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Enable .with_deleted to accept a block #409

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Enable .with_deleted to accept a block #409

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11 changes: 7 additions & 4 deletions lib/paranoia.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -21,10 +21,13 @@ module Query
def paranoid? ; true ; end

def with_deleted
if ActiveRecord::VERSION::STRING >= "4.1"
return unscope where: paranoia_column
if block_given?
unscoped { yield }
elsif ActiveRecord::VERSION::STRING >= "4.1"
unscope where: paranoia_column
else
all.tap { |x| x.default_scoped = false }
end
all.tap { |x| x.default_scoped = false }
end

def only_deleted
Expand Down Expand Up @@ -313,7 +316,7 @@ def build_relation(klass, *args)
class UniquenessValidator < ActiveModel::EachValidator
prepend UniquenessParanoiaValidator
end

class AssociationNotSoftDestroyedValidator < ActiveModel::EachValidator
def validate_each(record, attribute, value)
# if association is soft destroyed, add an error
Expand Down
10 changes: 6 additions & 4 deletions test/paranoia_test.rb
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Expand Up @@ -42,7 +42,7 @@ def setup!
'active_column_models' => 'deleted_at DATETIME, active BOOLEAN',
'active_column_model_with_uniqueness_validations' => 'name VARCHAR(32), deleted_at DATETIME, active BOOLEAN',
'paranoid_model_with_belongs_to_active_column_model_with_has_many_relationships' => 'name VARCHAR(32), deleted_at DATETIME, active BOOLEAN, active_column_model_with_has_many_relationship_id INTEGER',
'active_column_model_with_has_many_relationships' => 'name VARCHAR(32), deleted_at DATETIME, active BOOLEAN',
'active_column_model_with_has_many_relationships' => 'name VARCHAR(32), deleted_at DATETIME, active BOOLEAN',
'without_default_scope_models' => 'deleted_at DATETIME'
}.each do |table_name, columns_as_sql_string|
ActiveRecord::Base.connection.execute "CREATE TABLE #{table_name} (id INTEGER NOT NULL PRIMARY KEY, #{columns_as_sql_string})"
Expand Down Expand Up @@ -185,24 +185,26 @@ def test_scoping_behavior_for_paranoid_models
p2 = ParanoidModel.create(:parent_model => parent2)
p1.destroy
p2.destroy

assert_equal 0, parent1.paranoid_models.count
assert_equal 1, parent1.paranoid_models.only_deleted.count

assert_equal 2, ParanoidModel.only_deleted.joins(:parent_model).count
assert_equal 2, ParanoidModel.only_deleted.joins(:parent_model).count
assert_equal 1, parent1.paranoid_models.deleted.count
assert_equal 0, parent1.paranoid_models.without_deleted.count
p3 = ParanoidModel.create(:parent_model => parent1)
assert_equal 2, parent1.paranoid_models.with_deleted.count
assert_equal 2, ParanoidModel.with_deleted { parent1.paranoid_models.count }
assert_equal 1, parent1.paranoid_models.without_deleted.count
assert_equal [p1,p3], parent1.paranoid_models.with_deleted
assert_equal [p1,p3], ParanoidModel.with_deleted { parent1.paranoid_models.to_a }
end

def test_only_deleted_with_joins
c1 = ActiveColumnModelWithHasManyRelationship.create(name: 'Jacky')
c2 = ActiveColumnModelWithHasManyRelationship.create(name: 'Thomas')
p1 = ParanoidModelWithBelongsToActiveColumnModelWithHasManyRelationship.create(name: 'Hello', active_column_model_with_has_many_relationship: c1)

c1.destroy
assert_equal 1, ActiveColumnModelWithHasManyRelationship.count
assert_equal 1, ActiveColumnModelWithHasManyRelationship.only_deleted.count
Expand Down