Class: Releaf::Builders

Inherits:
Object
  • Object
show all
Defined in:
app/builders/releaf/builders.rb

Defined Under Namespace

Modules: Base, Collection, Page, Resource, ResourceDialog, ResourceView, Template, Toolbox, Utilities, View Classes: AssociationReflector, ConfirmDestroyDialogBuilder, ConfirmDialogBuilder, EditBuilder, FormBuilder, IndexBuilder, PaginationBuilder, RefusedDestroyDialogBuilder, ShowBuilder, TableBuilder, ToolboxBuilder

Class Method Summary collapse

Class Method Details

.builder_class(scopes, type) ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'app/builders/releaf/builders.rb', line 2

def self.builder_class(scopes, type)
  (scopes + inherited_builder_scopes).each do |scope|
    builder_class = builder_class_at_scope(scope, type)
    return builder_class if builder_class
  end

  raise ArgumentError, "unexisting builder (type: #{type}; scopes: #{scopes.join(", ")})"
end

.builder_class_at_scope(scope, type) ⇒ Object 



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# File 'app/builders/releaf/builders.rb', line 11

def self.builder_class_at_scope(scope, type)
  builder_class_name = "#{scope}::#{type.to_s.camelize}Builder"

  if constant_defined_at_scope?(scope, Object) && constant_defined_at_scope?(builder_class_name, scope.constantize)
    builder_class_name.constantize
  end
end

.constant_defined_at_scope?(mapping, at) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/builders/releaf/builders.rb', line 19

def self.constant_defined_at_scope?(mapping, at)
  constant_defined = false

  begin
    constant_defined = at.const_get(mapping).present? && mapping.constantize == at.const_get(mapping)
  rescue NameError => error
    raise unless constant_name_error?(error.message, mapping)
  end

  constant_defined
end

.constant_name_error?(error_message, mapping) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'app/builders/releaf/builders.rb', line 31

def self.constant_name_error?(error_message, mapping)
  # rails5 have anonymous classes while in production env for error messags
  # ex. `Caused by NameError: uninitialized constant #<Class:0x00007fc1b79e8448>::AnotherFormBuilder` instead of
  # `Caused by NameError: uninitialized constant Releaf::Builders::AnotherFormBuilder`
  (error_message =~ /#{mapping.split("::").last}$/).present?
end

.inherited_builder_scopes ⇒ Object 



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# File 'app/builders/releaf/builders.rb', line 38

def self.inherited_builder_scopes
  (ancestors.grep(Class) - [Object, BasicObject]).collect{|c| c.name }
end