30 lines
932 B
Ruby
30 lines
932 B
Ruby
# encoding: utf-8
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class Workgroup < Group
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include CustomFields
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has_many :tasks
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# returns all non-finished tasks
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has_many :open_tasks, -> { where(:done => false).order('due_date', 'name') }, :class_name => 'Task'
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validates_uniqueness_of :name
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validate :last_admin_on_earth, :on => :update
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before_destroy :check_last_admin_group
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protected
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# Check before destroy a group, if this is the last group with admin role
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def check_last_admin_group
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if role_admin && Workgroup.where(role_admin: true).size == 1
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raise I18n.t('workgroups.error_last_admin_group')
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end
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end
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# add validation check on update
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# Return an error if this is the last group with admin role and role_admin should set to false
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def last_admin_on_earth
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if !role_admin && !Workgroup.where(role_admin: true).where.not(id: id).exists?
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errors.add(:role_admin, I18n.t('workgroups.error_last_admin_role'))
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end
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end
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end
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