module SimpleGroup::Group
Public Class Methods
included(base)
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# File lib/simple_group/group.rb, line 3 def self.included(base) base.class_eval do has_many :combinations, class_name: 'SimpleGroup::Combination', as: :group, dependent: :destroy, inverse_of: :group do def group_items includes(:group_item).map(&:group_item) end end end end
Public Instance Methods
add(model)
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# File lib/simple_group/group.rb, line 22 def add(model) raise SimpleGroup::GroupNotAllowError unless model.class.groupable? SimpleGroup::Combination.new(group: self, group_item: model).save end
count()
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# File lib/simple_group/group.rb, line 46 def count self.combinations.count end
exclude?(model)
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# File lib/simple_group/group.rb, line 18 def exclude?(model) !include?(model) end
for_type(klass)
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# File lib/simple_group/group.rb, line 42 def for_type(klass) self.combinations.for_type(klass) end
group_items()
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# File lib/simple_group/group.rb, line 6 def group_items includes(:group_item).map(&:group_item) end
include?(model)
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# File lib/simple_group/group.rb, line 13 def include?(model) raise SimpleGroup::GroupNotAllowError unless model.class.groupable? SimpleGroup::Combination.exists?(group: self, group_item: model) end
remove(model)
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# File lib/simple_group/group.rb, line 27 def remove(model) raise_error unless model.class.groupable? group = SimpleGroup::Combination.where( group_type: self.class.name, group_id: self, group_item_type: model.class.name, group_item_id: model ).first if group.present? group.destroy else false end end