Class: ActionDispatch::Routing::PolymorphicRoutes::HelperMethodBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/action_dispatch/routing/polymorphic_routes.rb

Overview

:nodoc:

Constant Summary collapse

CACHE = 
{ "path" => {}, "url" => {} }

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(key_strategy, prefix, suffix) ⇒ HelperMethodBuilder

Returns a new instance of HelperMethodBuilder.



238
239
240
241
242
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 238

def initialize(key_strategy, prefix, suffix)
  @key_strategy = key_strategy
  @prefix       = prefix
  @suffix       = suffix
end

Instance Attribute Details

#prefix ⇒ Object (readonly)

Returns the value of attribute prefix.



236
237
238
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 236

def prefix
  @prefix
end

#suffix ⇒ Object (readonly)

Returns the value of attribute suffix.



236
237
238
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 236

def suffix
  @suffix
end

Class Method Details

.build(action, type) ⇒ Object 



186
187
188
189
190
191
192
193
194
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 186

def self.build(action, type)
  prefix = action ? "#{action}_" : ""
  suffix = type
  if action.to_s == "new"
    HelperMethodBuilder.singular prefix, suffix
  else
    HelperMethodBuilder.plural prefix, suffix
  end
end

.get(action, type) ⇒ Object 



178
179
180
181
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 178

def self.get(action, type)
  type = type.to_s
  CACHE[type].fetch(action) { build action, type }
end

.path ⇒ Object 



184
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 184

def self.path; CACHE["path"][nil]; end

.plural(prefix, suffix) ⇒ Object 



200
201
202
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 200

def self.plural(prefix, suffix)
  new(->(name) { name.route_key }, prefix, suffix)
end

.polymorphic_method(recipient, record_or_hash_or_array, action, type, options) ⇒ Object 



204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 204

def self.polymorphic_method(recipient, record_or_hash_or_array, action, type, options)
  builder = get action, type

  case record_or_hash_or_array
  when Array
    record_or_hash_or_array = record_or_hash_or_array.compact
    if record_or_hash_or_array.empty?
      raise ArgumentError, "Nil location provided. Can't build URI."
    end
    if record_or_hash_or_array.first.is_a?(ActionDispatch::Routing::RoutesProxy)
      recipient = record_or_hash_or_array.shift
    end

    method, args = builder.handle_list record_or_hash_or_array
  when String, Symbol
    method, args = builder.handle_string record_or_hash_or_array
  when Class
    method, args = builder.handle_class record_or_hash_or_array

  when nil
    raise ArgumentError, "Nil location provided. Can't build URI."
  else
    method, args = builder.handle_model record_or_hash_or_array
  end

  if options.empty?
    recipient.send(method, *args)
  else
    recipient.send(method, *args, options)
  end
end

.singular(prefix, suffix) ⇒ Object 



196
197
198
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 196

def self.singular(prefix, suffix)
  new(->(name) { name.singular_route_key }, prefix, suffix)
end

.url ⇒ Object 



183
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 183

def self.url;  CACHE["url"][nil]; end

Instance Method Details

#handle_class(klass) ⇒ Object 



252
253
254
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 252

def handle_class(klass)
  [get_method_for_class(klass), []]
end

#handle_class_call(target, klass) ⇒ Object 



256
257
258
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 256

def handle_class_call(target, klass)
  target.send get_method_for_class klass
end

#handle_list(list) ⇒ Object 



283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 283

def handle_list(list)
  record_list = list.dup
  record      = record_list.pop

  args = []

  route = record_list.map { |parent|
    case parent
    when Symbol, String
      parent.to_s
    when Class
      args << parent
      parent.model_name.singular_route_key
    else
      args << parent.to_model
      parent.to_model.model_name.singular_route_key
    end
  }

  route <<
  case record
  when Symbol, String
    record.to_s
  when Class
    @key_strategy.call record.model_name
  else
    model = record.to_model
    if model.persisted?
      args << model
      model.model_name.singular_route_key
    else
      @key_strategy.call model.model_name
    end
  end

  route << suffix

  named_route = prefix + route.join("_")
  [named_route, args]
end

#handle_model(record) ⇒ Object 



260
261
262
263
264
265
266
267
268
269
270
271
272
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 260

def handle_model(record)
  args  = []

  model = record.to_model
  named_route = if model.persisted?
    args << model
    get_method_for_string model.model_name.singular_route_key
  else
    get_method_for_class model
  end

  [named_route, args]
end

#handle_model_call(target, record) ⇒ Object 



274
275
276
277
278
279
280
281
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 274

def handle_model_call(target, record)
  if mapping = polymorphic_mapping(target, record)
    mapping.call(target, [record], suffix == "path")
  else
    method, args = handle_model(record)
    target.send(method, *args)
  end
end

#handle_string(record) ⇒ Object 



244
245
246
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 244

def handle_string(record)
  [get_method_for_string(record), []]
end

#handle_string_call(target, str) ⇒ Object 



248
249
250
 
# File 'lib/action_dispatch/routing/polymorphic_routes.rb', line 248

def handle_string_call(target, str)
  target.send get_method_for_string str
end