mirror of
https://github.com/openfoodfoundation/openfoodnetwork
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cc9e3fe69b
We rely now on the exhaustive list of states an order can be in after checkout. What made this all a bit more messy is that I made up the "checkout" order state, likely mixing it from the payment model states. This simplifies things quite a bit and gives meaningful names to things.
40 lines
1.1 KiB
Ruby
40 lines
1.1 KiB
Ruby
# frozen_string_literal: true
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# Fetches the customers of the specified enterprise including the aggregated balance across the
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# customer's orders. That is, we get the total balance for each customer with this enterprise.
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class CustomersWithBalance
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def initialize(enterprise)
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@enterprise = enterprise
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end
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def query
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Customer.of(enterprise).
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joins(left_join_complete_orders).
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group("customers.id").
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select("customers.*").
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select(outstanding_balance_sum)
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end
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private
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attr_reader :enterprise
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def outstanding_balance_sum
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"SUM(#{OutstandingBalance.new.statement}) AS balance_value"
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end
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# The resulting orders are in states that belong after the checkout. Only these can be considered
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# for a customer's balance.
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def left_join_complete_orders
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<<-SQL.strip_heredoc
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LEFT JOIN spree_orders ON spree_orders.customer_id = customers.id
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AND #{finalized_states.to_sql}
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SQL
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end
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def finalized_states
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states = Spree::Order::FINALIZED_STATES.map { |state| Arel::Nodes.build_quoted(state) }
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Arel::Nodes::In.new(Spree::Order.arel_table[:state], states)
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end
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end
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