? ? ", unique: true" : "" end |
#inject_options ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 148 def "".tap { |s| .each { |k,v| s << ", #{k}: #{v.inspect}" } } end |
#options_for_migration ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 156 def @attr_options.dup.tap do || if required? .delete(:required) [:null] = false end if reference? && !polymorphic? [:foreign_key] = true end end end |
#password_digest? ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 144 def password_digest? name == 'password' && type == :digest end |
#plural_name ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 96 def plural_name name.sub(/_id$/, '').pluralize end |
#polymorphic? ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 128 def polymorphic? self.[:polymorphic] end |
#reference? ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 124 def reference? self.class.reference?(type) end |
#required? ⇒ Boolean
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# File 'lib/rails/generators/generated_attribute.rb', line 132 def required? self.[:required] end |
#singular_name ⇒ Object
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# File 'lib/rails/generators/generated_attribute.rb', line 100 def singular_name name.sub(/_id$/, '').singularize end |