Class: Gris::Generators::GeneratedAttribute

Inherits:
Object
  • Object
show all
Defined in:
lib/gris/generators/migration_generator.rb

Overview

directly ported from github.com/rails/rails/blob/76883f92374c6395f13c16628e1d87d40b6d2399/railties/lib/rails/generators/generated_attribute.rb

Constant Summary collapse

INDEX_OPTIONS =

:nodoc:

%w(index uniq)
UNIQ_INDEX_OPTIONS = 
%w(uniq)

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, type = nil, index_type = false, attr_options = {}) ⇒ GeneratedAttribute

Returns a new instance of GeneratedAttribute.



133
134
135
136
137
138
139
 
# File 'lib/gris/generators/migration_generator.rb', line 133

def initialize(name, type = nil, index_type = false, attr_options = {})
  @name           = name
  @type           = type || :string
  @has_index      = INDEX_OPTIONS.include?(index_type)
  @has_uniq_index = UNIQ_INDEX_OPTIONS.include?(index_type)
  @attr_options   = attr_options
end

Instance Attribute Details

#attr_options ⇒ Object (readonly)

Returns the value of attribute attr_options.



88
89
90
 
# File 'lib/gris/generators/migration_generator.rb', line 88

def attr_options
  @attr_options
end

#index_name ⇒ Object 



183
184
185
186
187
188
189
 
# File 'lib/gris/generators/migration_generator.rb', line 183

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.



87
88
89
 
# File 'lib/gris/generators/migration_generator.rb', line 87

def name
  @name
end

#type ⇒ Object

Returns the value of attribute type.



87
88
89
 
# File 'lib/gris/generators/migration_generator.rb', line 87

def type
  @type
end

Class Method Details

.parse(column_definition) ⇒ Object 



92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
 
# File 'lib/gris/generators/migration_generator.rb', line 92

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, attr_options = *parse_type_and_options(type)
  type = type.to_sym if type

  if type && reference?(type)
    references_index = UNIQ_INDEX_OPTIONS.include?(has_index) ? { unique: true } : true
    attr_options[:index] = references_index
  end

  new(name, type, has_index, attr_options)
end

.reference?(type) ⇒ Boolean

Returns:

  • (Boolean) 


111
112
113
 
# File 'lib/gris/generators/migration_generator.rb', line 111

def reference?(type)
  [:references, :belongs_to].include? type
end

Instance Method Details

#column_name ⇒ Object 



191
192
193
 
# File 'lib/gris/generators/migration_generator.rb', line 191

def column_name
  @column_name ||= reference? ? "#{name}_id" : name
end

#default ⇒ Object 



155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
 
# File 'lib/gris/generators/migration_generator.rb', line 155

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 



141
142
143
144
145
146
147
148
149
150
151
152
153
 
# File 'lib/gris/generators/migration_generator.rb', line 141

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

Returns:

  • (Boolean) 


195
196
197
 
# File 'lib/gris/generators/migration_generator.rb', line 195

def foreign_key?
  !!(name =~ /_id$/)
end

#has_index? ⇒ Boolean

Returns:

  • (Boolean) 


207
208
209
 
# File 'lib/gris/generators/migration_generator.rb', line 207

def has_index?
  @has_index
end

#has_uniq_index? ⇒ Boolean

Returns:

  • (Boolean) 


211
212
213
 
# File 'lib/gris/generators/migration_generator.rb', line 211

def has_uniq_index?
  @has_uniq_index
end

#human_name ⇒ Object 



179
180
181
 
# File 'lib/gris/generators/migration_generator.rb', line 179

def human_name
  name.humanize
end

#inject_index_options ⇒ Object 



223
224
225
 
# File 'lib/gris/generators/migration_generator.rb', line 223

def inject_index_options
  has_uniq_index? ? ', unique: true' : ''
end

#inject_options ⇒ Object 



219
220
221
 
# File 'lib/gris/generators/migration_generator.rb', line 219

def inject_options
  ''.tap { |s| @attr_options.each { |k, v| s << ", #{k}: #{v.inspect}" } }
end

#password_digest? ⇒ Boolean

Returns:

  • (Boolean) 


215
216
217
 
# File 'lib/gris/generators/migration_generator.rb', line 215

def password_digest?
  name == 'password' && type == :digest
end

#plural_name ⇒ Object 



171
172
173
 
# File 'lib/gris/generators/migration_generator.rb', line 171

def plural_name
  name.sub(/_id$/, '').pluralize
end

#polymorphic? ⇒ Boolean

Returns:

  • (Boolean) 


203
204
205
 
# File 'lib/gris/generators/migration_generator.rb', line 203

def polymorphic?
  attr_options.key?(:polymorphic)
end

#reference? ⇒ Boolean

Returns:

  • (Boolean) 


199
200
201
 
# File 'lib/gris/generators/migration_generator.rb', line 199

def reference?
  self.class.reference?(type)
end

#singular_name ⇒ Object 



175
176
177
 
# File 'lib/gris/generators/migration_generator.rb', line 175

def singular_name
  name.sub(/_id$/, '').singularize
end