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25 lines
798 B
Ruby
25 lines
798 B
Ruby
class SampleMyModule < ActiveRecord::Base
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after_create :increment_nr_of_module_samples
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after_destroy :decrement_nr_of_module_samples
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validates :sample, :my_module, presence: true
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# One sample can only be assigned once to a specific module
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validates_uniqueness_of :sample_id, :scope => :my_module_id
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belongs_to :assigned_by, foreign_key: 'assigned_by_id', class_name: 'User'
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belongs_to :sample,
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inverse_of: :sample_my_modules
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belongs_to :my_module,
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inverse_of: :sample_my_modules
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def increment_nr_of_module_samples
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my_module.increment!(:nr_of_assigned_samples)
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sample.increment!(:nr_of_modules_assigned_to)
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end
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def decrement_nr_of_module_samples
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my_module.decrement!(:nr_of_assigned_samples)
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sample.decrement!(:nr_of_modules_assigned_to)
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end
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end
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