| ... | @@ -15,6 +15,19 @@ class ApplicationRecord < ActiveRecord::Base |
... | @@ -15,6 +15,19 @@ class ApplicationRecord < ActiveRecord::Base |
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where(nil).pluck(self.primary_key)
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where(nil).pluck(self.primary_key)
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end
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end
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def self.safe_ensure_unique(retries: 0)
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transaction(requires_new: true) do
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yield
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end
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rescue ActiveRecord::RecordNotUnique
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if retries > 0
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retries -= 1
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retry
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end
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false
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end
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def self.safe_find_or_create_by!(*args)
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def self.safe_find_or_create_by!(*args)
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safe_find_or_create_by(*args).tap do |record|
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safe_find_or_create_by(*args).tap do |record|
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record.validate! unless record.persisted?
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record.validate! unless record.persisted?
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| ... | @@ -22,10 +35,8 @@ class ApplicationRecord < ActiveRecord::Base |
... | @@ -22,10 +35,8 @@ class ApplicationRecord < ActiveRecord::Base |
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end
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end
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def self.safe_find_or_create_by(*args)
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def self.safe_find_or_create_by(*args)
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transaction(requires_new: true) do
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safe_ensure_unique(retries: 1) do
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find_or_create_by(*args)
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find_or_create_by(*args)
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end
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end
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rescue ActiveRecord::RecordNotUnique
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retry
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end
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end
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end |
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end |