Module: ActiveScaffold::Helpers::AssociationHelpers
- Included in:
- ViewHelpers
- Defined in:
- lib/active_scaffold/helpers/association_helpers.rb
Instance Method Summary collapse
- #association_klass_scoped(association, klass, record) ⇒ Object
- #association_options_count(association, conditions = nil) ⇒ Object
-
#association_options_find(association, conditions = nil, klass = nil, record = nil) ⇒ Object
Provides a way to honor the :conditions on an association while searching the association’s klass.
-
#cache_association_options(association, conditions, klass, cache = true) ⇒ Object
Cache the options for select.
- #column_for_association(association, record) ⇒ Object
-
#options_for_association_conditions(association, record = nil) ⇒ Object
A useful override for customizing the records present in an association dropdown.
- #options_for_association_count(association, record) ⇒ Object
- #record_select_params_for_add_existing(association, edit_associated_url_options, record) ⇒ Object
-
#sorted_association_options_find(association, conditions = nil, record = nil) ⇒ Object
Sorts the options for select.
Instance Method Details
#association_klass_scoped(association, klass, record) ⇒ Object
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 61 def association_klass_scoped(association, klass, record) if nested? && nested.through_association? && nested.child_association.try(:through_reflection) == association if nested.association.through_reflection.collection? nested_parent_record.send(nested.association.through_reflection.name) else klass.where(association.association_primary_key => nested_parent_record.send(nested.association.through_reflection.name).try(:id)) end else klass end end |
#association_options_count(association, conditions = nil) ⇒ Object
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 84 def (association, conditions = nil) association.klass.where(conditions).where(association.[:conditions]).count end |
#association_options_find(association, conditions = nil, klass = nil, record = nil) ⇒ Object
Provides a way to honor the :conditions on an association while searching the association’s klass
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 16 def (association, conditions = nil, klass = nil, record = nil) ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, call with record.', caller if record.nil? # TODO: Remove when relying on @record is removed record ||= @record # TODO: Remove when relying on @record is removed if klass.nil? && association.[:polymorphic] class_name = record.send(association.foreign_type) if class_name.present? klass = class_name.constantize else return [] end cache = !block_given? else cache = !block_given? && klass.nil? klass ||= association.klass end if conditions.nil? if method(:options_for_association_conditions).arity.abs == 2 conditions = (association, record) else ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include record in your options_for_association_conditions overrided method.', caller if record.nil? # TODO: Remove when relying on @record is removed conditions = (association) end end (association, conditions, klass, cache) do klass = association_klass_scoped(association, klass, record) relation = klass.where(conditions).where(association.[:conditions]) relation = relation.includes(association.[:include]) if association.[:include] column = column_for_association(association, record) if column && column.try(:sort) && column.sort[:sql] if column.includes include_assoc = column.includes.find { |assoc| assoc.is_a?(Hash) && assoc.include?(association.name) } relation = relation.includes(include_assoc[association.name]) if include_assoc end relation = relation.order(column.sort[:sql]) end relation = yield(relation) if block_given? relation.to_a end end |
#cache_association_options(association, conditions, klass, cache = true) ⇒ Object
Cache the options for select
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 5 def (association, conditions, klass, cache = true) if active_scaffold_config. && cache @_associations_cache ||= Hash.new { |h, k| h[k] = {} } key = [association.name, association.active_record.name, klass.name].join('/') @_associations_cache[key][conditions] ||= yield else yield end end |
#column_for_association(association, record) ⇒ Object
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 57 def column_for_association(association, record) active_scaffold_config_for(record.class).columns[association.name] rescue nil end |
#options_for_association_conditions(association, record = nil) ⇒ Object
A useful override for customizing the records present in an association dropdown. Should work in both the subform and form_ui=>:select modes. Check association.name to specialize the conditions per-column.
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 101 def (association, record = nil) return nil if association.[:through] case association.macro when :has_one, :has_many # Find only orphaned objects {association.foreign_key => nil} when :belongs_to, :has_and_belongs_to_many # Find all nil end end |
#options_for_association_count(association, record) ⇒ Object
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 88 def (association, record) if method(:options_for_association_conditions).arity.abs == 2 conditions = (association, record) else ActiveSupport::Deprecation.warn 'Relying on @record is deprecated, include record in your options_for_association_conditions overrided method.', caller if record.nil? # TODO: Remove when relying on @record is removed conditions = (association) end (association, conditions) end |
#record_select_params_for_add_existing(association, edit_associated_url_options, record) ⇒ Object
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 113 def record_select_params_for_add_existing(association, , record) {:onselect => "ActiveScaffold.record_select_onselect(#{url_for().to_json}, #{active_scaffold_id.to_json}, id);"} end |
#sorted_association_options_find(association, conditions = nil, record = nil) ⇒ Object
Sorts the options for select
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# File 'lib/active_scaffold/helpers/association_helpers.rb', line 74 def (association, conditions = nil, record = nil) = (association, conditions, nil, record) column = column_for_association(association, record) unless column && column.try(:sort) && column.sort[:sql] method = column.[:label_method] if column = .sort_by(&(method || :to_label).to_sym) end end |