63 lines
1.5 KiB
Ruby
63 lines
1.5 KiB
Ruby
module FarmEvents
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module FragmentHelpers
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BAD_MODULE = "The '%s' module cannot use FragmentHelpers"
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TRANSACTION_REQUIRED = "A database transaction is required to do this."
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def self.included(base); base.extend(ClassMethods); end
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module ClassMethods; end
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def has_body?
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!!body
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end
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def create_fragment_for(owner)
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kind = owner.class.name.tableize.singularize
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params = { device: device,
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kind: "internal_#{kind}",
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args: {},
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body: body }
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flat_ast = Fragments::Preprocessor.run!(**params)
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Fragments::Create.run!(device: device,
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flat_ast: flat_ast,
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owner: owner)
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end
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def wrap_fragment_with(owner)
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return owner unless has_body?
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if ActiveRecord::Base.connection.open_transactions.zero?
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raise TRANSACTION_REQUIRED
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end
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create_fragment_for(owner)
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owner.manually_sync!
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end
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def handle_body_field
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case body
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when nil then return
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when [] then destroy_fragment
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else
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replace_fragment
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end
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end
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def destroy_fragment
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owner.fragment.destroy! if owner.fragment
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end
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def replace_fragment
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Fragment.transaction do
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destroy_fragment
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create_fragment_for(owner)
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end
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end
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def owner
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options = {
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FarmEvents => ->() { farm_event },
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Regimens => ->() { regimen },
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}
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options.fetch(self.class.module_parent).call()
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end
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end
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end
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